WO2024099092A1 - Procédé et appareil de rapport de marge de puissance, et terminal, dispositif côté réseau et système - Google Patents

Procédé et appareil de rapport de marge de puissance, et terminal, dispositif côté réseau et système Download PDF

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Publication number
WO2024099092A1
WO2024099092A1 PCT/CN2023/126751 CN2023126751W WO2024099092A1 WO 2024099092 A1 WO2024099092 A1 WO 2024099092A1 CN 2023126751 W CN2023126751 W CN 2023126751W WO 2024099092 A1 WO2024099092 A1 WO 2024099092A1
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WIPO (PCT)
Prior art keywords
phr
resource
terminal
target
resources
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PCT/CN2023/126751
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English (en)
Chinese (zh)
Inventor
孙荣荣
塔玛拉卡·拉盖施
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维沃移动通信有限公司
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Publication of WO2024099092A1 publication Critical patent/WO2024099092A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC 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

Definitions

  • the present application belongs to the field of communication technology, and specifically relates to a power headroom reporting method, device, terminal, network-side equipment and system.
  • PHR Power Headroom Reporting
  • PUSCH Physical Uplink Shared CHannel
  • the power control of multiple panels is independent of each other, but the terminal will only report one power margin to the network-side device based on the traditional PHR triggering and reporting mechanism, making it difficult for the network-side device to perform reasonable power control of multiple resources.
  • the embodiments of the present application provide a power headroom reporting method, apparatus, terminal, network-side equipment and system, which are beneficial for the network-side equipment to reasonably control the power of multiple resources.
  • a power headroom reporting method comprising:
  • the terminal reports relevant information of the power headroom associated with the first resource to the network side device, wherein the first resource is at least one of N target resources in a cell, and N is an integer greater than or equal to 1.
  • a power headroom reporting method comprising:
  • the network side device sends configuration information to the terminal, where the configuration information is used to configure a power headroom reporting PHR triggering mode and/or a PHR reporting mode, and the configuration information includes at least one of the following: a target resource, a target parameter value, and indication information related to the PHR;
  • the network side device receives relevant information of the power headroom associated with the first resource reported by the terminal, wherein the first resource is at least one of N target resources in a cell, and N is an integer greater than or equal to 1.
  • a power headroom reporting device comprising:
  • a terminal sending module configured to report to a network side device information related to a power headroom associated with a first resource, wherein the first resource is at least one of N target resources in a cell, and N is an integer greater than or equal to 1; number.
  • a power headroom reporting device comprising:
  • a network sending module used to send configuration information to the terminal, where the configuration information is used to configure a power headroom reporting PHR triggering mode and/or a PHR reporting mode, where the configuration information includes at least one of the following: a target resource, a target parameter value, and indication information related to the PHR;
  • a network receiving module is used to receive relevant information about the power headroom associated with the first resource reported by the terminal, wherein the first resource is at least one of N target resources in a cell, and N is an integer greater than or equal to 1.
  • a terminal comprising a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the power headroom reporting method as described in the first aspect are implemented.
  • a network side device comprising a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the power headroom reporting method as described in the second aspect are implemented.
  • a power headroom reporting system comprising: a network side device and a terminal, the terminal being used to execute the steps of the power headroom reporting method as described in the first aspect above, and the network side device being used to execute the steps of the power headroom reporting method as described in the second aspect above.
  • a readable storage medium on which a program or instruction is stored.
  • the program or instruction is executed by a processor, the steps of the power headroom reporting method as described in the first aspect are implemented, or the steps of the power headroom reporting method as described in the second aspect are implemented.
  • a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or instruction to implement the power headroom reporting method as described in the first aspect, or to implement the power headroom reporting method as described in the second aspect.
  • a computer program/program product is provided, wherein the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the steps of the power headroom reporting method as described in the first aspect or the second aspect.
  • the terminal reports to the network side device information related to the power headroom associated with at least one target resource (i.e., the first resource) in a cell.
  • the network side device can obtain the power headroom of each of the multiple target resources, and then perform reasonable power control on the multiple target resources respectively.
  • the network side device can obtain the power headroom of each of the target resources, and then perform reasonable power control on only the one target resource.
  • FIG1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG2 is a flow chart of a power headroom reporting method according to an embodiment of the present application.
  • FIG3 is a flow chart of another power headroom reporting method in an embodiment of the present application.
  • FIG4 is a structural block diagram of a power headroom reporting device in an embodiment of the present application.
  • FIG5 is a structural block diagram of another power headroom reporting device in an embodiment of the present application.
  • FIG6 is a structural block diagram of a communication device in an embodiment of the present application.
  • FIG7 is a schematic diagram of the hardware structure of a terminal in an embodiment of the present application.
  • FIG8 is a block diagram of a terminal in an embodiment of the present application.
  • FIG. 9 is a structural block diagram of a network-side device in an embodiment of the present application.
  • first, second, etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by “first” and “second” are generally of the same type, and the number of objects is not limited.
  • the first object can be one or more.
  • “and/or” in the specification and claims represents at least one of the connected objects, and the character “/" generally represents that the objects associated with each other are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • NR new radio
  • FIG1 is a block diagram of a wireless communication system applicable to the embodiment of the present application.
  • the wireless communication system includes a terminal device 11 and a network side device 12.
  • the terminal device 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palm computer, a netbook, an ultra-mobile personal computer (Ultra-mobile Personal Computer, Computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (Augmented Reality, AR), virtual reality (Virtual Reality, VR) equipment, robot, wearable device (Wearable Device), vehicle-mounted equipment (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE), smart home (home equipment with wireless communication function, such as refrigerator, TV, washing machine or furniture, etc.), game console, personal computer (personal computer, PC), teller machine or self-service machine and other terminal side equipment, wearable devices include: smart
  • the network side device 12 may include access network equipment or core network equipment, wherein the access network device 12 may also be called wireless access network equipment, wireless access network (Radio Access Network, RAN), wireless access network function or wireless access network unit.
  • the access network device 12 may include a base station, a WLAN access point (Access Point, AS) or a Wireless Fidelity (Wireless Fidelity, WiFi) node, etc.
  • the base station may be referred to as a Node B (Node B, NB), an Evolved Node B (Evolved Node B, eNB), an access point, a Base Transceiver Station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a Basic Service Set (Basic Service Set, BSS), an Extended Service Set (Extended Service Set, ESS), a home Node B (home Node B, HNB), a home evolved Node B (home evolved Node B), a Transmission Reception Point (Transmission Reception Point, TRP) or other appropriate terms in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary, it should be noted that in the embodiment of the present application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.
  • the core network equipment may include but is not limited to at least one of the following: core network node, core network function, mobility management entity (Mobility Management Entity, MME), access mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF), user plane function (User Plane Function, UPF), policy control function (Policy Control Function, PCF), policy and charging rules function unit (Policy and Charging Rules Function, PCRF), edge application service discovery function (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data storage (Unified Data Repository, UDR), home user server (Home Subscriber Server, HSS), centralized network configuration (CNC), network storage function (Network Repository Function, NRF), network exposure function (Network Exposure Function, NEF), local NEF (Local NEF, or L-NEF), binding support function (Binding Support Function, BSF), application function (Application Function, AF), etc. It should be noted that in
  • the present application proposes to improve the traditional PHR triggering and reporting mechanism, and set an event for triggering PHR for multiple target resources.
  • a PHR event for example: a first PHR event, and for example: a second PHR triggering event associated with the first resource of the N target resources
  • the terminal reports to the network side device the power of one or more target resources.
  • the power headroom related information enables the network side device to reasonably control the power of one or more target resources.
  • FIG. 2 is a flow chart of a power headroom reporting method provided in an embodiment of the present application.
  • the method may include the following steps:
  • Step S201 The terminal reports relevant information of power headroom associated with a first resource to a network-side device, wherein the first resource is at least one of N target resources in a cell, and N is an integer greater than or equal to 1.
  • the terminal reports the relevant information of the power margin associated with the first resource to the network side device according to the set PHR reporting mechanism, wherein the first resource is at least one of the N target resources in a cell.
  • the information related to the power margin of the first resource includes the relevant information of the power margin of the uplink transmission corresponding to the first resource.
  • the terminal is configured with resources 1, 2 and 3 (i.e., three target resources) to jointly realize uplink transmission.
  • the terminal reports the relevant information of the power margin of the uplink transmission corresponding to resources 1, 2 and 3 to the network side device, so that the network side device can realize reasonable power control of resources 1, 2 and 3 respectively.
  • the power headroom reporting method may further include the following steps:
  • the terminal When a power headroom reporting PHR triggering event corresponding to the N target resources occurs, the terminal triggers the PHR of the N target resources.
  • the terminal can set a PHR trigger mechanism and a PHR reporting mechanism for N target resources.
  • the PHR trigger mechanism and the PHR reporting mechanism can be set by the network side device to instruct the terminal, or can be set by the terminal itself, so that the terminal can report the power margin of the N target resources according to the PHR trigger mechanism and the PHR reporting mechanism, so as to support the network side device to perform power control on the N target resources separately.
  • the terminal detects whether there is a power headroom reporting PHR triggering event corresponding to the N target resources.
  • the PHR of the N target resources is triggered, and then the terminal can realize the power headroom reporting of the N target resources according to the PHR reporting mechanism.
  • the terminal receives configuration information sent by the network side device, and the configuration information includes at least one of the following: the target resource, the target parameter value, and indication information related to the PHR; the terminal determines the PHR triggering method and/or the PHR reporting method based on the configuration information.
  • the terminal receives configuration information sent by the network side device, and determines the PHR triggering mode and/or reporting mode according to the configuration information, that is, the network side device instructs the terminal to set the PHR triggering mechanism and/or PHR reporting mechanism.
  • the indication information related to the PHR may include an indication of the triggering conditions (such as the timing duration of the timer, the threshold value, etc.) of the PHR trigger associated with each target resource, an indication of the PHR triggering mode (such as the joint triggering mode or the separate triggering mode), and an indication of the PHR reporting mode (such as the joint reporting or the separate reporting).
  • the joint triggering is also called the common triggering or the joint triggering
  • the joint reporting is also called the common reporting or the joint reporting
  • the separate triggering is also called the joint reporting or the joint reporting.
  • Triggering is also called independent triggering
  • separate reporting is also called independent reporting.
  • the target resource includes at least one of the following:
  • Antenna port group is antenna port group.
  • the SRS resources and SRS resource sets may be SRS resources and SRS resource sets on a target carrier, which is used for uplink transmission by the terminal.
  • the terminal is configured to report the PUSCH power margin associated with different SRS resources and SRS resource sets (the power margins described below all refer to the PUSCH power margin), thereby providing a reference for the network-side device to schedule PUSCH or power control on the target carrier (for terminals that support carrier aggregation function, they can use multiple carriers for uplink transmission simultaneously).
  • the spatial relationship information is used to describe the uplink beam information
  • the transmission configuration indication state (TCI state) is used to describe the downlink beam information
  • the control resource set pool index (Coresetpoolindex) can be used to describe the sending and receiving points (such as antennas, antenna panels, etc.)
  • the antenna port group is used to describe the spatial resources (such as beam information) used by the terminal for uplink transmission.
  • the power margin corresponding to each sending and receiving point or beam is often different. By configuring the terminal to report the power margin of each sending and receiving point or beam, it is beneficial for the network side equipment to perform correct and precise power control.
  • the target parameter value includes at least one of the following:
  • A-1 power change value
  • A-2 the duration of the PHR prohibit timer associated with one or more target resources
  • A-3 the timing duration of the PHR period trigger timer associated with one or more target resources
  • A-4 the duration of the maximum allowed radiation MPE reporting prohibition timer associated with one or more target resources
  • A-5 MPE threshold associated with one or more target resources
  • A-6 a threshold value related to the uplink transmission power of the N target resources
  • A-7 a threshold value associated with the maximum transmit power of the N target resources
  • A-8 Information related to the status of the N target resources.
  • different target resources may be configured with their respective associated target parameter values described in items A-1 to A-5, or different target resources may be configured with commonly associated target parameter values described in items A-1 to A-5.
  • the power change value is used to monitor the power change amplitude of the target resource related to the terminal, which can be expressed as the threshold value of the path loss difference of the target resource related to the terminal measured twice;
  • the PHR prohibition timer is used to prevent the terminal from frequently reporting the power margin, and the timing duration of the PHR prohibition timer can be expressed as the terminal does not The duration for which the power headroom of the relevant target resources can be reported;
  • the PHR period trigger timer can also be used to prevent the terminal from frequently reporting the power headroom, and the timing duration of the PHR period trigger timer can be expressed as the reporting period of the power headroom of the relevant target resources by the terminal;
  • the MPE (Maximum Permissible Exposure) reporting prohibition timer is used to prevent the terminal from frequently reporting MPE, and the timing duration of the MPE reporting prohibition timer can be expressed as the duration for which the terminal cannot report MPE of the relevant target resources;
  • the MPE threshold value is used
  • the terminal determines M parameter values associated with the N target resources, where M is an integer greater than or equal to 1; the terminal determines whether the N target resources trigger an event related to the PHR based on the size relationship between the M parameter values associated with the N target resources and the target parameter value.
  • the parameter value associated with a single target resource may be a parameter value characterizing the properties of the target resource itself, such as the reporting time of PHR (corresponding to items A-2 to A-3), the power backoff value of uplink transmission (corresponding to item A-1), and other parameter values. It may also be a parameter value characterizing the common properties of the target resource and other target resources, such as the sum of the uplink transmission powers of multiple resources (including the target resource and other target resources) in the uplink transmission associated with the target resource (corresponding to item A-6), and other parameter values.
  • the terminal reports to the network side device the relevant information of the power headroom associated with at least one target resource (i.e., the first resource) in a cell.
  • the network side device can obtain the power headroom of each of the multiple target resources, and then perform reasonable power control on the multiple target resources respectively.
  • the network side device can obtain the power headroom of each of the target resources, and then perform reasonable power control on only one target resource.
  • This embodiment describes the situation of PHR joint triggering.
  • the terminal when the first PHR triggering event occurs, the terminal will determine that multiple target resources jointly trigger PHR (that is, multiple target resources jointly trigger an event related to PHR), and then the terminal will report the power margin of all target resources to the network side device.
  • the terminal when a first PHR triggering event occurs, the terminal triggers the PHR of the N target resources;
  • the occurrence of the first PHR triggering event includes at least one of the following:
  • the MPE reporting prohibition timer expires
  • the PMPR measured by the terminal exceeds the MPE threshold
  • the maximum transmit power of the N target resources is less than the relevant threshold value
  • the states of the N target resources are configuration, activation, update or reconfiguration.
  • the terminal is configured with two target resources, panel 1 and panel 2 (it can be understood that the target resources are not limited to panels, and the specific description of the target resources is as follows). If the prohibition timer of panel 1 expires and the prohibition timer of panel 2 has not expired, then under the PHR joint triggering mode, the terminal will determine the PHR joint triggering, and then report the power margin of the PUSCH of panel 1 and panel 2 to the network side device.
  • This embodiment describes the case where PHR is triggered separately.
  • the terminal determines that the first resource triggers PHR alone, and then the terminal reports the power headroom of the PUSCH of the first resource to the network side device.
  • the terminal when a second PHR triggering event associated with a first resource among the N target resources occurs, the terminal triggers the PHR of the first resource, wherein the second PHR triggering event associated with the first resource occurs, including at least one of the following:
  • the PHR prohibit timer associated with the first resource expires
  • the PHR period timer associated with the first resource expires
  • the MPE reporting prohibition timer associated with the first resource expires
  • the PMPR measured by the terminal exceeds the MPE threshold
  • the uplink transmission power backoff value of the first resource exceeds the power change value
  • the maximum transmit power of the first resource is less than a related threshold value
  • the state of the first resource is configuration, activation, update or reconfiguration.
  • the terminal is configured with two target resources, namely panel 1 and panel 2.
  • Panel 1 and panel 2 are associated with the same uplink transmission so that the uplink transmission is an uplink transmission of multiple target resources.
  • the terminal determines whether panel 1 triggers PHR alone, it finds that the sum of the uplink transmission power backoff values (i.e., the sum of the uplink transmission power backoff values between panel 1 and panel 2) exceeds the power change value.
  • the terminal determines that panel 1 triggers PHR alone and needs to report the PUSCH power margin (it can be understood that, regardless of whether PHR is triggered alone or jointly, PHR reporting can include two types: reporting one PHR information or reporting multiple PHR information).
  • the terminal In the process of determining whether panel 1 triggers PHR alone, the terminal will not determine whether panel 2 triggers PHR alone. It will wait until the terminal executes the determination on whether panel 2 triggers PHR alone before determining whether it needs to report the power margin of panel 2, thereby realizing the separate triggering of each target resource.
  • This embodiment describes the situation of PHR joint reporting.
  • the terminal selects an uplink transmission resource from all uplink transmission resources associated with N target resources, and uses the uplink transmission resource to report the PHR information of the N target resources to the network side device.
  • the terminal reports the relevant information of the power headroom associated with each of the N target resources to the network side device on the first uplink resource.
  • the relevant information of the power headroom associated with each of the N target resources can be: PHR information of each of M cells, where M is the number of cells configured by the terminal.
  • one cc (component carrier, also known as cell) can be configured with one or more target resources, and one terminal can be configured with multiple ccs.
  • the terminal can reuse the above-mentioned PHR joint reporting method for one cell. That is, the terminal will report all PHR information of all cells associated with multiple target resources in the PHR joint reporting method.
  • cell A is configured with panel 1
  • cell B is configured with panels 2 and 3.
  • the terminal needs to use one uplink transmission resource to report the PHR information of all target resources of cell A (i.e., the PHR information of panel 1) and the PHR information of all target resources of cell B (i.e., the PHR information of panels 2 and 3) to the network side device, thereby realizing the joint reporting of PHR information of multiple cells.
  • the PHR information of all target resources of cell A i.e., the PHR information of panel 1
  • the PHR information of all target resources of cell B i.e., the PHR information of panels 2 and 3
  • the first uplink resource is any one of the following:
  • B-1 the first uplink transmission resource after triggering PHR
  • B-2 uplink transmission resources associated with a target resource that triggers a PHR
  • B-3 is an uplink transmission resource associated with multiple target resources that trigger PHR.
  • the terminal will use the first uplink transmission resource reached to report the power margin information associated with panel 1 and panel 2 to the network side device, where the uplink transmission resource can be associated with panel 1, panel 2, or both panels 1 and 2.
  • the terminal reports the power headroom information associated with panel 1 and panel 2 using the uplink transmission resource associated with the single target resource (panel 1 or panel 2) that triggered the PHR.
  • the terminal reports the power headroom information associated with panel 1 and panel 2 using the uplink transmission resources associated with the multiple target resources (panel 1 and panel 2) that triggered the PHR.
  • each PHR information includes at least one of the following:
  • C-2 PUSCH power headroom associated with the target resource
  • C-4 PMPR measured by the terminal
  • C-5 Power headroom state.
  • item C-1 is used to indicate the target resource to which the PHR information belongs.
  • the PHR information of panel 1 can be Contains the identification of panel 1, which makes it easier for the network side equipment to identify the PHR information of panel 1;
  • Item C-2 is used for the terminal to directly inform the network side equipment of the power margin of the target resource, which can be expressed as the difference between the maximum transmission power of the target resource and the actual transmission power;
  • Item C-3 is used to inform the maximum transmission power used as a reference for the power margin calculation of the target resource (especially when the uplink transmission of the target resource and other target resources is transmitted simultaneously, or when the target resource is performing uplink transmission at the triggering moment, the maximum transmission power of the target resource needs to be reported), so that the network side equipment has the ability to calculate the power margin of the target resource;
  • Item C-4 is the maximum allowed UE output power reduction value, which is used to determine the maximum output power of the target resource;
  • Item C-5 is used The network side device is supported to perform corresponding power control on the target resource
  • the terminal is configured with panel 1 and panel 2.
  • panel 1 triggers PHR
  • panel 1 is performing uplink transmission (the actual power headroom can be calculated)
  • panel 2 is not performing uplink transmission (only the virtual power headroom can be calculated).
  • the power headroom state of panel 1 is the actual state
  • the power headroom state of panel 2 is the virtual state.
  • the terminal needs to report the power headroom of at least one target resource.
  • the terminal selects an uplink transmission resource associated with at least one target resource from the uplink transmission resources associated with each of the at least one target resource, and uses the at least one uplink transmission resource to report all the power headroom of the at least one target resource to the network side device, which may specifically include the following three methods:
  • Mode 1 The terminal reports the power headroom information associated with the first resource to the network device on the second uplink resource. That is, the terminal uses an uplink transmission resource to report the PHR information associated with a target resource that triggers the PHR to the network device.
  • the second uplink resource is: the first uplink transmission resource associated with a first resource triggering the PHR after the PHR is triggered.
  • the information reported by the terminal to the network side device on the second uplink resource is: PHR information of each cell.
  • the terminal when the terminal is configured with multiple CCs, the above-mentioned method 1 for one cell can be reused. That is, in method 1, the terminal will report all PHR information of the cells associated with each of the multiple first resources.
  • the method 1 is described by taking cell A configured with panel 1 and cell B configured with panels 2 and 3 as an example.
  • panel 2 triggers PHR
  • the terminal uses the uplink transmission resource 2 associated with panel 2 based on method 1 to report the PHR information of panel 2 to the network side device, or the terminal uses the uplink transmission resource 2 to report all PHR information of cell B associated with panel 2 (i.e., the PHR information of panels 2 and 3), but will not report the PHR information of cell A.
  • panel 1 (ie, panel 1) is reported, thereby realizing separate reporting of PHR information of different cells; and when panel 1 triggers PHR, the terminal only reports the PHR information of panel 1 based on mode 1.
  • the terminal reports the relevant information of the power headroom associated with the corresponding target resource to the network side device on the third uplink resource corresponding to each of the N target resources; wherein each of the N target resources
  • the corresponding third uplink resource is: the first N uplink transmission resources respectively associated with the N target resources after the PHR is triggered.
  • the N information reported by the terminal to the network side device on the third uplink resources respectively corresponding to the N target resources are: PHR information of each cell.
  • the uplink transmission resource is associated with only one target resource
  • the terminal uses the uplink transmission resource associated with each target resource to report the power headroom of each target resource based on mode 2. For example, if panel 1 is configured in cell A and panel 2 is configured in cell B, the power headroom of panel 1 is uploaded using uplink transmission resource 1 of panel 1, and the power headroom of panel 2 is uploaded using uplink transmission resource 1 of panel 2, thereby realizing separate reporting of PHR information of different target resources.
  • the terminal reports to the network side device the relevant information of the power margin associated with each of the N target resources on the fourth uplink resources corresponding to each of the N target resources.
  • the fourth uplink resources corresponding to each of the N target resources are: the first N uplink transmission resources respectively associated with the N target resources after the PHR is triggered.
  • the N information reported to the network side device on the fourth uplink resources corresponding to each of the N target resources are: the PHR information of each of the M cells, where M is the number of cells configured by the terminal.
  • the terminal uses one uplink transmission resource to report the PHR information of all target resources for each target resource that triggers PHR. That is to say, in mode 3, the terminal uses the uplink transmission resource of the target resource that triggers PHR to report the power headroom of the target resource itself and other target resources.
  • cell A has the PHR information of panel 1
  • cell B has the PHR information of panels 2 and 3.
  • the terminal uses uplink transmission resource 1 associated with panel 1 to transmit all PHR information of cell A associated with panel 1 (i.e., the PHR information of panel 1) and all PHR information of cell B (i.e., the PHR information of panels 2 and 3); uses uplink transmission resource 2 associated with panel 2 to transmit all PHR information of cells A and B, and uses uplink transmission resource 3 associated with panel 3 to transmit all PHR information of cells A and B.
  • an embodiment of the present application provides another power headroom reporting method, the method comprising at least the following steps:
  • Step S301 The network side device sends configuration information to the terminal, where the configuration information is used to configure a power headroom reporting PHR triggering mode and/or a PHR reporting mode, and the configuration information includes at least one of the following: a target resource, a target parameter value, and indication information related to the PHR;
  • Step S302 The network side device receives relevant information of the power headroom associated with the first resource reported by the terminal, wherein the first resource is at least one of N target resources in a cell, and N is an integer greater than or equal to 1.
  • the network side device may be the access network device in FIG. 1 , such as a base station or a newly defined artificial intelligence processing node on the access network side, or may be the core network device in FIG. 1 , such as a network data analysis function (Network Data Analytics Function, NWDAF), a positioning management function (Location Management Function, LMF), or a newly defined processing node on the core network side, or may be a combination of multiple nodes mentioned above.
  • NWDAF Network Data Analytics Function
  • LMF Location Management Function
  • a newly defined processing node on the core network side or may be a combination of multiple nodes mentioned above.
  • the target resource includes at least one of the following:
  • Antenna port group is antenna port group.
  • the target parameter value includes at least one of the following:
  • the timing duration of the PHR period trigger timer associated with one or more target resources
  • the terminal reports to the network side device the relevant information of the power headroom associated with at least one target resource (i.e., the first resource) in a cell.
  • the network side device can obtain the power headroom of each of the multiple target resources, and then perform reasonable power control on the multiple target resources respectively.
  • the network side device can obtain the power headroom of each of the target resources, and then perform reasonable power control on only one target resource.
  • the power headroom reporting method provided in the embodiment of the present application may be executed by a power headroom reporting device.
  • the power headroom reporting method executed by the power headroom reporting device is taken as an example to illustrate the power headroom reporting device provided in the embodiment of the present application.
  • an embodiment of the present application provides a power headroom reporting device, which is executed by a terminal.
  • the power headroom reporting device 100 includes:
  • the terminal sending module 101 is used for the terminal to report information related to the power headroom of the N target resources to the network side device, where N is an integer greater than or equal to 1.
  • the terminal sending module 101 includes any of the following:
  • a first sending submodule configured for the terminal to report, on a first uplink resource, information related to power headrooms associated with each of the N target resources to the network side device;
  • a second sending submodule configured for the terminal to report relevant information of the power headroom associated with the first resource to the network side device on the second uplink resource
  • a third sending submodule configured for the terminal to report, on the third uplink resources corresponding to each of the N target resources, to the network side device, relevant information of the power headroom associated with the corresponding target resource;
  • the fourth sending submodule is used for the terminal to distribute the fourth uplink resources corresponding to each of the N target resources.
  • the network device separately reports relevant information of the power headroom associated with each of the N target resources to the network side device.
  • the first uplink resource is any one of the following: the first uplink transmission resource after triggering PHR; an uplink transmission resource associated with a target resource that triggers PHR; an uplink transmission resource associated with multiple target resources that trigger PHR;
  • the second uplink resource is: the first uplink transmission resource associated with a first resource that triggers the PHR after the PHR is triggered;
  • the third uplink resources corresponding to each of the N target resources are: the first N uplink transmission resources respectively associated with the N target resources after the PHR is triggered;
  • the fourth uplink resources corresponding to each of the N target resources are: the first N uplink transmission resources respectively associated with the N target resources after the PHR is triggered.
  • the information reported by the terminal to the network side device on the first uplink resource is: PHR information of each of M cells, where M is the number of cells configured by the terminal;
  • the information reported by the terminal to the network side device on the second uplink resource is: PHR information of each cell;
  • the N pieces of information reported by the terminal to the network side device on the third uplink resources corresponding to the N target resources are: PHR information of each cell;
  • the N pieces of information reported by the terminal to the network side device on the fourth uplink resources corresponding to the N target resources are: PHR information of M cells respectively, where M is the number of cells configured by the terminal.
  • each PHR information includes at least one of the following:
  • the device further comprises:
  • the triggering module is used for the terminal to trigger the PHR of the N target resources when a power headroom reporting PHR triggering event corresponding to the N target resources occurs.
  • the trigger module includes:
  • a first triggering submodule configured for the terminal to trigger the PHR of the N target resources when a first PHR triggering event occurs
  • the second triggering submodule is configured to cause the terminal to trigger the PHR of the first resource among the N target resources when a second PHR triggering event associated with the first resource occurs.
  • the occurrence of the first PHR triggering event includes at least one of the following:
  • the MPE reporting prohibition timer expires
  • the PMPR measured by the terminal exceeds the MPE threshold
  • the maximum transmit power of the N target resources is less than the relevant threshold value
  • the states of the N target resources are configuration, activation, update or reconfiguration.
  • the second PHR triggering event associated with the first resource occurs, including at least one of the following:
  • the PHR prohibit timer associated with the first resource expires
  • the PHR period timer associated with the first resource expires
  • the MPE reporting prohibition timer associated with the first resource expires
  • the PMPR measured by the terminal exceeds the MPE threshold
  • the uplink transmission power backoff value of the first resource exceeds the power change value
  • the maximum transmit power of the first resource is less than a related threshold value
  • the state of the first resource is configuration, activation, update or reconfiguration.
  • the target resource includes at least one of the following:
  • Antenna port group is antenna port group.
  • the device further comprises:
  • a receiving module configured to receive configuration information, wherein the configuration information includes at least one of the following: the target resource, the target parameter value, and indication information related to the PHR;
  • the first determining module is used to determine a PHR triggering mode and/or a PHR reporting mode according to the configuration information.
  • the device further comprises:
  • a second determination module is used to determine M parameter values associated with the N target resources, where M is an integer greater than or equal to 1;
  • the third determining module is used to determine the relationship between the M parameter values associated with the N target resources and the target parameter value.
  • the size relationship determines whether the N target resources trigger an event related to the PHR.
  • the target parameter value includes at least one of the following:
  • the timing duration of the PHR period trigger timer associated with one or more target resources
  • the power headroom reporting device provided in the embodiment of the present application can implement the various processes implemented by the power headroom reporting method embodiment described in the first aspect and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • an embodiment of the present application provides another power headroom reporting device, which is executed by a network side device.
  • the power headroom reporting device 200 includes:
  • the network sending module 201 is used to send configuration information to the terminal, where the configuration information is used to configure a power headroom reporting PHR triggering mode and/or a PHR reporting mode, and the configuration information includes at least one of the following: a target resource, a target parameter value, and indication information related to the PHR;
  • the network receiving module 202 is used to receive information related to the power headroom of N target resources reported by the terminal, where N is an integer greater than or equal to 1.
  • the target resource includes at least one of the following:
  • Antenna port group is antenna port group.
  • the target parameter value includes at least one of the following:
  • the timing duration of the PHR period trigger timer associated with one or more target resources
  • the power headroom reporting device provided in the embodiment of the present application can implement the various processes implemented by the power headroom reporting method embodiment described in the second aspect and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • an embodiment of the present application further provides a communication device 900, including a processor 901 and a memory 902, wherein the memory 902 stores a program or instruction that can be run on the processor 901, for example, when the communication device 900 is a terminal, the program or instruction is executed by the processor 901 to implement the various steps of the power headroom reporting method embodiment described in the first aspect above, and can achieve the same technical effect, and when the communication device 900 is a network side device, the program or instruction is executed by the processor 901 to implement the various steps of the power headroom reporting method embodiment described in the second aspect above, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • FIG. 7 it is a schematic diagram of the hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1000 is used to execute the various steps of the embodiment of the power headroom reporting method described in the first aspect above, and can achieve the same technical effect.
  • the terminal 1000 includes but is not limited to: at least some of the components of a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010.
  • the terminal 1000 may also include a power source (such as a battery) for supplying power to each component, and the power source may be logically connected to the processor 1010 through a power management system, so as to implement functions such as managing charging, discharging, and power consumption management through the power management system.
  • a power source such as a battery
  • the terminal structure shown in FIG7 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange components differently, which will not be described in detail here.
  • the input unit 1004 may include a graphics processing unit (GPU) 10041 and a microphone 10042, and the graphics processor 10041 processes the image data of the static picture or video obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode.
  • the display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc.
  • the user input unit 1007 includes a touch panel 10071 and at least one of other input devices 10072.
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control key, a switch key, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.
  • the RF unit 1001 can transmit the data to the processor 1010 for processing; in addition, the RF unit 1001 can send uplink data to the network side device.
  • the RF unit 1001 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • the memory 1009 can be used to store software programs or instructions and various data.
  • the memory 1009 can mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area can store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc.
  • the memory 1009 can include a volatile memory or a non-volatile memory, or the memory 1009 can include both volatile and non-volatile memories.
  • the non-volatile memory can be a read-only memory (Read-Only
  • the volatile memory may be a random access memory (RAM), a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate synchronous dynamic random access memory (DDRSDRAM), an enhanced synchronous dynamic random access memory (ESDRAM), a synchronous link dynamic random access memory (SLDRAM) and a direct memory bus random access memory (DRRAM).
  • the memory 1009 in the embodiment of the present application includes but is not limited to these and any other suitable types of memories.
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 1010.
  • the terminal 1100 includes: an antenna 111, a radio frequency device 112, a baseband device 113, a processor 114 and a memory 115.
  • the antenna 111 is connected to the radio frequency device 112.
  • the radio frequency device 112 receives information through the antenna 111 and sends the received information to the baseband device 113 for processing.
  • the baseband device 113 processes the information to be sent and sends it to the radio frequency device 112, and the radio frequency device 112 processes the received information and sends it out through the antenna 111.
  • the power headroom reporting method executed by the terminal in the above embodiment may be implemented in the baseband device 113, which includes a baseband processor.
  • the baseband device 113 may include, for example, at least one baseband board, on which a plurality of chips are arranged, as shown in FIG8 , wherein one of the chips is, for example, a baseband processor, which is connected to the memory 115 through a bus interface to call a program in the memory 115 and execute the network device operation shown in the embodiment of the power headroom reporting method of the first aspect above.
  • the terminal may also include a network interface 116, which may be, for example, a Common Public Radio Interface (CPRI).
  • a network interface 116 which may be, for example, a Common Public Radio Interface (CPRI).
  • CPRI Common Public Radio Interface
  • the terminal 1100 of an embodiment of the present invention also includes: instructions or programs stored in the memory 115 and executable on the processor 114.
  • the processor 114 calls the instructions or programs in the memory 115 to execute the power headroom reporting method shown in the first aspect and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a network side device.
  • the network side device 1200 includes: a processor 1201, a network interface 1202 and a memory 1203.
  • the network interface 1202 is, for example, a Common Public Radio Interface (CPRI).
  • CPRI Common Public Radio Interface
  • the network side device 1200 of the embodiment of the present invention also includes: instructions or programs stored in the memory 1203 and executable on the processor 1201.
  • the processor 1201 calls the instructions or programs in the memory 1203 to execute the power headroom reporting method shown in the second aspect and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the present application also provides a readable storage medium, wherein the readable storage medium stores a program or an instruction.
  • the program or instruction is executed by the processor, each process of the above-mentioned power headroom reporting method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, it will not be described here.
  • the processor is the processor in the terminal device described in the above embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk.
  • An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned power headroom reporting method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
  • An embodiment of the present application further provides a computer program/program product, which is stored in a storage medium, and is executed by at least one processor to implement the various processes of the above-mentioned power headroom reporting method embodiment, and can achieve the same technical effect. To avoid repetition, it is not repeated here.
  • An embodiment of the present application also provides a power headroom reporting system, comprising: a network side device and a terminal, the terminal being used to execute the steps of the power headroom reporting method as described in the first aspect above, and the network side device being used to execute the steps of the power headroom reporting method as described in the second aspect above.
  • the technical solution of the present application can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.
  • a storage medium such as ROM/RAM, a magnetic disk, or an optical disk
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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

Abstract

La présente demande appartient au domaine technique des communications. Sont divulgués un procédé et un appareil de rapport de marge de puissance, ainsi qu'un terminal, un dispositif côté réseau et un système. Selon les modes de réalisation de la présente demande, le procédé de rapport de marge de puissance comprend les étapes suivantes : un terminal rapporte, à un dispositif côté réseau, des informations de marge de puissance associées à une première ressource, la première ressource étant au moins l'une de N ressources cibles dans une cellule, N étant un nombre entier supérieur ou égal à 1.
PCT/CN2023/126751 2022-11-07 2023-10-26 Procédé et appareil de rapport de marge de puissance, et terminal, dispositif côté réseau et système WO2024099092A1 (fr)

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CN202211397944.8 2022-11-07

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Citations (4)

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WO2021237457A1 (fr) * 2020-05-26 2021-12-02 Qualcomm Incorporated Déclencheur de phr et rapport pour une transmission de liaison montante multi-panneau
CN114557055A (zh) * 2021-12-29 2022-05-27 北京小米移动软件有限公司 一种上报功率的方法、装置及存储介质
US20220217654A1 (en) * 2019-04-25 2022-07-07 Lg Electronics Inc. Method for reporting power information in wireless communication system and device therefor
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WO2021237457A1 (fr) * 2020-05-26 2021-12-02 Qualcomm Incorporated Déclencheur de phr et rapport pour une transmission de liaison montante multi-panneau
WO2022151307A1 (fr) * 2021-01-15 2022-07-21 Qualcomm Incorporated Rapport de marge de puissance à panneaux multiples
CN114557055A (zh) * 2021-12-29 2022-05-27 北京小米移动软件有限公司 一种上报功率的方法、装置及存储介质

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