CN112491515A - Method for transmitting sounding reference signal, related equipment and storage medium - Google Patents

Method for transmitting sounding reference signal, related equipment and storage medium Download PDF

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Publication number
CN112491515A
CN112491515A CN201910865650.5A CN201910865650A CN112491515A CN 112491515 A CN112491515 A CN 112491515A CN 201910865650 A CN201910865650 A CN 201910865650A CN 112491515 A CN112491515 A CN 112491515A
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China
Prior art keywords
srs
antenna
target
terminal device
logical port
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CN201910865650.5A
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Chinese (zh)
Inventor
陈宝军
张彬彬
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Huawei Technologies Co Ltd
Shanghai Huawei Technologies Co Ltd
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Shanghai Huawei Technologies Co Ltd
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Priority to CN201910865650.5A priority Critical patent/CN112491515A/en
Priority to PCT/CN2020/114994 priority patent/WO2021047666A1/en
Publication of CN112491515A publication Critical patent/CN112491515A/en
Pending legal-status Critical Current

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Abstract

The embodiment of the invention discloses a sounding reference signal transmission method, related equipment and a storage medium, which are used for improving the utilization efficiency of SRS resources, and the method comprises the steps that terminal equipment sends capability information to network equipment, wherein the capability information is used for indicating that a target antenna at least corresponds to a first sounding reference signal SRS and a second SRS; the terminal device receives SRS resource configuration information from the network device, and the terminal device sends a target SRS to the network device on the target SRS resource through the target antenna, wherein the target SRS is the first SRS or the second SRS, and the target SRS is used for realizing the function of the first SRS and the function of the second SRS. Therefore, the network device can achieve the purpose of receiving the target SRS through the configured target SRS resource, effectively improve the utilization efficiency of the SRS resource, and reduce the overhead of the network device configuring the SRS resource for the terminal device.

Description

Method for transmitting sounding reference signal, related equipment and storage medium
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method for sounding reference signal transmission, a related device, and a storage medium.
Background
In the existing scheme, a terminal device sends Sounding Reference Signals (SRS) for implementing different functions to a network device, and the network device implements measurement of functions corresponding to the SRS according to the received SRS.
In order to receive the SRS with different functions, the network device needs to configure different resources for different SRSs, so that the network device can receive different SRSs through the configured different resources.
Therefore, in the existing scheme, in order to implement measurement of different SRS functions, the network device needs to use different SRS transmitted by the terminal device, so that the SRS utilization efficiency is low, and the resource utilization efficiency configured by the network device is low.
Disclosure of Invention
A first aspect of the present invention provides a method for sounding reference signal transmission, where the method includes:
a terminal device sends capability information to a network device, wherein the capability information is used for indicating that a target antenna at least corresponds to a first Sounding Reference Signal (SRS) and a second SRS, the target antenna is used for sending the first SRS and the second SRS to the network device, functions realized by the first SRS and the second SRS are different, and the target antenna is an antenna which the terminal device has; the terminal equipment receives SRS resource configuration information from the network equipment, wherein the SRS resource configuration information is used for indicating a target SRS resource configured by the network equipment; and the terminal equipment sends a target SRS to network equipment on the target SRS resource through the target antenna, wherein the target SRS is the first SRS or the second SRS, and the target SRS is used for realizing the function of the first SRS and the function of the second SRS.
The method has the advantages that under the condition that the target antenna of the terminal device corresponds to the first SRS and the second SRS, the terminal device can inform the network device of the condition that the target antenna on the terminal device side corresponds to the first SRS and the second SRS at the same time through the capability information. The network device may allocate a target SRS resource to the terminal device according to the first SRS and the second SRS with different functions, and the terminal device may send the target SRS to the network device on the target SRS resource through the target antenna, which means that the network device may receive the target SRS through the allocated target SRS resource, and the target SRS shown in this embodiment is used to implement two functions, that is, the function implemented by the first SRS and the function implemented by the second SRS.
Based on the first aspect of the present invention, in an optional implementation manner of the first aspect of the present invention, the function implemented by the first SRS is antenna polling, and the function implemented by the second SRS is codebook-based transmission.
The method in this aspect has the advantages that the function implemented by the first SRS is antenna polling, the function implemented by the second SRS is codebook-based transmission, and both the antenna polling function and the codebook-based transmission are used for measuring a channel between the network device and the terminal device, where the antenna polling is used for measuring a downlink channel between the network device and the terminal device, and the codebook-based transmission is used for measuring an uplink channel between the network device and the terminal device, and when the first SRS and the second SRS correspond to the same logical port and antenna, the terminal device can notify the network device that the first SRS and the second SRS correspond to the same logical port and antenna through the capability information, and then the network device can configure a target SRS according to the capability information, the method and the device have the advantages that the measurement of the uplink channel and the downlink channel is realized on one target SRS resource through one multiplexed target SRS, so that the utilization efficiency of the SRS resource is effectively improved, the number of the SRSs transmitted by the terminal equipment and the number of the SRSs received by the network equipment are reduced on the premise that the measurement of signals between the terminal equipment and the network equipment can be realized, and the overhead of information interaction between the network equipment and the terminal equipment is reduced.
Based on the first aspect of the present invention, in an optional implementation manner of the first aspect of the present invention, before the terminal device sends the capability information to the network device, the method further includes: and the terminal equipment receives a capability query request message from the network equipment, wherein the capability query request message is used for requesting the terminal equipment to query the first SRS and the second SRS corresponding to the target antenna at least.
The method has the advantages that the network equipment can trigger the terminal equipment to acquire the capability information by sending the capability query request message to the terminal equipment, so that the network equipment can configure the same target SRS resource for the first SRS and the second SRS, and the utilization efficiency of the SRS resource is effectively improved.
Based on the first aspect of the present invention, in an optional implementation manner of the first aspect of the present invention, after the terminal device receives the capability query request message from the network device, the method further includes: the terminal device determines a first mapping relationship, where the first mapping relationship includes a corresponding relationship between a first logical port and a first antenna, and the first logical port is a logical port corresponding to the first SRS and owned by the terminal device; the terminal device determines a second mapping relationship, where the second mapping relationship includes a correspondence between a second logical port and a second antenna, and the second logical port is a logical port corresponding to the second SRS and owned by the terminal device; if the terminal device determines that the first antenna is the same as the second antenna and the first logical port is the same as the second logical port, the terminal device generates the capability information.
Based on the first aspect of the present invention, in an optional implementation manner of the first aspect of the present invention, the generating, by the terminal device, the capability information includes: the terminal equipment generates a first indication field, wherein the first indication field is used for indicating that the first antenna is the same as the second antenna, and the first logical port is the same as the second logical port; and the terminal equipment generates the capability information comprising the first indication field.
Based on the first aspect of the present invention, in an optional implementation manner of the first aspect of the present invention, the method further includes:
if the terminal determines that the first antenna is different from the second antenna and/or the first logical port is different from the second logical port, the terminal device generates a second indication field; and the terminal equipment generates the capability information comprising the second indication field.
A second aspect of the present invention provides a method for sounding reference signal transmission, the method comprising:
the method comprises the steps that network equipment receives capability information from terminal equipment, wherein the capability information is used for indicating that a target antenna at least corresponds to a first Sounding Reference Signal (SRS) and a second SRS, the target antenna is used for sending the first SRS and the second SRS to the network equipment, functions realized by the first SRS and the second SRS are different, and the target antenna is an antenna which the terminal equipment has; the network equipment sends SRS resource configuration information to the terminal equipment, wherein the SRS resource configuration information is used for indicating a target SRS resource configured by the network equipment; the network device receives a target SRS from the terminal device through the target SRS resource, wherein the target SRS is the first SRS or the second SRS, and the target SRS is used for realizing the function of the first SRS and the function of the second SRS.
For a description of the beneficial effects of the method in this aspect, please refer to the description in the first aspect, which is not described in detail.
Based on the second aspect of the present invention, in an optional implementation manner of the second aspect of the present invention, the function implemented by the first SRS is antenna polling, and the function implemented by the second SRS is codebook-based transmission.
Based on the second aspect of the present invention, in an optional implementation manner of the second aspect of the present invention, before the network device receives the capability information from the terminal device, the method further includes: and the network equipment sends a capability query request message to the terminal equipment, wherein the capability query request message is used for requesting the terminal equipment to query the first SRS and the second SRS corresponding to the target antenna at least.
Based on the second aspect of the present invention, in an optional implementation manner of the second aspect of the present invention, after the network device receives the capability information from the terminal device, the method further includes: if the network device determines that the capability information includes the first indication field, the network device determines that a first antenna included in a first mapping relationship is the same as a second antenna included in a second mapping relationship, and a first logical port included in the first mapping relationship is the same as a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence relationship between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and possessed by the terminal device.
Based on the second aspect of the present invention, in an optional implementation manner of the second aspect of the present invention, after the network device receives the capability information from the terminal device, the method further includes: if the network device determines that the capability information includes the second indication field, the network device determines that a first antenna included in a first mapping relationship is different from a second antenna included in a second mapping relationship, and/or a first logical port included in the first mapping relationship is different from a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and included in the terminal device.
A third aspect of the present invention provides a terminal device, including:
a sending unit, configured to send capability information to a network device, where the capability information is used to indicate that a target antenna corresponds to at least a first Sounding Reference Signal (SRS) and a second SRS, the target antenna is used to send the first SRS and the second SRS to the network device, and functions implemented by the first SRS and the second SRS are different, and the target antenna is an antenna that the terminal device has;
a receiving unit, configured to receive SRS resource configuration information from the network device, where the SRS resource configuration information is used to indicate a target SRS resource configured by the network device;
the transmitting unit is further configured to transmit, through the target antenna, a target SRS to a network device on the target SRS resource, where the target SRS is the first SRS or the second SRS, and the target SRS is used to implement a function of the first SRS and a function of the second SRS.
For a description of the beneficial effects of the terminal device in this aspect, please refer to the description in the first aspect, which is not described in detail.
Based on the third aspect of the present invention, in an optional implementation manner of the third aspect of the present invention, the function implemented by the first SRS is antenna polling, and the function implemented by the second SRS is codebook-based transmission.
Based on the third aspect of the present invention, in an optional implementation manner of the third aspect of the present invention, the receiving unit is further configured to receive a capability query request message from the network device, where the capability query request message is used to request the terminal device to query the first SRS and the second SRS corresponding to the target antenna.
Based on the third aspect of the present invention, in an optional implementation manner of the third aspect of the present invention, the terminal device further includes a processing unit, where the processing unit is configured to:
determining a first mapping relationship, where the first mapping relationship includes a corresponding relationship between a first logical port and a first antenna, and the first logical port is a logical port corresponding to the first SRS and owned by the terminal device;
determining a second mapping relationship, where the second mapping relationship includes a correspondence between a second logical port and a second antenna, and the second logical port is a logical port corresponding to the second SRS and owned by the terminal device;
and if the first antenna and the second antenna are the same and the first logic port and the second logic port are the same, generating the capability information.
Based on the third aspect of the present invention, in an optional implementation manner of the third aspect of the present invention, the processing unit is further configured to:
generating a first indication field, wherein the first indication field is used for indicating that the first antenna and the second antenna are the same and the first logical port and the second logical port are the same;
generating the capability information including the first indication field.
Based on the third aspect of the present invention, in an optional implementation manner of the third aspect of the present invention, the processing unit is further configured to:
if the first antenna and the second antenna are determined to be different, and/or the first logical port and the second logical port are determined to be different, generating a second indication field;
generating the capability information including the second indication field.
In a fourth aspect of the present invention, a network device is provided, including:
a receiving unit, configured to receive capability information from a terminal device, where the capability information is used to indicate that a target antenna corresponds to at least a first Sounding Reference Signal (SRS) and a second SRS, the target antenna is used to send the first SRS and the second SRS to the network device, and functions implemented by the first SRS and the second SRS are different, and the target antenna is an antenna that the terminal device has;
a sending unit, configured to send SRS resource configuration information to the terminal device, where the SRS resource configuration information is used to indicate a target SRS resource configured by the network device;
the receiving unit is further configured to receive a target SRS from the terminal device through the target SRS resource, where the target SRS is the first SRS or the second SRS, and the target SRS is used to implement a function of the first SRS and a function of the second SRS.
Based on the fourth aspect of the present invention, in an optional implementation manner of the fourth aspect of the present invention, the function implemented by the first SRS is antenna polling, and the function implemented by the second SRS is codebook-based transmission.
Based on the fourth aspect of the present invention, in an optional implementation manner of the fourth aspect of the present invention, the sending unit is further configured to:
and sending a capability query request message to the terminal equipment, wherein the capability query request message is used for requesting the terminal equipment to query the first SRS and the second SRS corresponding to the target antenna.
Based on the fourth aspect of the present invention, in an optional implementation manner of the fourth aspect of the present invention, the network device further includes a processing unit, where the processing unit is configured to:
if it is determined that the capability information includes the first indication field, it is determined that a first antenna included in a first mapping relationship is the same as a second antenna included in a second mapping relationship, and a first logical port included in the first mapping relationship is the same as a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence relationship between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and possessed by the terminal device.
Based on the fourth aspect of the present invention, in an optional implementation manner of the fourth aspect of the present invention, the network device further includes a processing unit, where the processing unit is configured to:
if it is determined that the capability information includes the second indication field, it is determined that a first antenna included in a first mapping relationship is different from a second antenna included in a second mapping relationship, and/or a first logical port included in the first mapping relationship is different from a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence relationship between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and possessed by the terminal device.
A fifth aspect of the present invention provides a terminal device comprising a processor and a memory. The memory is adapted to store a computer program, and the processor is adapted to call and run the computer program stored in the memory, so that the terminal device performs the method of the first aspect or any possible implementation manner thereof.
A sixth aspect of the invention provides a network device comprising a processor and a memory. The memory is used for storing a computer program and the processor is used for calling and executing the computer program stored in the memory, so that the network device executes the method of the second aspect or any possible implementation manner thereof.
A seventh aspect of the present invention provides a computer-readable storage medium having stored thereon computer instructions which, when run on a computer, cause the computer to perform the method of the first or second aspect.
An eighth aspect of the present invention provides a chip comprising a processor. The processor is adapted to read and execute the computer program stored in the memory to perform the method of the first or second aspect.
Optionally, the chip further comprises a memory, and the memory and the processor are connected with the memory through a circuit or a wire.
Optionally, the chip further comprises a communication interface.
A ninth aspect of the present invention provides a computer program product comprising computer program code which, when run on a computer, causes the computer to perform the method of the first or second aspect.
A tenth aspect of the present invention provides a communication system comprising a terminal device as shown in the above third aspect and a network device as shown in the above fourth aspect.
Drawings
Fig. 1 is an architecture diagram of a communication system provided by an embodiment of the present application;
fig. 2 is a flowchart illustrating steps of an embodiment of a method for sounding reference signal transmission according to an embodiment of the present disclosure;
fig. 3 is a flowchart illustrating steps of another embodiment of a method for sounding reference signal transmission according to an embodiment of the present disclosure;
fig. 4 is a diagram illustrating an example of a correspondence relationship between a logical port and an antenna according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an embodiment of a terminal device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an embodiment of a network device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of another embodiment of a terminal device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of another embodiment of a network device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The term "and/or" appearing in the present application may be an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this application generally indicates that the former and latter related objects are in an "or" relationship.
The technical solution in the present application will be described below with reference to the accompanying drawings.
The technical solution of the embodiment of the present application is applied to a next-generation communication system (for example, a fifth-generation (5G) communication system), a fusion system of multiple access systems, or an evolved system, an enhanced mobile broadband (eMBB) of a next-generation 5G mobile communication system, mass machine type communication (mtc), ultra-reliable low-latency communication (urrllc), or a new communication system appearing in the future.
Terminal equipment in the embodiments of the present application may refer to user equipment, access terminals, subscriber units, subscriber stations, mobile stations, remote terminals, mobile devices, user terminals, wireless communication devices, user agents, or user devices. The terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network or a terminal device in a future evolved Public Land Mobile Network (PLMN), etc., which is not limited in this application.
The network device in the embodiment of the present application may be any device having a wireless transceiving function. The network devices include, but are not limited to: an evolved Node B (eNB), a Radio Network Controller (RNC), a Node B (NB), a Base Station Controller (BSC), a Base Transceiver Station (BTS), a home base station (home evolved Node B, or home Node B, HNB), a baseband unit (BBU), an Access Point (AP) in a wireless fidelity (WIFI) system, a wireless relay Node, a wireless backhaul Node, a Transmission Point (TP) or a transmission and reception point (TRP, TP), etc., and may also be a gbb or a transmission point (TRP or TP) in a fifth generation (trpg) system, one or more antennas of a base station (eNB) in a 5G system may also comprise a set of antennas, or a network panel may also comprise a network controller (RNC), such as a baseband unit (BBU) or a Distributed Unit (DU).
In some deployments, the gNB may include a Centralized Unit (CU) and a Distributed Unit (DU). The gNB may also include an Active Antenna Unit (AAU). The CU implements part of the function of the gNB and the DU implements part of the function of the gNB. For example, a CU is responsible for handling non-real-time protocols and services, and implementing functions of a Radio Resource Control (RRC) layer and a Packet Data Convergence Protocol (PDCP) layer. The DU is responsible for processing a physical layer protocol and a real-time service, and implements functions of a Radio Link Control (RLC) layer, a Medium Access Control (MAC) layer, and a Physical (PHY) layer. The AAU implements part of the physical layer processing functions, radio frequency processing and active antenna related functions. Since the information of the RRC layer eventually becomes or is converted from the information of the PHY layer, the higher layer signaling, such as the RRC layer signaling, may also be considered to be transmitted by the DU or by the DU and the AAU under this architecture.
It is to be understood that the network device may be a device comprising one or more of a CU, a DU, an AAU. In addition, the CU may be divided into network devices in an access network (RAN), or may be divided into network devices in a Core Network (CN), which is not limited in this application.
Referring to fig. 1, fig. 1 is an architecture diagram of a communication system according to an embodiment of the present disclosure. Fig. 1 is applicable to the present application embodiment. As shown in fig. 1, the wireless communication system may include at least one network device 101, and the network device 101 and one or more terminal devices (e.g., terminal device 102 and terminal device 103 shown in fig. 1) communicate using a wireless communication technology. In downlink transmission, a network device is a transmitting end, and a terminal device is a receiving end. In uplink transmission, the terminal device is a transmitting end, and the network device is a receiving end.
It should be understood that the illustration in fig. 1 is merely an example, and one or more network devices, as well as one or more terminal devices, may be included in a communication system, and are not limited thereto.
An embodiment of a method for sounding reference signal transmission provided by the present application is exemplarily described below with reference to fig. 2:
step 201, the terminal device sends the capability information to the network device.
The capability information (UE capability information) shown in this embodiment is used to indicate two or more SRSs corresponding to the target antenna. In this embodiment, the number of SRSs corresponding to the target antenna included in the capability information and the functions implemented by each SRS are not limited, as long as all the SRSs corresponding to the target antenna are respectively used for implementing different functions. The target antenna is an antenna of the terminal device, and the antenna shown in this embodiment may be a physical antenna, a virtual antenna, a user transmission port, a user port, or the like of the terminal device.
In this embodiment, an example is given that the target antenna corresponds to two SRSs, that is, the target antenna corresponds to a first SRS and a second SRS, where functions implemented by the first SRS and the second SRS are different.
The functions implemented by the SRS shown in this embodiment may be any one of the following:
beam management (beammanagement), antenna polling (antenna switching), codebook-based transmission (codebook) or non-codebook-based transmission (non-codebook).
The following takes the first SRS as an example to illustrate the functions implemented by the first SRS:
example 1
If the function implemented by the first SRS is beam management, the network device may configure SRS resources for the first SRS for implementing beam management, and the terminal device may transmit the first SRS in one or more transmission beams in the SRS resources.
Example 2
If the function implemented by the first SRS is antenna polling, when it is determined that the first SRS needs to be transmitted, the terminal device may cyclically switch, according to a preset sequence for all antennas of the terminal device, to use the antennas to transmit the first SRS to the network device, for example, the terminal device has two antennas, the numbers of which are respectively 0 and 1, and the terminal device may cyclically use the antenna 0 and the antenna 1 according to the set sequence to transmit the first SRS to the network device.
Example 3
If the function of the first SRS is codebook-based transmission, the network device indicates, to the terminal device, the SRS resource and the corresponding codebook information, so that the terminal device can transmit a Physical Uplink Shared Channel (PUSCH) by using a codebook determined based on the codebook information according to the SRS resource indicated by the network device.
Example 4
If the function of the first SRS is non-codebook-based transmission, the network device may indicate a Channel State Information Reference Signal (CSI-RS) resource associated with the SRS resource, and the terminal device determines precoding on the SRS resource based on measurement on the CSI-RS resource, so that the terminal device transmits a Physical Uplink Shared Channel (PUSCH) using the indicated precoding on the SRS resource.
Step 202, the network device receives capability information from the terminal device.
Step 203, the network device sends SRS resource configuration information to the terminal device.
In this embodiment, the network device may configure, for the capability information sent by the terminal device, SRS resource configuration information for the terminal device, where the SRS resource configuration information is used to indicate a target SRS resource configured by the network device, so that the terminal device sends the first SRS and the second SRS through the target SRS resource indicated by the SRS resource configuration information.
Specifically, after receiving the capability information, the network device may configure the target SRS resource for the terminal device according to the capability information, where the SRS resource configuration information is used to indicate a frequency domain resource, a time domain resource, a code domain resource, and the like of the target SRS resource.
Step 204, the terminal device receives SRS resource configuration information from the network device.
In this embodiment, when the terminal device receives the SRS resource configuration information sent by the network device, the terminal device may determine the target resource according to the SRS resource configuration information, that is, determine the frequency domain resource, the time domain resource, the code domain resource, and the like of the target resource.
Step 205, the terminal device sends the target SRS to the network device on the target SRS resource through the target antenna.
In this embodiment, the terminal device has determined a target antenna for transmitting the first SRS and the second SRS to a network device, and the terminal device has determined a frequency domain resource, a time domain resource, and a code domain resource of a target resource according to the SRS resource configuration information, so that the terminal device can transmit the target SRS to the network device on the target SRS resource through the target antenna, where the target SRS is the first SRS or the second SRS, and the target SRS is used to implement the function of the first SRS and the function of the second SRS, for example, if the first SRS is used to implement the function of antenna polling and the second SRS is used to implement the function of codebook-based transmission, the target SRS shown in this embodiment is simultaneously used to implement the function of antenna polling and the function of codebook-based transmission.
Step 206, the network device receives the target SRS from the terminal device through the target SRS resource.
The network device can measure the transmission environment between the network device and the terminal device based on the target SRS.
By adopting the method shown in this embodiment, when the target antenna of the terminal device corresponds to the first SRS and the second SRS, the terminal device can notify the network device of the situation that the target antenna of the terminal device corresponds to the first SRS and the second SRS at the same time through the capability information. The network device may allocate a target SRS resource to the terminal device according to the first SRS and the second SRS with different functions, and the terminal device may send the target SRS to the network device on the target SRS resource through the target antenna, which means that the network device may receive the target SRS through the allocated target SRS resource, and the target SRS shown in this embodiment is used to implement two functions, that is, the function implemented by the first SRS and the function implemented by the second SRS.
To better understand the method for sounding reference signal transmission shown in this application, an embodiment of the method for sounding reference signal transmission shown in this application is described below with reference to fig. 3, in this embodiment, a target antenna corresponds to a first SRS and a second SRS, and a function implemented by the first SRS is antenna polling, and a function implemented by the second SRS is exemplarily described by taking codebook-based transmission as an example:
step 301, the network device sends a capability query request message to the terminal device.
In this embodiment, in order to achieve the purpose of effectively saving SRS resources, the network device may send the capability query request message (UE capability enqiry) to the terminal device, where the network device is configured to request the terminal device for the capability information through the capability query request message.
Step 302, the terminal device receives a capability query request message from the network device.
And step 303, the terminal device queries according to the capability query request message to acquire the capability information.
In this embodiment, when the terminal device receives the capability query request message from the network device, the terminal device may query a mapping relationship that has been stored in the terminal device, where the mapping relationship shown in this embodiment is a logical port corresponding to an SRS implementing different functions and a corresponding relationship between the logical port and an antenna;
the terminal device may query whether a first mapping relationship and a second mapping relationship exist, where the first mapping relationship includes a corresponding relationship between a first logical port and a first antenna, the first logical port is a logical port that the terminal device has and corresponds to the first SRS, and a function implemented by the first SRS shown in this embodiment is antenna polling;
the terminal device determines a second mapping relationship, where the second mapping relationship includes a corresponding relationship between a second logical port and a second antenna, and the second logical port is a logical port that the terminal device has and corresponds to the second SRS.
If the terminal device determines that the first antenna is the same as the second antenna and the first logical port is the same as the second logical port, the terminal device generates the capability information.
The following is illustrated in connection with fig. 4:
as shown in fig. 4, take the terminal device with transmitting antenna 0, transmitting antenna 1 and transmitting antenna 2 as an example, and take transmitting antenna 0 corresponding to logical port 0, transmitting antenna 1 corresponding to logical port 0, and transmitting antenna 2 corresponding to logical port 3 as an example;
if the first mapping relation queried by the terminal device includes a corresponding relation between a logical port 0 and a transmitting antenna 0, and the logical port 0 is a logical port corresponding to the first SRS;
the second mapping relationship queried by the terminal device also includes a corresponding relationship between a logical port 0 and a transmitting antenna 0, and the logical port 0 is a logical port corresponding to the second SRS, it can be seen that the first SRS and the second SRS queried by the terminal device correspond to the same logical port and antenna, and then the terminal device can generate capability information for indicating that the first SRS and the second SRS correspond to the same logical port and antenna.
If the first mapping relation queried by the terminal device includes a corresponding relation between a logical port 0 and a transmitting antenna 0, and the logical port 0 is a logical port corresponding to the first SRS;
the second mapping relationship queried by the terminal device also includes a corresponding relationship between a logical port 3 and a transmitting antenna 2, and the logical port 3 is a logical port corresponding to the second SRS, it can be seen that, if the logical port and the antenna corresponding to the first SRS queried by the terminal device are different from the logical port and the antenna corresponding to the second SRS, the terminal device can generate capability information indicating that the first SRS and the second SRS do not have the same logical port and antenna.
Optionally, the capability information shown in this embodiment may indicate, to the network device, that the first SRS and the second SRS correspond to the same logical port and antenna through a first indication field, that is, the first indication field is used to indicate that the first antenna and the second antenna are the same, and the first logical port and the second logical port are the same;
the capability information may further indicate, to the network device through a second indication field, that the first SRS and the second SRS correspond to different logical ports and/or that the first SRS and the second SRS correspond to different antennas, that is, the second indication field is used to indicate that the first antenna and the second antenna are different and/or that the first logical port and the second logical port are different.
In this embodiment, specific types of the first indication field and the second indication field are not limited, as long as the terminal device can indicate, to the network device, whether the first SRS and the second SRS correspond to the same logical port and antenna according to the first indication field and the second indication field.
Specifically, a first indication field included in the capability information shown in this embodiment is "true", and the first indication field is used to indicate that the first SRS and the second SRS correspond to the same logical port and antenna; if a second indication field included in the capability information is "false", the second indication field is used to indicate that the first SRS and the second SRS correspond to different logical ports and/or antennas.
Step 304, the terminal device sends the capability information to the network device.
Step 305, the network device receives the capability information from the terminal device.
The execution process of step 304 to step 305 in this embodiment is shown in step 201 to step 202 in fig. 2, and the specific execution process is not described in detail in this embodiment.
Step 306, the network device sends SRS resource configuration information to the terminal device.
In this embodiment, if the capability information includes the first field, the network device may configure a target SRS resource according to the capability information, and please refer to fig. 2 for details of the specific description of the target SRS resource, which is not specifically described in this embodiment.
If the capability information includes the second field, the network device may configure a first SRS resource and a second SRS resource according to the capability information, where the first SRS resource is used for transmitting the first SRS, and the second SRS resource is used for transmitting the second SRS, and the SRS resource configuration information generated by the network device is used to indicate the first SRS resource and the second SRS resource.
And step 307, the terminal equipment transmits the SRS according to the instruction of the SRS resource configuration information.
Optionally, if the capability information includes the first field, the network device may indicate, to the terminal device, one SRS resource, that is, a target SRS resource, through the SRS resource configuration information, and the terminal device may send, to the network device, the target SRS resource on the target SRS resource through the target antenna according to the indication of the SRS resource configuration information.
Optionally, if the capability information includes the second field, the network device may indicate, to the terminal device, two different SRS resources, that is, a first SRS resource and a second SRS resource, through the SRS configuration information, and the terminal device may send, according to the indication of the SRS resource configuration information, the first SRS to the network device on the first SRS resource through the first antenna; the terminal device may further send, according to the indication of the SRS resource configuration information, a second SRS to the network device on the second SRS resource through the second antenna.
Step 308, the network device receives the SRS from the terminal device.
Optionally, if the terminal device sends the target SRS to the network device on the target SRS resource through the target antenna, the network device may receive the target SRS through the target SRS resource.
Optionally, if the terminal device passes through the first antenna, the first SRS is sent to the network device on the first SRS resource; the terminal device may further send a second SRS to the network device on the second SRS resource through the second antenna, so that the network device may receive the first SRS through the first SRS resource and may also receive the second SRS through the second SRS resource.
The reason why the function implemented by the first SRS is antenna polling and the function implemented by the second SRS is codebook-based transmission in this embodiment is that the function implemented by the first SRS and the function implemented by the second SRS are both used to measure a channel between a network device and a terminal device, where antenna polling is used to measure a downlink channel between the network device and the terminal device, and codebook-based transmission is used to measure an uplink channel between the network device and the terminal device, and in a case where the first SRS and the second SRS correspond to the same logical port and antenna, the terminal device may notify the network device of the fact that the first SRS and the second SRS correspond to the same logical port and antenna through capability information, and then the network device may configure a target SRS according to the capability information, that is, through a multiplexed target SRS, the method and the device have the advantages that the measurement of the uplink channel and the downlink channel is realized on one target SRS resource, so that the utilization efficiency of the SRS resource is effectively improved, the number of the SRSs transmitted by the terminal equipment and the number of the SRSs received by the network equipment are reduced on the premise that the measurement of signals between the terminal equipment and the network equipment can be realized, and the overhead of information interaction between the network equipment and the terminal equipment is reduced.
Referring to fig. 5, an exemplary block diagram of the terminal device side apparatus 500 provided in this embodiment is shown below, specifically, the terminal device side apparatus 500 shown in this embodiment is used to execute the functions executed by the terminal device in the foregoing method embodiments.
The terminal equipment side device comprises a sending unit 501 and a receiving unit 502;
the sending unit 501 is configured to send capability information to a network device, where the capability information is used to indicate that a target antenna corresponds to at least a first sounding reference signal SRS and a second SRS, the target antenna is used to send the first SRS and the second SRS to the network device, and the first SRS and the second SRS have different functions, and the target antenna is an antenna that the terminal device has;
the receiving unit 502 is configured to receive SRS resource configuration information from the network device, where the SRS resource configuration information is used to indicate a target SRS resource configured by the network device;
the sending unit 501 is further configured to send, through the target antenna, a target SRS to a network device on the target SRS resource, where the target SRS is the first SRS or the second SRS, and the target SRS is used to implement a function of the first SRS and a function of the second SRS.
Optionally, the function implemented by the first SRS is antenna polling, and the function implemented by the second SRS is codebook-based transmission.
Optionally, the receiving unit 502 is further configured to receive a capability query request message from the network device, where the capability query request message is used to request the terminal device to query the first SRS and the second SRS corresponding to the target antenna.
Optionally, the terminal device-side apparatus 500 further includes a processing unit 503, where the processing unit 503 is configured to:
determining a first mapping relationship, where the first mapping relationship includes a corresponding relationship between a first logical port and a first antenna, and the first logical port is a logical port corresponding to the first SRS and owned by the terminal device;
determining a second mapping relationship, where the second mapping relationship includes a correspondence between a second logical port and a second antenna, and the second logical port is a logical port corresponding to the second SRS and owned by the terminal device;
and if the first antenna and the second antenna are the same and the first logic port and the second logic port are the same, generating the capability information.
Optionally, the processing unit 503 is further configured to:
generating a first indication field, wherein the first indication field is used for indicating that the first antenna and the second antenna are the same and the first logical port and the second logical port are the same;
generating the capability information including the first indication field.
Optionally, the processing unit 503 is further configured to:
if the first antenna and the second antenna are determined to be different, and/or the first logical port and the second logical port are determined to be different, generating a second indication field;
generating the capability information including the second indication field.
In one implementation, the terminal device side apparatus 500 may be a terminal device in the method embodiment. The terminal device side apparatus 800 includes corresponding units for performing corresponding operations and/or processes performed by the terminal device in the method embodiments, respectively.
In another implementation, the terminal device side apparatus 500 may be a chip or an integrated circuit.
In one implementation, the processing unit 503 may be a processing device, and the functions of the processing device may be partially or wholly implemented by software. Alternatively, the functions of the processing means may be partly or wholly implemented by software. At this time, the processing device may include a memory for storing the computer program and a processor for reading and executing the computer program stored in the memory to perform the corresponding processes and/or steps in any one of the method embodiments.
Alternatively, the processing means may comprise only a processor. The memory for storing the computer program is located outside the processing device and the processor is connected to the memory by means of circuits/wires to read and execute the computer program stored in the memory.
Alternatively, the functions of the processing means may be partly or wholly implemented by hardware. At this time, the processing device may include an input interface circuit, a logic circuit, and an output interface circuit.
Referring to fig. 6, an exemplary structure diagram of the network device side apparatus 600 provided in this embodiment is shown below, specifically, the network device side apparatus 600 shown in this embodiment is used to execute the functions executed by the network device in the foregoing method embodiments.
The network device side apparatus 600 includes:
a receiving unit 601, configured to receive capability information from a terminal device, where the capability information is used to indicate that a target antenna corresponds to at least a first sounding reference signal SRS and a second SRS, the target antenna is used to send the first SRS and the second SRS to the network device, and the first SRS and the second SRS have different functions, and the target antenna is an antenna that the terminal device has;
a sending unit 602, configured to send SRS resource configuration information to the terminal device, where the SRS resource configuration information is used to indicate a target SRS resource configured by the network device;
the receiving unit 601 is further configured to receive a target SRS from the terminal device through the target SRS resource, where the target SRS is the first SRS or the second SRS, and the target SRS is used to implement a function of the first SRS and a function of the second SRS.
Optionally, the function implemented by the first SRS is antenna polling, and the function implemented by the second SRS is codebook-based transmission.
Optionally, the sending unit 602 is further configured to:
and sending a capability query request message to the terminal equipment, wherein the capability query request message is used for requesting the terminal equipment to query the first SRS and the second SRS corresponding to the target antenna.
Optionally, the network device further includes a processing unit 603, where the processing unit 603 is configured to:
if it is determined that the capability information includes the first indication field, it is determined that a first antenna included in a first mapping relationship is the same as a second antenna included in a second mapping relationship, and a first logical port included in the first mapping relationship is the same as a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence relationship between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and possessed by the terminal device.
Optionally, the network device further includes a processing unit 603, where the processing unit 603 is configured to:
if it is determined that the capability information includes the second indication field, it is determined that a first antenna included in a first mapping relationship is different from a second antenna included in a second mapping relationship, and/or a first logical port included in the first mapping relationship is different from a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence relationship between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and possessed by the terminal device.
In an implementation manner, the network device side apparatus 600 may be a network device in the method embodiment. The network device side apparatus 600 includes corresponding units for performing corresponding operations and/or processes performed by the network device in the method embodiments, respectively.
In another implementation, the network device side apparatus 600 may be a chip or an integrated circuit.
In one implementation, the processing unit 603 may be a processing device, and the functions of the processing device may be partially or wholly implemented by software. Alternatively, the functions of the processing means may be partly or wholly implemented by software. At this time, the processing device may include a memory for storing the computer program and a processor for reading and executing the computer program stored in the memory to perform the corresponding processes and/or steps in any one of the method embodiments.
Alternatively, the processing means may comprise only a processor. The memory for storing the computer program is located outside the processing device and the processor is connected to the memory by means of circuits/wires to read and execute the computer program stored in the memory.
Alternatively, the functions of the processing means may be partly or wholly implemented by hardware. At this time, the processing device may include an input interface circuit, a logic circuit, and an output interface circuit.
The following describes, with reference to fig. 7, a specific structure of the terminal device provided in the present application from the perspective of physical hardware:
referring to fig. 7, fig. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present application. As shown in fig. 7, the terminal device 7000 includes a processor 7001, a transceiver 7002, and a memory 7003. The processor 7001, the transceiver 7002, and the memory 7003 may communicate with each other via internal connection paths, and may transmit control signals and/or data signals. The memory 7003 is used for storing computer programs, and the processor 7001 is used for calling and executing the computer programs from the memory 7003 to control the transceiver 7002 to transmit and receive signals.
Alternatively, the processor 7001 and the memory 7003 may be integrated into one processing apparatus, and the processor 7001 is configured to execute the program codes stored in the memory 7003 to realize the above-described functions.
Alternatively, the memory 7003 may be integrated in the processor 7001. Alternatively, the memory 7003 is independent of the processor 7001, i.e., is located outside the processor 7001.
The processor 7001 may be used to perform the actions internally implemented by the terminal device described in the previous method embodiments. The transceiver 7002 may be used to perform actions of receiving or transmitting performed by the terminal device, and the memory 7003 is used to implement a stored function.
Optionally, terminal device 7000 may also include a power supply 7005 for providing power to various devices or circuits in the terminal device.
In addition to this, in order to further improve the functions of the terminal device, the terminal device 7000 may further include one or more of the input unit 7006, the display unit 7007, the audio circuit 7008, the display unit 7007, the camera 7009, the sensor 7010, and the like. The audio circuitry may also include a speaker 70081, a microphone 70082, and the like.
Alternatively, the input unit 7006 may be a signal input interface, and the display unit 7007 may be a signal output interface.
The following describes, with reference to fig. 8, a specific structure of the network device provided in the present application from the perspective of physical hardware:
fig. 8 is a schematic diagram of a network device 800 according to an embodiment of the present invention, where the network device 800 may have a relatively large difference due to different configurations or performances, and may include one or more Central Processing Units (CPUs) 822 (e.g., one or more processors) and a memory 832, and one or more storage media 830 (e.g., one or more mass storage devices) for storing applications 842 or data 844. Memory 832 and storage medium 830 may be, among other things, transient or persistent storage. The program stored in the storage medium 830 may include one or more modules (not shown), each of which may include a series of instructions operating on the network device. Still further, a central processor 822 may be provided in communication with the storage medium 830 for executing a series of instruction operations in the storage medium 830 on the network device 800.
Network device 800 may also include one or more power supplies 826, one or more wired or wireless network interfaces 850, one or more input-output interfaces 858, and/or one or more operating systems 841.
In addition, the present application also provides a communication system, including the terminal device in the method embodiments of the present application. The communication system may further include a network device.
The present application also provides a computer-readable storage medium having a computer program stored thereon, where the computer program, when executed by a computer, causes the computer to perform the operations and/or processes performed by the terminal device or the network device in any one of the method embodiments.
The present application further provides a computer program product comprising computer program code to, when run on a computer, cause the computer to perform the operations and/or processes performed by the terminal device or by the network device in any of the method embodiments.
The present application further provides a chip comprising a processor. A memory for storing the computer program is provided separately from the chip, and a processor is configured to execute the computer program stored in the memory to perform the operations and/or processes performed by the terminal device or by the network device in any of the method embodiments.
Further, the chip may also include a memory and/or a communication interface. The communication interface may be an input-output interface, an input-output circuit, etc.
The processor referred to in the embodiments above may be an integrated circuit chip having the capability of processing signals. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The processor may be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, or discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware encoding processor, or implemented by a combination of hardware and software modules in the encoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware, depending on the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (23)

1. A method for sounding reference signal transmission, the method comprising:
a terminal device sends capability information to a network device, wherein the capability information is used for indicating that a target antenna at least corresponds to a first Sounding Reference Signal (SRS) and a second SRS, the target antenna is used for sending the first SRS and the second SRS to the network device, functions realized by the first SRS and the second SRS are different, and the target antenna is an antenna which the terminal device has;
the terminal equipment receives SRS resource configuration information from the network equipment, wherein the SRS resource configuration information is used for indicating a target SRS resource configured by the network equipment;
and the terminal equipment sends a target SRS to network equipment on the target SRS resource through the target antenna, wherein the target SRS is the first SRS or the second SRS, and the target SRS is used for realizing the function of the first SRS and the function of the second SRS.
2. The method of claim 1, wherein the first SRS implements antenna polling and the second SRS implements codebook-based transmission.
3. The method according to claim 1 or 2, wherein before the terminal device sends the capability information to the network device, the method further comprises:
and the terminal equipment receives a capability query request message from the network equipment, wherein the capability query request message is used for requesting the terminal equipment to query the first SRS and the second SRS corresponding to the target antenna at least.
4. The method of claim 3, wherein after the terminal device receives the capability query request message from the network device, the method further comprises:
the terminal device determines a first mapping relationship, where the first mapping relationship includes a corresponding relationship between a first logical port and a first antenna, and the first logical port is a logical port corresponding to the first SRS and owned by the terminal device;
the terminal device determines a second mapping relationship, where the second mapping relationship includes a correspondence between a second logical port and a second antenna, and the second logical port is a logical port corresponding to the second SRS and owned by the terminal device;
if the terminal device determines that the first antenna is the same as the second antenna and the first logical port is the same as the second logical port, the terminal device generates the capability information.
5. The method of claim 4, wherein the generating of the capability information by the terminal device comprises:
the terminal equipment generates a first indication field, wherein the first indication field is used for indicating that the first antenna is the same as the second antenna, and the first logical port is the same as the second logical port;
and the terminal equipment generates the capability information comprising the first indication field.
6. The method of claim 4, further comprising:
if the terminal determines that the first antenna is different from the second antenna and/or the first logical port is different from the second logical port, the terminal device generates a second indication field;
and the terminal equipment generates the capability information comprising the second indication field.
7. A method for sounding reference signal transmission, the method comprising:
the method comprises the steps that network equipment receives capability information from terminal equipment, wherein the capability information is used for indicating that a target antenna at least corresponds to a first Sounding Reference Signal (SRS) and a second SRS, the target antenna is used for sending the first SRS and the second SRS to the network equipment, functions realized by the first SRS and the second SRS are different, and the target antenna is an antenna which the terminal equipment has;
the network equipment sends SRS resource configuration information to the terminal equipment, wherein the SRS resource configuration information is used for indicating a target SRS resource configured by the network equipment;
the network device receives a target SRS from the terminal device through the target SRS resource, wherein the target SRS is the first SRS or the second SRS, and the target SRS is used for realizing the function of the first SRS and the function of the second SRS.
8. The method of claim 7, wherein the first SRS implemented function is antenna polling and the second SRS implemented function is codebook-based transmission.
9. The method according to claim 7 or 8, wherein before the network device receives the capability information from the terminal device, the method further comprises:
and the network equipment sends a capability query request message to the terminal equipment, wherein the capability query request message is used for requesting the terminal equipment to query the first SRS and the second SRS corresponding to the target antenna at least.
10. The method according to any of claims 7 to 9, wherein after the network device receives the capability information from the terminal device, the method further comprises:
if the network device determines that the capability information includes the first indication field, the network device determines that a first antenna included in a first mapping relationship is the same as a second antenna included in a second mapping relationship, and a first logical port included in the first mapping relationship is the same as a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence relationship between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and possessed by the terminal device.
11. The method according to any of claims 7 to 9, wherein after the network device receives the capability information from the terminal device, the method further comprises:
if the network device determines that the capability information includes the second indication field, the network device determines that a first antenna included in a first mapping relationship is different from a second antenna included in a second mapping relationship, and/or a first logical port included in the first mapping relationship is different from a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and included in the terminal device.
12. A terminal device, comprising:
a sending unit, configured to send capability information to a network device, where the capability information is used to indicate that a target antenna corresponds to at least a first Sounding Reference Signal (SRS) and a second SRS, the target antenna is used to send the first SRS and the second SRS to the network device, and functions implemented by the first SRS and the second SRS are different, and the target antenna is an antenna that the terminal device has;
a receiving unit, configured to receive SRS resource configuration information from the network device, where the SRS resource configuration information is used to indicate a target SRS resource configured by the network device;
the transmitting unit is further configured to transmit, through the target antenna, a target SRS to a network device on the target SRS resource, where the target SRS is the first SRS or the second SRS, and the target SRS is used to implement a function of the first SRS and a function of the second SRS.
13. The terminal device of claim 12, wherein the first SRS implements a function of antenna polling and the second SRS implements a function of codebook-based transmission.
14. The terminal device according to claim 12 or 13, wherein the receiving unit is further configured to receive a capability query request message from the network device, where the capability query request message is used to request the terminal device to query for at least the first SRS and the second SRS corresponding to the target antenna.
15. The terminal device of claim 14, further comprising a processing unit configured to:
determining a first mapping relationship, where the first mapping relationship includes a corresponding relationship between a first logical port and a first antenna, and the first logical port is a logical port corresponding to the first SRS and owned by the terminal device;
determining a second mapping relationship, where the second mapping relationship includes a correspondence between a second logical port and a second antenna, and the second logical port is a logical port corresponding to the second SRS and owned by the terminal device;
and if the first antenna and the second antenna are the same and the first logic port and the second logic port are the same, generating the capability information.
16. The terminal device of claim 15, wherein the processing unit is further configured to:
generating a first indication field, wherein the first indication field is used for indicating that the first antenna and the second antenna are the same and the first logical port and the second logical port are the same;
generating the capability information including the first indication field.
17. The terminal device of claim 15, wherein the processing unit is further configured to:
if the first antenna and the second antenna are determined to be different, and/or the first logical port and the second logical port are determined to be different, generating a second indication field;
generating the capability information including the second indication field.
18. A network device, comprising:
a receiving unit, configured to receive capability information from a terminal device, where the capability information is used to indicate that a target antenna corresponds to at least a first Sounding Reference Signal (SRS) and a second SRS, the target antenna is used to send the first SRS and the second SRS to the network device, and functions implemented by the first SRS and the second SRS are different, and the target antenna is an antenna that the terminal device has;
a sending unit, configured to send SRS resource configuration information to the terminal device, where the SRS resource configuration information is used to indicate a target SRS resource configured by the network device;
the receiving unit is further configured to receive a target SRS from the terminal device through the target SRS resource, where the target SRS is the first SRS or the second SRS, and the target SRS is used to implement a function of the first SRS and a function of the second SRS.
19. The network device of claim 18, wherein the first SRS implemented function is antenna polling and the second SRS implemented function is codebook-based transmission.
20. The network device according to claim 18 or 19, wherein the sending unit is further configured to:
and sending a capability query request message to the terminal equipment, wherein the capability query request message is used for requesting the terminal equipment to query the first SRS and the second SRS corresponding to the target antenna.
21. The network device of any one of claims 18 to 20, further comprising a processing unit configured to:
if it is determined that the capability information includes the first indication field, it is determined that a first antenna included in a first mapping relationship is the same as a second antenna included in a second mapping relationship, and a first logical port included in the first mapping relationship is the same as a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence relationship between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and possessed by the terminal device.
22. The network device of any one of claims 18 to 20, further comprising a processing unit configured to:
if it is determined that the capability information includes the second indication field, it is determined that a first antenna included in a first mapping relationship is different from a second antenna included in a second mapping relationship, and/or a first logical port included in the first mapping relationship is different from a second logical port included in the second mapping relationship, where the first mapping relationship includes a correspondence relationship between the first logical port and the first antenna, and the first logical port is a logical port corresponding to the first SRS and possessed by the terminal device.
23. A computer-readable storage medium, in which a computer program is stored which, when executed on a computer, causes the computer to carry out the method according to any one of claims 1-11.
CN201910865650.5A 2019-09-12 2019-09-12 Method for transmitting sounding reference signal, related equipment and storage medium Pending CN112491515A (en)

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Application publication date: 20210312