WO2021077437A1 - 通信方法和装置 - Google Patents
通信方法和装置 Download PDFInfo
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- WO2021077437A1 WO2021077437A1 PCT/CN2019/113498 CN2019113498W WO2021077437A1 WO 2021077437 A1 WO2021077437 A1 WO 2021077437A1 CN 2019113498 W CN2019113498 W CN 2019113498W WO 2021077437 A1 WO2021077437 A1 WO 2021077437A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
Definitions
- This application relates to the field of communication, and in particular to a communication method and device.
- the 5G system can support measurements based on two types of signals. These two types of signals include synchronization signal/physical broadcast channel block (SS (synchronization signal)/PBCH Block, SSB) and channel state information reference signal (channel state information-reference signal, CSI) -RS).
- SS synchronization signal/physical broadcast channel block
- PBCH Block PBCH Block
- CSI channel state information reference signal
- PSS primary synchronization signal
- SSS secondary synchronization signal
- PBCH physical broadcast channel
- DMRS demodulation reference signal
- PSS and SSS can be used for terminal equipment to perform downlink synchronization, for example, clock synchronization, frame synchronization, symbol synchronization, etc. can be included.
- SSB and CSI-RS related information can be exchanged between network devices.
- how to determine the accurate time domain position of the CSI-RS resource by the network device at the receiving end is a problem to be solved urgently.
- the embodiments of the present application provide a communication method and device, and the present application provides a communication method and device so that the receiving end can accurately determine the time domain position of the reference signal (such as CSI-RS). Further, the terminal equipment served by the air interface can be effectively configured for measurement.
- the reference signal such as CSI-RS
- the embodiments of the present application provide a communication method and device, which determine the timing information of the first reference signal by referring to the timing information of the synchronization signal block, so that the receiving end can accurately determine the time domain position of the first reference signal.
- a communication method is provided.
- the communication method may be executed by a second network device, or may also be executed by a chip or circuit provided in the second network device, which is not limited in the embodiment of the present application.
- the communication method may include:
- the second network device receives configuration information corresponding to at least one first reference signal and configuration information corresponding to at least one synchronization signal block from the first network device, where the at least one synchronization signal block is a synchronization signal corresponding to a frequency point of the synchronization signal block Piece;
- the second network device determines the timing information of the first reference signal according to the timing information of the reference synchronization signal block.
- the reference synchronization signal block is one of the aforementioned at least one synchronization signal block.
- the second network device can accurately learn the time domain appearance time of the first reference signal (for example, CSI-RS) according to the timing information of the reference synchronization signal block, thereby improving communication efficiency. Further, this enables the second network device to accurately and effectively configure the user equipment on the air interface to perform CSI-RS measurement, improve measurement accuracy, and serve as the basis for terminal device mobility (including cell reselection, handover, etc.).
- the first reference signal for example, CSI-RS
- the second network device can accurately and effectively configure the user equipment on the air interface to perform CSI-RS measurement, improve measurement accuracy, and serve as the basis for terminal device mobility (including cell reselection, handover, etc.).
- the second network device learns the X-th SSB or the SSB corresponding to the fixed frequency point as the reference SSB according to the agreement or pre-configuration of the protocol, where X represents the fixed sequence number in at least one synchronization signal block , Such as the number one in sequence.
- the second network device may determine the reference synchronization signal block according to the first indication information sent by the first network device, where the first indication information indicates frequency information corresponding to the reference synchronization signal block Or indicate the identifier corresponding to the reference synchronization signal block.
- the second network device may determine the reference synchronization signal block according to the second indication information sent by the first network device, where the second indication information is used to determine all of the synchronization signal blocks in the at least one synchronization signal block.
- the synchronization status of the sync signal block may be determined according to the second indication information sent by the first network device, where the second indication information is used to determine all of the synchronization signal blocks in the at least one synchronization signal block.
- the second network device may determine that the reference synchronization signal block is any synchronization signal block in the at least one synchronization signal block. For another example, in the case where it is determined that all synchronization signal blocks in at least one synchronization signal block are asynchronous according to the second indication information, the second network device determines that the reference synchronization signal block is a synchronization signal block corresponding to a fixed frequency point or The reference synchronization signal block is a signal block corresponding to a fixed sequence number in the at least one synchronization signal block.
- the above-mentioned first indication information and second indication information may be classified as information for indicating a reference synchronization signal block.
- the second network device when the second network device receives configuration information of SSBs corresponding to multiple frequency points, the multiple SSBs are defaulted to be synchronized according to regulations, and any SSB can be used as a reference SSB or The synchronization signal block corresponding to a certain fixed frequency point or the synchronization signal block corresponding to a fixed sequence number is determined as the reference SSB.
- the second network device may also receive SSB index information from the first network device, so as to determine the timing information of the CSI-RS by referring to the timing of the SSB corresponding to the SSB index in the SSB as a reference .
- the SSB index information may be in the same message or in different messages with the configuration information corresponding to the at least one first reference signal or the configuration information corresponding to the at least one synchronization signal block.
- the second network device can clearly know which synchronization signal block in at least one synchronization signal block is used as the reference synchronization signal block, so that subsequent processing can be performed according to the reference synchronization signal block, for example, so that the second network device can accurately determine
- the time domain position of the reference signal such as CSI-RS
- the terminal equipment served by the reference signal can be effectively configured on the air interface for measurement.
- a communication method is provided.
- the communication method may be executed by a first network device, or may also be executed by a chip or circuit provided in the first network device, which is not limited in the embodiment of the present application.
- the communication method may include:
- the first network device determines a reference synchronization signal block in at least one synchronization signal block, where the at least one synchronization signal block is a synchronization signal block corresponding to a frequency point of the synchronization signal block;
- the first network device sends configuration information corresponding to at least one first reference signal and configuration information corresponding to at least one synchronization signal block to the second network device, where the configuration information corresponding to the at least one first reference signal is based on reference synchronization The timing of the signal block is determined.
- the first network device determines the Xth SSB or the SSB corresponding to the fixed frequency point as the reference SSB according to the agreement or pre-configuration of the protocol, where X represents the fixed sequence number in at least one synchronization signal block , Such as the number one in sequence.
- the first network device may determine the reference synchronization signal block according to certain rules or requirements.
- the first network device may send first indication information to the second network device, where the first indication information indicates frequency information corresponding to the reference synchronization signal block or indicates that the reference synchronization signal block corresponds to logo.
- the first network device may send second indication information to the second network device, where the second indication information is used to determine the synchronization status of all synchronization signal blocks in at least one synchronization signal block , So that the second network device can determine the reference synchronization signal block through the indication of the synchronization status.
- the above-mentioned first indication information and second indication information may be classified as information for indicating a reference synchronization signal block.
- the multiple SSBs are synchronized, and any SSB can be used as a reference SSB or a fixed frequency point corresponding to the configuration information.
- the synchronization signal block or the synchronization signal block corresponding to the fixed sequence number is determined as the reference SSB.
- the first network device may also send SSB index information to the second network device, so as to determine the timing information of the CSI-RS by referring to the timing of the SSB corresponding to the SSB index in the SSB as a reference.
- the SSB index information may be in the same message or in different messages with the configuration information corresponding to the at least one first reference signal or the configuration information corresponding to the at least one synchronization signal block.
- the configuration information corresponding to the at least one first reference signal and the configuration information corresponding to the at least one synchronization signal block may be carried in the same message or different messages.
- a communication device in a third aspect, includes a module or unit or component for implementing the communication method of the first aspect.
- a communication device in a fourth aspect, includes a module or unit or component for implementing the communication method of the second aspect.
- a computer-readable storage medium on which a computer program is stored.
- the communication device When the computer program is executed by a communication device, the communication device enables the communication device to implement the first aspect and any possible implementation manner of the first aspect In the method.
- a computer-readable storage medium on which a computer program is stored.
- the communication device When the computer program is executed by a communication device, the communication device enables the communication device to implement the second aspect and any possible implementation manner of the second aspect In the method.
- a computer program product containing instructions when the instructions are executed by a computer, the communication device realizes the first aspect and the method in any possible implementation manner of the first aspect.
- a computer program product containing instructions, which when executed by a computer, cause a communication device to implement the second aspect and the method in any possible implementation manner of the second aspect.
- a communication system including the communication device described in the third aspect and the communication device described in the fourth aspect.
- the communication system may further include a terminal device that interacts with the communication device described in the third aspect or interacts with the communication device described in the fourth aspect.
- Fig. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
- Fig. 2 is a schematic diagram of a communication method according to an embodiment of the present application.
- Fig. 3 is a schematic diagram of a communication method according to another embodiment of the present application.
- Fig. 4 is a schematic diagram of a communication method according to still another embodiment of the present application.
- Fig. 5 is a schematic diagram of a device according to an embodiment of the present application.
- Fig. 6 is a schematic diagram of a device according to another embodiment of the present application.
- Fig. 7 is a schematic diagram of a network device according to an embodiment of the present application.
- LTE long term evolution
- FDD frequency division duplex
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- Future 5th Generation (5G) System New Wireless ( new radio, NR) or future network, etc.
- the 5G mobile communication system described in this application includes a non-standalone (NSA) 5G mobile communication system or a standalone (SA) 5G mobile communication system system.
- SA standalone
- the technical solution provided in this application can also be applied to future communication systems, such as the sixth-generation mobile communication system.
- the communication system can also be a public land mobile network (PLMN) network, a device-to-device (D2D) communication system, a machine-to-machine (M2M) communication system, and a device-to-device (D2D) communication system.
- PLMN public land mobile network
- D2D device-to-device
- M2M machine-to-machine
- D2D device-to-device
- IoT Internet of Things
- the terminal equipment (terminal equipment) in the embodiments of this application may refer to an access terminal, a user unit, a user station, a mobile station, a mobile station, a relay station, a remote station, a remote terminal, a mobile device, a user terminal, and a user equipment.
- UE user equipment
- terminal terminal
- wireless communication equipment user agent, or user device.
- the terminal device can also be a cellular phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (personal digital assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network, or future evolution of the public land mobile network (PLMN)
- PLMN public land mobile network
- wearable devices can also be referred to as wearable smart devices. It is a general term for using wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, Gloves, watches, clothing and shoes, etc.
- a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a kind of hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction.
- wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones.
- the terminal device can also be a terminal device in the IoT system.
- IoT is an important part of the development of information technology in the future. Its main technical feature is to connect objects to the network through communication technology to realize man-machine Interconnection, an intelligent network of interconnection of things.
- the IOT technology can achieve massive connections, deep coverage, and power saving of the terminal through, for example, narrowband (narrowband, NB) technology.
- the terminal equipment may also include sensors such as smart printers, train detectors, gas stations, etc.
- the main functions include collecting data (part of the terminal equipment), receiving control information and downlink data from network equipment, and sending electromagnetic waves. , To transmit uplink data to network equipment.
- the network device in the embodiment of the present application may be any communication device with a wireless transceiving function that is used to communicate with a terminal device.
- This equipment includes but is not limited to: evolved Node B (eNB), radio network controller (RNC), Node B (NB), base station controller (BSC) , Base transceiver station (base transceiver station, BTS), home base station (home evolved NodeB, HeNB, or home Node B, HNB), baseband unit (baseband unit, BBU), wireless fidelity (wireless fidelity, WIFI) system Access point (AP), wireless relay node, wireless backhaul node, transmission point (TP), or transmission and reception point (TRP), etc., can also be a 5G system, such as, The gNB in the NR system, or the transmission point (TRP or TP), one or a group of antenna panels (including multiple antenna panels) of the base station in the 5G system, or the network node that constitutes the gNB or transmission point, Such as baseband unit (BBU
- the network device in the embodiment of the present application may refer to a centralized unit (CU) or a distributed unit (DU), or the network device includes a CU and a DU.
- the gNB may also include an active antenna unit (AAU).
- the CU implements part of the functions of gNB, and the DU implements part of the functions of gNB.
- the CU is responsible for processing non-real-time protocols and services, and implements radio resource control (radio resource control, RRC) and packet data convergence protocol (packet data convergence protocol, PDCP) layer functions.
- RRC radio resource control
- PDCP packet data convergence protocol
- the DU is responsible for processing the physical layer protocol and real-time services, and realizes the functions of the radio link control (RLC) layer, the media access control (MAC) layer, and the physical (PHY) layer.
- AAU realizes some physical layer processing functions, radio frequency processing and related functions of active antennas. Since the information of the RRC layer will eventually become the information of the PHY layer, or be transformed from the information of the PHY layer, under this architecture, high-level signaling, such as RRC layer signaling, can also be considered to be sent by the DU , Or, sent by DU+AAU.
- the network device may be a device that includes one or more of a CU node, a DU node, and an AAU node.
- the CU can be divided into network equipment in an access network (radio access network, RAN), and the CU can also be divided into network equipment in a core network (core network, CN), which is not limited in this application.
- the CU can also be divided into the central unit of the control plane (CU-CP) and the central unit of the user plane (CU-UP).
- CU-CP and CU-UP can also be deployed on different physical devices.
- CU-CP is responsible for the control plane function and mainly includes the RRC layer and the PDCP-C layer.
- the PDCP-C layer is mainly responsible for encryption and decryption of control plane data, integrity protection, and data transmission.
- CU-UP is responsible for the user plane functions, and mainly includes the SDAP layer and the PDCP-U layer.
- the SDAP layer is mainly responsible for processing the data of the core network and mapping the flow to the bearer.
- the PDCP-U layer is mainly responsible for at least one function of data plane encryption and decryption, integrity protection, header compression, serial number maintenance, and data transmission.
- the CU-CP and the CU-UP are connected through a communication interface (for example, an E1 interface).
- CU-CP represents that a network device is connected to a core network device through a communication interface (for example, a Ng interface), and is connected to a DU through a communication interface (for example, an F1-C (control plane) interface).
- the CU-UP is connected to the DU through a communication interface (for example, an F1-U (user plane) interface).
- the PDCP-C layer is also included in the CU-UP.
- the network device mentioned in the embodiment of the present application may be a device including CU, or DU, or CU and DU, or control plane CU node (CU-CP node) and user plane CU node (CU-UP node), and DU The device of the node.
- CU-CP node control plane CU node
- CU-UP node user plane CU node
- Network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on airborne aircraft, balloons, and satellites.
- the scenes in which the network equipment and the terminal equipment are located are not limited.
- the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
- the hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and memory (also referred to as main memory).
- the operating system may be any one or more computer operating systems that implement business processing through processes, for example, Linux operating systems, Unix operating systems, Android operating systems, iOS operating systems or windows operating systems.
- the application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
- FIG. 1 is a schematic structural diagram of a wireless communication system 100 to which an embodiment of the application can be applied.
- the wireless communication system 100 may include one or more network devices 110, one or more terminal devices 120, and a core network 130.
- the network device 110 may be used to communicate with one or more terminal devices 120, and may also be used to communicate with one or more base stations with partial terminal device functions.
- the network device 110 may be used to communicate with the terminal device 120 through one or more antennas under the control of a network device controller (not shown in FIG. 1).
- the network device controller may be a part of the core network 130, or may be integrated into the network device 110.
- the network device 110 transmits control information or user data to the core network 130. Further, the network devices 110 may also communicate directly or indirectly.
- network devices can exchange SSB related information and CSI-RS related information, for example, a first network device and a second network device can exchange SSB related information and CSI-RS related information.
- the interaction between the first network device and the second network device may include the first network device sending SSB related information and CSI-RS related information to the second network device, or may include the second network device sending to the first network device SSB related information and CSI-RS related information.
- the two network devices can exchange SSB related information and CSI-RS related information through the X2 or Xn interface; when the first network device is a DU, the second network device is In the case of a CU, or when the first network device is a CU and the second network device is a DU, the two network devices exchange SSB related information and CSI-RS related information through the F1 interface.
- SSB and CSI-RS are transmitted through one or more beams.
- a beam can be understood as a spatial resource, and can refer to a transmission or reception precoding vector with energy transmission directivity.
- the transmitted or received precoding vector can be identified by index information, and the index information can correspond to the resource identification (identity, ID) of the configuration terminal, for example, the index information can correspond to the identity or resource of the configured CSI-RS ; It may also be the identifier or resource of the correspondingly configured SSB; it may also be the identifier or resource of the correspondingly configured uplink sounding reference signal (Sounding Reference Signal, SRS).
- the index information may also be index information displayed or implicitly carried by a signal or channel carried by a beam.
- the energy transmission directivity may refer to the precoding processing of the signal to be sent through the precoding vector, the signal after the precoding processing has a certain spatial directivity, and receiving the precoding processing of the precoding vector
- the signal has better received power, such as meeting the signal-to-noise ratio of reception and demodulation, etc.; the energy transmission directivity can also mean that the same signal sent from different spatial locations received through the precoding vector has different received power.
- the same communication device may have different precoding vectors, and different devices may also have different precoding vectors, that is, corresponding to different beams.
- a communication device can use one or more of multiple different precoding vectors at the same time, that is, one beam or multiple beams can be formed at the same time.
- the above-mentioned SSB related information may include, but is not limited to, at least one of the following: frequency information of the SSB (for example, carrierFreq), SSB subcarrier spacing (ssbSubcarrierSpacing), SSB measurement timing configuration (for example, ssb-MeasurementTimingConfiguration), and the physical cell identity corresponding to the SSB (physical cell ID, PCI).
- SSB related information may also be referred to as SSB configuration information or SSB resource information, or may also be referred to as SSB corresponding configuration information, etc., which is not limited in the embodiment of the present application.
- the above-mentioned CSI-RS related information may include but is not limited to at least one of the following: CSI-RS index, CSI-RS subcarrier spacing, CSI-RS period (periodicity) and offset (offset), CSI-RS location Occupied frequency domain position, scrambling sequence of CSI-RS sequence.
- the CSI-RS related information may also be referred to as CSI-RS configuration information or CSI-RS resource information, or may also be referred to as CSI-RS corresponding configuration information, which is not limited in the embodiment of the present application.
- the above offset and period can be used to determine part of the time domain information of the CSI-RS, for example, can be used to determine which subframe the CSI-RS starts in the time domain.
- the inventor of this application found that since the CSI-RS itself does not have the synchronization function, if the above-mentioned CSI-RS related information is exchanged between network devices, there will be a network device as the receiver that does not know after receiving the CSI-RS The accurate time domain position of the CSI-RS. Therefore, in some possible implementation manners of the embodiments of the present application, the above-mentioned CSI-RS related information may also include information for determining the timing information of the CSI-RS. It is understandable that in other implementation manners of the embodiments of the present application, the information used to determine the timing information of the CSI-RS may not be exchanged between network devices, for example, the CSI-RS may be implemented through protocol agreement or pre-configuration or other methods. Determination of the timing information. The following embodiments respectively describe different implementation manners in conjunction with the accompanying drawings.
- an embodiment of the present application provides a communication method, which may include:
- the Xth SSB (that is, the synchronization signal block corresponding to a fixed sequence number in at least one synchronization signal block) can be pre-configured as the reference SSB through protocol agreement or pre-configured, then the first network device uses the Xth SSB as the reference SSB. For example, assuming that the first network device is about to send or has already sent to the second network device the configuration information of the SSB corresponding to frequency 1, frequency 2, and frequency 3, and X is 1, then the first network device determines the first SSB (ie, the synchronization signal block corresponding to frequency 1) is the reference SSB. It is understandable that X may also be other numerical values, which are not limited in the embodiment of the present application.
- the SSB corresponding to the fixed frequency point may be determined as the reference SSB through protocol agreement or pre-configuration, and then the first network device uses the SSB corresponding to the fixed frequency point as the reference SSB. For example, suppose that the first network device is about to send or has already sent to the second network device the configuration information of the SSB corresponding to frequency point 1, frequency point 2 and frequency point 3, and the fixed frequency point agreed by the protocol or pre-configured is frequency point 2. Then the first network device determines to use the SSB corresponding to frequency point 2 as the reference SSB.
- a possible pre-configuration implementation may be: the core network device sends the information of the reference synchronization signal block to the first network device and the second network device.
- the first network device sends configuration information corresponding to at least one SSB to the second network device.
- the second network device will receive the configuration information corresponding to the at least one SSB sent by the first network device, so that it can perform corresponding processing, for example, perform related configuration for the terminal device under the second network device.
- the embodiment does not limit the subsequent processing of the received configuration information corresponding to at least one SSB by the second network device.
- the configuration information corresponding to the SSB may also be referred to as the configuration information of the SSB or related information of the SSB, etc.
- the content of the configuration information corresponding to the SSB will not be repeated here.
- the above-mentioned at least one SSB corresponds to at least one frequency point
- the at least one frequency point may include the frequency point corresponding to the cell managed by the first network device and the neighboring cell of the cell managed by the first network device ( The neighboring cell may be at least one frequency point among the frequency points corresponding to the cell managed by other network equipment.
- the configuration information corresponding to the at least one SSB may be transmitted through interactive information between network devices, and the interactive information may be, for example, measurement timing configuration (Measurement Timing Configuration) information.
- the MeasurementTimingConfiguration information may include, for example, the following cell structure:
- the MeasTimingList (measurement timing list) includes configuration information corresponding to at least one SSB.
- the above cell structure is only an example, and the embodiment of the present application does not limit the cell structure and message carrier for sending the configuration information corresponding to the at least one SSB.
- the foregoing cell structure is for illustrative purposes, and the names of each information in the cell structure in the embodiment of the present application are not introduced one by one.
- the embodiment of the present application does not limit the execution order of S201 and S202, that is, S202 can be executed before or after S201, or S201 and S202 can also be executed at the same time.
- the first network device sends configuration information corresponding to at least one CSI-RS to the second network device.
- the CSI-RS is an example of the first reference signal. It can be understood that the first reference signal may also be other reference signals, which is not limited in the embodiment of the present application. In addition, the embodiments of the present application are not limited to reference signals, and may also be other signals, as long as there are signals with similar problems to the CSI-RS in the embodiments of the present application.
- the second network device will receive the configuration information corresponding to the at least one CSI-RS sent by the first network device, so that it can perform corresponding processing, for example, perform related configuration for the terminal device under the second network device.
- This embodiment of the present application The subsequent processing of the received configuration information corresponding to at least one CSI-RS by the second network device is not limited.
- the configuration information corresponding to CSI-RS may also be referred to as CSI-RS configuration information or CSI-RS related information, etc.
- the content of the configuration information corresponding to CSI-RS will not be repeated here.
- the configuration information corresponding to the at least one CSI-RS may include the CSI-RS configuration information corresponding to the cell managed by the first network device and the configuration of the CSI-RS sent by the neighboring cell of the cell managed by the first network device At least one piece of CSI-RS configuration information in the information.
- the configuration information corresponding to the at least one CSI-RS may also be transmitted through interactive information between network devices.
- the configuration information corresponding to the at least one CSI-RS may be transmitted through the same or different message as the configuration information corresponding to the at least one SSB. .
- the configuration information corresponding to the at least one CSI-RS may also be carried MeasurementTimingConfiguration.
- the configuration information of the at least one CSI-RS is determined according to the timing information of the reference SSB.
- the offset in the configuration information of the CSI-RS may be determined based on the timing of the reference SSB.
- timing based on the reference SSB can be understood as the timing based on the cell corresponding to the reference SSB.
- the configuration information of the at least one CSI-RS is determined according to the timing information of the reference SSB. It can also be said that the configuration information of the at least one CSI-RS is determined based on the timing information of the cell corresponding to the reference SSB.
- the reference cell is determined according to the frequency point of the reference SSB and the cell identification information, and the timing information of the reference cell (for example, the frame number, subframe number, etc.) is used as a reference to determine the time domain position of the CSI-RS (for example, the previous The mentioned bias).
- the aforementioned cell identification information may include a physical cell id (PCI) and/or a cell global id (CGI), and the cell identification information may be directly carried in the same message as the CSI-RS configuration information. For example, it is carried in the Container (container) through the X2/Xn/F1 interface to interact, or the cell identification information can be carried in the X2/Xn/F1 interface to carry the CSI-RS configuration Container message (that is, carried outside the Container instead of Inside the Container).
- PCI physical cell id
- CGI cell global id
- the periodicity and offset in the CSI-RS configuration information determine that the CSI-RS configuration information will appear in the Nth subframe of the Mth frame, then when the CSI-RS configuration information is in the first cell (refer to SSB When the corresponding cell is used as a reference cell, the Nth subframe of the Mth frame refers to the Nth subframe of the Mth frame of the first cell.
- the execution order of S202 and S203 is also not limited, that is, S202 and S203 can be executed at the same time, or S202 is executed before or after S203.
- the second network device determines timing information of the at least one CSI-RS according to the timing information of the reference SSB.
- the timing information of the SSB refers to the timing information of the cell corresponding to the SSB.
- the timing information may include, but is not limited to, for example, at least one of the following: frame number, subframe number, and frame boundary information.
- the second network device learns the Xth SSB or the SSB corresponding to the fixed frequency point as the reference SSB, so as to determine the timing information of the at least one CSI-RS according to the timing information of the reference SSB.
- the second network device After the second network device determines that the timing information of the at least one CSI-RS is determined according to the timing information of the reference SSB, subsequent processing may be performed, for example, a terminal device served by the second network device is configured to perform corresponding CSI-RS measurement .
- determining the timing information of the CSI-RS according to the timing information of the reference SSB can also be understood as determining the timing information of the CSI-RS according to the timing information of the cell corresponding to the reference SSB.
- the time domain position of the reference signal CSI-RS is determined with reference to the timing information (including frame number, subframe number, etc.) of the cell, or in other words, the reference signal CSI-RS can be determined according to the configuration of the reference signal CSI-RS. In which subframes the RS appears in the cell.
- the synchronization signal block corresponding to the fixed frequency point or the synchronization signal block corresponding to the fixed sequence number in the at least one synchronization signal block is used as the reference synchronization signal block to determine the at least one CSI-RS through protocol agreement or pre-configuration. Based on the timing information, the time domain of CSI-RS can be accurately learned, and communication efficiency can be improved. Further, the second network device can accurately and effectively configure the user equipment on the air interface to perform CSI-RS measurement, thereby improving measurement accuracy. As the basis of terminal equipment mobility (including cell reselection, handover, etc.).
- the reference synchronization signal block may not be pre-appointed or configured, but the second network device may The reference synchronization signal block is determined by the instruction of the first network device.
- the communication method may include:
- the first network device determines a reference synchronization signal block SSB in at least one synchronization signal block.
- the first network device may determine the reference SSB in the at least one synchronization signal block according to certain rules or requirements or randomly.
- the first network device may select CD-SSB as the reference SSB.
- CD-SSB refers to the SSB associated with remaining minimum system information (RMSI).
- RMSI remaining minimum system information
- CD-SSB can also be understood as the SSB associated with SIB1.
- CD-SSB can be used for camping, or for primary cell configuration of terminal equipment.
- the first network device sends configuration information corresponding to at least one SSB to the second network device.
- the first network device sends configuration information corresponding to at least one CSI-RS to the second network device.
- the first network device sends first indication information to the second network device, where the first indication information is used by the second network device to determine a reference SSB.
- the second network device can determine the reference SSB.
- the first indication information may indicate frequency information corresponding to the reference SSB or indicate an identifier (also called a sequence number) corresponding to the reference SSB.
- the first indication information indicating the frequency information corresponding to the reference SSB may be that the first indication information carries frequency information corresponding to the reference SSB.
- the frequency information corresponding to the at least one SSB is frequency information. Point 1, frequency point 2, and frequency point 3.
- the first indication information can carry information of frequency point 2, and then the second network device can learn that the reference SSB is the SSB corresponding to frequency point 2.
- the first indication information indicating that the frequency information corresponding to the reference SSB may be correspondingly carried in the configuration information of each SSB to indicate whether the SSB can be used as the reference SSB. That is to say, the configuration information of the SSB at each frequency point level indicates whether the SSB can be used as a reference SSB.
- the configuration information of the SSB corresponding to frequency 1 can indicate this
- the SSB can be used as the reference SSB, and the configuration information of the SSB corresponding to the other two frequency points indicates that the SSB is not used as the reference SSB, then the second network device can learn that the SSB corresponding to frequency point 1 is the reference SSB.
- the embodiment of this application does not limit how to indicate whether a certain SSB is used as a reference SSB. For example, it can be realized by at least one bit of information or a field.
- the field When the field is "1" or “TRUE”, it indicates that it is used as a reference SSB. When this field is "0" or “FALSE”, it means that it is not used as a reference SSB. Or, it can only have the corresponding indication information in the configuration information of the reference SSB. When the configuration information of the SSB that is not used as the reference SSB does not carry the relevant indication, the default indicates that it is not used as the reference SSB, or it may not be used as the reference SSB. The configuration information of the SSB carries related indications, while the configuration information of the reference SSB does not carry related indications.
- the identifier corresponding to the above-mentioned reference SSB may be a digital identifier, which indicates which SSB among the above-mentioned at least one SSB is used as the reference SSB.
- the identification can start from 0, that is, the SSB corresponding to identification 0 is the first SSB, and so on, or the identification can also start from 1, that is, the SSB corresponding to identification 1 is the first SSB. And so on. It is understandable that the identifier can also start from other values, as long as the second network device can know which SSB of the at least one SSB is used as the reference SSB, which is not limited in this embodiment of the application.
- first indication information and the configuration information corresponding to the at least one SSB can be sent in the same or different messages, or the first indication information can also be the same or the configuration information corresponding to the at least one CSI-RS. Send in different messages.
- S304 may be executed before or after S302 or S303 or at the same time, which is not limited in the embodiment of the present application.
- the second network device determines timing information of the at least one CSI-RS according to the timing information of the reference SSB.
- the second network device After receiving the first indication information, the second network device determines that the timing information of the at least one CSI-RS should be determined according to the timing information of the reference SSB. Then, the second network device may determine the reference SSB according to the indication of the first indication information, thereby The timing information of the at least one CSI-RS is determined with reference to the timing information of the SSB.
- the reference SSB is indicated through the first indication information, so that the second network device can learn the reference SSB for determining the timing of the CSI-RS, so that the time domain appearance time of the CSI-RS can be accurately learned, and the communication efficiency is improved. Further, the second network device can accurately and effectively configure the user equipment on the air interface to perform CSI-RS measurement, improve measurement accuracy, and serve as the basis for terminal device mobility (including cell reselection, handover, etc.).
- Another embodiment of the present application also provides a communication method. Unlike the embodiment shown in FIG. 3 indicating the reference SSB through the first indication information, in this embodiment, the second SSB is indicated by the synchronization status of at least one SSB.
- the first network device determines a reference synchronization signal block SSB in at least one synchronization signal block.
- the first network device may determine the reference SSB in the at least one SSB according to the synchronization state of the at least one SSB, wherein, in the case where all SSBs in the at least one SSB are synchronized, the first network device may connect any one The SSB is determined as the reference SSB. Or, in the case where not all SSBs in the at least one SSB are synchronized, the first network device may be the SSB corresponding to the fixed frequency point in the at least one SSB or the reference synchronization signal block as the at least one SSB SSB corresponding to the fixed serial number in. Among them, not all SSBs are synchronized may include that all SSBs are not synchronized, or one or more SSBs are not synchronized with other SSBs.
- SSB synchronization means that the cell corresponding to the SSB is synchronized.
- SSB1 and SSB2 are synchronized, which means the system frame number (SFN) synchronization and frame boundary synchronization of cell 1 corresponding to SSB1 and cell 2 corresponding to SSB2.
- SFN synchronization can be understood as the same as SFN
- frame boundary synchronization can be understood as Frame boundary alignment.
- the first network device sends configuration information corresponding to at least one SSB to the second network device.
- the first network device sends configuration information corresponding to at least one CSI-RS to the second network device.
- the first network device sends second indication information to the second network device, where the second indication information is used by the second network device to determine a reference SSB.
- the second indication information is used by the second network device to determine the synchronization status of all synchronization signal blocks in the at least one synchronization signal block.
- the embodiment of the present application does not limit how to implement the indicating synchronization state.
- it can be implemented by at least one bit of information or a field.
- the field is "1" or “TRUE”, it means that all SSBs in at least one SSB are synchronized.
- this field is "0" or "FALSE”, it means that not all SSBs in at least one SSB are synchronized.
- the second indication information may be sent only when all SSBs are synchronized, and when the second indication information is not sent, it means that not all SSBs are synchronized.
- the second indication information may be sent when not all SSBs are synchronized, and the second indication information is not sent when all SSBs are synchronized. Thereby, the second network device can learn the synchronization status of the at least one SSB, which is convenient for determining the reference SSB.
- the second indication information may be sent in the same or different message as the configuration information corresponding to the at least one SSB, or the first indication information may be the same or different as the configuration information corresponding to the at least one CSI-RS. Send in different messages.
- S404 may be executed before or after S402 or S403 or at the same time, which is not limited in the embodiment of the present application.
- the second network device determines timing information of the at least one CSI-RS according to the timing information of the reference SSB.
- the second network device may learn the synchronization status of the at least one SSB according to the second indication information, so as to determine the reference SSB. For example, similar to the first network device, when all SSBs in the at least one SSB are synchronized, the second network device may determine any SSB as the reference SSB. Or, in the case where not all SSBs in the at least one SSB are synchronized, the second network device may be the SSB corresponding to the fixed frequency point in the at least one SSB or the reference synchronization signal block as the at least one SSB SSB corresponding to the fixed serial number in.
- the second indication information is used to indicate the related information for determining the reference SSB, so that the second network device can learn the reference SSB for determining the timing of the CSI-RS, so as to accurately learn the time domain of the CSI-RS Appear time, improve communication efficiency, and further enable the second network device to accurately and effectively configure user equipment on the air interface to perform CSI-RS measurement, improve measurement accuracy, and serve as terminal device mobility (including cell reselection, handover, etc.) )Foundation
- the configuration information of at least one SSB sent by the first network device to the second network device includes multiple SSB frequencies
- the flow of the possible embodiment is similar to the embodiment shown in Figure 4, the difference is that there is no need to confirm the synchronization status of the SSB, but it is synchronized by default, so there is no need to perform S404.
- the second network device can connect multiple Any one of the SSBs in the SSB is used as the reference SSB or the synchronization signal block corresponding to a fixed frequency point or the synchronization signal block corresponding to the fixed sequence number is determined as the reference SSB.
- the first network device sends the second network device
- the multiple SSB frequency points are synchronized, and the timing reference of the CSI-RS is determined to be the SSB on any SSB frequency point, so that the CSI-RS can be accurately learned Time-domain appearance time, improve communication efficiency, and further, enable the second network device to accurately and effectively configure user equipment on the air interface to perform CSI-RS measurement, improve measurement accuracy, and serve as terminal device mobility (including cell reselection, Switch, etc.) basis
- the protocol stipulates that when the configuration information of the SSBs of multiple frequency points is sent, the multiple SSBs are to be synchronized.
- the first network device sends SSB index (index) information to the second network device
- the SSB index information may indicate the CSI-RS to refer to the AND in the SSB.
- the SSB index corresponds to the timing of the SSB as a reference to determine the timing information of the CSI-RS.
- the reference SSB refers to the SSB corresponding to the frequency point.
- the SSB corresponding to the frequency point may have multiple SSBs according to the sending direction. The multiple SSBs can be identified by index.
- the first network device passes to the second The network device sends the SSB index, so that the second network device uses the timing information of the SSB in a certain direction in the reference SSB to determine the timing information.
- the second network device may determine the timing information of the CSI-RS by referring to the timing information of the SSB in any direction of the SSB.
- the SSB index information may be carried in an associated SSB (associated SSB) field.
- the SSB index it is possible to further determine which direction the CSI-RS refers to the SSB to obtain timing.
- quasi-colocated (quasi-colocated) information on the basis of the SSB index to help terminal equipment obtain faster
- the transmission direction information of the CSI-RS makes it easier to detect the CSI-RS signal.
- the method implemented by the terminal device can also be implemented by a component (such as a chip or circuit) that can be configured in the terminal device, and the method is implemented by a network device (the first network device or the second network device).
- the method implemented by the network device can also be implemented by a component (such as a chip or circuit) that can be configured in the network device
- the method implemented by the core network device can also be implemented by a component that can be configured on the core network device.
- the first network device may also be referred to as a first node
- the second network device may also be referred to as a second node
- the core network device may also be referred to as a core network node.
- used to indicate may include used for direct indication and used for indirect indication.
- the indication information may directly indicate A or indirectly indicate A, but it does not mean that A must be included in the indication information.
- the information indicated by the instruction information is referred to as the information to be instructed.
- the information to be indicated may be directly indicated, such as the information to be indicated itself or the index of the information to be indicated.
- the information to be indicated can also be indicated indirectly by indicating other information, where there is an association relationship between the other information and the information to be indicated. It is also possible to indicate only a part of the information to be indicated, while other parts of the information to be indicated are known or agreed in advance. For example, it is also possible to realize the indication of specific information by means of the pre-arranged order (for example, stipulated in the agreement) of the various information, thereby reducing the indication overhead to a certain extent. At the same time, it can also identify the common parts of each information and uniformly indicate, so as to reduce the instruction overhead caused by separately indicating the same information.
- the “protocols” involved in the embodiments of the present application may refer to standard protocols in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, which are not limited in this application.
- an embodiment of the present application also provides a communication device, which is used to implement the foregoing various methods.
- the communication device may be the terminal device involved in the foregoing method embodiments, or a device containing the foregoing terminal device, or a component (chip or circuit) that can be used in the terminal device; or, the communication device may be each of the foregoing methods.
- the network equipment involved in the embodiment for example, the first network equipment, the second network equipment), or a device containing the above-mentioned network equipment, or a component that can be used in the network equipment; or, the communication device may also be the above-mentioned various methods
- the core network equipment involved in the embodiment may be a component that can be used for core network equipment.
- the communication device includes hardware structures and/or software modules corresponding to various functions.
- the present application can be implemented in the form of hardware or a combination of hardware and computer software. Those skilled in the art can use different methods for each specific application to implement the described functions, but such implementation should not be considered as going beyond the scope of the present application.
- each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
- the above-mentioned integrated modules can be implemented in the form of hardware or software function modules.
- FIG. 5 shows a schematic structural diagram of a communication device 500 according to an embodiment of the present application.
- the communication apparatus 500 can implement any function corresponding to the first network device or the second network device in the foregoing method embodiments.
- the communication device may be a network device (a first network device or a second network device), or a component (such as a chip or a circuit) configurable in the network device.
- the communication device 500 includes: at least one processing unit 510 (illustrated by including one processing unit exemplarily in FIG. 5) and at least one communication unit 520 (illustrated by including one communication unit exemplarily in FIG. 5).
- the communication device 500 may further include at least one storage unit 530 (in FIG. 5 exemplarily, one storage unit is included for illustration).
- the storage unit 530 may be used to store other information such as computer execution instructions and/or data.
- the processing unit 510 may read instructions or data stored in the storage unit 530 to implement a corresponding solution.
- the communication unit in the embodiments of the present application may also be referred to as a transceiver unit (module) or a communication interface, and the processing unit may be referred to as a processing module.
- the processing unit 510 may be configured to determine a reference synchronization signal block in at least one synchronization signal block. For the manner in which the processing unit 510 determines the reference synchronization signal block, reference may be made to the descriptions in the foregoing method embodiments.
- processing unit 510 may also be configured to determine the configuration information of the at least one first reference signal according to the timing information of the reference SSB.
- the communication unit 520 is configured to send configuration information corresponding to at least one first reference signal and configuration information corresponding to at least one synchronization signal block to the second network device.
- the communication unit 520 may also be used to send the first indication information or the second indication information to the second network device, where the first indication information or the second indication information is used to determine the reference synchronization signal block of.
- the communication unit 520 may also be configured to send the aforementioned SSB index information to the second network device, instructing the CSI-RS to determine the CSI by referring to the timing of the SSB corresponding to the SSB index in the SSB as a reference. -RS timing information.
- the communication unit 520 may be configured to receive configuration information corresponding to at least one first reference signal and configuration information corresponding to at least one synchronization signal block from the first network device.
- the processing unit 510 may be configured to determine the timing information of the at least one first reference signal according to the timing information of the reference synchronization signal block, where the reference synchronization signal block belongs to the at least one synchronization signal block.
- the processing unit 510 may be configured to determine a synchronization signal block corresponding to a fixed frequency point or a synchronization signal block corresponding to a fixed sequence number in at least one synchronization signal block as a reference synchronization signal block.
- the communication unit 520 may also be configured to receive first indication information or second indication information from the first network device, where the first indication information or the second indication information is used to determine the reference synchronization signal block of.
- first indication information and the second indication information reference may be made to the related description of the previous method embodiment.
- the processing unit 510 may also be configured to, when the communication device 500 receives configuration information of SSBs corresponding to multiple frequency points, default the multiple SSBs to be synchronized according to regulations, and any one SSB may be used as a reference.
- the SSB or the synchronization signal block corresponding to a certain fixed frequency point or the synchronization signal block corresponding to a fixed sequence number is determined as the reference SSB.
- the communication unit 520 may also be configured to receive the SSB index information as described above from the first network device, so as to determine the CSI-RS by referring to the timing of the SSB corresponding to the SSB index in the SSB as a reference. Timing information.
- the processing unit 510 may be a processor and the communication unit 520 may be a transceiver, or the communication unit 520 may also be a communication interface or other interface circuit.
- the storage unit 530 may be a memory.
- module or “unit” in the various embodiments of the present application may refer to an application specific integrated circuit ASIC, a circuit, a processor and memory that executes one or more software or firmware programs, an integrated logic circuit, and/or other Functional device.
- FIG. 6 shows a communication device 600 provided by another embodiment of the present application.
- the communication device 600 can implement any function corresponding to the first network device or the second network device in the foregoing method embodiments.
- the communication device may be a network device (a first network device or a second network device), or a component (such as a chip or a circuit) configurable in the network device.
- the communication device 600 includes: at least one processor 601 (illustrated by including one processor as an example in FIG. 6) and at least one memory 602 (illustrated by including one memory as an example in FIG. 6). Instructions (or programs or codes) and/or data may be stored in the memory, and the processor 601 is coupled with the memory 602. For example, the processor 601 may call the instructions and/or data in the memory 602 to enable the communication device to implement the above Any function corresponding to the first network device or the second network device in the method embodiment.
- FIG. 7 it is a schematic structural diagram of a network device (such as a first network device or a second network device) provided by an embodiment of this application.
- a network device such as a first network device or a second network device
- the network device 70 includes at least one processor (in FIG. 7 exemplarily includes a processor 701 as an example for illustration), at least one transceiver (in FIG. 7 exemplarily includes a transceiver 703 as an example for illustration), and At least one network interface (in FIG. 7 exemplarily, one network interface 704 is included as an example for description).
- the network device 70 may further include at least one memory (in FIG. 7 exemplarily, a memory 702 is included as an example for description).
- the processor 701, the memory 702, the transceiver 703, and the network interface 704 may be connected through a communication line.
- the network interface 704 is used to connect to the core network device through a link (for example, an NG interface), or to connect with a network interface of other network devices (not shown in FIG. 2) through a wired or wireless link (for example, an Xn interface).
- a link for example, an NG interface
- a network interface of other network devices not shown in FIG. 2
- a wired or wireless link for example, an Xn interface
- the processors and transceivers described in the various embodiments of this application can be implemented in integrated circuits (IC), analog ICs, radio frequency integrated circuits RFIC, mixed-signal ICs, application specific integrated circuits (ASICs), and printed circuits.
- IC integrated circuits
- RFIC radio frequency integrated circuits
- ASICs application specific integrated circuits
- PCB printed circuit board
- the processor and transceiver can also be manufactured using various 1C process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), and P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
- CMOS complementary metal oxide semiconductor
- NMOS nMetal-oxide-semiconductor
- PMOS bipolar junction transistor
- BiCMOS bipolar CMOS
- the processor may include one or more processors, for example, including one or more CPUs.
- the processor may be a single-core CPU or a multi-core CPU.
- the transceiver is used to send and receive data and/or signals, and to receive data and/or signals.
- the transceiver may include a transmitter and a receiver. The transmitter is used to send data and/or signals, and the receiver is used to receive data and/or signals.
- the transceiver may also be a communication interface.
- Memory includes but is not limited to random access memory (RAM), read-only memory (ROM), erasable programmable memory (erasable programmable read only memory, EPROM), read-only optical disk ( compact disc read-only memory, CD-ROM), this memory is used to store related instructions and/or data.
- RAM random access memory
- ROM read-only memory
- EPROM erasable programmable memory
- EPROM erasable programmable read only memory
- CD-ROM compact disc read-only memory
- the chip mentioned in the embodiments of this application can realize the related functions that the processor can realize, or can realize the related functions that the processor and the transceiver can realize, or can realize the processor and the transceiver. And the related functions that the memory can realize.
- the chip can be a field programmable gate array, a dedicated integrated chip, a system chip, a central processing unit, a digital signal processing circuit, a microcontroller, and a programmable controller or other integrated chips for realizing related functions.
- the embodiment of the present application also provides a computer-readable medium on which a computer program is stored, and when the computer program is executed, the communication method in any of the foregoing method embodiments is implemented.
- the embodiments of the present application also provide a computer program product, which, when executed, implements the communication method in any of the foregoing method embodiments.
- the present application also provides a communication system, which may include the communication device or device shown in any one of FIGS. 5-7.
- the communication system may further include a terminal device, and the terminal device communicates with any of the communication devices or devices shown in FIGS. 5-7.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the computer may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
- software it can be implemented in the form of a computer program product in whole or in part.
- the computer program product includes one or more computer instructions.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
- the computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
- the computer instructions may be transmitted from a website, computer, server, or data center.
- the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media.
- the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state drive (SSD)).
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Abstract
Description
Claims (16)
- 一种通信方法,其特征在于,包括:第二网络设备从第一网络设备接收至少一个第一参考信号对应的配置信息和至少一个同步信号块对应的配置信息,其中,所述至少一个同步信号块为与同步信号块频点对应的同步信号块;所述第二网络设备根据参考同步信号块的定时信息确定所述至少一个第一参考信号的定时信息,其中,所述参考同步信号块属于所述至少一个同步信号块。
- 根据权利要求1所述的方法,其特征在于,所述参考同步信号块为固定频点对应的同步信号块或者所述参考同步信号块为所述至少一个同步信号块中固定序号对应的同步信号块。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:从所述第一网络设备接收第一指示信息,其中,所述第一指示信息指示所述参考同步信号块对应的频点信息或者指示所述参考同步信号块对应的标识。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:从所述第一网络设备接收第二指示信息,其中,所述第二指示信息用于确定所述至少一个同步信号块中所有的同步信号块的同步状态。
- 根据权利要求4所述的方法,其特征在于,在根据所述第二指示信息确定所述至少一个同步信号块中所有的同步信号块同步的情况下,所述参考同步信号块为至少一个同步信号块中任意一个同步信号块。
- 根据权利要求4或5所述的方法,其特征在于,在根据所述第二指示信息确定所述至少一个同步信号块中所有的同步信号块为非同步的情况下,所述参考同步信号块为固定频点对应的同步信号块或者所述参考同步信号块为所述至少一个同步信号块中固定序号对应的信号块。
- 根据权利要求1-6任一项所述的方法,其特征在于,所述第一参考信号包括信道状态信息参考信号。
- 一种通信方法,其特征在于,包括:第一网络设备在至少一个同步信号块中确定参考同步信号块,其中,所述至少一个同步信号块为与同步信号块频点对应的同步信号块;所述第一网络设备向所述第二网络设备发送至少一个第一参考信号对应的配置信息和至少一个同步信号块对应的配置信息,其中,所述至少一个第一参考信号对应的配置信息是基于所述参考同步信号块的定时确定的。
- 根据权利要求8所述的方法,其特征在于,所述参考同步信号块为固定频点对应的同步信号块或者所述参考同步信号块为所述至少一个同步信号块中固定序号对应的同步信号块。
- 根据权利要求8所述的方法,其特征在于,所述方法还包括:向所述第二网络设备发送第一指示信息,其中,所述第一指示信息指示所述参考同步信号块对应的频点信息或者指示所述参考同步信号块对应的标识。
- 根据权利要求8所述的方法,其特征在于,所述方法还包括:所述第一网络设 备向所述第二网络设备发送第二指示信息,其中,所述第二指示信息用于确定所述至少一个同步信号块中所有的同步信号块的同步状态。
- 一种通信装置,其特征在于,所述通信装置用于实现如权利要求1-7任一项所述的通信方法。
- 一种通信装置,其特征在于,所述通信装置用于实现如权利要求8-11任一项所述的通信方法。
- 一种通信***,其特征在于,包括如权利要求12所述的通信装置和如权利要求13所述的通信装置。
- 根据权利要求14所述的***,其特征在于,还包括:终端设备。
- 一种计算机可读存储介质,其特征在于,存储有计算机程序或指令,所述计算机程序或指令用于实现权利要求1至7中任一项所述的方法,或权利要求8至11中任一项所述的方法。
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CN201980101634.7A CN114586386A (zh) | 2019-10-26 | 2019-10-26 | 通信方法和装置 |
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WO2017171521A1 (en) * | 2016-04-01 | 2017-10-05 | Samsung Electronics Co., Ltd. | Method and equipment for transmitting synchronization signal and psbch in v2x communication |
CN109076478A (zh) * | 2018-08-10 | 2018-12-21 | 北京小米移动软件有限公司 | 发送、接收参考信号的方法、装置、车载设备及终端 |
CN109155728A (zh) * | 2018-08-10 | 2019-01-04 | 北京小米移动软件有限公司 | 发送、接收参考信号的方法、装置、车载设备及终端 |
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CN114586386A (zh) | 2022-06-03 |
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US20220255696A1 (en) | 2022-08-11 |
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