CN110650485B - Antenna switching transmission mode indication method for SRS, terminal equipment and network equipment - Google Patents
Antenna switching transmission mode indication method for SRS, terminal equipment and network equipment Download PDFInfo
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- CN110650485B CN110650485B CN201810670756.5A CN201810670756A CN110650485B CN 110650485 B CN110650485 B CN 110650485B CN 201810670756 A CN201810670756 A CN 201810670756A CN 110650485 B CN110650485 B CN 110650485B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the specification discloses an antenna switching transmission mode indication method for an SRS, a terminal device and a network device, and solves the problem that the terminal device cannot dynamically adjust the antenna switching transmission mode for the SRS according to the electric quantity or power consumption of the terminal device. The terminal equipment supports a plurality of antenna switching transmission modes for SRS, and the method can be executed by the terminal equipment and comprises the following steps: transmitting power saving request information; receiving SRS configuration information, wherein the SRS configuration information indicates an antenna switching transmission mode used for SRS by the terminal equipment and SRS resource set configuration information corresponding to the antenna switching transmission mode used for SRS.
Description
Technical Field
The present specification relates to the field of communications technologies, and in particular, to an antenna switching transmission method for Sounding Reference Signal (SRS), a terminal device, and a network device.
Background
In a fifth Generation (5th Generation, 5G) mobile communication system, a terminal device supporting an antenna switching transmission scheme (SRS antenna switching) for an SRS includes: 1T 2R; 2T 4R; 1T4R or T ═ R, etc., according to the difference of SRS transmission periods, the SRS may be divided into periodic transmission, semi-persistent transmission and aperiodic touch transmission, and SRS antenna switching transmission is suitable for a scenario where uplink and downlink have reciprocity, and is used for a network device to acquire downlink channel information. In the prior art, the power consumption or power consumption of the terminal device is not considered when the terminal device sends the SRS, and the antenna switching transmission mode for the SRS cannot be dynamically adjusted according to the power consumption or power consumption, which may cause the power consumption of the terminal device to be increased and the standby time to be shortened.
Disclosure of Invention
An object of the embodiments of the present specification is to provide an antenna switching transmission method for an SRS, a terminal device, and a network device, which solve a problem that the terminal device cannot dynamically adjust the antenna switching transmission method for the SRS according to an electric quantity thereof.
In a first aspect, a method for indicating an antenna switching transmission mode for an SRS is provided, where the method is performed by a terminal device, and the terminal device supports multiple antenna switching transmission modes for the SRS, and the method includes: transmitting power saving request information; receiving SRS configuration information, wherein the SRS configuration information indicates an antenna switching transmission mode used for SRS by the terminal equipment and SRS resource set configuration information corresponding to the antenna switching transmission mode used for SRS.
In a second aspect, a method for indicating an antenna switching transmission mode for SRS is provided, where the method is performed by a network device, and the method includes: receiving power saving request information; and sending SRS configuration information, wherein the SRS configuration information indicates an antenna switching transmission mode used for SRS by the terminal equipment and SRS resource set configuration information corresponding to the antenna switching transmission mode used for SRS, and the terminal equipment supports multiple antenna switching transmission modes used for SRS.
In a third aspect, a terminal device is provided, where the terminal device supports multiple antenna switching transmission modes for SRS, and the terminal device includes: a transmitting module for transmitting power saving request information; a receiving module, configured to receive SRS configuration information, where the SRS configuration information indicates an antenna switching transmission mode used by the terminal device for SRS and SRS resource set configuration information corresponding to the antenna switching transmission mode used for SRS.
In a fourth aspect, a network device is provided, the network device comprising: a receiving module for receiving power saving request information; a sending module, configured to send SRS configuration information, where the SRS configuration information indicates an antenna switching transmission mode for SRS by a terminal device and SRS resource set configuration information corresponding to the antenna switching transmission mode for SRS, and the terminal device supports multiple antenna switching transmission modes for SRS.
In a fifth aspect, a terminal device is provided, which includes a processor, a memory and a computer program stored on the memory and executable on the processor, and when executed by the processor, the computer program implements the steps of the antenna switching transmission manner indication method for SRS according to the first aspect.
In a sixth aspect, a network device is provided, which comprises a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the antenna switching transmission manner indication method for SRS according to the second aspect.
In a seventh aspect, a computer-readable storage medium is provided, on which a computer program is stored, which, when being executed by a processor, implements the steps of the method for indicating antenna switching transmission mode for SRS according to the first aspect.
In an eighth aspect, a computer-readable storage medium is provided, on which a computer program is stored, which, when executed by a processor, implements the steps of the method for indicating antenna switching transmission mode for SRS according to the second aspect.
In the embodiment of the invention, the terminal equipment supports various antenna switching transmission modes for the SRS, the terminal equipment can send power saving request information to the network equipment when the electric quantity is insufficient or the terminal equipment is expected to be in an energy saving mode, and the network equipment can configure the antenna switching transmission mode for the SRS and corresponding SRS resource set configuration information for the terminal equipment, so that the problem that the terminal equipment cannot dynamically adjust the antenna switching transmission mode for the SRS according to the electric quantity is solved, and the communication effectiveness is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the specification and are incorporated in and constitute a part of this specification, illustrate embodiments of the specification and together with the description serve to explain the specification and not to limit the specification in a non-limiting sense. In the drawings:
fig. 1 is a schematic flow diagram of an antenna switching transmission manner indication method for SRS according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an antenna architecture in an antenna switching transmission manner indication method for SRS according to an embodiment of the present invention;
fig. 3 is another schematic diagram of an antenna architecture in an antenna switching transmission manner indication method for SRS according to an embodiment of the present invention;
fig. 4 is a further schematic diagram of an antenna architecture in an antenna switching transmission manner indication method for SRS according to an embodiment of the present invention;
fig. 5 is a schematic flow diagram of an antenna switching transmission manner indication method for SRS according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
FIG. 7 is a schematic block diagram of a network device according to one embodiment of the present invention;
fig. 8 is a schematic structural diagram of a terminal device according to another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a network device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present disclosure more clear, the technical solutions of the present disclosure will be clearly and completely described below with reference to the specific embodiments of the present disclosure and the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present specification without any creative effort belong to the protection scope of the present specification.
It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (Long Term Evolution, LTE) System, an LTE Frequency Division Duplex (FDD) System, an LTE Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS) or a Worldwide Interoperability for Microwave Access (WiMAX) communication System, a 5G System, or a New Radio (NR) System, or a subsequent communication System.
In the embodiment of the present invention, the Terminal device may include, but is not limited to, a Mobile Station (MS), a Mobile Terminal (Mobile Terminal), a Mobile phone (Mobile Telephone), a User Equipment (UE), a handset (handset), a portable device (portable Equipment), a vehicle (vehicle), etc., and the Terminal device may communicate with one or more core networks through a Radio Access Network (RAN), for example, the Terminal device may be a Mobile phone (or referred to as a "cellular" phone), a computer with a wireless communication function, and the Terminal device may also be a portable, pocket, handheld, computer-embedded, or vehicle-mounted Mobile apparatus.
In the embodiment of the present invention, the network device is a device deployed in a radio access network to provide a wireless communication function for a terminal device. The network device may be a base station, and the base station may include various macro base stations, micro base stations, relay stations, access points, and the like. In systems employing different radio access technologies, the names of devices having a base station function may differ. For example, in an LTE network, called an Evolved node B (eNB or eNodeB), in a third Generation (3G) network, called a node B (node B), or a network device in a later Evolved communication system, etc., although the words are not limiting.
As shown in fig. 1, an embodiment of the present specification provides an antenna switching transmission method 100 for SRS, where the method 100 may be executed by a terminal device, and includes the following steps:
s110: transmitting power saving request information.
In this specification, the terminal device generally supports multiple antenna switching transmission schemes for SRS, for example, the terminal device supports one or more of the following six groups:
a first group: 1 transmit antenna 2 receive antenna 1T2R and 2 transmit antenna 4 receive antenna 2T 4R;
second group: 1T2R and 1 transmit antenna 4 receive antenna 1T 4R;
third group: 1T2R and the transmit antenna are equal to the receive antenna T ═ R;
and a fourth group: 1T4R and T ═ R;
and a fifth group: 1T2R, 1T4R and T ═ R; and the number of the first and second groups,
a sixth group: 1T2R, 1T4R, and 2T 4R.
Wherein, the letter T in the antenna switching transmission modes for the SRS indicates transmission, and the number before the letter T represents the number of the transmission antennas; the letter R indicates reception, and the number immediately before the letter R indicates the number of receiving antennas; T-R indicates that the number of transmission antennas is equal to the number of reception antennas.
The above chinese language in front of the antenna switching transmission scheme for SRS is merely explanatory words, for example, "1 transmit antenna 2 receive antenna" in front of 1T2R is an explanation for 1T2R, and "2 transmit antenna 4 receive antenna" in front of 2T4R is an explanation for 2T 4R; etc., and do not constitute a specific limitation.
Among the plurality of antenna switching transmission schemes for SRS supported by the terminal device, the number of transmission antennas has a minimum value, and the number of reception antennas corresponding to the minimum transmission antenna also has a minimum value.
For example, the multiple antenna switching transmission schemes for SRS supported by the terminal device are the first group, that is, 1T2R and 2T4R, where the number of transmission antennas in 1T2R is 1, and is less than 2 of the number of transmission antennas in 2T4R, that is, the number of transmission antennas in 1T2R is the smallest.
For another example, the multiple antenna switching transmission schemes for SRS supported by the terminal device are the sixth group, that is, 1T2R, 1T4R, and 2T4R, where the number of transmit antennas of 1T2R and 1T4R is the minimum; 1T2R minimizes not only the number of transmit antennas, but also the number of receive antennas. In this specification, since the terminal device supports multiple antenna switching transmission modes for SRS, the terminal device may send power saving request information to the network device through step S110 when the power consumption is low or the terminal device desires to be in the energy saving mode.
After receiving the power saving request information, the network device may send SRS configuration information to the terminal device, so as to configure an antenna switching transmission mode for the SRS and a corresponding SRS resource for the terminal device, where the antenna switching transmission mode for the SRS configured for the terminal device by the network device is one of multiple antenna switching transmission modes for the SRS supported by the terminal device.
S120: receiving SRS configuration information, wherein the SRS configuration information indicates an antenna switching transmission mode for SRS of the terminal equipment and SRS resource set configuration information corresponding to the antenna switching transmission mode for SRS.
The SRS configuration information generally includes antenna switching transmission mode information for SRS, configured by the network device for the terminal device, and SRS resource set configuration information corresponding to the configured antenna switching transmission mode for SRS, where the SRS resource set configuration information includes an SRS resource set and SRS resources in the SRS resource set, so that the terminal device can send corresponding SRS resources based on the configured antenna switching transmission mode for SRS after receiving the SRS configuration information.
For example, the terminal device supports multiple antenna switching transmission schemes for SRS, which are 1T2R, 1T4R, and 2T4R, and the SRS configuration information indicates the antenna switching transmission scheme for SRS, which is 1T2R, of the terminal device and the SRS resource set configuration information corresponding to 1T2R, so that the terminal device can transmit the corresponding SRS resource through the antenna switching transmission scheme of 1T 2R; for another example, the SRS configuration information indicates the terminal device's antenna switching transmission scheme 1T4R for SRS and the SRS resource set configuration information corresponding to 1T4R, so that the terminal device can transmit the corresponding SRS resource through the antenna switching transmission scheme of 1T 4R.
According to the method for indicating the antenna switching transmission mode for the SRS, provided by the embodiment of the specification, the terminal device supports various antenna switching transmission modes for the SRS, the terminal device can send power saving request information to the network device when the electric quantity is insufficient or the terminal device is expected to be in an energy saving mode, the network device can configure the antenna switching transmission mode for the SRS and corresponding SRS resource set configuration information for the terminal device, the problem that the terminal device cannot dynamically adjust the antenna switching transmission mode for the SRS according to the electric quantity is solved, and therefore the communication effectiveness is improved.
Considering that the terminal device may save power by turning off part of the transmitting antennas or the receiving antennas when the power is low and insufficient or the terminal device desires to be in the power saving mode, in step S120 of the above embodiment, preferably, the SRS configuration information indicates the number of transmitting antennas used by the terminal device for the antenna switching transmission scheme of the SRS, and may be the smallest number of transmitting antennas in the multiple antenna switching transmission schemes for the SRS, so that the effects of saving power consumption of the terminal device and increasing the standby time can be achieved.
For example, the terminal device supports antenna switching transmission schemes for SRS of 1T2R, 1T4R, and 2T4R, the minimum number of transmit antennas is 1, and the network device configures the terminal device with an antenna switching transmission scheme for SRS of 1T2R or 1T4R, because 1T2R and 1T4R have smaller transmit antennas than 2T4R, the power consumption of the terminal device can be reduced, and the standby time can be increased.
Considering that, among the multiple antenna switching transmission schemes for SRS supported by the terminal device, the number of receiving antennas matching the minimum number of antenna transmissions may be multiple, for example, the multiple antenna switching transmission schemes for SRS supported by the terminal device are 1T2R, 1T4R and 2T4R, the minimum number of antenna transmissions is 1, and the number of receiving antennas corresponding to the minimum number of transmitting antennas is 2 and 4.
In order to further reduce the power consumption of the terminal device, it is preferable that, if the number of receiving antennas matching the minimum number of antenna transmissions is plural, the number of receiving antennas of the antenna switching transmission scheme configured for the terminal device by the network device is the smallest one of the number of receiving antennas matching the minimum number of transmitting antennas. . Then, in the above example, the antenna switching transmission scheme for SRS configured for the terminal device by the network device is 1T2R, because the number of receiving antennas is smaller for 1T2R than for 1T 4R; 1T2R has a smaller number of transmitting antennas and a smaller number of receiving antennas than 2T4R, and can further achieve the effect of saving electric power.
In the above several embodiments, it is mentioned that the terminal device supports multiple antenna switching transmission modes for SRS, and optionally, before step S110 in the above several embodiments, the method may further include the following steps:
the capability information is transmitted.
In an embodiment, the capability information sent by the terminal device includes one or more of multiple antenna switching transmission modes for SRS supported by the terminal device. The terminal equipment is convenient for the network equipment to determine the antenna switching transmission mode for the SRS supported by the terminal equipment by sending the capability information to the network equipment, so that the terminal equipment can be quickly configured with the antenna switching transmission mode for the SRS after receiving the power saving request information.
Preferably, the antenna switching transmission scheme for SRS configured by the network device for the terminal device may be one with the smallest number of transmit antennas in the antenna switching transmission schemes for SRS included in the capability information. Further preferably, the number of reception antennas used for the SRS antenna switching transmission scheme, which is configured for the terminal device by the network device, is the smallest one of the plurality of reception antennas matching the smallest number of transmission antennas. Therefore, the power consumption of the terminal equipment can be saved, and the standby time is prolonged.
In another embodiment, the capability information sent by the terminal device includes an antenna architecture supported by the terminal device, and the network device can determine an antenna switching transmission mode for the SRS, which is supported by the terminal device, according to the antenna architecture supported by the terminal device. The terminal equipment is convenient for the network equipment to determine the antenna switching transmission mode for the SRS supported by the terminal equipment by sending the capability information to the network equipment, so that the terminal equipment can be quickly configured with the antenna switching transmission mode for the SRS after receiving the power saving request information.
Preferably, the antenna switching transmission mode configured by the network device for the terminal device and used for the SRS may be one with the smallest number of transmit antennas in the antenna switching transmission mode used for the SRS and corresponding to an antenna architecture supported by the terminal device. Further preferably, the number of receiving antennas of the antenna switching transmission scheme for SRS, configured for the terminal device by the network device, is the smallest one of the number of receiving antennas matching the smallest number of transmitting antennas, so that power consumption of the terminal device can be saved, and standby time can be increased.
For the antenna architecture supported by the terminal device, reference may be made to fig. 2 to 4, and fig. 2 to 4 list three antenna architectures supported by the terminal device.
In fig. 2, a power amplifier 1 (or a first power amplifier, and the following similar terms) is connected with 2 antenna elements, see antenna 1 and antenna 2; the power amplifier 2 (or called a second power amplifier, the same applies to follow-up operations) is connected with 2 antenna elements, see antenna 3 and antenna 4, the 2 antenna elements connected with the power amplifier 1 are different from the 2 antenna elements connected with the power amplifier 2, and based on the antenna architecture shown in fig. 2, the network device can determine a plurality of antenna switching transmission modes for SRS supported by the terminal device.
In fig. 3, a power amplifier 1 is connected to 4 antenna elements, see antenna 1, antenna 2, antenna 3 and antenna 4; the power amplifier 2 is connected with 4 antenna elements, which are the same as the antenna 1, the antenna 2, the antenna 3 and the antenna 4, the 4 antenna elements connected with the power amplifier 1 are the same as the 4 antenna elements connected with the power amplifier 2, and based on the antenna architecture shown in fig. 3, the network device can determine a plurality of antenna switching transmission modes for SRS supported by the terminal device; or
In fig. 4, a power amplifier 1 is connected to 4 antenna elements, see antenna 1, antenna 2, antenna 3 and antenna 4; the power amplifier 2 is connected to 2 antenna elements of the 4 antenna elements, see the antenna 3 and the antenna 4, and based on the antenna architecture shown in fig. 4, the network device can determine multiple antenna switching transmission modes for SRS supported by the terminal device.
Preferably, if the antenna architecture supported by the terminal device is the antenna architecture shown in fig. 2, that is, the power amplifier 1 is connected with 2 antenna elements, and the power amplifier 2 is connected with 2 antenna elements, the number of SRS resources in an SRS resource set in the SRS resource set configuration information in one time slot is less than 3, so that the SRS resources sent by the terminal device can be completed in one time slot, which can avoid the problem caused by inconsistency of understanding of sending time of SRS resources between the network device and the terminal device, and is convenient for improving the transmission efficiency of SRS resources.
For example, the antenna switching transmission mode configured by the network device for the SRS for the terminal device is 1T4R, and the number of SRS resource sets corresponding to 1T4R is 2, then the number of SRS resources in one slot of the 2 SRS resource sets is less than 3, and optionally, each of the two SRS resource sets includes different 2 SRS resources.
In an actual application process, in step S110, the power saving request information sent by the terminal device to the network device may further include an antenna switching transmission mode for the SRS that the terminal device expects to use, so that the terminal device may directly configure the antenna switching transmission mode for the SRS that the terminal device expects to use for the terminal device after receiving the power saving request information.
For example, if the power saving request information sent by the terminal device to the network device includes 1T1R, the network device may instruct the terminal device that the antenna switching transmission scheme for SRS is 1T1R and the SRS resource set configuration information corresponding to 1T 1R.
For another example, if the power saving request information sent by the terminal device to the network device includes 1T2R, the network device may instruct the terminal device that the antenna switching transmission scheme for SRS is 1T2R and the SRS resource set configuration information corresponding to 1T 2R.
For another example, if the power saving request information sent by the terminal device to the network device includes 1T4R, the network device may instruct the terminal device that the antenna switching transmission scheme for SRS is 1T4R and the SRS resource set configuration information corresponding to 1T 4R.
For another example, the power saving request information sent by the terminal device to the network device includes 1T2R and 1T4R, where 1T2R and 1T4R may both be referred to as antenna switching transmission methods for SRS that the terminal device desires to use, and then the network device may indicate that the antenna switching transmission method for SRS of the terminal device is 1T2R and SRS resource set configuration information corresponding to 1T 2R; alternatively, the network device may indicate that the terminal device has an antenna switching transmission scheme for SRS of 1T4R and SRS resource set configuration information corresponding to 1T 4R.
In an actual application process, in step S110, the power saving request information sent by the terminal device to the network device may further include SRS resource set information, where the SRS resource set information corresponds to one or more of the multiple antenna switching transmission manners for SRS, for example, the SRS resource set information corresponds to 1T 2R; for another example, the SRS resource set information corresponds to 1T2R and 2T 4R. In this way, after receiving the power saving request information, the network device may determine the antenna switching transmission mode for the SRS corresponding to the SRS resource set information, where the antenna switching transmission mode for the SRS corresponding to the SRS resource set information may be one or more.
The SRS resource set information includes: an SRS resource set identification; or the SRS resource set identification and the SRS resource information identification contained in each SRS resource set.
If the antenna switching transmission modes for the SRS corresponding to the SRS resource set information are multiple, the network device may select one of the multiple antenna switching transmission modes for the SRS and configure the selected antenna switching transmission mode to the terminal device; if the antenna switching transmission mode for the SRS corresponding to the SRS resource set information is one, the network device may configure the corresponding antenna switching transmission mode for the SRS to the terminal device.
For example, when the terminal device is low in power, power saving request information is sent to the corresponding network device, where the power saving request information indicates aperiodic SRS resource sets (identities) N and M supported by the terminal device, where resource set N includes 3 different SRS resources, resource set M includes 1 SRS resource, and SRS resource sets N and M correspond to 1T 4R. The network device configures the terminal device with an SRS switching transmission mode 1T4R for the SRS, and a corresponding SRS resource set and an SRS resource corresponding to each SRS resource set.
For another example, when the terminal device is low in power, power saving request information indicating aperiodic SRS resource sets (identities) N and M supported by the terminal device is transmitted to the corresponding network device, where resource set N includes 3 different SRS resources, resource set M includes 1 SRS resource, and SRS resource sets N and M correspond to 1T2R and 1T 4R. The network device may configure the terminal device with an SRS switching transmission mode of 1T4R, and corresponding SRS resource sets and SRS resources corresponding to each SRS resource set; or, the network device may further configure the terminal device to use the SRS with the antenna switching transmission mode 1T4R, and the corresponding SRS resource set and the SRS resource corresponding to each SRS resource set.
Fig. 5 is a schematic flow chart of an implementation of a method for indicating an antenna switching transmission mode for an SRS according to an embodiment of the present disclosure, and the method may be applied to a network device. As shown in fig. 5, the method 500 includes:
s510: power saving request information is received.
This step may correspond to step S110 in the embodiment shown with reference to fig. 1.
S520: and sending SRS configuration information, wherein the SRS configuration information indicates an antenna switching transmission mode used for SRS by the terminal equipment and SRS resource set configuration information corresponding to the antenna switching transmission mode used for SRS, and the terminal equipment supports multiple antenna switching transmission modes used for SRS.
This step may correspond to step S120 in the embodiment shown with reference to fig. 1.
In this embodiment of the present description, a terminal device supports multiple antenna switching transmission modes for SRS, the terminal device may send power saving request information to a network device when the power is insufficient or the terminal device expects to be in an energy saving mode, and the network device may configure an antenna switching transmission mode for SRS and corresponding SRS resource set configuration information for the terminal device after receiving the power saving request information, so as to solve a problem that the terminal device cannot dynamically adjust the antenna switching transmission mode for SRS according to the power, thereby improving communication effectiveness.
Preferably, before the step S510 receives the power saving request information, the method 500 further includes:
receiving capability information, the capability information comprising one or more of the plurality of antenna switching transmission modes for SRS, or
The capability information comprises an antenna architecture supported by the terminal equipment;
the number of transmitting antennas in the antenna switching transmission method for the SRS is the smallest number of transmitting antennas in the plurality of antenna switching transmission methods for the SRS, so that the effects of saving power consumption of the terminal device and increasing standby time can be achieved.
Preferably, the number of receiving antennas used for the antenna switching transmission scheme for the SRS is the smallest number of the plurality of receiving antennas matching the smallest number of transmitting antennas, so that the power consumption of the terminal device can be further reduced and the standby time can be increased.
Preferably, the plurality of antenna switching transmission modes for SRS supported by the terminal device includes one or more of the following six groups:
a first group: 1T2R and 2T 4R;
second group: 1T2R and 1T 4R;
third group: 1T2R and T ═ R;
and a fourth group: 1T4R and T ═ R;
and a fifth group: 1T2R, 1T4R and T ═ R; and the number of the first and second groups,
a sixth group: 1T2R, 1T4R, and 2T 4R.
Wherein, the letter T in the antenna switching transmission modes for the SRS indicates transmission, and the number before the letter T represents the number of the transmission antennas; the letter R indicates reception, and the number immediately before the letter R indicates the number of receiving antennas; T-R indicates that the number of transmission antennas is equal to the number of reception antennas.
Preferably, referring to fig. 2 to 4, the antenna architecture supported by the terminal device includes:
the first power amplifier is connected with 2 antenna array elements, the second power amplifier is connected with 2 antenna array elements, and the 2 antenna array elements connected with the first power amplifier are different from the 2 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna array elements, the second power amplifier is connected with 4 antenna array elements, and the 4 antenna array elements connected with the first power amplifier are the same as the 4 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna elements, and the second power amplifier is connected with 2 antenna elements in the 4 antenna elements.
If the antenna architecture supported by the terminal device is that the first power amplifier is connected with 2 antenna elements, and the second power amplifier is connected with 2 antenna elements, the number of the SRS resources in the SRS resource set configuration information in one time slot is less than 3, which can avoid the problem caused by the inconsistency of the understanding of the sending time of the SRS resources between the network device and the terminal device, and is convenient for improving the transmission efficiency of the SRS resources.
Optionally, in step S510, the received power saving request information includes a designated antenna switching transmission mode for the SRS, where the designated antenna switching transmission mode for the SRS includes:
1T 1R; or the like, or, alternatively,
1T 2R; or the like, or, alternatively,
1T 4R; or the like, or, alternatively,
1T2R and 1T 4R.
Optionally, step S510 receives the power saving request message, and includes SRS resource set information corresponding to one or more of the plurality of antenna switching transmission manners for SRS,
wherein the SRS resource set information includes:
an SRS resource set identification; or
And the SRS resource set identification and the SRS resource information identification contained in each SRS resource set.
The antenna switching transmission manner indication method for SRS according to the embodiment of the present specification is described in detail above with reference to fig. 1 to 5, and a terminal device according to the embodiment of the present specification will be described in detail below with reference to fig. 6.
Fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present specification, where the terminal device supports multiple antenna switching transmission modes for SRS. As shown in fig. 6, the terminal apparatus 600 includes:
a transmitting module 610, which may be configured to transmit power saving request information;
the receiving module 620 may be configured to receive SRS configuration information, where the SRS configuration information indicates an antenna switching transmission method for SRS of the terminal device and SRS resource set configuration information corresponding to the antenna switching transmission method for SRS.
In the embodiment of the present specification, the terminal device supports multiple antenna switching transmission modes for the SRS, the terminal device may send power saving request information to the network device when the power amount is insufficient or the terminal device expects to be in the energy saving mode, and the network device may configure the antenna switching transmission mode for the SRS and corresponding SRS resource set configuration information for the terminal device, thereby solving the problem that the terminal device cannot dynamically adjust the antenna switching transmission mode for the SRS according to the power amount thereof, and thus improving the communication effectiveness.
Optionally, as an embodiment, the sending module 610 may be further configured to send capability information before sending the power saving request information, where the capability information includes one or more of the multiple antenna switching transmission manners for SRS, or
The capability information comprises an antenna architecture supported by the terminal equipment;
wherein the number of transmission antennas of the antenna switching transmission scheme for SRS is the smallest number of transmission antennas among the plurality of antenna switching transmission schemes for SRS.
Optionally, as an embodiment, the number of receiving antennas used for the SRS antenna switching transmission scheme is the smallest number of the plurality of receiving antennas matching the smallest number of transmitting antennas.
Optionally, as an embodiment, the plurality of antenna switching transmission manners for SRS include one or more of the following:
1T2R and 2T 4R;
1T2R and 1T 4R;
1T2R and T ═ R;
1T4R and T ═ R;
1T2R, 1T4R and T ═ R; and the number of the first and second groups,
1T2R, 1T4R, and 2T 4R.
Optionally, as an embodiment, the antenna architecture supported by the terminal device includes:
the first power amplifier is connected with 2 antenna array elements, the second power amplifier is connected with 2 antenna array elements, and the 2 antenna array elements connected with the first power amplifier are different from the 2 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna array elements, the second power amplifier is connected with 4 antenna array elements, and the 4 antenna array elements connected with the first power amplifier are the same as the 4 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna elements, and the second power amplifier is connected with 2 antenna elements in the 4 antenna elements.
Optionally, as an embodiment, if the antenna architecture supported by the terminal device is that a first power amplifier is connected with 2 antenna elements, and a second power amplifier is connected with 2 antenna elements, the number of SRS resources in an SRS resource set in the SRS resource set configuration information in one timeslot is less than 3.
Optionally, as an embodiment, the power saving request information includes a designated antenna switching transmission mode for the SRS, and the designated antenna switching transmission mode for the SRS includes: 1T 1R; or the like, or, alternatively,
1T 2R; or the like, or, alternatively,
1T 4R; or the like, or, alternatively,
1T2R and 1T 4R.
Optionally, as an embodiment, the power saving request information includes SRS resource set information, the SRS resource set information corresponds to one or more of the plurality of antenna switching transmission manners for SRS,
wherein the SRS resource set information includes:
an SRS resource set identification; or
And the SRS resource set identification and the SRS resource information identification contained in each SRS resource set.
The terminal device 600 according to the embodiment of the present specification may refer to the flow corresponding to the method 100 according to the embodiment of the present specification, and each unit/module and the other operations and/or functions in the terminal device 600 are respectively for implementing the corresponding flow in the method 100, and are not described herein again for brevity.
Fig. 7 is a schematic structural diagram of a network device according to an embodiment of the present specification. As shown in fig. 7, the network device 700 includes:
a receiving module 710, which may be configured to receive power saving request information;
the sending module 720 may be configured to send SRS configuration information, where the SRS configuration information indicates an antenna switching transmission mode for SRS of a terminal device and SRS resource set configuration information corresponding to the antenna switching transmission mode for SRS, and the terminal device supports multiple antenna switching transmission modes for SRS.
In this embodiment of the present description, a terminal device supports multiple antenna switching transmission modes for SRS, the terminal device may send power saving request information to a network device when the power is insufficient or the terminal device expects to be in an energy saving mode, and the network device may configure an antenna switching transmission mode for SRS and corresponding SRS resource set configuration information for the terminal device after receiving the power saving request information, so as to solve a problem that the terminal device cannot dynamically adjust the antenna switching transmission mode for SRS according to the power, thereby improving communication effectiveness.
Optionally, as an embodiment, the receiving module 710 may be further configured to receive capability information before receiving the power saving request information, where the capability information includes one or more of the plurality of antenna switching transmission manners for the SRS, or
The capability information comprises an antenna architecture supported by the terminal equipment;
wherein the number of transmission antennas of the antenna switching transmission scheme for SRS is the smallest number of transmission antennas among the plurality of antenna switching transmission schemes for SRS.
Optionally, as an embodiment, the number of receiving antennas used for the SRS antenna switching transmission scheme is the smallest number of the plurality of receiving antennas matching the smallest number of transmitting antennas.
Optionally, as an embodiment, the plurality of antenna switching transmission manners for SRS include one or more of the following:
1T2R and 2T 4R;
1T2R and 1T 4R;
1T2R and T ═ R;
1T4R and T ═ R;
1T2R, 1T4R and T ═ R; and the number of the first and second groups,
1T2R, 1T4R, and 2T 4R.
Optionally, as an embodiment, the antenna architecture supported by the terminal device includes:
the first power amplifier is connected with 2 antenna array elements, the second power amplifier is connected with 2 antenna array elements, and the 2 antenna array elements connected with the first power amplifier are different from the 2 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna array elements, the second power amplifier is connected with 4 antenna array elements, and the 4 antenna array elements connected with the first power amplifier are the same as the 4 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna elements, and the second power amplifier is connected with 2 antenna elements in the 4 antenna elements.
Optionally, as an embodiment, if the antenna architecture supported by the terminal device is that a first power amplifier is connected with 2 antenna elements, and a second power amplifier is connected with 2 antenna elements, the number of SRS resources in an SRS resource set in the SRS resource set configuration information in one timeslot is less than 3.
Optionally, as an embodiment, the power saving request information includes a designated antenna switching transmission mode for the SRS, and the designated antenna switching transmission mode for the SRS includes:
1T 1R; or the like, or, alternatively,
1T 2R; or the like, or, alternatively,
1T 4R; or the like, or, alternatively,
1T2R and 1T 4R.
Optionally, as an embodiment, the power saving request information includes SRS resource set information, the SRS resource set information corresponds to one or more of the plurality of antenna switching transmission manners for SRS,
wherein the SRS resource set information includes:
an SRS resource set identification; or
And the SRS resource set identification and the SRS resource information identification contained in each SRS resource set.
The network device 700 according to the embodiment of the present specification may refer to the flow corresponding to the method 500 according to the embodiment of the present specification, and each unit/module and the other operations and/or functions in the network device 700 are respectively for implementing the corresponding flow in the method 500, and are not described herein again for brevity.
Fig. 8 is a block diagram of a terminal device according to another embodiment of the present specification. The terminal apparatus 800 shown in fig. 8 includes: at least one processor 801, memory 802, at least one network interface 804, and a user interface 803. The various components in the terminal device 800 are coupled together by a bus system 805. It is understood that the bus system 805 is used to enable communications among the components connected. The bus system 805 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 805 in fig. 8.
The user interface 803 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.
It will be appreciated that the memory 802 in the embodiments of the specification can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 802 of the systems and methods described in this specification embodiments is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 802 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 8021 and application programs 8022.
The operating system 8021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application program 8022 includes various application programs, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. Programs that implement methods of embodiments of the present specification can be included in application programs 8022.
In this embodiment, the terminal device 800 further includes: a computer program stored 802 on the memory and executable on the processor 801, which when executed by the processor 801, implements the steps of the method 100 as follows.
The method 100 for indicating the antenna switching transmission mode for SRS disclosed in the above-described embodiments may be applied to the processor 801 or implemented by the processor 801. The processor 801 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 801. The Processor 801 may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present specification may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present specification may be embodied directly in a hardware decoding processor, or in a combination of hardware and software modules in the decoding processor. The software modules may reside in ram, flash memory, rom, prom, or eprom, registers, among other computer-readable storage media known in the art. The computer readable storage medium is located in the memory 802, and the processor 801 reads the information in the memory 802, and combines the hardware to complete the steps of the method. In particular, the computer readable storage medium has stored thereon a computer program, which when executed by the processor 801, performs the steps of the embodiments of the method 100 as described above.
It is to be understood that the embodiments described in this specification can be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units designed to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described in this specification may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described in this specification. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The terminal device 800 can implement each process implemented by the terminal device in the foregoing embodiments, and details are not described here to avoid repetition.
Referring to fig. 9, fig. 9 is a structural diagram of a network side device applied in the embodiment of the present disclosure, which can implement details of the method embodiment 500 and achieve the same effect. As shown in fig. 9, the network-side device 900 includes: a processor 901, a transceiver 902, a memory 903, and a bus interface, wherein:
in this embodiment, the network-side device 900 further includes: a computer program stored on the memory 903 and executable on the processor 901, the computer program, when executed by the processor 901, implementing the steps of the method 500.
In fig. 9, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 901 and various circuits of memory represented by memory 903 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 902 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium.
The processor 901 is responsible for managing a bus architecture and general processing, and the memory 903 may store data used by the processor 901 in performing operations.
Embodiments of the present disclosure further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements the processes of the method embodiment 100 and the method embodiment 500, and can achieve the same technical effects, and in order to avoid repetition, the computer program is not described herein again. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present specification may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the methods according to the embodiments of the present specification.
While the present embodiments have been described with reference to the accompanying drawings, the present disclosure is not limited to the above embodiments, which are illustrative and not restrictive, and those skilled in the art can make various changes without departing from the spirit and scope of the present disclosure and claims.
Claims (21)
1. A method for indicating antenna switching transmission modes for Sounding Reference Signals (SRS), the method being performed by a terminal device, the terminal device supporting a plurality of antenna switching transmission modes for SRS, the method comprising:
transmitting power saving request information, wherein the power saving request information comprises a specified antenna switching transmission mode for the SRS;
receiving SRS configuration information, wherein the SRS configuration information indicates an antenna switching transmission mode used for SRS by the terminal equipment and SRS resource set configuration information corresponding to the antenna switching transmission mode used for SRS.
2. The method of claim 1, wherein prior to the transmitting power save request information, the method further comprises:
transmitting capability information including one or more of the plurality of antenna switching transmission modes for SRS, or
The capability information comprises an antenna architecture supported by the terminal equipment;
wherein the number of transmission antennas of the antenna switching transmission scheme for SRS is the smallest number of transmission antennas among the plurality of antenna switching transmission schemes for SRS.
3. The method according to claim 2, wherein the number of reception antennas used for the antenna switching transmission scheme for the SRS is the smallest one of the plurality of reception antennas matching the smallest number of transmission antennas.
4. The method of any of claims 1 to 3, wherein the plurality of antenna switching transmission modes for SRS comprises one or more of:
1 transmit antenna 2 receive antenna 1T2R and 2 transmit antenna 4 receive antenna 2T 4R;
1T2R and 1 transmit antenna 4 receive antenna 1T 4R;
1T2R and the transmit antenna are equal to the receive antenna T ═ R;
1T4R and T ═ R;
1T2R, 1T4R and T ═ R; and the number of the first and second groups,
1T2R, 1T4R, and 2T 4R.
5. The method of any of claims 1 to 3, wherein the antenna architecture supported by the terminal device comprises:
the first power amplifier is connected with 2 antenna array elements, the second power amplifier is connected with 2 antenna array elements, and the 2 antenna array elements connected with the first power amplifier are different from the 2 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna array elements, the second power amplifier is connected with 4 antenna array elements, and the 4 antenna array elements connected with the first power amplifier are the same as the 4 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna elements, and the second power amplifier is connected with 2 antenna elements in the 4 antenna elements.
6. The method of claim 5, wherein if the antenna architecture supported by the terminal device is that a first power amplifier is connected with 2 antenna elements and a second power amplifier is connected with 2 antenna elements, the number of SRS resources of the SRS resource set configuration information in one slot is less than 3.
7. The method of claim 1, wherein the designated antenna switching transmission mode for SRS comprises:
1T 1R; or the like, or, alternatively,
1T 2R; or the like, or, alternatively,
1T 4R; or the like, or, alternatively,
1T2R and 1T 4R.
8. The method of claim 1, wherein the power saving request information includes SRS resource set information corresponding to one or more of the plurality of antenna switching transmission manners for SRS,
wherein the SRS resource set information includes:
an SRS resource set identification; or
And the SRS resource set identification and the SRS resource information identification contained in each SRS resource set.
9. A method for indicating antenna switching transmission mode for SRS, the method being performed by a network device, the method comprising:
receiving power saving request information, wherein the power saving request information comprises a specified antenna switching transmission mode for SRS;
and sending SRS configuration information, wherein the SRS configuration information indicates an antenna switching transmission mode used for SRS by the terminal equipment and SRS resource set configuration information corresponding to the antenna switching transmission mode used for SRS, and the terminal equipment supports multiple antenna switching transmission modes used for SRS.
10. The method of claim 9, wherein prior to said receiving power saving request information, the method further comprises:
receiving capability information, the capability information comprising one or more of the plurality of antenna switching transmission modes for SRS, or
The capability information comprises an antenna architecture supported by the terminal equipment;
wherein the number of transmission antennas of the antenna switching transmission scheme for SRS is the smallest number of transmission antennas among the plurality of antenna switching transmission schemes for SRS.
11. The method according to claim 10, wherein the number of reception antennas used for the antenna switching transmission scheme for the SRS is the smallest one of the plurality of reception antennas matching the smallest number of transmission antennas.
12. The method of any of claims 9 to 11, wherein the plurality of antenna switching transmission modes for SRS comprises one or more of:
1T2R and 2T 4R;
1T2R and 1T 4R;
1T2R and T ═ R;
1T4R and T ═ R;
1T2R, 1T4R and T ═ R; and the number of the first and second groups,
1T2R, 1T4R, and 2T 4R.
13. The method of any of claims 9 to 11, wherein the antenna architecture supported by the terminal device comprises:
the first power amplifier is connected with 2 antenna array elements, the second power amplifier is connected with 2 antenna array elements, and the 2 antenna array elements connected with the first power amplifier are different from the 2 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna array elements, the second power amplifier is connected with 4 antenna array elements, and the 4 antenna array elements connected with the first power amplifier are the same as the 4 antenna array elements connected with the second power amplifier; or
The first power amplifier is connected with 4 antenna elements, and the second power amplifier is connected with 2 antenna elements in the 4 antenna elements.
14. The method of claim 13, wherein if the terminal device supports an antenna architecture in which a first power amplifier is connected with 2 antenna elements and a second power amplifier is connected with 2 antenna elements, the number of SRS resources in the SRS resource set configuration information in one slot is less than 3.
15. The method of claim 9, wherein the designated antenna switching transmission mode for SRS comprises:
1T 1R; or the like, or, alternatively,
1T 2R; or the like, or, alternatively,
1T 4R; or the like, or, alternatively,
1T2R and 1T 4R.
16. The method of claim 9, wherein the power saving request information includes SRS resource set information corresponding to one or more of the plurality of antenna switching transmission manners for SRS,
wherein the SRS resource set information includes:
an SRS resource set identification; or
And the SRS resource set identification and the SRS resource information identification contained in each SRS resource set.
17. A terminal device, wherein the terminal device supports multiple antenna switching transmission modes for SRS, and the terminal device comprises:
a sending module, configured to send power saving request information, where the power saving request information includes a specified antenna switching transmission mode for an SRS;
a receiving module, configured to receive SRS configuration information, where the SRS configuration information indicates an antenna switching transmission mode used by the terminal device for SRS and SRS resource set configuration information corresponding to the antenna switching transmission mode used for SRS.
18. A network device, characterized in that the network device comprises:
a receiving module, configured to receive power saving request information, where the power saving request information includes a specified antenna switching transmission mode for an SRS;
a sending module, configured to send SRS configuration information, where the SRS configuration information indicates an antenna switching transmission mode for SRS by a terminal device and SRS resource set configuration information corresponding to the antenna switching transmission mode for SRS, and the terminal device supports multiple antenna switching transmission modes for SRS.
19. A terminal device, comprising: memory, processor and computer program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the method for antenna switching transmission manner indication for SRS according to any one of claims 1 to 8.
20. A network device, comprising: memory, processor and computer program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the method for antenna switching transmission manner indication for SRS according to any one of claims 9 to 16.
21. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method for antenna switching transmission manner indication for SRS according to any one of claims 1 to 16.
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| US20230275629A1 (en) * | 2020-08-07 | 2023-08-31 | Runxin WANG | Sounding reference signal (srs) antenna switching for multiple transceiver user equipment (ue) |
| CN114389651B (en) * | 2020-10-21 | 2023-06-23 | 华为技术有限公司 | Method for scheduling data transmission and communication device |
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