CN111757449A - Communication method and device - Google Patents

Communication method and device Download PDF

Info

Publication number
CN111757449A
CN111757449A CN201910244329.5A CN201910244329A CN111757449A CN 111757449 A CN111757449 A CN 111757449A CN 201910244329 A CN201910244329 A CN 201910244329A CN 111757449 A CN111757449 A CN 111757449A
Authority
CN
China
Prior art keywords
power
resource
uplink
sidelink
difference threshold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910244329.5A
Other languages
Chinese (zh)
Other versions
CN111757449B (en
Inventor
王婷
唐浩
唐臻飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201910244329.5A priority Critical patent/CN111757449B/en
Priority to PCT/CN2020/077312 priority patent/WO2020192360A1/en
Publication of CN111757449A publication Critical patent/CN111757449A/en
Application granted granted Critical
Publication of CN111757449B publication Critical patent/CN111757449B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/36TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/365Power headroom reporting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/36TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/54Signalisation aspects of the TPC commands, e.g. frame structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application provides a communication method and device. The method comprises the following steps: the method comprises the steps of obtaining a power difference threshold, determining uplink power and side link power according to the power difference threshold, sending uplink data according to the uplink power, and sending side link data according to the side link power. By the method and the device, the concurrence of the uplink data and the side-link data can be enabled when the transmission link is shared, so that the transmission efficiency is improved.

Description

Communication method and device
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for communication.
Background
In a wireless communication network, a terminal may transmit uplink data to a network device, and the terminal may also transmit sidelink data to another terminal. For a terminal, if the uplink data and the uplink data of the transmitting side are transmitted by sharing the transmission link (for example, sharing the radio frequency unit), due to the index constraint of the shared transmission link, the terminal cannot perform the concurrence of the uplink data and the uplink data in a certain data transmission process. Therefore, how to enable concurrency of uplink data and sidelink data when sharing a transmission link, and further improve transmission efficiency becomes a problem to be solved urgently.
Disclosure of Invention
The embodiment of the application provides a method and a device for receiving and transmitting data.
In a first aspect, an embodiment of the present application provides a communication method, which may be executed by a terminal, and includes: the method comprises the steps of obtaining a power difference threshold, determining uplink power and side link power according to the power difference threshold, sending uplink data according to the uplink power, and sending side link data according to the side link power. Optionally, the difference between the uplink power and the side uplink power is less than or equal to the power difference threshold.
In the method provided by the embodiment of the application, the terminal can determine the uplink power and the sidelink power according to the power difference threshold, so that the difference value between the uplink power and the sidelink power is smaller than the power difference threshold, thereby overcoming the index constraint when the uplink and the sidelink share the transmission link, realizing the concurrence of the uplink data and the sidelink data, and further improving the transmission efficiency.
With reference to the first aspect, in certain embodiments of the first aspect, the power difference threshold is obtained according to a resource interval, where the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data, and the power difference threshold has a corresponding relationship with a resource interval range in which the resource interval is located. Optionally, the power difference threshold has a corresponding relationship with a resource interval range where the resource interval is located and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold is obtained according to the resource interval and the transmission subcarrier interval.
With reference to the first aspect, in certain embodiments of the first aspect, the power difference threshold is obtained according to a resource spacing and a reference resource spacing, where the resource spacing is a spacing between resources of the uplink data and resources of the sidelink data, and the power difference threshold has a corresponding relationship with the reference resource spacing. Optionally, the power difference threshold has a corresponding relationship with the reference resource interval and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold is obtained according to the resource interval, the reference resource interval, and the transmission subcarrier interval.
With reference to the first aspect, in certain embodiments of the first aspect, the power difference threshold is obtained according to a resource spacing, a reference resource spacing range, a transmission subcarrier spacing and a reference subcarrier spacing, where the resource spacing is a spacing between a resource of the uplink data and a resource of the sidelink data, the transmission subcarrier spacing is a subcarrier spacing corresponding to the uplink data and the sidelink data, and the power difference threshold has a corresponding relationship with the reference resource spacing range.
With reference to the first aspect, in certain embodiments of the first aspect, the method further comprises: and reporting the power difference capability and/or the resource spacing capability to the network equipment. The power difference capability includes one or more of: a maximum power difference supported by the uplink and the sidelink, a minimum power difference supported by the uplink and the sidelink, or a range of power differences supported by the uplink and the sidelink. The resource spacing capability includes one or more of: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
With reference to the first aspect, in certain embodiments of the first aspect, the method further comprises: and determining the power margin according to the power difference threshold, and reporting the power margin to network equipment. Optionally, the power headroom comprises an uplink power headroom and/or a sidelink power headroom.
In a second aspect, an embodiment of the present application provides a communication method, which may be performed by a network device, including: and sending configuration information to the terminal, wherein the configuration information is used for configuring the power difference threshold. And receiving uplink data or side-link data from the terminal, wherein the difference value of the uplink power of the uplink data and the side-link power of the side-link data is less than or equal to the power difference threshold.
In the method provided by the embodiment of the application, the terminal can determine the uplink power and the sidelink power according to the power difference threshold, and the difference value between the uplink power and the sidelink power is smaller than the power difference threshold, so that index constraint is overcome when the uplink and the sidelink share the transmission link, concurrence of uplink data and sidelink data is realized, and further, the transmission efficiency is improved.
With reference to the second aspect, in certain embodiments of the second aspect, the configuration information is configured to configure a correspondence between the power difference threshold and a resource interval range in which a resource interval is located, where the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data. Optionally, the configuration information is configured to configure a corresponding relationship between the power difference threshold and a resource interval range where the resource interval is located and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data.
With reference to the second aspect, in certain embodiments of the second aspect, the configuration information is used to configure a correspondence relationship between the power difference threshold and a reference resource interval. Optionally, the configuration information is configured to configure a corresponding relationship between the power difference threshold and the reference resource interval and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data.
With reference to the second aspect, in certain embodiments of the second aspect, the configuration information is used to configure a correspondence relationship between the power difference threshold and a reference resource spacing range.
With reference to the second aspect, in certain embodiments of the second aspect, the method further comprises: receiving power difference capabilities and/or resource spacing capabilities from the terminal. The power difference capability includes one or more of: a maximum power difference supported by the uplink and the sidelink, a minimum power difference supported by the uplink and the sidelink, or a range of power differences supported by the uplink and the sidelink. The resource spacing capability includes one or more of: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
With reference to the second aspect, in certain embodiments of the second aspect, the method further comprises: receiving a power headroom from the terminal. Optionally, the power headroom comprises an uplink power headroom and/or a sidelink power headroom.
In a third aspect, an embodiment of the present application provides an apparatus, which may implement the corresponding functions of one or more of the foregoing first aspect or any one of the foregoing possible implementations of the first aspect. The apparatus comprises corresponding means or components for performing the above method. The means/modules comprised by the apparatus may be implemented by software and/or hardware means. The apparatus may be, for example, a terminal, or a network device (e.g., a base station), or a chip, a system-on-chip, or a processor that can support the terminal or the network device to implement the above functions.
In a fourth aspect, embodiments of the present application provide an apparatus that may implement the corresponding functions of one or more of the second aspect or any possible implementation manner of the second aspect. The apparatus comprises corresponding means or components for performing the above method. The means/modules comprised by the apparatus may be implemented by software and/or hardware means. The apparatus may be, for example, a terminal, or a network device (e.g., a base station), or a chip, a system-on-chip, or a processor that can support the terminal or the network device to implement the above functions.
In a fifth aspect, the present application provides an apparatus comprising: a processor coupled to a memory, the memory being configured to store a program or instructions that, when executed by the processor, cause the apparatus to carry out the method of the first aspect or any of the possible embodiments of the first aspect.
In a sixth aspect, the present application provides an apparatus comprising: a processor coupled to a memory for storing a program or instructions which, when executed by the processor, cause the apparatus to carry out the method of the second aspect or any of the possible embodiments of the second aspect described above.
In a seventh aspect, the present application provides a storage medium having stored thereon a computer program or instructions which, when executed, cause a computer to perform the method of the first aspect or any one of the possible embodiments of the first aspect.
In an eighth aspect, the present application provides a storage medium having stored thereon a computer program or instructions which, when executed, cause a computer to perform the method of the second aspect or any of the possible embodiments of the second aspect.
In a ninth aspect, an embodiment of the present application provides a communication system, including: the apparatus of the fifth aspect and the apparatus of the sixth aspect.
Drawings
Fig. 1 is a schematic diagram of a communication system applied to an embodiment provided in the present application;
fig. 2 shows an exemplary architecture of a communication system;
fig. 3 is an interaction diagram illustrating a communication method according to an embodiment of the present application;
fig. 4A is a schematic diagram illustrating a resource interval provided in an embodiment of the present application;
fig. 4B is a schematic diagram illustrating another resource spacing provided in the embodiment of the present application;
fig. 4C is a schematic diagram illustrating another resource spacing provided in the embodiment of the present application;
fig. 4D is a schematic diagram illustrating another resource spacing provided by an embodiment of the present application;
fig. 4E is a schematic diagram illustrating another resource spacing provided in the embodiment of the present application;
fig. 5 is an interaction diagram illustrating another communication method provided by an embodiment of the present application;
fig. 6 is an interaction diagram illustrating another communication method provided by an embodiment of the present application;
fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 9 is a schematic diagram of a communication device according to an embodiment of the present application.
Detailed Description
The communication method and the communication device provided by the embodiment of the application can be applied to a communication system. Fig. 1 shows a schematic diagram of a communication system. The communication system includes one or more network devices (network device 10 and network device 20 are shown for clarity) and one or more terminal devices in communication with the one or more network devices. Terminal devices 11 and 12 are shown in fig. 1 in communication with network device 10, and terminal devices 21 and 22 are shown in communication with network device 20. Communication between terminal devices is also possible, for example, terminal device 11 may communicate with terminal device 12, terminal device 11 may communicate with terminal device 21, and terminal device 11 may communicate with terminal device 22. Optionally, when one terminal device communicates with another terminal device, the one or more terminal devices may not communicate with the network device. It is to be understood that the network device and the terminal device may also be referred to as communication devices.
The technology described in the embodiment of the invention can be used for various communication systems, such as 2G, 3G, 4G, 4.5G and 5G communication systems, a system with a plurality of communication systems being fused, or a future evolution network. Such as Long Term Evolution (LTE) systems, New Radio (NR) systems, wireless fidelity (WiFi) systems, and 3rd generation partnership project (3 GPP) related cellular systems, among others.
Fig. 2 shows an exemplary schematic diagram of a possible architecture of a communication system, in which a network device in a Radio Access Network (RAN) shown in fig. 2 is a base station (e.g., a gbnodeb or a gNB) of a Centralized Unit (CU) and Distributed Unit (DU) separated architecture. The RAN may be connected to a core network (e.g., LTE core network, 5G core network, etc.). CU and DU can be understood as the division of the base stations from a logical functional point of view. CUs and DUs may be physically separate or deployed together. The functions of the RAN terminate on the CUs. A plurality of DUs may share one. A DU may also connect multiple CUs (not shown). The CU and DU may be connected via an interface, such as an F1 interface. CUs and DUs may be partitioned according to protocol layers of the wireless network. For example, functions of a Packet Data Convergence Protocol (PDCP) layer and a Radio Resource Control (RRC) layer are provided in the CU, and functions of a Radio Link Control (RLC), a Medium Access Control (MAC) layer, a physical (physical) layer, and the like are provided in the DU. It is to be understood that the division of CU and DU processing functions according to such protocol layers is merely an example, and may be performed in other manners. For example, a CU or DU may be partitioned to have more protocol layer functionality. For example, a CU or DU may also be divided into partial processing functions with protocol layers. In one design, some of the functions of the RLC layer and the functions of the protocol layers above the RLC layer are set in the CU, and the remaining functions of the RLC layer and the functions of the protocol layers below the RLC layer are set in the DU. In another design, the functions of a CU or DU may also be divided according to traffic type or other system requirements. For example, dividing by time delay, setting the function that processing time needs to meet the time delay requirement in DU, and setting the function that does not need to meet the time delay requirement in CU. The network architecture shown in fig. 2 may be applied to a 5G communication system, which may also share one or more components or resources with an LTE system. In another design, a CU may also have one or more functions of the core network. One or more CUs may be centrally located or separately located. For example, the CUs may be located on the network side to facilitate centralized management. The DU may have multiple rf functions, or may have a remote rf function.
The CU functions may be implemented by one entity, or the Control Plane (CP) and the User Plane (UP) may be further separated, that is, the control plane (CU-CP) and the user plane (CU-UP) of the CU may be implemented by different functional entities, and the CU-CP and the CU-UP may be coupled with the DU to jointly perform the functions of the base station.
It is understood that the embodiments provided in the present application are also applicable to an architecture in which CU and DU are not separated.
In this application, the network device may be any device having a wireless transceiving function. The network device may be an access network device, and the access network device may also be referred to as a Radio Access Network (RAN) device, which is a device providing a wireless communication function for the terminal device. Network devices include, but are not limited to: an evolved Node B (NodeB or eNB or e-NodeB, evolved Node B) in LTE, a base station (gbnodeb or gNB) or a transmission point (TRP) in NR, a base station for subsequent evolution in 3GPP, an access Node in WiFi system, a wireless relay Node, a wireless backhaul Node, a network management device, and the like. The base station may be: macro base stations, micro base stations, pico base stations, small stations, relay stations, or balloon stations, etc. Multiple base stations may support the same technology network as mentioned above, or different technologies networks as mentioned above. The base station may contain one or more co-sited or non co-sited TRPs. The network device may also be a wireless controller, CU, and/or DU in a Cloud Radio Access Network (CRAN) scenario. The network device may also be a server, a wearable device, or a vehicle mounted device, etc. The network device may also be a network device in a future 5G network or a network device in a future evolved PLMN network. The following description will take a network device as an example of a base station. The multiple network devices may be base stations of the same type or different types. The base station may communicate with the terminal device, and may also communicate with the terminal device through the relay station. The terminal device may communicate with a plurality of base stations of different technologies, for example, the terminal device may communicate with a base station supporting an LTE network, may communicate with a base station supporting a 5G network, and may support dual connectivity with the base station of the LTE network and the base station of the 5G network.
In the embodiment of the present application, the apparatus for implementing the function of the network device may be a network device; or may be a device, such as a system-on-chip, capable of supporting the network device to implement the function, and the device may be installed in the network device.
The terminal is a device with a wireless transceiving function, can be deployed on land, and comprises an indoor or outdoor terminal, a handheld terminal, a wearable terminal or a vehicle-mounted terminal; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control (industrial control), a vehicle-mounted terminal device, a wireless terminal in unmanned driving (self), a wireless terminal in remote medical treatment (remote medical), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), a wearable terminal device, and so on. The embodiments of the present application do not limit the application scenarios. A terminal may also be referred to as a terminal device, User Equipment (UE), access terminal device, in-vehicle terminal, industrial control terminal, UE unit, UE station, mobile station, remote terminal device, mobile device, UE terminal device, wireless communication device, UE agent, or UE device, among others. The terminals may also be fixed or mobile.
In the embodiment of the present application, the apparatus for implementing the function of the terminal may be a terminal; it may also be a device, such as a system-on-chip, capable of supporting the terminal to implement the function, which may be installed in the terminal. In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.
In a wireless communication network, a terminal may transmit Uplink (UL) data to a network device, and the terminal may also transmit Sidelink (SL) data to another terminal. For a terminal, if uplink data and transmission-side uplink data share a transmission link (for example, share a radio frequency unit, or share a transmission carrier), due to an index constraint of the shared transmission link, the terminal cannot perform concurrence of the uplink data and the side link data during data transmission. Therefore, how to enable concurrency of uplink data and sidelink data when sharing a transmission link, and further improve transmission efficiency becomes a problem to be solved urgently.
The transmission link (Tx chain) may also be referred to as a baseband link, a radio frequency link, a transmission link or a channel bandwidth, etc. Optionally, the transmission link may include a link for radio frequency processing and/or a link for baseband processing, etc.
The terminal device may support multiple transmit chains. The terminal device may transmit signals over one link using one or more transmit links. For example, a terminal device may support uplink and sidelink signals transmitted on a single carrier using separate transmit chains. For example, a terminal device may support uplink signaling using a first transmit link and sidelink signaling using a second transmit link on one carrier. For example, a terminal device may support transmitting uplink and sidelink signals using a shared transmit link on one carrier. For example, the terminal device may support the uplink signal and the sidelink signal on one carrier, and the third transmission link is the above-mentioned shared transmission link.
In the method provided by the embodiment of the application, the terminal can determine the uplink power and the sidelink power according to the power difference threshold, so that the difference value between the uplink power and the sidelink power is smaller than the power difference threshold, thereby overcoming the index constraint when the uplink and the sidelink share the transmission link, realizing the concurrence of the uplink data and the sidelink data, and further improving the transmission efficiency.
The technical solution of the present application is described in detail below with reference to specific embodiments and accompanying drawings. The following examples and implementations may be combined with each other and may not be repeated in some examples for the same or similar concepts or processes. It will be appreciated that the functions explained herein may be implemented by means of individual hardware circuits, by means of software running in conjunction with a processor/microprocessor or general purpose computer, by means of an application specific integrated circuit, and/or by means of one or more digital signal processors. When described as a method, the present application may also be implemented in a computer processor and a memory coupled to the processor.
Fig. 3 is an interaction diagram of a communication method according to an embodiment of the present application. As shown in fig. 3, the method of this embodiment may include:
part 300: terminal U1 based on power difference threshold PthrDetermining uplink power PULAnd sidelink power PSL. Optionally, the difference between the uplink power and the side link power (which may also be understood as the absolute value of the difference between the uplink power and the side link power) is less than or equal to the power difference threshold (which may also be denoted as | P)UL-P′SL|≤PthrWhere | x | represents the absolute value of x). The power difference threshold may be understood as the maximum difference between the uplink power and the sidelink power.
In this embodiment, the difference between the uplink power and the side link power may be understood as a difference between the uplink power and the side link power on the same time domain resource. The time domain resource in the present application may include at least one frame, at least one sub-frame, at least one slot (slot), at least one mini-slot (mini-slot), or at least one time domain symbol, etc.
The power difference threshold in this embodiment may also be a power ratio threshold, and correspondingly, the difference between the uplink power and the sidelink power may also be a ratio between the uplink power and the sidelink power or a ratio between the sidelink power and the uplink power. For convenience of description, the present application will be described with reference to a power difference threshold and a difference between the uplink power and the sidelink power as examples.
Part 310: terminal U1 based on the uplink power PULTransmitting uplink data to a network device and based on the sidelink power PSLGo to endEnd U2 transmits sidelink data. Correspondingly, the network device receives uplink data from terminal U1, and terminal U2 receives sidelink data from terminal U1.
The uplink data in the embodiment of the present application may be an uplink physical signal, and for example, the uplink data may be an uplink demodulation reference signal (DM-RS), an uplink phase-tracking reference signal (PT-RS), or a Sounding Reference Signal (SRS). The uplink data in the embodiment of the present application may also be information carried by an uplink physical channel, for example, the uplink data may be information carried by a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), or a Physical Random Access Channel (PRACH). The uplink data in the embodiment of the present application may also be an uplink physical signal and information carried by an uplink physical channel.
It is to be understood that uplink data in the embodiments of the present application may refer to data transmitted by a terminal and received by a network device.
The sidelink data in the embodiment of the present application may be a sidelink physical signal, for example, the sidelink data may be a DMRS of a sidelink, or a synchronization signal of the sidelink. The sidelink data in the embodiment of the present application may also be information carried by a sidelink physical channel, for example, the sidelink data may be information carried by a physical sidelink shared channel (psch), a Physical Sidelink Control Channel (PSCCH), a Physical Sidelink Discovery Channel (PSDCH), a Physical Sidelink Broadcast Channel (PSBCH), a Physical Sidelink Feedback Channel (PSFCH), or a Physical Sidelink Uplink Control Channel (PSUCCH). The sidelink data in the embodiment of the present application may also be a sidelink physical signal or information carried by a sidelink physical channel.
For example, the sidelink data may include sidelink data (SL data), and/or Sidelink Control Information (SCI), which may also be referred to as sidelink scheduling assignment (SL SA). The SL SA is information related to data scheduling, such as resource allocation and/or Modulation and Coding Scheme (MCS) for carrying the PSSCH. The sidelink data may include Sidelink Feedback Control Information (SFCI), and the sidelink feedback control information may also be referred to as sidelink feedback information for short. The sidelink feedback control information may include one or more of Channel State Information (CSI) and hybrid automatic repeat request (HARQ) information. The HARQ information may include an Acknowledgement (ACK) or a Negative Acknowledgement (NACK), and the like.
It is to be understood that the sidelink data in the embodiments of the present application may refer to data transmitted by a terminal and received by another terminal. The Sidelink (SL) in the embodiment of the present application may also be referred to as a side link, a sidelink, or a device to device (D2D) link.
By the method, the terminal can determine the uplink power and the side link power according to the power difference threshold, so that the difference value of the uplink power and the side link power is smaller than the power difference threshold, index constraints are overcome when the uplink and the side link share the sending link, concurrence of uplink data and side link data is realized, and transmission efficiency is improved.
It is to be understood that in the above section 300, the uplink power determined according to the power difference threshold may be 0 (the unit may be a unit for characterizing power such as watt or milliwatt), and in the above section 310, transmitting uplink data according to the uplink power may be understood as not transmitting the uplink data.
It is to be understood that in the above section 300, the sidelink power determined according to the power difference threshold may be 0 (the unit may be a unit for characterizing power such as watt or milliwatt), and then in the above section 310, transmitting the sidelink data according to the sidelink power may be understood as not transmitting the sidelink data.
Uplink power P in the above 300 sectionULAnd sidelink power PSLCan be understood as being based on the above-mentioned power difference threshold PthrAnd adjusting front uplink Power P'ULAnd adjusting front side link power P'SLDetermined adjusted uplink power PULAnd adjusting the back side uplink power PSL. The adjusted front uplink power P'ULAnd adjusting front side link power P'SLIt is understood that the above-mentioned power difference threshold P is not taken into accountthrThe power of the uplink and the sidelink obtained. When P'ULAnd P'SLIs greater than PthrIs (| P'UL-P′SL|>Pthr) According to Pthr、P′ULAnd P'SLDetermining the above PULAnd PSLWherein P isULAnd PSLIs less than or equal to Pthr(|PUL-PSL|≤Pthr) (ii) a Or when P'ULAnd P'SLIs greater than or equal to PthrIs (| P'UL-P′SL|≥Pthr) According to Pthr、P′ULAnd P'SLDetermining the above PULAnd PSLWherein P isULAnd PSLIs less than Pthr(|PUL-PSL|<Pthr). It can be understood that P is described aboveULAnd PSLThe sum does not exceed the maximum transmit power of the terminal.
At the above-mentioned threshold value P according to the power differencethrAnd adjusting front uplink Power P'ULAnd adjusting front side link power P'SLDetermining adjusted uplink power PULAnd adjusting the back side uplink power PSLIn one possible embodiment of (1), P 'is reduced'ULAnd P'SLThe value of the larger item in the list is kept P'ULAnd P'SLMiddle comparisonThe value of the one element is unchanged, and the adjusted uplink power P is obtainedULAnd adjusting the back side uplink power PSLAnd satisfy PULAnd PSLIs less than or equal to Pthr
From | P'UL-P′SL|>PthrAnd P'SL>P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: reducing P 'according to power adjustment step length'ULAnd P'SLThe value of the larger term in the case (the larger term in the case is P'SL) Is kept of P'ULAnd P'SLThe value of the smaller item is unchanged (the smaller item in the example is P'UL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
Figure BDA0002010611650000071
PUL=P′UL
and | PUL-PSL|≤Pthr
Wherein N isSLIs a positive integer and is a non-zero integer,
Figure BDA0002010611650000072
represents a SL power adjustment step size, and
Figure BDA0002010611650000073
can be a positive real number or a positive integer, e.g.
Figure BDA0002010611650000075
And can be 5, 2, 1.5, 1, 0.5, or 0.25, etc. It will be understood that the above formula
Figure BDA0002010611650000074
Or can be
Figure BDA0002010611650000081
In a corresponding manner, the first and second electrodes are,
Figure BDA0002010611650000082
can be a negative real number or a negative integer, e.g.
Figure BDA0002010611650000083
Can be a value of-5, -2, -1.5, -1, -0.5, or-0.25, etc.
Figure BDA0002010611650000084
May be predefined, may be configured by the network device through higher layer signaling (e.g., RRC signaling), and may be indicated by the network device through physical layer signaling (e.g., downlink control information).
Still under | P'UL-P′SL|>PthrAnd P'SL>P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: p 'is reduced according to the power adjustment quantity'ULAnd P'SLThe value of the larger term in the case (the larger term in the case is P'SL) Is kept of P'ULAnd P'SLThe value of the smaller item is unchanged (the smaller item in the example is P'UL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PSL=P′SL-ΔPSL
PUL=P′UL
and | PUL-PSL|≤Pthr
Wherein, Δ PSLRepresents SL power adjustment, and Δ PSLCan be a positive real number or a positive integer, e.g. Δ PSLMay be 10, 5, 2, 1.5, 1, 0.5, or 0.25, etc. It can be understood that the above formula PSL=P′SL-ΔPSLOr may be PSL=P′SL+ΔPSLCorrespondingly, Δ PSLCan be a negative real number or a negative integer, e.g. Δ PSLCan be-10, -5, -2, -1.5, -1, -0.5, or-0.25. Delta PSLMay be predefined, may be configured by the network device through higher layer signaling (e.g., RRC signaling), and may be indicated by the network device through physical layer signaling (e.g., downlink control information).
From | P'UL-P′SL|>PthrAnd P'SL<P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: reducing P 'according to power adjustment step length'ULAnd P'SLThe value of the larger term in the case (the larger term in the case is P'UL) Is kept of P'ULAnd P'SLThe value of the smaller item is unchanged (the smaller item in the example is P'SL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
Figure BDA0002010611650000085
PSL=P′SL
and | PUL-PSL|≤Pthr
Wherein N isULIs a positive integer and is a non-zero integer,
Figure BDA0002010611650000086
represents the UL power adjustment step size, and
Figure BDA0002010611650000087
can be a positive real number or a positive integer, e.g.
Figure BDA0002010611650000088
And can be 5, 2, 1.5, 1, 0.5, or 0.25, etc. It will be understood that the above formula
Figure BDA0002010611650000089
Or can be
Figure BDA00020106116500000810
In a corresponding manner, the first and second electrodes are,
Figure BDA00020106116500000811
can be a negative real number or a negative integer, e.g.
Figure BDA00020106116500000812
Can be a value of-5, -2, -1.5, -1, -0.5, or-0.25, etc.
Figure BDA00020106116500000813
May be predefined, may be configured by the network device through higher layer signaling (e.g., RRC signaling), and may be indicated by the network device through physical layer signaling (e.g., downlink control information). As can be appreciated, the first and second,
Figure BDA00020106116500000814
and the above
Figure BDA00020106116500000815
The parameters can be the same or different;
Figure BDA00020106116500000816
and the above
Figure BDA00020106116500000817
The configuration can be carried out through the same high-level signaling or through different high-level signaling;
Figure BDA00020106116500000818
and the above
Figure BDA00020106116500000819
The indication may be performed through the same physical layer signaling (e.g., the same downlink control information) or through different physical layer signaling (e.g., different downlink control information).
Still under | P'UL-P′SL|>PthrAnd P'SL<P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: p 'is reduced according to the power adjustment quantity'ULAnd P'SLThe value of the larger term in the case (the larger term in the case is P'UL) Is kept of P'ULAnd P'SLThe value of the smaller item is unchanged (the smaller item in the example is P'SL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PUL=P′UL-ΔPUL
PSL=P′SL
and | PUL-PSL|≤Pthr
Wherein, Δ PULRepresents UL power adjustment, and Δ PULCan be a positive real number or a positive integer, e.g. Δ PULMay be 10, 5, 2, 1.5, 1, 0.5, or 0.25, etc. It can be understood that the above formula PUL=P′UL-ΔPULOr may be PUL=P′UL+ΔPULCorrespondingly, Δ PULCan be a negative real number or a negative integer, e.g. Δ PULCan be-10, -5, -2, -1.5, -1, -0.5, or-0.25. Delta PULMay be predefined, may be configured by the network device through higher layer signaling (e.g., RRC signaling), and may be indicated by the network device through physical layer signaling (e.g., downlink control information). It can be understood that Δ PULAnd the above-mentioned DeltaPSLThe parameters can be the same or different; delta PULAnd the above-mentioned DeltaPSLThe configuration can be carried out through the same high-level signaling or through different high-level signaling; delta PULAnd the above-mentioned DeltaPSLThe indication may be performed through the same physical layer signaling (e.g., the same downlink control information) or through different physical layer signaling (e.g., different downlink control information).
At the above-mentioned threshold value P according to the power differencethrAnd adjusting the frontuplinkLink Power P'ULAnd adjusting front side link power P'SLDetermining adjusted uplink power PULAnd adjusting the back side uplink power PSLIn another possible embodiment of (1), P 'is increased'ULAnd P'SLThe value of the smaller item in the list is kept P'ULAnd P'SLThe value of the larger one is unchanged, and the adjusted uplink power P is obtainedULAnd adjusting the back side uplink power PSLAnd satisfy PULAnd PSLIs less than or equal to Pthr
From | P'UL-P′SL|>PthrAnd P'SL>P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: increasing P 'according to power adjustment step length'ULAnd P'SLValue of the smaller term (the smaller term in this case is P'UL) Is kept of P'ULAnd P'SLThe value of the larger term is unchanged (the larger term is P 'in the example)'SL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
Figure BDA0002010611650000091
PSL=P′SL
and | PUL-PSL|≤Pthr
Wherein N isULIs a positive integer and is a non-zero integer,
Figure BDA0002010611650000092
represents the UL power adjustment step size, and
Figure BDA0002010611650000093
can be a positive real number or a positive integer, e.g.
Figure BDA0002010611650000094
Can be5. 2, 1.5, 1, 0.5, or 0.25, etc. It will be understood that the above formula
Figure BDA0002010611650000095
Or can be
Figure BDA0002010611650000096
In a corresponding manner, the first and second electrodes are,
Figure BDA0002010611650000097
can be a negative real number or a negative integer, e.g.
Figure BDA0002010611650000098
Can be a value of-5, -2, -1.5, -1, -0.5, or-0.25, etc.
Figure BDA0002010611650000099
May be predefined, may be configured by the network device through higher layer signaling (e.g., RRC signaling), and may be indicated by the network device through physical layer signaling (e.g., downlink control information).
Still under | P'UL-P′SL|>PthrAnd P'SL>P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: increasing P 'according to the power adjustment quantity'ULAnd P'SLValue of the smaller term (the smaller term in this case is P'UL) Is kept of P'ULAnd P'SLThe value of the larger term is unchanged (the larger term is P 'in the example)'SL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PUL=P′ULand Δ PUL
PSL=P′SL
And | PUL-PSL|≤Pthr
Wherein, Δ PULRepresents UL power adjustment, and Δ PULCan be positiveReal or positive integer. It can be understood that the above formula PUL=P′UL+ΔPULOr may be PUL=P′UL-ΔPULCorrespondingly, Δ PULThe value of (d) may be a negative real number or a negative integer. Delta PULMay be predefined, may be configured by the network device through higher layer signaling (e.g., RRC signaling), and may be indicated by the network device through physical layer signaling (e.g., downlink control information).
From | P'UL-P′SL|>PthrAnd P'SL<P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: increasing P 'according to power adjustment step length'ULAnd P'SLValue of the smaller term (the smaller term in this case is P'SL) Is kept of P'ULAnd P'SLThe value of the larger term is unchanged (the larger term is P 'in the example)'UL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
Figure BDA00020106116500000910
PUL=P′UL
and | PUL-PSL|≤Pthr
Wherein N isSLIs a positive integer and is a non-zero integer,
Figure BDA00020106116500000911
represents a SL power adjustment step size, and
Figure BDA00020106116500000912
can be a positive real number or a positive integer, e.g.
Figure BDA00020106116500000913
And can be 5, 2, 1.5, 1, 0.5, or 0.25, etc. It will be understood that the above formula
Figure BDA0002010611650000101
Or can be
Figure BDA0002010611650000102
In a corresponding manner, the first and second electrodes are,
Figure BDA0002010611650000103
can be a negative real number or a negative integer, e.g.
Figure BDA0002010611650000104
Can be a value of-5, -2, -1.5, -1, -0.5, or-0.25, etc.
Figure BDA0002010611650000105
May be predefined, may be configured by the network device through higher layer signaling (e.g., RRC signaling), and may be indicated by the network device through physical layer signaling (e.g., downlink control information).
Still under | P'UL-P′SL|>PthrAnd P'SL<P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: increasing P 'according to the power adjustment quantity'ULAnd P'SLValue of the smaller term (the smaller term in this case is P'SL) Is kept of P'ULAnd P'SLThe value of the larger term is unchanged (the larger term is P 'in the example)'UL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PSL=P′SL+ΔPSL
PUL=P′UL
and | PUL-PSL|≤Pthr
Wherein, Δ PSLRepresents SL power adjustment, and Δ PSLCan be a positive real number or a positive integer, e.g. Δ PSLMay be 10, 5, 2, 1.5, 1, 0.5, or 0.25, etcAnd (4) taking values. It can be understood that the above formula PSL=P′SL+ΔPSLOr may be PSL=P′SL-ΔPSLCorrespondingly, Δ PSLCan be a negative real number or a negative integer, e.g. Δ PSLCan be-10, -5, -2, -1.5, -1, -0.5, or-0.25. Delta PSLMay be predefined, may be configured by the network device through higher layer signaling (e.g., RRC signaling), and may be indicated by the network device through physical layer signaling (e.g., downlink control information).
At the above-mentioned threshold value P according to the power differencethrAnd adjusting front uplink Power P'ULAnd adjusting front side link power P'SLDetermining adjusted uplink power PULAnd adjusting the back side uplink power PSLIn another possible embodiment of (1), P 'is reduced'ULAnd P'SLThe value of the larger item in the list is increased by P'ULAnd P'SLThe value of the smaller term in the sequence is obtained to obtain the adjusted uplink power PULAnd adjusting the back side uplink power PSLAnd satisfy PULAnd PSLIs less than or equal to Pthr
From | P'UL-P′SL|>PthrAnd P'SL>P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: prepared from P'SLAnd P'ULExceeds a power difference threshold PthrPower of (| P'UL-P′SL|-Pthr) Carrying out equipartition to obtain equipartition power ((| P'UL-P′SL|-Pthr) /2) and reducing P 'according to the average power'ULAnd P'SLThe value of the larger term in the case (the larger term in the case is P'SL) Increasing P'ULAnd P'SLValue of the smaller term (the smaller term in this case is P'UL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PSL=P′SL-(|P′UL-P′SL|-Pthr)/2
PUL=P′UL+(|P′UL-P′SL|-Pthr)/2
still under | P'UL-P′SL|>PthrAnd P'SL>P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: prepared from P'SLAnd P'ULExceeds a power difference threshold PthrPower of (| P'UL-P′SL|-Pthr) Apportioning by proportion α to obtain apportioned power ((| P'UL-P′SL|-Pthr) α, and, (| P'UL-P′SL|-Pthr) 1- α)) and apportioning the power reduction P 'according to the proportion'ULAnd P'SLThe value of the larger term in the case (the larger term in the case is P'SL) Increasing P'ULAnd P'SLValue of the smaller term (the smaller term in this case is P'UL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PSL=P′SL-(|P′UL-P′SL|-Pthr)*α
PUL=P′UL+(|P′UL-P′SL|-Pthr)*(1-α)
or, according to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PSL=P′SL-(|P′UL-P′SL|-Pthr)*(1-α)
PUL=P′UL+(|P′UL-P′SL|-Pthr)*α
wherein α satisfies 0 ≦ α ≦ 1, α may be predefined, or may be configured by the network device through higher layer signaling (e.g., RRC signaling),and may also be indicated by the network device via physical layer signaling (e.g., downlink control information.) for example, α may satisfy one of:
Figure BDA0002010611650000111
or
Figure BDA0002010611650000112
From | P'UL-P′SL|>PthrAnd P'SL<P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: prepared from P'SLAnd P'ULExceeds a power difference threshold PthrPower of (| P'UL-P′SL|-Pthr) Carrying out equipartition to obtain equipartition power ((| P'UL-P′SL|-Pthr) /2) and reducing P 'according to the average power'ULAnd P'SLThe value of the larger term in the case (the larger term in the case is P'UL) Increasing P'ULAnd P'SLValue of the smaller term (the smaller term in this case is P'SL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PSL=P′SL+(|P′UL-P′SL|-Pthr)/2
PUL=P′UL-(|P′UL-P′SL|-Pthr)/2
still under | P'UL-P′SL|>PthrAnd P'SL<P′ULFor example, according to Pthr、P′SLAnd P'ULDetermining PULAnd PSLThe process of (2) may be: prepared from P'SLAnd P'ULExceeds a power difference threshold PthrPower of (| P'UL-P′SL|-Pthr) Apportioning by proportion α to obtain apportioned power ((| P'UL-P′SL|-Pthr) α, and, (| P'UL-P′SL|-Pthr) 1- α)) and apportioning the power reduction P 'according to the proportion'ULAnd P'SLThe value of the larger term in the case (the larger term in the case is P'UL) Increasing P'ULAnd P'SLValue of the smaller term (the smaller term in this case is P'SL). According to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PSL=P′SL+(|P′UL-P′SL|-Pthr)*α
PUL=P′UL-(|P′UL-P′SL|-Pthr)*(1-α)
or, according to Pthr、P′SLAnd P'ULDetermined PULAnd PSLThe following equation can be satisfied:
PSL=P′SL+(|P′UL-P′SL|-Pthr)*(1-α)
PUL=P′UL-(|P′UL-P′SL|-Pthr)*α
wherein, the description of α can refer to the previous description of α, and is not repeated herein.
By determining and adjusting the uplink power and the sidelink power, the interference caused by the concurrence of the uplink and the sidelink can be reduced, so that the concurrence of the uplink data and the sidelink data can be realized, and the transmission efficiency is improved.
In the above embodiments of the present application, optionally, the terminal U1 may also be according to PULAnd P'ULAmount of change in phase or PSLAnd P'SLThe amount of change in the comparison determines whether to do concurrence of the uplink data and the sidelink data.
In accordance with PULAnd P'ULIn one possible embodiment, where the amount of change in the comparison determines whether to send uplink data, PULAnd P'ULCompared with the reduction of x1%, whenx1Greater than or equal to a threshold value X1Terminal U1 will not send uplink data. Threshold value X1May be predefined or may be configured by the network device.
In accordance with PULAnd P'ULIn another possible embodiment of the comparison of the amount of change to determine whether to transmit uplink data, PULAnd P'ULCompared with increasing x2%, when x2Greater than or equal to a threshold value X2Terminal U1 will not send uplink data. Threshold value X2May be predefined or may be configured by the network device.
In accordance with PSLAnd P'SLIn one possible embodiment of the comparison of the amount of change to determine whether to transmit sidelink data, PSLAnd P'SLCompared with the reduction of y1When y is1Greater than or equal to a threshold value Y1Terminal U1 will not send sidelink data. Threshold value Y1May be predefined or may be configured by the network device.
In accordance with PSLAnd P'SLIn another possible embodiment of the comparison of the amount of change to determine whether to transmit sidelink data, PSLAnd P'SLCompared with increase in y2When y is2Greater than or equal to a threshold value Y2Terminal U1 will not send sidelink data. Threshold value Y2May be predefined or may be configured by the network device.
Through the embodiment, whether the uplink and the sidelink are concurrent can be determined according to the adjusted uplink power and the adjusted sidelink power, so that the performance of the uplink and the sidelink in the concurrent process is ensured.
In the above embodiments of the present application, optionally, the terminal U1 may also determine the uplink power and the sidelink power according to a path loss parameter (e.g., a path loss value), where the path loss parameter is a path loss parameter between the terminal U1 and the network device or a path loss parameter between the terminal U1 and the terminal U2. Optionally, the terminal U1 determines the uplink power and the sidelink power according to a path loss parameter predefined or configured by a network device. By the embodiment, the situation that the uplink data and the side link data are concurrent can be avoided according to the same path loss parameter, and the excessive difference of the concurrent power can be avoided.
In the above embodiments of the present application, optionally, the terminal U1 may also use different path loss parameters to determine the uplink power and/or the sidelink power if the uplink data and the sidelink data are concurrent or non-concurrent. For example, terminal U1 may use the path loss parameter between terminal U1 and the network device to determine the uplink power and the sidelink power when the uplink data and the sidelink data are concurrent, and use the path loss parameter between terminal U1 and terminal U2 to determine the uplink power or the sidelink power when the uplink data and the sidelink data are not concurrent (which may be understood as transmitting only uplink data or only sidelink data). For another example, terminal U1 may use the path loss parameter between terminal U1 and terminal U2 to determine the uplink power and the sidelink power when the uplink data and the sidelink data are concurrent, and use the path loss parameter between terminal U1 and the network device to determine the uplink power or the sidelink power when the uplink data and the sidelink data are non-concurrent.
In the above embodiment of the present application, with reference to fig. 3, optionally, the method may further include a part 320: the terminal U1 obtains the power difference threshold Pthr. The power difference threshold may be predefined or preconfigured, or may be configured or indicated by the network device or other terminal.
In an alternative way of predefining or pre-configuring the power difference threshold, the terminal U1 may obtain the power difference threshold predefined in the protocol.
In another alternative of pre-defining or pre-configuring the power difference threshold, the terminal U1 may obtain the power difference threshold by pre-configuring a parameter. For example, the terminal U1 may obtain the power difference threshold through a preconfigured parameter in a Subscriber Identity Module (SIM) or a Universal Subscriber Identity Module (USIM). It is understood that the SIM may also be referred to as a subscriber identity card, a smart card, etc., the USIM may also be referred to as an upgraded SIM, etc., and the provisioning parameters may also be referred to as provisioning signaling, provisioning information, etc. by other names.
In the above embodiment of the present application, with reference to fig. 3, optionally, the method may further include a section 330: the network equipment sends configuration information to the terminal U1, and the terminal U1 receives the configuration information, wherein the configuration information is used for configuring or indicating the power difference threshold value Pthr. The configuration information may include one or more of system information, information carried by common RRC signaling, information carried by dedicated RRC signaling, or downlink control information. When the configuration information includes various information, the terminal U1 may determine the power difference threshold P according to a priority rulethrWherein the priority rule specifies a priority among the plurality of information. Through various information, more flexible power difference threshold configuration can be realized, and different transmission requirements are met.
For example, the priority rule specifies the following information of high to low priority: downlink control information, information carried by dedicated RRC signaling, information carried by common RRC signaling, system information, and pre-configuration information. The priority rule may also be understood that the downlink control information may overwrite information carried by dedicated RRC signaling, information carried by common RRC signaling, system information, or pre-configuration information, the information carried by dedicated RRC signaling may overwrite information carried by common RRC signaling, system information, or pre-configuration information, the information carried by common RRC signaling may overwrite system information or pre-configuration information, the system information may overwrite pre-configuration information, wherein overwriting may also be referred to as covering. According to the priority rule of the above example, the terminal U1 may determine that the power difference threshold P is configured or indicated in the higher priority informationthr
Optionally, part 330 may also be: the terminal U2 sends configuration information to the terminal U1, and the terminal U1 receives the configuration information, the configuration information is used for configuring or indicating the power difference threshold value Pthr. For example, the configuration information may configure one of the power difference thresholds PthrThe terminal U1 receiving the configuration information can obtain the power difference thresholdValue Pthr
In another alternative implementation manner of the above part 320, the terminal U1 obtains the power difference threshold P according to an index, a number, or an enumeration parameterthrWherein the index, number, or enumeration parameter is used to identify the power difference threshold PthrSaid power difference threshold PthrAnd the index, the number or the enumeration parameter has a corresponding relation. The correspondence may be predefined or may be configured or indicated by the network device or other terminal. The index, number, or enumeration parameter may be predefined or may be configured or indicated by the network device or other terminal. The terminal U1 may obtain the index, number, or enumeration parameters and rely on the power difference threshold PthrObtaining the power difference threshold value P according to the corresponding relation of the index, the number or the enumeration parameterthr
At the above power difference threshold PthrIn an alternative embodiment having a corresponding relationship with the index, number, or enumeration parameter, in conjunction with section 330 in fig. 3, the configuration information sent by the network device or terminal U2 to the terminal U1 may be used to configure the power difference threshold PthrA correspondence with the index, number, or enumeration parameter.
For example, the configuration information in section 330 may be used to configure the index and power difference threshold correspondence illustrated in table 1. In connection with the example of Table 1, the configuration information sent by the network device or terminal U2 to terminal U1 may also configure the above for identifying PtnrIndex of (can also be understood as being equal to P)thrThe corresponding index). For example, the configuration information sent by the network device or terminal U2 to terminal U1 configures the connection with
Figure BDA0002010611650000131
Corresponding to the index "1", the terminal U1 may obtain the power difference threshold according to the index "1
Figure BDA0002010611650000132
According to this embodiment, the configuration of the power difference threshold can be performed in a quantitative manner, thereby reducingConfiguration overhead of the power difference threshold.
At the above power difference threshold PthrIn another alternative embodiment having a correspondence with the index, number, or enumeration parameter, the correspondence is predefined. In connection with the example of table 1, the correspondence of the index and the power difference threshold illustrated in this example may be predefined.
TABLE 1
Figure BDA0002010611650000133
In another alternative embodiment of the above 320, the terminal U1 obtains the power difference threshold P according to the resource interval RtthrWherein the resource interval Rt is an interval between the resources of the uplink data and the resources of the sidelink data, and the power difference threshold PthrHas a corresponding relation with the resource interval Rt, or the power difference threshold value PthrAnd the resource distance range where the resource distance Rt is located has a corresponding relation. The correspondence may be predefined or may be configured or indicated by the network device or other terminal. Optionally, the larger the resource interval Rt is, the power difference threshold P corresponding to the resource interval Rt isthrThe larger may also be. Alternatively, different resource spacings Rt may correspond to the same power difference threshold Pthr. If the power difference threshold value PthrThe resource interval range corresponding to the resource interval Rt is provided, the terminal U1 can determine the resource interval range of the resource interval Rt and determine the resource interval range according to the power difference threshold PthrThe power difference threshold value P is obtained according to the corresponding relation of the resource interval range in which the resource interval Rt is locatedthr
The range of pitches in this application is to be understood as comprising a collection of many different pitches. For example, a resource spacing range may be understood to include a collection of a plurality of different resource spacings. The pitch range may also be referred to as a distance range, a pitch interval, a distance interval, or the like, and the present application does not limit this.
The resource of the uplink data in this application may be a frequency domain resource FU allocated for the uplink data, or may be a frequency domain resource set including the frequency domain resource FU. The resource of the sidelink data in the present application may be a frequency domain resource FS allocated to the sidelink data, or may be a frequency domain resource set including the frequency domain resource FS.
The frequency domain resource or the frequency domain resource set in the present application may include at least one carrier (carrier), at least one Component Carrier (CC), at least one bandwidth part (BWP), at least one Resource Block Group (RBG), at least one physical resource block group (PRG), at least one Resource Block (RB), or at least one subcarrier (sub-carrier, SC), etc.
The BWP may include an uplink BWP and a sidelink BWP. Uplink data may be transmitted in uplink BWP and sidelink data may be transmitted in sidelink BWP. The uplink BWP and the sidelink BWP may be completely overlapping, partially overlapping, or non-overlapping.
The uplink BWP may contain resources for uplink data and the sidelink BWP may contain resources for sidelink data. The resource of uplink data may also be understood as a resource of uplink data transmission, and the resource of sidelink data may also be understood as a resource of sidelink data transmission.
Taking fig. 4A as an example, the resource interval Rt in the present application may be an interval between a starting frequency domain resource in resources of uplink data and a starting frequency domain resource in resources of sidelink data. Alternatively, taking fig. 4B as an example, the resource interval Rt in the present application may be an interval between an end frequency domain resource in the resources of the uplink data and an end frequency domain resource in the resources of the sidelink data. Alternatively, taking fig. 4C as an example, the resource interval Rt in the present application may be an interval between a starting frequency domain resource in the resources of the uplink data and an ending frequency domain resource in the resources of the sidelink data. Alternatively, taking fig. 4D as an example, the resource interval Rt in the present application may be an interval between an ending frequency domain resource in the resources of the uplink data and a starting frequency domain resource in the resources of the sidelink data. Alternatively, taking fig. 4E as an example, the resource interval Rt in the present application may be an interval between a center frequency domain resource in the resources of the uplink data and a center frequency domain resource in the resources of the sidelink data.
The resource interval Rt in this application may be expressed in terms of a resource number (e.g., a number of RBs, a number of RBGs, or a number of subcarriers), or may be expressed in terms of a frequency unit or a bandwidth unit (e.g., megahertz (MHz), or megahertz (M)).
At the above power difference threshold PthrIn an alternative embodiment having a corresponding relationship with the resource separation range where the resource separation Rt is located, in conjunction with section 330 in fig. 3, the configuration information sent by the network device or the terminal U2 to the terminal U1 may be used to configure the power difference threshold PthrAnd the corresponding relation with the resource interval range where the resource interval Rt is located.
For example, the configuration information in section 330 may be used to configure the correspondence between the resource spacing range and the power difference threshold shown in table 2, where R0, R1, R2, and R3 shown in table 2 represent 4 resource spacing ranges, respectively. The resource spacing range in which the resource spacing Rt is located is Rj (j is 0, 1, 2 or 3) in R0, R1, R2 and R3, and the terminal U1 obtains a power difference threshold corresponding to the resource spacing range Rj
Figure BDA0002010611650000141
Taking the resource spacing represented by R0, R1, R2, and R3 as being less than or equal to 5M, greater than 5M and less than or equal to 10M, greater than 10M and less than or equal to 20M, and greater than 20M, respectively, and the resource spacing represented by Rt as 6M, for example, since 6M belongs to the resource spacing range greater than 5M and less than or equal to 10M (i.e., the resource spacing range corresponding to R1), the terminal U1 will obtain the power difference threshold corresponding to the resource spacing range R1
Figure BDA0002010611650000142
According to the embodiment, the power difference threshold can be determined according to the resource distribution of different links, so that the power difference threshold under different resource distributions can be adaptively adjusted, and the utilization efficiency of resources can be improved.
At the above power difference threshold PthrIn another optional embodiment, the resource interval range in which the resource interval Rt is located has a corresponding relationship, and the corresponding relationship is predefined. In connection with the example of table 2, the correspondence of the resource spacing range and the power difference threshold illustrated by this example may be predefined.
TABLE 2
Figure BDA0002010611650000143
In another alternative implementation of the above 320, the terminal U1 obtains the power difference threshold P according to the resource spacing Rt and the transmission subcarrier spacing StthrAnd the resource interval Rt is an interval between resources of the uplink data and resources of the sidelink data, and the transmission subcarrier interval St is a subcarrier interval corresponding to the uplink data and the sidelink data. The power difference threshold PtnrHaving a correspondence with the resource spacing Rt and the transmission subcarrier spacing St, or the power difference threshold PthrAnd the resource interval range where the resource interval Rt is located and the transmission subcarrier interval St have a corresponding relation. The correspondence may be predefined or may be configured or indicated by the network device or other terminal. If the power difference threshold value PthrThe resource spacing range where the resource spacing Rt is located and the transmission subcarrier spacing St have a corresponding relation, and the terminal U1 can determine the resource spacing range where the resource spacing Rt is located and the transmission subcarrier spacing St and according to the power difference threshold PthrThe power difference threshold value P is obtained according to the corresponding relation between the resource interval range where the resource interval Rt is located and the transmission subcarrier interval Stthr
It is understood that the transmission subcarrier spacing in this application may also be referred to as subcarrier spacing, system parameter, or frame structure parameter (numerology). The subcarrier spacing in this application is a kind of transmission parameter (which can be understood as a kind of frequency domain transmission parameter) used when data transmission is performed, for example, the subcarrier spacing may be 15kHz, 30kHz, 60kHz, 120kHz, 240kHz, 480kHz, or the like. The subcarrier interval corresponding to the uplink data in the present application is a subcarrier interval used when uplink data is transmitted, and the subcarrier interval corresponding to the sidelink data in the present application is a subcarrier interval used when sidelink data is transmitted.
At the above power difference threshold PthrIn an alternative embodiment having a corresponding relationship between the resource spacing range where the resource spacing Rt is located and the transmission subcarrier spacing St, in conjunction with section 330 in fig. 3, the configuration information sent by the network device or terminal U2 to the terminal U1 may be used to configure the power difference threshold PthrAnd the resource interval range where the resource interval Rt is located and the transmission subcarrier interval St have a corresponding relationship.
For example, the configuration information in section 330 may be used to configure the transmission subcarrier spacing and the correspondence between the resource spacing range and the power difference threshold, which are indicated in table 3, S0 and S1 indicated in table 3 respectively indicate two transmission subcarrier spacings, R00 and R01 respectively indicate two resource spacing ranges corresponding to the transmission subcarrier spacing S0, and R10 and R11 respectively indicate two resource spacing ranges corresponding to the transmission subcarrier spacing S1. The transmission subcarrier interval St is Si (i is 0 or 1) in S0 and S1, the resource interval range where the resource interval Rt is located is Rij (j is 0 or 1) in Ri0 and Ri1, and the terminal U1 obtains a power difference threshold corresponding to the resource interval range Rij
Figure BDA0002010611650000151
(it will also be understood that terminal U1 will obtain a power difference threshold corresponding to resource spacing range Rij at transmission subcarrier spacing Si
Figure BDA0002010611650000152
). According to the embodiment, the power difference threshold can be determined according to the resource distribution of different subcarrier intervals and different links, so that the power difference threshold under different subcarrier intervals and different resource distributions can be adaptively adjusted, and the utilization efficiency of resources is improved.
At the above powerDifference threshold value PthrIn an alternative embodiment, where there is a correspondence between the resource interval range in which the resource interval Rt is located and the transmission subcarrier spacing St, the correspondence is predefined. In connection with the example of table 3, the resource spacing range and the correspondence of the transmission subcarrier spacing to the power difference threshold illustrated by this example may be predefined.
TABLE 3
Figure BDA0002010611650000153
In another alternative implementation manner of the above 320, the terminal U1 obtains the power difference threshold P according to the resource spacing Rt and the reference resource spacing RrthrWherein the resource interval Rt is an interval between the resources of the uplink data and the resources of the sidelink data, and the power difference threshold PthrAnd the reference resource interval Rr has a corresponding relation. The correspondence may be predefined or may be configured or indicated by the network device or other terminal. It is to be understood that the reference resource spacing in the embodiments of the present application may be understood as a resource spacing for reference or serving as a benchmark, and other resource spacings may be determined according to the reference resource spacing. The power difference threshold corresponding to the reference resource interval may also be referred to as a reference power difference threshold, and the power difference threshold corresponding to the other resource intervals may be determined according to the reference power difference threshold, or the power difference threshold corresponding to the other resource intervals may be determined according to the reference resource interval. The reference power difference threshold may be predefined by a protocol, or may be configured or indicated by a network device or other terminal.
Alternatively, the terminal U1 may be configured to determine the resource interval Rt, the reference resource interval Rr, and the reference power difference threshold corresponding to the reference resource interval Rr
Figure BDA0002010611650000161
Obtaining the power difference threshold Pthr. Wherein the resource spacing Rt is a spacing of resources of the uplink data and resources of the sidelink data,the reference power difference threshold
Figure BDA0002010611650000162
There is a correspondence with the reference resource spacing Rr, which may be predefined, or may be configured or indicated by a network device or other terminal. The power difference threshold PthrWith resource spacing Rt, reference resource spacing Rr and reference power difference threshold
Figure BDA0002010611650000163
Has a correspondence, which may be predefined or configured or indicated by the network device or other terminal.
At the above reference power difference threshold
Figure BDA0002010611650000164
In an alternative embodiment having a corresponding relationship with the reference resource distance Rr, in conjunction with section 330 in fig. 3, the configuration information sent by the network device or the terminal U2 to the terminal U1 may be used to configure the above-mentioned reference power difference threshold
Figure BDA0002010611650000165
A correspondence with the reference resource spacing Rr.
For example, the configuration information in section 330 can be used to configure the corresponding relationship between the reference resource interval and the reference power difference threshold shown in table 4, where Rr shown in table 4 represents a reference resource interval,
Figure BDA0002010611650000166
representing a reference power difference threshold corresponding to Rr. The terminal U1 according to the resource interval Rt and the reference resource interval Rr, and the reference power difference threshold
Figure BDA0002010611650000167
Threshold value of power difference P obtainedthrThe following equation can be satisfied:
Figure BDA0002010611650000168
wherein, C0Is an integer or real number and log represents a logarithm to the base of 2, a natural constant e, or 10. Alternatively, the terminal U1 calculates the resource interval Rt and the reference resource interval Rr according to the reference power difference threshold
Figure BDA0002010611650000169
Threshold value of power difference P obtainedthrThe following equation can be satisfied:
Figure BDA00020106116500001610
wherein, C1M ^ represents a power with m as the base, wherein m can be an integer (such as 1, 2, 10, etc.) or a natural constant e, etc.
According to the method for configuring the reference resource spacing, the content of configuration information can be reduced, and therefore configuration overhead is reduced.
At the above reference power difference threshold
Figure BDA00020106116500001611
In another alternative embodiment having a correspondence with the reference resource spacing Rr, the correspondence is predefined. In connection with the example of table 4, the correspondence of the reference resource spacing to the power difference threshold illustrated by this example may be predefined.
TABLE 4
Figure BDA00020106116500001612
In another alternative implementation manner of the above 320, the terminal U1 obtains the power difference threshold P according to the resource spacing Rt, the reference resource spacing Rrt and the transmission subcarrier spacing StthrWherein the resource interval Rt is an interval between resources of the uplink data and resources of the sidelink data, the transmission subcarrier interval St is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold is set to be equal to or greater than a threshold valuePthrHaving a correspondence with the reference resource spacing Rrt and the transmission subcarrier spacing St. The correspondence may be predefined or may be configured or indicated by the network device or other terminal.
Optionally, the terminal U1 may obtain the power difference threshold P according to the resource spacing Rt, the reference resource spacing Rrt, the transmission subcarrier spacing St, and a reference power difference threshold corresponding to the reference resource spacing Rrt and the transmission subcarrier spacing Stthr. Wherein the resource interval Rt is an interval between resources of the uplink data and resources of the sidelink data, the transmission subcarrier interval St is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold P is set to be smaller than the power difference threshold PthrThe reference power difference threshold corresponding to the reference resource interval Rrt and the transmission subcarrier interval St has a corresponding relationship, which may be predefined, or may be configured or indicated by a network device or other terminal. The reference power difference threshold has a correspondence with a reference resource interval Rrt and the transmission subcarrier spacing St, and the correspondence may be predefined or may be configured or indicated by a network device or other terminal.
In an alternative embodiment where the reference power difference threshold corresponds to the reference resource interval Rrt and the transmission subcarrier interval St, as shown in fig. 3 with reference to part 330, configuration information sent by the network device or the terminal U2 to the terminal U1 may be used to configure the correspondence relationship between the reference power difference threshold and the reference resource interval Rrt and the transmission subcarrier interval St.
For example, the configuration information in section 330 may be used to configure the correspondence between the transmission subcarrier spacing and the reference resource spacing and the reference power difference threshold as illustrated in table 5, S0 and S1 illustrated in table 5 respectively represent two transmission subcarrier spacings, and Rr0 and Rr1 respectively represent the reference resource spacing corresponding to S0 and S1. The transmission subcarrier spacing St is Si (i is 0 or 1) in S0 and S1, the reference resource spacing Rrt is Rri (i is 0 or 1) in Rr0 and Rr1, and the terminal U1 is based on the resource spacing Rt, the reference resource spacing Rri and the transmission subcarrier spacing RriReference power threshold corresponding to wave interval Si
Figure BDA0002010611650000171
Threshold value of power difference P obtainedthrThe following equation can be satisfied:
Figure BDA0002010611650000172
wherein, C2Is an integer or real number and log represents a logarithm to the base of 2, a natural constant e, or 10. Or, the terminal U1 uses the resource interval Rt, the reference resource interval Rri and the reference power threshold corresponding to the transmission subcarrier spacing Si
Figure BDA0002010611650000173
Threshold value of power difference P obtainedthrThe following equation can be satisfied:
Figure BDA0002010611650000174
wherein, C3M ^ represents a power with m as the base, wherein m can be an integer (such as 1, 2, 10, etc.) or a natural constant e, etc.
According to the mode of configuring the reference resource spacing under the corresponding transmission subcarrier spacing, the content of configuration information can be reduced, and the configuration overhead is reduced.
In another optional embodiment, where the reference power difference threshold has a correspondence with the reference resource interval Rrt and the transmission subcarrier spacing St, the correspondence is predefined. In connection with the example of table 5, the power difference threshold illustrated in this example is predefined in relation to the reference resource spacing and the transmission subcarrier spacing.
TABLE 5
Figure BDA0002010611650000175
In another alternative implementation of the above section 320, the terminal U1 refers to the resource according to the resource interval RtThe power difference threshold P is obtained by the distance Rr, the transmission subcarrier interval St and the reference subcarrier interval Srthr
Wherein the resource interval Rt is an interval between resources of the uplink data and resources of the sidelink data, the transmission subcarrier interval St is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold P is set to be smaller than the power difference threshold PthrHas a corresponding relationship with the reference resource interval Rr and the reference subcarrier spacing Sr. The correspondence may be predefined or may be configured or indicated by the network device or other terminal. This correspondence can be understood as the power difference threshold P at the above-mentioned reference subcarrier spacing SrthrThe reference subcarrier spacing Sr may be predefined, or may be configured or indicated by a network device or other terminal, according to the corresponding relationship with the reference resource interval Rr. It is to be understood that the reference subcarrier spacing in the embodiments of the present application may be understood as a subcarrier spacing used for reference or serving as a reference, and the resource spacing at other subcarrier spacings may be determined according to the reference subcarrier spacing, or the power difference threshold at other subcarrier spacings may be determined according to the subcarrier spacing. The reference resource spacing in the embodiment of the present application may be understood as a reference resource spacing, and other resource spacings may be determined according to the reference resource spacing, or power difference thresholds corresponding to other resource spacings may be determined according to the reference resource spacing. The reference power difference threshold may be predefined by a protocol, or may be configured or indicated by a network device or other terminal.
Optionally, the terminal U1 may transmit the subcarrier spacing St, the reference subcarrier spacing Sr, the reference resource spacing Rr according to the resource spacing Rt, and the reference power difference threshold corresponding to the reference resource spacing Rr and the reference subcarrier spacing Sr
Figure BDA0002010611650000181
Obtaining the power difference threshold Pthr. Wherein the resource spacing Rt is a spacing of resources of the uplink data and resources of the sidelink data, the referenceThreshold of power difference
Figure BDA0002010611650000182
There is a correspondence with the reference resource spacing Rr and the reference subcarrier spacing Sr, which may be predefined or configured or indicated by a network device or other terminal. The power difference threshold PthrFrom the resource interval Rt, the transmission subcarrier spacing St and a reference power difference threshold
Figure BDA0002010611650000183
Have a corresponding relationship. The correspondence may be predefined or may be configured or indicated by the network device or other terminal.
In an alternative embodiment where the reference power difference threshold has a corresponding relationship with the reference resource interval Rr and the reference subcarrier interval Sr, as shown in fig. 3, in reference to part 330, configuration information sent by the network device or terminal U2 to the terminal U1 may be used to configure the corresponding relationship between the reference power difference threshold and the reference resource interval Rr and the reference subcarrier interval Sr.
For example, the configuration information in section 330 may be used to configure the correspondence between the reference subcarrier spacing and the reference resource spacing and the reference power difference threshold as illustrated in table 6, Sr illustrated in table 6 denotes the reference subcarrier spacing, and Rr denotes the reference resource spacing. The terminal U1 calculates the reference power threshold corresponding to the resource interval Rt, the transmission subcarrier interval St, the reference resource interval Rr and the reference subcarrier interval St
Figure BDA0002010611650000184
Threshold value of power difference P obtainedthrThe following equation can be satisfied:
Figure BDA0002010611650000185
wherein, C4Is an integer or real number and log represents a logarithm to the base of 2, a natural constant e, or 10. Alternatively, the terminal U1 may be configured to transmit the data according to the resource interval Rt, the transmission subcarrier spacing St, and the reference inter-resource intervalReference power threshold corresponding to distance Rr and reference subcarrier spacing Sr
Figure BDA0002010611650000186
Threshold value of power difference P obtainedthrThe following equation can be satisfied:
Figure BDA0002010611650000187
wherein, C5M ^ represents a power with m as the base, wherein m can be an integer (such as 1, 2, 10, etc.) or a natural constant e, etc.
According to the method for configuring the reference resource spacing under the corresponding reference subcarrier spacing, the content of configuration information can be reduced, and the configuration overhead is reduced.
At the above reference power difference threshold
Figure BDA0002010611650000188
In another alternative embodiment having a correspondence with the reference resource spacing Rr and the reference subcarrier spacing St, the correspondence is predefined. In connection with the example of table 6, the power difference threshold illustrated in this example is predefined in relation to the reference resource spacing and the transmission subcarrier spacing.
TABLE 6
Figure BDA0002010611650000189
At the above reference power difference threshold
Figure BDA00020106116500001810
In another alternative embodiment having a correspondence relationship with the reference resource spacing Rr and the reference subcarrier spacing St, the correspondence relationship may be as shown in table 7.
Optionally, the terminal may select a reference resource interval Rri (i takes a value of 1, 2.., N) closest to the resource interval Rt to calculate a power difference threshold corresponding to the resource interval Rt. For example if
Figure BDA00020106116500001811
If the value of (3) is the minimum, the reference resource interval Rri is selected to calculate the power difference threshold corresponding to the resource interval Rt.
TABLE 7
Figure BDA00020106116500001812
In case that the above-mentioned transmission subcarrier spacing St is identical to the above-mentioned reference subcarrier spacing Sr, the terminal U1 may depend on the power difference threshold PthrObtaining the power difference threshold P according to the corresponding relation between the reference resource distance Rr and the reference power difference thresholdthr
In the case where the transmission subcarrier spacing St differs from the reference subcarrier spacing Sr, the terminal U1 may determine the power difference threshold P at the transmission subcarrier spacing St based on the transmission subcarrier spacing St and a reference power difference threshold corresponding to the reference subcarrier spacing Sr and the reference resource spacing RrthrCorresponding to the transmission resource interval Rt, the terminal U1 can be based on the power difference threshold PthrThe power difference threshold value P is obtained from the correspondence relationship among the transmission resource interval Rt, the transmission subcarrier interval St, and the reference subcarrier interval Sr and the reference resource interval Rrthr
In another alternative implementation manner of the above 320, the terminal U1 obtains the power difference threshold P according to the resource spacing Rt, the reference resource spacing range Rrr, the transmission subcarrier spacing St and the reference subcarrier spacing Srthr. Wherein the resource interval Rt is an interval between resources of the uplink data and resources of the sidelink data, the transmission subcarrier interval St is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold P is set to be smaller than the power difference threshold PthrAnd the reference resource spacing range Rrr has a corresponding relation with the reference resource spacing range. The correspondence may be predefined or may be configured or indicated by the network device or other terminal. This correspondence can be understood as the power difference threshold P at the above-mentioned reference subcarrier spacing SrthrThe reference subcarrier spacing Sr may be predefined, or may be configured or indicated by a network device or other terminal, according to the corresponding relationship with the reference resource spacing range Rrr. It is to be understood that the reference subcarrier spacing in the embodiments of the present application may be understood as a subcarrier spacing used for reference or serving as a reference, and a resource spacing range at other subcarrier spacings may be determined according to the reference subcarrier spacing, or a power difference threshold at other subcarrier spacings may be determined according to the reference subcarrier spacing. The reference resource spacing range in the embodiment of the present application may be understood as a resource spacing range used for reference or serving as a reference, and other resource spacing ranges may be determined according to the reference resource spacing range, or power difference thresholds corresponding to other resource spacing ranges may be determined according to the reference resource spacing range.
In the case where the transmission subcarrier spacing St is the same as the reference subcarrier spacing Sr and the reference resource spacing range Rrr includes the resource spacing Rt, the terminal U1 may depend on a power difference threshold PthrObtaining the power difference threshold P according to the corresponding relation with the reference resource spacing range Rrrthr
In case the transmission subcarrier spacing St differs from the reference subcarrier spacing Sr, the terminal U1 may determine the power difference threshold P at the transmission subcarrier spacing St in dependence on the transmission subcarrier spacing St, the reference subcarrier spacing Sr and the reference resource spacing range RrrthrHaving a correspondence with a transmission resource spacing range Rtr, and said transmission resource spacing range Rtr including the above-mentioned resource spacing Rt, the terminal U1 may depend on the above-mentioned power difference threshold PthrThe power difference threshold value P is obtained by the corresponding relation with the transmission resource distance range Rtrthr
According to the embodiment, the power difference threshold can be determined according to the resource distribution of different subcarrier intervals and different links, so that the power difference threshold under different subcarrier intervals and different resource distributions can be adaptively adjusted, and the utilization efficiency of resources is improved. Meanwhile, the content of configuration information can be reduced by configuring the reference resource interval range under the reference subcarrier interval, so that the configuration overhead is reduced.
At the above power difference threshold PthrIn an alternative embodiment having a corresponding relationship with the reference resource spacing range Rrr, in conjunction with section 330 in fig. 3, the configuration information sent by the network device or the terminal U2 to the terminal U1 may be used to configure the power difference threshold PthrA correspondence with the reference resource spacing range Rrr.
For example, the configuration information in section 330 may be used to configure the correspondence between the reference resource spacing range at the reference subcarrier spacing Sr and the power difference threshold as illustrated in table 8, and Rrr0 and Rrr1 illustrated in table 8 represent two reference resource spacing ranges.
In the case where the transmission subcarrier interval St is the same as the reference subcarrier interval Sr, the reference resource interval range Rrrj (j is 0 or 1) in Rrr0 and Rrr1 includes the above-mentioned resource interval Rt, and the terminal U1 will obtain a power difference threshold corresponding to the reference resource interval range Rrrj
Figure BDA0002010611650000191
In the case where the transmission subcarrier spacing St is different from the reference subcarrier spacing Sr, the terminal U1 may determine the transmission resource spacing ranges Rtr0 and Rtr1 and the power difference threshold at the transmission subcarrier spacing St from the transmission subcarrier spacing St, the reference subcarrier spacing Sr, and the reference resource spacing ranges Rrr0 and Rrr1
Figure BDA0002010611650000201
And
Figure BDA0002010611650000202
have the correspondence shown in table 9. The transmission resource spacing range Rtrj (j is 0 or 1) in Rtr0 and Rtr1 includes the above-mentioned resource spacing Rt, and the terminal U1 will obtain the power difference threshold corresponding to the transmission resource spacing range Rtrj
Figure BDA0002010611650000203
For example, the reference resource spacing range Rrrj (j is 0 or 1) is [ Drrj _ min, Drrj _ max ], the transmission resource spacing range Rtrj (j is 0 or 1) is [ Dtrj _ min, Dtrj _ max ], where Drrj _ min and Drrj _ max respectively represent the minimum value and the maximum value of the reference resource spacing in the reference resource spacing range Rrrj, and Dtrj _ min and Dtrj _ max respectively represent the minimum value and the maximum value of the transmission resource spacing in the transmission resource spacing range Rtrj. The Dtrj _ min and Dtrj _ max satisfy the following equation:
dtrj _ min Drrj _ min | Sr-St |, Dtrj _ max Drrj _ max | Sr-St |; alternatively, the first and second electrodes may be,
dtrj _ min ═ Drrj _ min ÷ Sr-St |, Dtrj _ max ═ Drrj _ max ÷ | Sr-St |; alternatively, the first and second electrodes may be,
Dtrj_min=Drrj_min*2|Sr-St|,Dtrj_max=Drrj_max*2|Sr-St|(ii) a Alternatively, the first and second electrodes may be,
Dtrj_min=Drrj_min÷2|Sr-St|,Dtrj_max=Drrj_max÷2|Sr-St|
it is to be understood that the functional relationships between Dtrj _ min and Drrj _ min and between Dtrj _ max and Drrj _ max may be predefined, or may be configured or indicated by a network device or other terminal.
At the above power difference threshold PthrIn another alternative embodiment having a correspondence with the reference resource spacing range Rrr, the correspondence is predefined. In connection with the example of table 8, the correspondence of the power difference threshold to the reference resource spacing range is predefined as illustrated in this example.
TABLE 8
Figure BDA0002010611650000204
TABLE 9
Figure BDA0002010611650000205
In another alternative implementation manner of the above 320, the terminal U1 obtains the power difference threshold P according to the resource spacing Rt, the reference resource spacing range Rrr, the transmission subcarrier spacing St and the reference subcarrier spacing Srthr. Wherein, the reference resource spacing range Rrr and the reference sub-resourceCarrier interval Sr corresponding to reference power difference threshold
Figure BDA0002010611650000206
At the above reference power difference threshold
Figure BDA0002010611650000207
In an alternative embodiment having a corresponding relationship between the reference resource spacing range Rrr and the reference subcarrier spacing Sr, in conjunction with section 330 in fig. 3, the configuration information sent by the network device or terminal U2 to the terminal U1 may be used to configure the power difference threshold mentioned above
Figure BDA0002010611650000208
A correspondence relationship with the reference resource spacing range Rrr and the reference subcarrier spacing Sr.
For example, the configuration information in section 330 may be used to configure the correspondence between the reference resource spacing range and the power difference threshold at the reference subcarrier spacing Sr indicated in table 10, where Rrr indicates the reference resource spacing range and Sr indicates the reference subcarrier spacing indicated in table 10.
Optionally, according to the correspondence between the reference resource spacing range and the reference power difference threshold, one or more reference power difference thresholds corresponding to the other one or more reference resource spacing ranges and the other one or more reference resource spacing ranges may be obtained. For example, the determination may be made as follows.
And taking the reference resource spacing range Rrr as [ Rrr _ min, Rrr _ max ], wherein Rrr _ min and Rrr _ max respectively represent the minimum value and the maximum value of the reference resource spacing in the reference resource spacing range Rrr. One or more additional reference resource spacing ranges may be determined from the reference resource spacing range, such as an additional reference resource spacing range Rrri of [ Rrri _ min, Rrri _ max ], where i may take on a value of 0, 1.
Wherein, the Rrri _ min and Rrri _ max may satisfy the following formula:
rrri _ min ═ Rrr _ max + i (Rrr _ max-Rrr _ min), Rrri _ max ═ Rrr _ max + (i +1) (Rrr _ max-Rrr _ min); alternatively, the first and second electrodes may be,
Rrri_max=Rrr_min-i*(Rrr_max-Rrr_max),Rrri_min=Rrr_min-(i+1)*(Rrr_max-Rrr_max);。
it is to be understood that the functional relationship between Rrri _ min and Rrr _ max and Rrr _ min, and the functional relationship between Rrri _ max and Rrr _ min may be predefined, or may be configured or indicated by a network device or other terminal.
In addition, a reference power difference threshold corresponding to the reference resource spacing range Rrri
Figure BDA0002010611650000211
Can be based on the reference resource spacing range Rrr and the reference power threshold
Figure BDA0002010611650000212
Determining, the reference power difference threshold
Figure BDA0002010611650000213
A reference resource spacing range Rrri, a reference resource spacing range Rrr and a reference power threshold
Figure BDA0002010611650000214
Have a corresponding relationship. The correspondence may be predefined or may be configured or indicated by a network device or other terminal. Wherein i can take the value of 0, 1. Wherein N is a positive integer.
For example, the terminal U1 calculates the reference power difference threshold according to the reference resource spacing range Rrri and the reference resource spacing range Rrr, and the reference power difference threshold
Figure BDA0002010611650000215
Difference threshold of obtained power
Figure BDA0002010611650000216
The following equation can be satisfied:
Figure BDA0002010611650000217
wherein, C6Is an integer or an integerNumber, log denotes the logarithm to the base of 2, the natural constant e, or 10. Alternatively, the terminal U1 calculates the reference power difference threshold according to the reference resource spacing range Rrri and the reference resource spacing range Rrr, and the reference power difference threshold
Figure BDA0002010611650000218
Difference threshold of obtained power
Figure BDA0002010611650000219
The following equation can be satisfied:
Figure BDA00020106116500002110
wherein, C7M ^ represents a power with m as the base, wherein m can be an integer (such as 1, 2, 10, etc.) or a natural constant e, etc.
In addition, a reference power difference threshold corresponding to the reference resource spacing range Rrri
Figure BDA00020106116500002111
May be based on a reference power threshold
Figure BDA00020106116500002112
Determining, the reference power difference threshold
Figure BDA00020106116500002113
And a reference power threshold
Figure BDA00020106116500002114
Have a corresponding relationship. The correspondence may be predefined or may be configured or indicated by a network device or other terminal. Wherein i can take the value of 0, 1. Wherein N is a positive integer.
For example, the terminal U1 calculates the reference power difference threshold according to the reference resource spacing range Rrri and the reference resource spacing range Rrr, and the reference power difference threshold
Figure BDA00020106116500002115
Gained workThreshold of rate difference
Figure BDA00020106116500002116
The following equation can be satisfied:
Figure BDA00020106116500002117
wherein, C8Either an integer or a real number. Alternatively, the terminal U1 calculates the reference power difference threshold according to the reference resource spacing range Rrri and the reference resource spacing range Rrr, and the reference power difference threshold
Figure BDA00020106116500002118
Difference threshold of obtained power
Figure BDA00020106116500002119
The following equation can be satisfied:
Figure BDA00020106116500002120
wherein, C9Either an integer or a real number.
Optionally, through the correspondence between the reference resource spacing range and the reference power difference threshold (as shown in table 10), the following content in table 11 can be obtained, that is, one or more reference resource spacings and corresponding one or more reference power difference thresholds can be determined according to one reference resource spacing and corresponding one reference power difference threshold. Specifically, reference may be made to the above-mentioned modes, or other modes may also be adopted, and specifically, the present application is not limited thereto.
According to the method for configuring the reference resource spacing range, the content of configuration information can be reduced, and therefore configuration overhead is reduced.
In the case that the transmission subcarrier interval St is the same as the reference subcarrier interval Sr, the reference resource interval range (i may be 0, 1, 2.., N) in Rrri includes the above resource interval Rt, and the terminal U1 will obtain a power difference threshold corresponding to the reference resource interval range Rrri
Figure BDA0002010611650000221
In the case where the transmission subcarrier spacing St differs from the reference subcarrier spacing Sr, the terminal U1 may determine the transmission resource spacing range Rtri and the power difference threshold at the transmission subcarrier spacing St from the transmission subcarrier spacing St, the reference subcarrier spacing Sr, and the reference resource spacing range Rrri
Figure BDA0002010611650000222
Have the correspondence shown in table 12. The transmission resource interval range Rtri (i is 0, 1.., N) in Rtri includes the above-mentioned resource interval Rt, and the terminal U1 will obtain a power difference threshold corresponding to the transmission resource interval range Rtri
Figure BDA0002010611650000223
Optionally, the power difference threshold corresponding to the transmission subcarrier spacing and the transmission resource spacing range may be obtained according to a correspondence between the reference subcarrier spacing, the reference resource spacing range, and the reference power difference threshold. Optionally, by referring to the correspondence between the subcarrier spacing, the reference resource spacing range and the reference power difference threshold (as shown in table 11), the content in table 12 below, that is, the power difference threshold corresponding to the transmission subcarrier spacing and the transmission resource spacing range, can be obtained. For example, the determination may be made as follows. Alternatively, other modes may be adopted, and the present application is not limited to this.
Take the reference resource spacing range Rrri (i is 0, 1,., N) as [ dri _ min, dri _ max ], and the transmission resource spacing range Rtri (i is 0, 1,.., N) ] as [ Dtri _ min, Dtri _ max ], where dri _ min and dri _ max represent the minimum and maximum values of the reference resource spacing in the reference resource spacing range Rrri, respectively, and Dtri _ min and Dtri _ max represent the minimum and maximum values of the transmission resource spacing in the transmission resource spacing range Rtri, respectively. The above-mentioned Dtri _ min and Dtri _ max may satisfy the following formula:
dtri _ min ═ Drri _ min | Sr-St |, Dtri _ max ═ Drri _ max | Sr-St |; alternatively, the first and second electrodes may be,
dtri _ min ═ dri _ min ÷ Sr-St |, Dtri _ max ═ dri _ max ÷ | Sr-St |; alternatively, the first and second electrodes may be,
Dtri_min=Drri_min*2|Sr-St|,Dtri_max=Drri_max*2|Sr-St|(ii) a Alternatively, the first and second electrodes may be,
Dtri_min=Drri_min÷2|Sr-St|,Dtri_max=Drri_max÷2|Sr-St|
it is to be understood that the functional relationships between Dtri _ min and dri _ min and between Dtri _ max and dri _ max may be predefined, or may be configured or indicated by a network device or other terminal.
Optionally, the power difference threshold corresponding to the transmission subcarrier interval and the transmission resource spacing range is the same as the reference power difference threshold. That is, the power difference threshold corresponding to the transmission resource spacing range Rtri at the transmission subcarrier interval is equal to the power difference threshold corresponding to the reference resource spacing range Rrri at the reference subcarrier interval.
Optionally, by referring to the subcarrier spacing, the reference resource spacing range, and the corresponding relationship of the reference power difference threshold (as shown in table 10), the content in table 12 below, that is, the power difference threshold corresponding to the transmission subcarrier spacing and the transmission resource spacing range, can be obtained. Specifically, reference may be made to the above-mentioned modes, or other modes may also be adopted, and specifically, the present application is not limited thereto.
At the above power difference threshold
Figure BDA0002010611650000224
In another alternative embodiment having a correspondence with the reference resource spacing range Rrr, the correspondence is predefined. In connection with the example of table 10, the correspondence of the power difference threshold to the reference resource spacing range is predefined as illustrated by this example.
Watch 10
Figure BDA0002010611650000225
TABLE 11
Figure BDA0002010611650000226
TABLE 12
Figure BDA0002010611650000231
With reference to fig. 3, in the above embodiment of the present application, optionally, the method may further include 340: the terminal U1 reports the power difference capability and/or the resource separation capability to the network device or terminal U2, which the network device or terminal U2 receives.
The power difference capability may include one or more of the following: the maximum power difference supported by the uplink and the sidelink (which may also be understood as the maximum power difference supported by the uplink and the sidelink on the same time domain resource), the minimum power difference supported by the uplink and the sidelink (which may also be understood as the minimum power difference supported by the uplink and the sidelink on the same time domain resource), or the power difference supported by the uplink and the sidelink (which may also be understood as the power difference supported by the uplink and the sidelink on the same time domain resource).
The resource spacing capability includes one or more of the following: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
After receiving the power difference capability and/or the resource separation capability, the network device or the terminal U2 may allocate uplink power and/or sidelink power to the terminal U1 according to the power difference capability and/or the resource separation capability, thereby improving the utilization efficiency of the power resource.
Fig. 5 is an interaction diagram of another communication method provided in the embodiment of the present application. As shown in fig. 5, the method of this embodiment may include:
part 500: the terminal U1 reports the power difference capability and/or the resource separation capability to the network device or terminal U2, which the network device or terminal U2 receives. For a detailed description of the power difference capability and the resource spacing capability, reference may be made to the description of section 340 in fig. 3.
Part 510: the network device or terminal U2 transmits power control information to terminal U1, which terminal U1 receives, including power parameters for determining uplink power and sidelink power. The power parameters may include one or more of the following parameters: a closed-loop power parameter, or an open-loop power parameter, etc., wherein the number of the closed-loop power parameters may be one or more, and the number of the open-loop power parameters may be one or more. The closed-loop power parameter may refer to a power parameter in closed-loop power calculation, such as a power control signaling in a physical layer signaling, and specifically, may be a Transmission Power Control (TPC) signaling in downlink control information, for example. The open-loop power parameter may refer to a power parameter in the open-loop power calculation, such as a path loss compensation factor, a maximum transmission power of a terminal, and the like. The closed-loop power control may refer to that the transmitting end controls the transmitting power according to feedback information sent by the receiving end. Open loop power control may refer to power control based on its own measurements without feedback information from the receiving end.
Part 520: the terminal U1 determines the uplink power and the sidelink power according to the power control information, i.e. the terminal U1 determines the uplink power for transmitting the uplink data and the sidelink power for transmitting the sidelink data according to the power parameter in the power control information.
Part 530: terminal U1 transmits uplink data to the network device based on the uplink power and transmits sidelink data to terminal U2 based on the sidelink power. Correspondingly, the network device receives uplink data from terminal U1, and terminal U2 receives sidelink data from terminal U1.
By the method, the network equipment or other terminals can allocate proper power parameters to the terminals according to the power difference capability and/or the resource spacing capability reported by the terminals, so that the uplink power and the sidelink power determined by the terminals based on the power parameters can overcome index constraints when the transmission links are shared, the concurrence of uplink data and sidelink data is realized, and the transmission efficiency is further improved.
Fig. 6 is an interaction diagram of another communication method provided in the embodiment of the present application. As shown in fig. 6, the method of this embodiment may include:
part 600: terminal U1 based on power difference threshold PthrA power headroom is determined. Optionally, the power headroom includes one or more of: uplink power headroom
Figure BDA0002010611650000241
Uplink minimum power headroom
Figure BDA0002010611650000242
Uplink maximum power margin
Figure BDA0002010611650000243
Sidelink power headroom
Figure BDA0002010611650000244
Sidelink minimum power headroom
Figure BDA0002010611650000245
Or sidelink maximum power margin
Figure BDA0002010611650000246
The power headroom in this application may also be referred to as headroom power, Power Headroom Report (PHR), power redundancy, redundant power, remaining power, or power surplus. With respect to the power difference threshold PthrReference may be made to the description of the power difference threshold in the method illustrated in fig. 3, and the description is not repeated here.
Part 610: and the terminal U1 reports the power headroom to the network equipment and/or the terminal U2. In a possible implementation, the terminal U1 reports the power headroom to the network device through PUSCH or PUCCH. In another possible implementation, terminal U1 reports the power headroom to terminal U2 via psch, PSCCH, PSDCH, PSBCH, or PSFCH. In yet another possible implementation, terminal U1 reports the power headroom to network device via PUSCH or PUCCH, and reports the power headroom to terminal U2 via psch, PSCCH, PSDCH, PSBCH, or PSFCH.
By the method, the terminal can determine the reported power margin according to the power difference threshold, so that the reported power margin is more accurate.
Alternatively, the method illustrated in fig. 6 may be implemented in combination with the method illustrated in fig. 3, i.e., the portions 600 and 610 in fig. 6 may be performed in the method illustrated in fig. 3. It is understood that in the method illustrated in fig. 3, the execution sequence of the 600 parts and the 610 parts may be after the 320 parts, but the present application does not limit the execution sequence between the 300 parts and the 310 parts and the 600 parts and the 610 parts.
In section 600, optionally, terminal U1 is based on a power difference threshold PthrDetermining uplink power headroom
Figure BDA0002010611650000247
In one possible implementation, the terminal U1 is based on a power difference threshold PthrUplink power PULAnd sidelink power PSLDetermining uplink power headroom
Figure BDA0002010611650000248
The uplink power headroom
Figure BDA0002010611650000249
The following equation can be satisfied:
Figure BDA00020106116500002410
in another possible implementation, the terminal U1 is based on a power difference threshold PthrUplink power PULSidelink power PSLAnd maximum transmission power PU of terminalEmaxDetermining uplink power headroom
Figure BDA00020106116500002411
Wherein, the maximum transmission power PU of the terminalEmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The uplink power headroom
Figure BDA00020106116500002412
The following equation may be satisfied, where min { x, y } represents the smaller of x and y:
Figure BDA00020106116500002413
in yet another possible implementation, the terminal U1 is based on a power difference threshold PthrUplink power PULSidelink power PSLAnd maximum uplink power PULmaxDetermining uplink power headroom
Figure BDA00020106116500002414
Wherein the maximum uplink power PULmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The uplink power headroom
Figure BDA00020106116500002415
The following equation can be satisfied:
Figure BDA00020106116500002416
in section 600, optionally, terminal U1 is based on a power difference threshold PthrDetermining sidelink power headroom
Figure BDA00020106116500002417
In one possible implementation, the terminal U1 is based on a power difference threshold PthrUplink power PULAnd sidelink power PSLDetermining sidelink power headroom
Figure BDA00020106116500002418
The sidelink power headroom
Figure BDA00020106116500002419
The following equation can be satisfied:
Figure BDA0002010611650000251
in another possible implementation, the terminal U1 is based on a power difference threshold PthrUplink power PULSidelink power PSLAnd maximum transmission power PU of terminalEmaxDetermining sidelink power headroom
Figure BDA0002010611650000252
Wherein, the maximum transmission power PU of the terminalEmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The sidelink power headroom
Figure BDA0002010611650000253
The following equation can be satisfied:
Figure BDA0002010611650000254
in yet another possible implementation, the terminal U1 is based on a power difference threshold PthrUplink power PULSidelink power PSLAnd maximum sidelink power PSLmaxDetermining sidelink power headroom
Figure BDA0002010611650000255
Wherein the maximum sidelink power PSLmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The sidelink power headroom
Figure BDA0002010611650000256
The following equation can be satisfied:
Figure BDA0002010611650000257
in section 600, optionally, terminal U1 is based on a power difference threshold PthrDetermining uplink minimum power headroom
Figure BDA0002010611650000258
The uplink minimum power headroom
Figure BDA0002010611650000259
It can be understood that the sidelink employs the minimum power PSLminThe power headroom of the uplink. In one possible implementation, the terminal U1 is based on a power difference threshold PthrSidelink minimum power PSLminAnd uplink power PULDetermining the uplink minimum power headroom
Figure BDA00020106116500002510
Wherein the sidelink minimum power PSLminMay be predefined or may be configured or indicated by the network device or terminal U2. The uplink minimum power headroom
Figure BDA00020106116500002511
The following equation can be satisfied:
Figure BDA00020106116500002512
in another possible implementation, the terminal U1 is based on a power difference threshold PthrSidelink minimum power PSLminUplink power PULAnd maximum transmission power PU of terminalEmaxDetermining the uplink minimum power headroom
Figure BDA00020106116500002513
Wherein, the maximum transmission power PU of the terminalEmaxMay be predefined or may be configured or indicated by the network device or terminal U2. Sidelink minimum power PSLminMay be predefined or may be configured or indicated by the network device or terminal U2. The uplink minimum powerBalance of
Figure BDA00020106116500002514
The following equation can be satisfied:
Figure BDA00020106116500002515
in yet another possible implementation, the terminal U1 is based on a power difference threshold PthrSidelink minimum power PSLminUplink power PULAnd maximum uplink power PULmaxDetermining the uplink minimum power headroom
Figure BDA00020106116500002516
Wherein the maximum uplink power PULmaxMay be predefined or may be configured or indicated by the network device or terminal U2. Sidelink minimum power PSLminMay be predefined or may be configured or indicated by the network device or terminal U2. The uplink minimum power headroom
Figure BDA00020106116500002517
The following equation can be satisfied:
Figure BDA00020106116500002518
in section 600, optionally, terminal U1 is based on a power difference threshold PthrDetermining uplink maximum power margin
Figure BDA00020106116500002519
The uplink maximum power margin
Figure BDA00020106116500002520
It can be understood that the sidelink adopts the maximum power PSLmaxThe power headroom of the uplink. In one possible implementation, the terminal U1 is based on a power difference threshold PthrSidelink maximum power PSLmaxAnd uplink power PULDetermining the uplink maximum power margin
Figure BDA00020106116500002521
Wherein, the sidelink maximum power PSLmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The uplink maximum power margin
Figure BDA0002010611650000261
The following equation can be satisfied:
Figure BDA0002010611650000262
in another possible implementation, the terminal U1 is based on a power difference threshold PthrSidelink maximum power PSLmaxUplink power PULAnd maximum transmission power P of terminalUEmaxDetermining the uplink maximum power margin
Figure BDA0002010611650000263
Wherein, the terminal maximum transmission power PUEmaxMay be predefined or may be configured or indicated by the network device or terminal U2. Sidelink maximum power PSLmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The uplink maximum power margin
Figure BDA0002010611650000264
The following equation can be satisfied:
Figure BDA0002010611650000265
in yet another possible implementation, the terminal U1 is based on a power difference threshold PthrSidelink maximum power PSLmaxUplink power PULAnd maximum uplink power PULmaxDetermining the uplink maximum power margin
Figure BDA0002010611650000266
Wherein the maximum uplink power PULmaxMay be predefined or may be configured or indicated by the network device or terminal U2. Sidelink maximum power PSLmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The uplink maximum power margin
Figure BDA0002010611650000267
The following equation can be satisfied:
Figure BDA0002010611650000268
in section 600, optionally, terminal U1 is based on a power difference threshold PthrDetermining sidelink minimum power headroom
Figure BDA0002010611650000269
The sidelink minimum power margin
Figure BDA00020106116500002610
It can be understood that the uplink uses the minimum power PULminPower headroom of the time sidelink. In one possible implementation, the terminal U1 is based on a power difference threshold PthrUplink minimum power PULminAnd sidelink power PSLDetermining the sidelink minimum power headroom
Figure BDA00020106116500002611
Wherein the uplink minimum power PULminMay be predefined or may be configured or indicated by the network device or terminal U2. The sidelink minimum power headroom
Figure BDA00020106116500002612
The following equation can be satisfied:
Figure BDA00020106116500002613
in another possible implementation, the terminal U1 is based on a power difference threshold PthrUplink minimum power PULminSidelink power PSLAnd maximum transmission power P of terminalUEmaxDetermining the sidelink minimum power headroom
Figure BDA00020106116500002614
Wherein, the terminal maximum transmission power PUEmaxMay be predefined or may be configured or indicated by the network device or terminal U2. Uplink minimum power PULminMay be predefined or may be configured or indicated by the network device or terminal U2. The sidelink minimum power headroom
Figure BDA00020106116500002615
The following equation can be satisfied:
Figure BDA00020106116500002616
in yet another possible implementation, the terminal U1 is based on a power difference threshold PthrUplink minimum power PULminSidelink power PSLAnd maximum sidelink power PSLmaxDetermining the sidelink minimum power headroom
Figure BDA00020106116500002617
Wherein the maximum sidelink power PSLmaxMay be predefined or may be configured or indicated by the network device or terminal U2. Uplink minimum power PULminMay be predefined or may be configured or indicated by the network device or terminal U2. The sidelink minimum power headroom
Figure BDA00020106116500002618
The following equation can be satisfied:
Figure BDA00020106116500002619
in section 600, optionally, terminal U1 is based on a power difference threshold PthrDetermining sidelink maximum power margin
Figure BDA0002010611650000271
The sidelink maximum power margin
Figure BDA0002010611650000272
It can be understood that the uplink employs the maximum power PULmaxPower headroom of the time sidelink. In one possible implementation, the terminal U1 is based on a power difference threshold PthrUplink maximum power PULmaxAnd sidelink power PSLDetermining the sidelink maximum power margin
Figure BDA0002010611650000273
Wherein the uplink maximum power PULmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The sidelink maximum power margin
Figure BDA0002010611650000274
The following equation can be satisfied:
Figure BDA0002010611650000275
in another possible implementation, the terminal U1 is based on a power difference threshold PthrUplink maximum power PULmaxSidelink power PSLAnd maximum transmission power P of terminalUEmaxDetermining the sidelink maximum power margin
Figure BDA0002010611650000276
Wherein, the terminal maximum transmission power PUEmaxMay be predefined or may be configured or indicated by the network device or terminal U2. Maximum uplink power PULmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The sidelink maximum power margin
Figure BDA0002010611650000277
The following equation can be satisfied:
Figure BDA0002010611650000278
in yet another possible implementation, the terminal U1 is based on a power difference threshold PthrUplink maximum power PULmaxSidelink power PSLAnd maximum sidelink power PSLmaxDetermining the sidelink maximum power margin
Figure BDA0002010611650000279
Wherein the maximum sidelink power PSLmaxMay be predefined or may be configured or indicated by the network device or terminal U2. Maximum uplink power PULmaxMay be predefined or may be configured or indicated by the network device or terminal U2. The sidelink maximum power margin
Figure BDA00020106116500002710
The following equation can be satisfied:
Figure BDA00020106116500002711
the correspondence shown in the above tables may be configured or predefined. The values of the information in each table are only examples, and may be configured to other values, which is not limited in the present application. When the correspondence between the information and each parameter is configured, it is not always necessary to configure all the correspondences indicated in each table. For example, in the above table, the correspondence relationship shown in some rows may not be configured. For another example, appropriate modification adjustments, such as splitting, merging, etc., can be made based on the above tables. The names of the parameters in the tables can also adopt other names understandable by the communication equipment, and the values or the expression modes of the parameters can also adopt other values or expression modes understandable by the communication equipment. When the above tables are implemented, other data structures may be used, for example, arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables, or hash tables may be used.
Predefinition in this application may be understood as definition, protocol definition, predefinition, storage, pre-negotiation, pre-configuration, curing, or pre-firing.
The description in this application that a and b satisfy a relationship (which may also be understood as a functional relationship) does not impose a requirement that a and b exactly satisfy the relationship. For example, if the value a 'and the value b exactly satisfy the relationship, the value a obtained by performing an operation of floating-point removal, rounding, or quintet on the value a' may be understood as the relationship that a and b satisfy. It should be understood that the relationship that a and b satisfy may also refer to a relationship that a and b satisfy the relationship after equivalent transformation, which is not limited in the embodiments of the present application. It is further understood that the embodiment of the present application does not limit the specific implementation manner in which a and b satisfy the relationship, for example, the mapping manner may be implemented by a formula, or the mapping manner may be implemented in a table form, or the mapping manner may be implemented in other manners, which is not limited in the embodiment of the present application.
It is to be understood that the method implemented by the communication device in the above-described method embodiments may also be implemented by a component (e.g., an integrated circuit, a chip, etc.) that can be used for the communication device.
Corresponding to the wireless communication method provided by the above method embodiment, the present application embodiment also provides a corresponding communication apparatus (may also be referred to as a communication device), where the communication apparatus includes corresponding modules for executing each part in the above embodiments. The module may be software, hardware, or a combination of software and hardware.
Fig. 7 shows a schematic structural diagram of a communication device. The communication apparatus 700 may be the network device 10 or 20 in fig. 1, or may be the terminal 11, 12, 21, or 22 in fig. 1. The communication apparatus may be configured to implement the method corresponding to the communication device or the node described in the above method embodiment, and specifically, refer to the description in the above method embodiment.
The communication device 700 may comprise one or more processors 701, where the processors 701 may also be referred to as processing units and may implement certain control functions. The processor 701 may be a general-purpose processor or a special-purpose processor, etc. For example, a baseband processor or a central processor. The baseband processor may be used to process communication protocols and communication data, and the central processor may be used to control a communication device (e.g., a base station, a baseband chip, a DU or CU, etc.), execute a software program, and process data of the software program.
In an alternative design, the processor 701 may also store instructions and/or data 703, and the instructions and/or data 703 may be executed by the processor, so that the communication apparatus 700 performs the method corresponding to the communication device described in the above method embodiment.
In an alternative design, the processor 701 may include a transceiver unit to perform receive and transmit functions. The transceiving unit may be a transceiving circuit, or an interface, for example. The circuits or interfaces used to implement the receive and transmit functions may be separate or integrated.
In yet another possible design, communications device 700 may include circuitry that may implement the functionality of transmitting or receiving or communicating in the foregoing method embodiments.
Optionally, the communication device 700 may include one or more memories 702, on which instructions 704 may be stored, and the instructions may be executed on the processor, so that the communication device 700 performs the methods described in the above method embodiments. Optionally, the memory may further store data therein. Optionally, instructions and/or data may also be stored in the processor. The processor and the memory may be provided separately or may be integrated together. For example, the various correspondences described in the above method embodiments may be stored in a memory or in a processor.
The communication device 700 may also include a transceiver 705 and/or an antenna 706. The processor 701 may be referred to as a processing unit and controls a communication apparatus (terminal or network device). The transceiver 705 may be referred to as a transceiver unit, a transceiver, a transceiving circuit or a transceiver, etc. for implementing transceiving functions of the communication device.
In one possible design, an apparatus 700 (e.g., an integrated circuit, a wireless device, a circuit module, a network device, a terminal, etc.) may include a processor 701 and a transceiver 705. The processor 701 obtains a power difference threshold and determines the uplink power and the sidelink power according to the power difference threshold. The transceiver 705 transmits uplink data according to the uplink power and transmits sidelink data according to the sidelink power. Optionally, the difference between the uplink power and the side uplink power is less than or equal to the power difference threshold.
According to the device provided by the embodiment of the application, the terminal can determine the uplink power and the side uplink power according to the power difference threshold, so that the difference value between the uplink power and the side uplink power is smaller than the power difference threshold, the index constraint is overcome when the uplink and the side uplink share the sending link, the concurrence of the uplink data and the side uplink data is realized, and the transmission efficiency is further improved.
In some possible embodiments of the apparatus 700, the processor 701 obtains the power difference threshold according to a resource interval, where the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data, and the power difference threshold has a corresponding relationship with a resource interval range in which the resource interval is located. Optionally, the power difference threshold has a corresponding relationship with a resource interval range where the resource interval is located and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the processor 701 obtains the power difference threshold according to the resource interval and the transmission subcarrier interval.
In some possible embodiments of the apparatus 700, the processor 701 obtains the power difference threshold according to a resource spacing and a reference resource spacing, where the resource spacing is a spacing between resources of the uplink data and resources of the sidelink data, and the power difference threshold has a corresponding relationship with the reference resource spacing. Optionally, the power difference threshold has a corresponding relationship with the reference resource interval and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the processor 701 obtains the power difference threshold according to the resource interval, the reference resource interval, and the transmission subcarrier interval.
In some possible embodiments of the apparatus 700, the processor 701 obtains the power difference threshold according to a resource interval, a reference resource interval range, a transmission subcarrier interval and a reference subcarrier interval, where the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data, the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold has a corresponding relationship with the reference resource interval range.
In some possible embodiments of the apparatus 700, the transceiver 705 reports the power difference capability and/or the resource space capability to the network device. The power difference capability includes one or more of: a maximum power difference supported by the uplink and the sidelink, a minimum power difference supported by the uplink and the sidelink, or a range of power differences supported by the uplink and the sidelink. The resource spacing capability includes one or more of: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
In some possible embodiments of the apparatus 700, the processor 701 determines a power headroom according to the power difference threshold, and the transceiver 705 reports the power headroom to the network device. Optionally, the power headroom comprises an uplink power headroom and/or a sidelink power headroom.
In another possible design, an apparatus 700 (e.g., an integrated circuit, a wireless device, a circuit module, a network device, a terminal, etc.) may include a transceiver 705. The transceiver 705 sends configuration information to the terminal, the configuration information being used to configure the power difference threshold. The transceiver 705 receives uplink data or sidelink data from the terminal, wherein a difference between an uplink power of the uplink data and a sidelink power of the sidelink data is less than or equal to the power difference threshold.
The device provided by the embodiment of the application can enable the terminal to determine the uplink power and the side uplink power according to the power difference threshold value, and enable the difference value of the uplink power and the side uplink power to be smaller than the power difference threshold value, so that index constraints are overcome when the uplink and the side uplink share the sending link, concurrence of uplink data and side uplink data is achieved, and transmission efficiency is improved.
In some possible embodiments of the apparatus 700, the configuration information is configured to configure a corresponding relationship between the power difference threshold and a resource interval range where a resource interval is located, where the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data. Optionally, the configuration information is configured to configure a corresponding relationship between the power difference threshold and a resource interval range where the resource interval is located and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data.
In some possible embodiments of the apparatus 700 described above, the configuration information is used to configure the correspondence between the power difference threshold and the reference resource interval. Optionally, the configuration information is configured to configure a corresponding relationship between the power difference threshold and the reference resource interval and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data.
In some possible embodiments of the apparatus 700 described above, the configuration information is used to configure the correspondence between the power difference threshold and the reference resource distance range.
In some possible embodiments of the apparatus 700 described above, the transceiver 705 receives power difference capabilities and/or resource spacing capabilities from the terminal. The power difference capability includes one or more of: a maximum power difference supported by the uplink and the sidelink, a minimum power difference supported by the uplink and the sidelink, or a range of power differences supported by the uplink and the sidelink. The resource spacing capability includes one or more of: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
In some possible embodiments of the apparatus 700 described above, the transceiver 705 receives a power headroom from the terminal. Optionally, the power headroom comprises an uplink power headroom and/or a sidelink power headroom.
The processors and transceivers described herein may be implemented on Integrated Circuits (ICs), analog ICs, Radio Frequency Integrated Circuits (RFICs), mixed signal ICs, Application Specific Integrated Circuits (ASICs), Printed Circuit Boards (PCBs), electronic devices, and the like. The processor and transceiver may also be fabricated using various IC process technologies, such as Complementary Metal Oxide Semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (PMOS), Bipolar Junction Transistor (BJT), Bipolar CMOS (bicmos), silicon germanium (SiGe), gallium arsenide (GaAs), and the like.
Although in the above description of the embodiments, the communication apparatus is described by taking a network device or a terminal as an example, the scope of the communication apparatus described in the present application is not limited thereto, and the structure of the communication apparatus may not be limited by fig. 5. The communication means may be a stand-alone device or may be part of a larger device. For example, the device may be:
(1) a stand-alone integrated circuit IC, or chip, or system-on-chip or subsystem;
(2) a set of one or more ICs, which optionally may also include storage components for storing data and/or instructions;
(3) an ASIC, such as a modem (MSM);
(4) a module that may be embedded within other devices;
(5) receivers, terminals, smart terminals, cellular phones, wireless devices, handsets, mobile units, in-vehicle devices, network devices, cloud devices, artificial intelligence devices, and the like;
(6) others, and so forth.
Fig. 8 provides a schematic structural diagram of a terminal. The terminal may be adapted for use in the system shown in fig. 1. For convenience of explanation, fig. 8 shows only main components of the terminal. As shown in fig. 8, the terminal 800 includes a processor, a memory, a control circuit, an antenna, and an input-output device. The processor is mainly used for processing communication protocols and communication data, controlling the whole terminal, executing software programs and processing data of the software programs. The memory is used primarily for storing software programs and data. The radio frequency circuit is mainly used for converting baseband signals and radio frequency signals and processing the radio frequency signals. The antenna is mainly used for receiving and transmitting radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, keyboards, etc., are used primarily for receiving data input by a user and for outputting data to the user.
When the user equipment is started, the processor can read the software program in the storage unit, analyze and execute the instruction of the software program, and process the data of the software program. When data needs to be sent wirelessly, the processor performs baseband processing on the data to be sent and outputs baseband signals to the radio frequency circuit, and the radio frequency circuit processes the baseband signals to obtain radio frequency signals and sends the radio frequency signals outwards in the form of electromagnetic waves through the antenna. When data is transmitted to the user equipment, the radio frequency circuit receives a radio frequency signal through the antenna, the radio frequency signal is further converted into a baseband signal and the baseband signal is output to the processor, and the processor converts the baseband signal into the data and processes the data.
Those skilled in the art will appreciate that fig. 8 shows only one memory and processor for ease of illustration. In an actual terminal, there may be multiple processors and memories. The memory may also be referred to as a storage medium or a storage device, and the like, which is not limited in this respect in the embodiment of the present invention.
As an alternative implementation manner, the processor may include a baseband processor and a central processing unit, where the baseband processor is mainly used to process a communication protocol and communication data, and the central processing unit is mainly used to control the whole terminal, execute a software program, and process data of the software program. The processor in fig. 8 integrates the functions of the baseband processor and the central processing unit, and those skilled in the art will understand that the baseband processor and the central processing unit may also be independent processors, and are interconnected through a bus or the like. Those skilled in the art will appreciate that the terminal may include a plurality of baseband processors to accommodate different network formats, a plurality of central processors to enhance its processing capability, and various components of the terminal may be connected by various buses. The baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip. The central processing unit can also be expressed as a central processing circuit or a central processing chip. The function of processing the communication protocol and the communication data may be built in the processor, or may be stored in the storage unit in the form of a software program, and the processor executes the software program to realize the baseband processing function.
In one example, an antenna and a control circuit having a transceiving function can be considered as the transceiving unit 811 of the terminal 800, and a processor having a processing function can be considered as the processing unit 812 of the terminal 800. As shown in fig. 8, the terminal 800 includes a transceiving unit 811 and a processing unit 812. A transceiver unit may also be referred to as a transceiver, a transceiving device, etc. Alternatively, a device for implementing a receiving function in the transceiving unit 811 may be regarded as a receiving unit, and a device for implementing a transmitting function in the transceiving unit 811 may be regarded as a transmitting unit, that is, the transceiving unit 811 includes a receiving unit and a transmitting unit. For example, the receiving unit may also be referred to as a receiver, a receiving circuit, etc., and the sending unit may be referred to as a transmitter, a transmitting circuit, etc. Optionally, the receiving unit and the sending unit may be integrated into one unit, or may be multiple units independent of each other. The receiving unit and the transmitting unit can be in one geographical position or can be dispersed in a plurality of geographical positions.
As shown in fig. 9, another embodiment of the present application provides a communication apparatus (communication device) 900. The communication device may be a terminal (e.g., a terminal in the system of fig. 1) or a component of a terminal (e.g., an integrated circuit, a chip, etc.). The communication apparatus may also be a network device (e.g., the communication apparatus is a base station device that may be applied to the system of fig. 1) or a component of a network device (e.g., an integrated circuit, a chip, etc.). The communication device may also be another communication module, and is configured to implement operations corresponding to the communication device or the node in the embodiment of the method of the present application. The communication device 900 may include: a processing module 902 (processing unit). The communication device 900 may further comprise a transceiver module 901 (transceiver unit) and/or a memory module 903 (memory unit).
In one possible design, one or more of the modules in FIG. 9 may be implemented by one or more processors or by one or more processors and memory; or by one or more processors and transceivers; or by one or more processors, memories, and transceivers, which are not limited in this application. The processor, the memory and the transceiver can be arranged independently or integrated.
The communication device has a function of implementing the terminal described in the embodiment of the present application, for example, the communication device includes a module or a unit or means (means) corresponding to the terminal executing the terminal related steps described in the embodiment of the present application, and the function or the unit or the means (means) may be implemented by software, or implemented by hardware executing corresponding software. Reference may be made in detail to the respective description of the corresponding method embodiments hereinbefore.
Or the communication apparatus has a function of implementing the network device described in the embodiment of the present application, for example, the communication apparatus includes a module or a unit or means (means) corresponding to the network device executing the network device related steps described in the embodiment of the present application, and the function or the unit or the means (means) may be implemented by software or hardware, or may be implemented by hardware executing corresponding software. Reference may be made in detail to the respective description of the corresponding method embodiments hereinbefore.
Optionally, each module in the communication apparatus 900 in this embodiment of the present application may be configured to perform the method described in fig. 3, fig. 5, or fig. 6 in this embodiment of the present application.
In one possible design, an apparatus 900 may include a transceiver module 901 and a processing module 902. The processing module 902 obtains a power difference threshold from which the uplink power and the sidelink power are determined. The transceiver module 901 transmits uplink data according to the uplink power and transmits side link data according to the side link power. Optionally, the difference between the uplink power and the side uplink power is less than or equal to the power difference threshold.
According to the device provided by the embodiment of the application, the terminal can determine the uplink power and the side uplink power according to the power difference threshold, so that the difference value between the uplink power and the side uplink power is smaller than the power difference threshold, the index constraint is overcome when the uplink and the side uplink share the sending link, the concurrence of the uplink data and the side uplink data is realized, and the transmission efficiency is further improved.
In some possible embodiments of the apparatus 900, the processing module 902 obtains the power difference threshold according to a resource interval, where the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data, and the power difference threshold has a corresponding relationship with a resource interval range in which the resource interval is located. Optionally, the power difference threshold has a corresponding relationship with a resource interval range where the resource interval is located and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the processing module 902 obtains the power difference threshold according to the resource interval and the transmission subcarrier interval.
In some possible embodiments of the apparatus 900, the processing module 902 obtains the power difference threshold according to a resource spacing and a reference resource spacing, where the resource spacing is a spacing between a resource of the uplink data and a resource of the sidelink data, and the power difference threshold has a corresponding relationship with the reference resource spacing. Optionally, the power difference threshold has a corresponding relationship with the reference resource interval and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the processing module 902 obtains the power difference threshold according to the resource interval, the reference resource interval, and the transmission subcarrier interval.
In some possible embodiments of the apparatus 900, the processing module 902 obtains the power difference threshold according to a resource interval, a reference resource interval range, a transmission subcarrier interval and a reference subcarrier interval, where the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data, the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold has a corresponding relationship with the reference resource interval range.
In some possible embodiments of the apparatus 900, the transceiver module 901 reports the power difference capability and/or the resource distance capability to the network device. The power difference capability includes one or more of: a maximum power difference supported by the uplink and the sidelink, a minimum power difference supported by the uplink and the sidelink, or a range of power differences supported by the uplink and the sidelink. The resource spacing capability includes one or more of: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
In some possible embodiments of the apparatus 900, the processing module 902 determines a power headroom according to the power difference threshold, and the transceiver module 901 reports the power headroom to the network device. Optionally, the power headroom comprises an uplink power headroom and/or a sidelink power headroom.
In another possible design, an apparatus 900 may include a transceiver module 901. The transceiver module 901 sends configuration information to the terminal, where the configuration information is used to configure a power difference threshold. The transceiver module 901 receives uplink data or side-link data from the terminal, wherein a difference value between an uplink power of the uplink data and a side-link power of the side-link data is smaller than or equal to the power difference threshold.
The device provided by the embodiment of the application can enable the terminal to determine the uplink power and the side uplink power according to the power difference threshold value, and enable the difference value of the uplink power and the side uplink power to be smaller than the power difference threshold value, so that index constraints are overcome when the uplink and the side uplink share the sending link, concurrence of uplink data and side uplink data is achieved, and transmission efficiency is improved.
In some possible embodiments of the apparatus 900, the configuration information is configured to configure a corresponding relationship between the power difference threshold and a resource interval range where a resource interval is located, where the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data. Optionally, the configuration information is configured to configure a corresponding relationship between the power difference threshold and a resource interval range where the resource interval is located and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data.
In some possible embodiments of the apparatus 900, the configuration information is used to configure the correspondence between the power difference threshold and the reference resource interval. Optionally, the configuration information is configured to configure a corresponding relationship between the power difference threshold and the reference resource interval and a transmission subcarrier interval, where the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data.
In some possible embodiments of the apparatus 900, the configuration information is used to configure the correspondence between the power difference threshold and the reference resource distance range.
In some possible embodiments of the apparatus 900, the transceiver module 901 receives the power difference capability and/or the resource spacing capability from the terminal. The power difference capability includes one or more of: a maximum power difference supported by the uplink and the sidelink, a minimum power difference supported by the uplink and the sidelink, or a range of power differences supported by the uplink and the sidelink. The resource spacing capability includes one or more of: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
In some possible embodiments of the apparatus 900, the transceiver module 901 receives the power headroom from the terminal. Optionally, the power headroom comprises an uplink power headroom and/or a sidelink power headroom.
It is understood that some optional features in the embodiments of the present application may be implemented independently without depending on other features in some scenarios, such as a currently-based solution, to solve corresponding technical problems and achieve corresponding effects, or may be combined with other features according to requirements in some scenarios. Accordingly, the apparatuses provided in the embodiments of the present application may also implement these features or functions, which are not described herein again.
Those skilled in the art will also appreciate that the various illustrative logical blocks and steps (step) set forth in the embodiments of the present application may be implemented in electronic hardware, computer software, or combinations of both. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the embodiments of the present application.
The techniques described herein may be implemented by various means. For example, these techniques may be implemented in hardware, software, or a combination of hardware and software. For a hardware implementation, the processing units used to perform these techniques at a communication device (e.g., a base station, a terminal, a network entity, or a chip) may be implemented in one or more general-purpose processors, Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Application Specific Integrated Circuits (ASICs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic, discrete hardware components, or any combinations thereof. A general-purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.
Those of ordinary skill in the art will understand that: the various numbers of the first, second, etc. mentioned in this application are only used for the convenience of description and are not used to limit the scope of the embodiments of this application, but also to indicate the sequence. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one" means one or more. At least two means two or more. "at least one," "any," or similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one (one ) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
The steps of a method or algorithm described in the embodiments herein may be embodied directly in hardware, in a processor executing instructions, or in a combination of the two. The memory may be RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. For example, a memory may be coupled to the processor such that the processor can read information from, and write information to, the memory. Optionally, the memory may also be integrated into the processor. The processor and the memory may be disposed in an ASIC, which may be disposed in the terminal. Alternatively, the processor and the memory may be provided in different components in the terminal.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data package center to another website site, computer, server, or data package center by wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium can be any available medium that can be accessed by a computer or a packet storage device comprising one or more integrated servers, packet centers, and the like. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others. Combinations of the above should also be included within the scope of computer-readable media.
The same or similar parts between the various embodiments in this application may be referred to each other. In the embodiments and the implementation methods/implementation methods in the embodiments in the present application, unless otherwise specified or conflicting in logic, terms and/or descriptions between different embodiments and between various implementation methods/implementation methods in various embodiments have consistency and can be mutually cited, and technical features in different embodiments and various implementation methods/implementation methods in various embodiments can be combined to form new embodiments, implementation methods, or implementation methods according to the inherent logic relationships thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims (25)

1. A method of communication, comprising:
obtaining a power difference threshold;
determining uplink power and side link power according to the power difference threshold;
transmitting uplink data according to the uplink power, and transmitting sidelink data according to the sidelink power.
2. The method of claim 1, wherein the difference between the uplink power and the sidelink power is less than or equal to the power difference threshold.
3. The method of claim 1 or 2, wherein the obtaining a power difference threshold comprises: and obtaining the power difference threshold according to a resource interval, wherein the resource interval is the interval between the resource of the uplink data and the resource of the sidelink data, and the power difference threshold and the resource interval range where the resource interval is located have a corresponding relation.
4. The method of claim 1 or 2, wherein the obtaining a power difference threshold comprises: and obtaining the power difference threshold according to a resource interval and a reference resource interval, wherein the resource interval is the interval between the resources of the uplink data and the resources of the sidelink data, and the power difference threshold and the reference resource interval have a corresponding relation.
5. The method according to claim 3, wherein the power difference threshold corresponds to a resource spacing range in which the resource spacing exists and a transmission subcarrier spacing, wherein the transmission subcarrier spacing is a subcarrier spacing corresponding to the uplink data and the sidelink data;
the obtaining the power difference threshold according to the resource spacing includes: and obtaining the power difference threshold according to the resource spacing and the transmission subcarrier interval.
6. The method of claim 4, wherein the power difference threshold corresponds to the reference resource spacing and a transmission subcarrier spacing, and wherein the transmission subcarrier spacing is a subcarrier spacing corresponding to the uplink data and the sidelink data;
the obtaining the power difference threshold according to the resource spacing and the reference resource spacing includes: and obtaining the power difference threshold according to the resource spacing, the reference resource spacing and the transmission subcarrier interval.
7. The method of claim 1 or 2, wherein the obtaining a power difference threshold comprises: and obtaining the power difference threshold according to a resource interval, a reference resource interval range, a transmission subcarrier interval and a reference subcarrier interval, wherein the resource interval is an interval between a resource of the uplink data and a resource of the sidelink data, the transmission subcarrier interval is a subcarrier interval corresponding to the uplink data and the sidelink data, and the power difference threshold has a corresponding relation with the reference resource interval range.
8. The method according to any one of claims 1-7, further comprising:
reporting power difference capability and/or resource spacing capability to network equipment;
the power difference capability includes one or more of: a maximum power difference supported by the uplink and the sidelink, a minimum power difference supported by the uplink and the sidelink, or a range of power differences supported by the uplink and the sidelink;
the resource spacing capability includes one or more of: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
9. The method according to any one of claims 1-8, further comprising:
and determining the power margin according to the power difference threshold, and reporting the power margin to network equipment.
10. The method of claim 9, wherein the power headroom comprises an uplink power headroom and/or a sidelink power headroom.
11. A method of communication, comprising:
sending configuration information to a terminal, wherein the configuration information is used for configuring a power difference threshold;
and receiving uplink data or side-link data from the terminal, wherein the difference value of the uplink power of the uplink data and the side-link power of the side-link data is less than or equal to the power difference threshold.
12. The method according to claim 11, wherein the configuration information is used to configure a corresponding relationship between the power difference threshold and a resource spacing range in which a resource spacing exists, wherein the resource spacing is a spacing between the resource of the uplink data and the resource of the sidelink data.
13. The method of claim 11, wherein the configuration information is used to configure the power difference threshold corresponding to a reference resource interval.
14. The method according to claim 12, wherein the configuration information is used to configure a correspondence relationship between the power difference threshold and a resource spacing range in which the resource spacing exists and a transmission subcarrier spacing, wherein the transmission subcarrier spacing is a subcarrier spacing corresponding to the uplink data and the sidelink data.
15. The method of claim 13, wherein the configuration information is configured to configure the power difference threshold corresponding to the reference resource interval and a transmission subcarrier spacing, wherein the transmission subcarrier spacing is a subcarrier spacing corresponding to the uplink data and the sidelink data.
16. The method of claim 11, wherein the configuration information is used to configure the power difference threshold in correspondence with a reference resource spacing range.
17. The method according to any one of claims 11-16, further comprising:
receiving a power difference capability and/or a resource spacing capability from the terminal;
the power difference capability includes one or more of: a maximum power difference supported by the uplink and the sidelink, a minimum power difference supported by the uplink and the sidelink, or a range of power differences supported by the uplink and the sidelink;
the resource spacing capability includes one or more of: a maximum resource spacing supported by uplink and sidelink, a minimum resource spacing supported by uplink and sidelink, or a range of resource spacings supported by uplink and sidelink.
18. The method according to any one of claims 11-17, further comprising: receiving a power headroom from the terminal, the power headroom comprising an uplink power headroom and/or a sidelink power headroom.
19. An apparatus, characterized in that the communication apparatus is configured to perform the method according to any of claims 1-10.
20. An apparatus, characterized in that the communication apparatus is configured to perform the method according to any of claims 11-18.
21. An apparatus, comprising: a processor coupled with a memory, the memory to store a program or instructions that, when executed by the processor, cause the communication device to perform the method of any of claims 1-10.
22. An apparatus, comprising: a processor coupled with a memory, the memory to store a program or instructions that, when executed by the processor, cause the communication device to perform the method of any of claims 11-18.
23. A storage medium having stored thereon a computer program or instructions, which when executed cause a computer to perform the method of any one of claims 1-10.
24. A storage medium having stored thereon a computer program or instructions, which when executed cause a computer to perform the method of any one of claims 11-18.
25. A communication system, comprising: the apparatus of claim 21 and the apparatus of claim 22.
CN201910244329.5A 2019-03-28 2019-03-28 Communication method and device Active CN111757449B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910244329.5A CN111757449B (en) 2019-03-28 2019-03-28 Communication method and device
PCT/CN2020/077312 WO2020192360A1 (en) 2019-03-28 2020-02-29 Communication method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910244329.5A CN111757449B (en) 2019-03-28 2019-03-28 Communication method and device

Publications (2)

Publication Number Publication Date
CN111757449A true CN111757449A (en) 2020-10-09
CN111757449B CN111757449B (en) 2022-05-24

Family

ID=72608912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910244329.5A Active CN111757449B (en) 2019-03-28 2019-03-28 Communication method and device

Country Status (2)

Country Link
CN (1) CN111757449B (en)
WO (1) WO2020192360A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022160191A1 (en) * 2021-01-28 2022-08-04 华为技术有限公司 Method and apparatus for determining power

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101902750A (en) * 2009-05-26 2010-12-01 大唐移动通信设备有限公司 Method for adjusting power parameter value and equipment
CN103190196A (en) * 2010-10-13 2013-07-03 诺基亚公司 Selection of communication mode
WO2014180518A1 (en) * 2013-05-08 2014-11-13 Telefonaktiebolaget L M Ericsson (Publ) Improved handling of simultaneous network communication transmission and d2d communication transmission
US20150124737A1 (en) * 2012-07-05 2015-05-07 Lg Electronics Inc. Method for controlling power for device-to-device (d2d) communication in wireless communication system and apparatus for same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101902750A (en) * 2009-05-26 2010-12-01 大唐移动通信设备有限公司 Method for adjusting power parameter value and equipment
CN103190196A (en) * 2010-10-13 2013-07-03 诺基亚公司 Selection of communication mode
US20150124737A1 (en) * 2012-07-05 2015-05-07 Lg Electronics Inc. Method for controlling power for device-to-device (d2d) communication in wireless communication system and apparatus for same
WO2014180518A1 (en) * 2013-05-08 2014-11-13 Telefonaktiebolaget L M Ericsson (Publ) Improved handling of simultaneous network communication transmission and d2d communication transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022160191A1 (en) * 2021-01-28 2022-08-04 华为技术有限公司 Method and apparatus for determining power

Also Published As

Publication number Publication date
WO2020192360A1 (en) 2020-10-01
CN111757449B (en) 2022-05-24

Similar Documents

Publication Publication Date Title
EP3706353B1 (en) Carrier switching method, device and system for multi-carrier communication
CN103583006B (en) Enhancement mode node B and method for configuring extension carrier wave
US11564181B2 (en) Method and apparatus for reporting power headroom report, and method and apparatus for obtaining power headroom report
CN110474735B (en) Communication method and communication device
CN110381576A (en) Power distribution method and device
CN114375034A (en) Power control method and power control device
CN113875295A (en) Method and apparatus for controlling sidelink transmit power in NR V2X
CN114175760A (en) Communication method, device and equipment
KR20210101324A (en) Power control method and device
CN109275190A (en) A kind of communication means and device
CN111756497B (en) Communication method and device
CN111757449B (en) Communication method and device
WO2020192719A1 (en) Beam updating method and communication apparatus
CN116326050A (en) Side-link carrier management method, device and system
CN110831177B (en) Method and device for deactivating carrier or activating carrier
WO2023163835A1 (en) Trp dormancy configuration in a multi-trp network
WO2022147735A1 (en) Method and apparatus for determining sending power
KR20230008798A (en) Method for transmitting and receiving data in a wireless communication system supporting full-duplex communication and apparatus therefor
KR20230006500A (en) Method for transmitting and receiving data in a wireless communication system supporting full-duplex communication and apparatus therefor
CN111757448A (en) Power control method and device
WO2021248960A1 (en) Method and apparatus for determining resource
WO2021244386A1 (en) Signal transmission method and related device therefor
CN111511023B (en) Signal transmission method and device
WO2024044877A1 (en) Techniques to facilitate a default unified tci for dynamic trp switching in multiple trp operation
WO2023206582A1 (en) Methods and apparatus of power boosting for dmrs and ptrs

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant