CN115004737A

CN115004737A - Method and device for transmitting guard time interval information and readable storage medium

Info

Publication number: CN115004737A
Application number: CN202280001310.8A
Authority: CN
Inventors: 周锐
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-02
Also published as: WO2023206239A1

Abstract

The present disclosure provides a method, an apparatus and a readable storage medium for protecting time interval information, which are applied to the technical field of wireless communication, and the method includes: sending, to the network device, guard time interval indication information, where the guard time interval indication information includes a length of at least one guard time interval, where the at least one guard time interval is used for handover protection when switching between Sounding Reference Signal (SRS) resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter for indicating a frequency band and a parameter for indicating a subcarrier interval. In the present disclosure, the network device can definitely know the SRS resource switching capabilities of different user equipments, so as to configure a reasonable guard time interval for the user equipments with different SRS resource switching capabilities, improve the utilization rate of radio resources, and improve the processing performance of the user equipments.

Description

Method and device for transmitting guard time interval information and readable storage medium

Technical Field

The present disclosure relates to the field of wireless communications technologies, and in particular, to a method and an apparatus for transmitting guard time interval information, and a readable storage medium.

Background

In some wireless communication technologies, a user equipment transmits a Sounding Reference Signal (SRS) to assist in determining the quality of an rf spatial transmission path between an antenna of the user equipment and an antenna of a base station. The user equipment transmits the SRS on SRS resources, wherein the SRS resources may be SRS resources in a set of SRS resources (resource sets).

As more and more transmit antennas can be supported by the user equipment, one SRS resource set (resource set) can support different SRS resources to switch between different antennas, so that the transmission path quality from different antennas of the user equipment to the antennas of the base station can be evaluated.

Since the antenna switching performed by the user equipment is a physical process, and a certain switching time is required, and data transmission cannot be performed in the switching process, when SRS related transmission configuration is performed for the user equipment, a guard period (guard period) needs to be configured between two SRS resources.

In view of the different handover capabilities that different ues can support, how to configure a more reasonable guard interval for different ues needs to be solved.

Disclosure of Invention

In view of the above, the present disclosure provides a method, an apparatus, and a readable storage medium for transmitting guard time interval information.

In a first aspect, a method for transmitting guard interval information is provided, which is performed by a user equipment, and the method includes:

transmitting guard time interval indication information to a network device, wherein the guard time interval indication information includes a length of at least one guard time interval, the at least one guard time interval is used for handover protection in handover between Sounding Reference Signal (SRS) resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter for indicating a frequency band and a parameter for indicating a subcarrier interval.

In the method, the user equipment reports the SRS resource switching capacity on the plurality of frequency bands to the network equipment, and the network equipment can definitely acquire the SRS resource switching capacity of different user equipment, so that reasonable protection time intervals are configured for the user equipment with different SRS resource switching capacities, the utilization rate of wireless resources is improved, and the processing performance of the user equipment is improved.

In some possible embodiments, the method further comprises:

the length of the at least one guard time interval is the number of OFDM symbols occupied by the at least one guard time interval.

In some possible embodiments, the method further comprises:

receiving guard time interval configuration information sent by a network device, wherein the guard time interval configuration information comprises at least one configuration parameter.

In some of the possible embodiments, the first and second,

the SRS resource configuration information at least includes: the at least one configuration parameter in the guard time interval configuration information.

In some possible embodiments, the method further comprises:

and receiving SRS switching configuration information sent by the network equipment, wherein the SRS switching configuration information comprises a parameter for indicating a target frequency band and a parameter for indicating the length of a guard time interval.

In a second aspect, a method for receiving guard interval information is provided, which is performed by a network device, and includes:

receiving guard time interval indication information sent by user equipment, wherein the guard time interval indication information includes at least one guard time interval length, the at least one guard time interval is used for switching protection during switching between reference signal SRS resources, the at least one guard time interval length corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter for indicating a frequency band and a parameter for indicating a subcarrier interval.

In the method, the user equipment reports the SRS resource switching capacity on each frequency band indicated by the network equipment according to the protection time interval configuration information of the network equipment, and the network equipment can definitely acquire the SRS resource switching capacity of different user equipment in the required frequency band, so that reasonable protection time intervals are configured for the user equipment with different SRS resource switching capacities, the utilization rate of wireless resources is improved, and the processing performance of the user equipment is improved.

In some possible embodiments, the method further comprises:

and sending protection time interval configuration information to the user equipment, wherein the protection time interval configuration information comprises at least one configuration parameter.

In some of the possible embodiments of the present invention,

In some possible embodiments, the method further comprises:

and determining a subcarrier interval corresponding to a target frequency band, and determining the length of a guard time interval corresponding to the target frequency band according to the subcarrier interval and the guard time interval indication information.

In some possible embodiments, the method further comprises at least one of:

when the guard time interval indication information sent by the user equipment is not received, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 15KHz is determined to be 1 character, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 30KHz is determined to be 1 character, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 60KHz is determined to be 1 character, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 120KHz is determined to be 2 characters, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 480KHz is determined to be 7 characters, and the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 960KHz is determined to be 14 characters.

In some possible embodiments, the method further comprises:

In a third aspect, a communications apparatus is provided. The communication means may be adapted to perform the steps performed by the user equipment in the first aspect or any of the possible designs of the first aspect. The user equipment may implement the functions of the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.

When the method according to the first aspect is implemented by a software module, the communication device may comprise a transceiver module.

In performing the steps of the first aspect, the transceiver module is configured to transmit guard time interval indication information to the network device, where the guard time interval indication information includes a length of at least one guard time interval, where the at least one guard time interval is used for handover protection in switching between sounding reference signal SRS resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter indicating a frequency band and a parameter indicating a subcarrier spacing.

In a fourth aspect, a communication device is provided. The communication means may be adapted to perform the steps performed by the network device in the first aspect or any of the possible designs of the first aspect described above. The user equipment may implement the functions of the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.

When the method of the second aspect is implemented by a software module, the communication device may comprise a transceiver module.

In the step of the second aspect, the transceiver module is configured to receive guard time interval indication information sent by a user equipment, where the guard time interval indication information includes a length of at least one guard time interval, where the at least one guard time interval is used for handover protection in switching between reference signal SRS resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter indicating a frequency band and a parameter indicating a subcarrier interval.

In a fifth aspect, an electronic device is provided that includes a processor and a memory; the memory is used for storing a computer program; the processor is adapted to execute the computer program to implement the first aspect or any one of the possible designs of the first aspect.

In a sixth aspect, an electronic device is provided that includes a processor and a memory; the memory is used for storing a computer program; the processor is configured to execute the computer program to implement the first aspect or any one of the possible designs of the first aspect.

In a seventh aspect, a computer-readable storage medium is provided, in which instructions (or computer programs, programs) are stored, and when the instructions are called and executed on a computer, the computer is enabled to execute the first aspect or any one of the possible designs of the first aspect.

In an eighth aspect, a computer-readable storage medium is provided, in which instructions (or computer programs, programs) are stored, and when the instructions are called and executed on a computer, the instructions cause the computer to execute the first aspect or any one of the possible designs of the first aspect.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this application, illustrate embodiments of the disclosure and together with the description serve to explain the embodiments of the disclosure and not to limit the embodiments of the disclosure in a non-limiting sense. In the drawings:

the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the embodiments of the disclosure and, together with the description, serve to explain the principles of the embodiments of the disclosure.

Fig. 1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure;

FIG. 2 is a flow diagram illustrating a method of transmitting guard time interval information in accordance with an example embodiment;

FIG. 3 is a flow diagram illustrating a method of transmitting guard time interval information in accordance with an example embodiment;

FIG. 4 is a flow diagram illustrating a method of transmitting guard interval information in accordance with an example embodiment;

fig. 5 is a flow chart illustrating another method of transmitting guard interval information in accordance with an example embodiment;

fig. 6 is a flow diagram illustrating a method of receiving guard interval information in accordance with an example embodiment;

fig. 7 is a flow chart illustrating another method of receiving guard interval information in accordance with an example embodiment;

fig. 8 is a block diagram illustrating an apparatus for transmitting guard interval information according to an exemplary embodiment;

fig. 9 is a block diagram illustrating another apparatus for transmitting guard interval information according to an exemplary embodiment;

fig. 10 is a block diagram illustrating an apparatus for receiving guard interval information according to an exemplary embodiment;

fig. 11 is a block diagram illustrating another apparatus for receiving guard interval information according to an example embodiment.

Detailed Description

Embodiments of the disclosure will now be described with reference to the accompanying drawings and detailed description.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information in the embodiments of the present disclosure, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of embodiments of the present disclosure. The words "if" and "if," as used herein, may be interpreted as "at … …" or "when … …" or "in response to a determination," depending on the context.

Reference will now be made in detail to the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present disclosure, and should not be construed as limiting the present disclosure.

As shown in fig. 1, a method for transmitting guard interval information provided by the embodiment of the present disclosure may be applied to a wireless communication system 100, which may include, but is not limited to, a network device 101 and a user equipment 102. The user equipment 102 is configured to support carrier aggregation, and the user equipment 102 may be connected to a plurality of carrier units of the network device 101, including one primary carrier unit and one or more secondary carrier units.

It should be understood that the above wireless communication system 100 is applicable to both low frequency and high frequency scenarios. The application scenarios of the wireless communication system 100 include, but are not limited to, a Long Term Evolution (LTE) system, a LTE Frequency Division Duplex (FDD) system, a LTE Time Division Duplex (TDD) system, a Worldwide Interoperability for Microwave Access (WiMAX) communication system, a Cloud Radio Access Network (CRAN) system, a future fifth Generation (5th-Generation, 5G) system, a New Radio (NR) communication system, or a future evolved Public Land Mobile Network (PLMN) system.

The user equipment 102 shown above may be User Equipment (UE), terminal (terminal), access terminal, terminal unit, terminal station, Mobile Station (MS), remote station, remote terminal, mobile terminal (mobile terminal), wireless communication device, terminal agent or user equipment, etc. The user equipment 102 may be capable of wireless transceiving, and may be capable of communicating (e.g., wirelessly communicating) with one or more network devices 101 of one or more communication systems and receiving network services provided by the network devices 101, where the network devices 101 include, but are not limited to, the illustrated base stations.

The user equipment 102 may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, 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 user equipment in a future 5G network or a user equipment in a future evolved PLMN network, and the like.

Network device 101 may be an access network device (or access network site). The access network device refers to a device providing a network access function, such as a Radio Access Network (RAN) base station, and the like. The network device may specifically include a Base Station (BS) device, or include a base station device and a radio resource management device for controlling the base station device, and the like. The network equipment may also include relay stations (relay devices), access points and base stations in future 5G networks, base stations or NR base stations in future evolved PLMN networks, etc. The network device may be a wearable device or an in-vehicle device. The network device may also be a communication chip having a communication module.

For example, network device 101 includes, but is not limited to: a next generation base station (gndeb) in 5G, an evolved node B (eNB) in an LTE system, a Radio Network Controller (RNC), a Node B (NB) in a WCDMA system, a radio controller under a CRAN system, a Base Station Controller (BSC), a Base Transceiver Station (BTS) in a GSM system or a CDMA system, a home base station (e.g., a home evolved node B or a home node B, HNB), a Base Band Unit (BBU), a transmission point (TRP), a Transmission Point (TP), or a mobile switching center, etc.

In some possible embodiments, the switching guard interval between SRS resources for SRS resource switching is set in the form of an integer number of characters (symbols). And corresponding to different numbers of characters according to subcarrier intervals (SCS) supported by different carriers. However, in a higher frequency band (for example, a millimeter wave frequency band, or even a terahertz frequency band), the SCS supported by the terminal is increasing, for example, 480kHz, 960kHz, etc., and the corresponding guard interval also needs to be increased, which results in an increasing resource overhead.

If the network device can acquire the switching capability of each user device, the user devices with different switching capabilities can be configured more reasonably according to the different switching capabilities of different user devices.

In a group of SRS resource sets, multiple SRS resources are configured, and different SRS resources correspond to different terminal antenna ports to perform path estimation when different terminal antennas reach a base station, so that when SRS resources are switched, a terminal needs to perform physical switching of the terminal antennas, before switching is completed, the terminal cannot perform SRS resource transmission, and a corresponding guard interval needs to be configured according to the capability of the terminal.

An embodiment of the present disclosure provides a method for transmitting guard time interval information, and fig. 2 is a flowchart illustrating a method for transmitting guard time interval information according to an exemplary embodiment, as shown in fig. 2, the method includes:

in step S201, the user equipment 102 transmits guard interval indication information to the network equipment 101.

Wherein the guard time interval indication information includes a length of at least one guard time interval, and the length of the at least one guard time interval corresponds to SRS resource configuration information. The at least one guard time interval is used for handover protection when switching between sounding reference signal, SRS, resources. Each SRS resource configuration information includes at least one set of parameters for indicating a frequency band and parameters for indicating a subcarrier spacing.

In a possible embodiment, the SRS resource configuration information corresponding to the length of the guard interval in the guard interval indication information includes all available frequency bands. For example, all frequency bands supported in a 5G network.

In a possible implementation manner, the SRS resource configuration information corresponding to the length of the guard interval in the guard interval indication information includes a plurality of available frequency bands. The number of the plurality of available frequency bands is greater than a set threshold. In some examples, the plurality of available frequency bands are frequency bands commonly used in 5G networks.

The network device 101 receives the guard time interval indication information sent by the user device 102, and thus can obtain the handover capability of the user device 102 and obtain the guard time intervals of the user device 102 in one or more frequency bands, so as to configure a reasonable guard time interval for the user device 102 according to the guard time interval.

In some possible embodiments, the length of the guard time interval is the number of OFDM symbols occupied by the guard time interval.

Step S202, the network device 101 determines a subcarrier interval corresponding to a target frequency band, and determines a length of a guard time interval corresponding to the target frequency band according to the subcarrier interval and the guard time interval indication information.

In some possible embodiments, the target frequency band is a frequency band indicated by a configuration parameter for indicating the frequency band in the guard interval configuration information.

In step S203, the network device 101 transmits SRS handover configuration information to the user equipment 102.

The SRS switching configuration information comprises at least one group of parameters for indicating a target frequency band and parameters for indicating the length of a guard time interval.

Step S204, the user equipment 102 performs SRS resource switching in the target frequency band by using the length of the guard time interval indicated by the SRS switching configuration information.

In the embodiment of the disclosure, the user equipment reports the SRS resource switching capabilities on multiple frequency bands to the network equipment, and the network equipment can definitely know the SRS resource switching capabilities of different user equipment, so that a reasonable guard time interval is configured for the user equipment with different SRS resource switching capabilities, the utilization rate of wireless resources is improved, and the processing performance of the user equipment is improved.

An embodiment of the present disclosure provides a method for transmitting guard time interval information, and fig. 3 is a flowchart illustrating a method for transmitting guard time interval information according to an exemplary embodiment, where as shown in fig. 3, the method includes:

in step S301, the network device 101 sends guard time interval configuration information to the user equipment 102.

Wherein the guard interval configuration information comprises at least one configuration parameter.

The configuration parameters may include a parameter for indicating a frequency band and a parameter for indicating a subcarrier spacing.

The frequency band may be a band defined in the protocol.

For example, the frequency band is at least one of 26 (collectively referred to as Sub6GHz) frequency bands below 6GHz in a 5G network. Such as the more commonly used n1, n3, n28, n41, n77, n78, n79 frequency bands.

After receiving the configuration information of the guard time interval sent by the network device 101, the user equipment 102 can know which guard time intervals corresponding to which frequency bands need to be reported.

In step S302, the user equipment 102 transmits guard interval indication information to the network equipment 101.

The information of the indication of the guard time interval includes a length of at least one guard time interval, where the at least one guard time interval is used for handover protection when switching between Sounding Reference Signal (SRS) resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter for indicating a frequency band and a parameter for indicating a subcarrier interval. The network device 101 receives the guard time interval indication information sent by the user device 102, and thus can obtain the handover capability of the user device 102 and obtain the guard time intervals of the user device 102 in one or more frequency bands, so as to configure a reasonable guard time interval for the user device 102 according to the guard time interval.

In an example, the guard interval configuration information received by the ue 102 includes two SRS resource configuration information, a first SRS resource configuration information indicates that the frequency band n1 and the SCS is 30KHz, and a second SRS resource configuration information indicates that the frequency band n258 and the SCS is 120 KHz. The guard interval indication information sent by the user equipment 102 to the network equipment includes two pieces of information, the first information is a guard interval corresponding to the first SRS resource configuration information, and has a specific value of 1 symbol, and the second information is a guard interval corresponding to the second SRS resource configuration information, and has a specific value of 2 symbols.

Step S303, the network device 101 determines a subcarrier interval corresponding to a target frequency band, and determines a length of a guard time interval corresponding to the target frequency band according to the subcarrier interval and the guard time interval indication information.

In some possible embodiments, the target frequency band is a frequency band indicated by one SRS resource configuration information in the guard time interval configuration information.

Step S304, the network device 101 transmits SRS handover configuration information to the user equipment 102.

The SRS switching configuration information comprises a parameter for indicating a target frequency band and a parameter for indicating the length of a guard time interval.

Step S305, the user equipment 102 performs SRS resource switching in the target frequency band by using the length of the guard time interval indicated by the SRS switching configuration information.

In the embodiment of the present disclosure, the user equipment reports, according to the configuration information of the guard time interval of the network equipment, the SRS resource switching capability in each frequency band indicated by the network equipment, and the network equipment can definitely know the SRS resource switching capability of different user equipments in a required frequency band, so that a reasonable guard time interval is configured for the user equipment with different SRS resource switching capabilities, the utilization rate of wireless resources is improved, and the processing performance of the user equipment is improved.

The disclosed embodiments provide a method for transmitting guard interval information, where the method is performed by a user equipment, and the method may be performed independently or in combination with any one of the other embodiments of the disclosed embodiments. Fig. 4 is a flowchart illustrating a method of transmitting guard interval information according to an example embodiment, as shown in fig. 4, the method including:

step S401, sending the guard time interval indication information to the network device.

Wherein the guard time interval indication information includes a length of at least one guard time interval, the length of the at least one guard time interval corresponding to SRS resource configuration information. The at least one guard time interval is used for handover protection when switching between sounding reference signal, SRS, resources. Each SRS resource configuration information includes at least one set of parameters for indicating a frequency band and parameters for indicating a subcarrier spacing.

In a possible implementation manner, the SRS resource configuration information corresponding to the length of the guard interval in the guard interval indication information includes all available frequency bands. For example, all frequency bands supported in a 5G network.

In one example, table 1 is satisfied for all frequency bands supported in a 5G network.

TABLE 1

Subcarrier spacing (kHz)	Guard time interval (number of characters)
		15	2
30	2
		60	2
120	4
		480	14
960	28

In another example, table 2 is met for all frequency bands supported in a 5G network.

TABLE 2

Subcarrier spacing (kHz)	Guard time interval (number of characters)
		15	1
30	1
		60	1
120	2
		480	7
960	14

In a possible implementation manner, the SRS resource configuration information corresponding to the length of the guard interval in the guard interval indication information includes a plurality of available frequency bands. The number of the plurality of available frequency bands is greater than a set threshold.

In some examples, the plurality of available frequency bands are one or more commonly used frequency bands in a 5G network.

In one example, the length of the guard interval indicated by the guard interval indication information is shown in table 3.

TABLE 3

Frequency band	Subcarrier spacing (kHz)	Guard time interval (number of characters)
			n1	15	1
n1	30	1
			n1	60	1
n77	15	2
			n77	30	2
n77	60	2

Step S402, receiving SRS switching configuration information sent by the network device.

In one example, the SRS switching configuration information is shown in table 4:

TABLE 4

Frequency band	Guard time interval (number of characters)
		n1	1

Step S403, performing SRS resource switching in the target frequency band by using the length of the guard time interval indicated by the SRS switching configuration information.

In an example, the user equipment uses a 1-character guard interval in SRS resource switching in the frequency band n1 according to table 4.

In the embodiment of the disclosure, the user equipment reports the SRS resource switching capabilities on multiple frequency bands to the network equipment, and the network equipment can definitely acquire the SRS resource switching capabilities of different user equipments, so that a reasonable guard time interval is configured for the user equipments with different SRS resource switching capabilities, the utilization rate of wireless resources is improved, and the processing performance of the user equipment is improved.

The disclosed embodiments provide a method for transmitting guard interval information, where the method is performed by a user equipment, and the method may be performed independently or in combination with any one of the other embodiments of the disclosed embodiments. Fig. 5 is a flowchart illustrating a method of transmitting guard interval information according to an example embodiment, as shown in fig. 5, the method including:

step S501, receiving guard time interval configuration information sent by the network device.

Wherein the guard time interval configuration information comprises at least one configuration parameter.

The guard time interval configuration information includes at least one configuration parameter.

In one example, the guard interval configuration information is shown in table 5.

TABLE 5

Frequency band	Subcarrier spacing (kHz)
		n1	15
n3	30
		n28	60
n258	120
		n263	480
n264	960

Step S502, sending the guard time interval indication information to the network device.

The information of the indication of the guard time interval includes a length of at least one guard time interval, where the at least one guard time interval is used for handover protection when switching between Sounding Reference Signal (SRS) resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter for indicating a frequency band and a parameter for indicating a subcarrier interval. In an example, the guard interval indicated in the guard interval indication information is as shown in table 6.

TABLE 6

Frequency band	Subcarrier spacing (kHz)	Guard time interval (number of characters)
			n1	15	2
n3	30	2
			n28	60	2
n258	120	4
			n263	480	14
n264	960	28

Step S503, receiving SRS switching configuration information sent by the network device.

In one example, the SRS switching configuration information is shown in table 7:

TABLE 7

Frequency band	Guard time interval (number of characters)
		n28	2

Step S504, performing SRS resource switching in the target frequency band by using the length of the guard time interval indicated by the SRS switching configuration information.

In one example, the user equipment uses a 2-character guard interval for switching between SRS resources in the frequency band n28 according to table 7.

The disclosed embodiments provide a method for receiving guard interval information, where the method is performed by a network device, and the method may be performed independently or in combination with any one of the other embodiments of the disclosed embodiments. Fig. 6 is a flow chart illustrating a method of receiving guard interval information, according to an example embodiment, as shown in fig. 6, the method comprising:

step S601, receiving the guard time interval indication information sent by the ue.

In some possible embodiments, the length of the guard time interval is the number of symbols occupied by the guard time interval.

Step S602, determining a subcarrier interval corresponding to a target frequency band, and determining a length of a guard time interval corresponding to the target frequency band according to the subcarrier interval and the guard time interval indication information.

Step S603, sending SRS switching configuration information to the user equipment.

The disclosed embodiments provide a method for receiving guard interval information, where the method is performed by a network device, and the method may be performed independently or in combination with any one of the other embodiments of the disclosed embodiments. Fig. 7 is a flow chart illustrating a method of receiving guard interval information according to an example embodiment, as shown in fig. 7, the method comprising:

step S701, sending guard time interval configuration information to the user equipment.

The guard time interval configuration information comprises at least one configuration parameter.

Step S702, receiving the guard interval indication information sent by the ue.

The information of the indication of the guard time interval includes a length of at least one guard time interval, where the at least one guard time interval is used for handover protection when switching between Sounding Reference Signal (SRS) resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter for indicating a frequency band and a parameter for indicating a subcarrier interval. In some possible embodiments, the length of the guard time interval is the number of symbols occupied by the guard time interval.

Step S703, determining a subcarrier interval corresponding to a target frequency band, and determining a length of a guard time interval corresponding to the target frequency band according to the guard time interval indication information and the subcarrier interval.

Step S704, sending SRS switching configuration information to the user equipment.

The embodiment of the present disclosure provides a method for receiving guard interval information, where the method is performed by a network device, and the method may be performed independently or in combination with any one of the other embodiments of the embodiment of the present disclosure.

The method includes at least one of:

when the guard time interval indication information sent by the user equipment is not received, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 15KHz is determined to be 1 character, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 30KHz is determined to be 1 character, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 60KHz is determined to be 1 character, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 120KHz is determined to be 2 characters, the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 480KHz is determined to be 7 characters, and the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 960KHz is determined to be 14 characters. I.e. the length of the guard interval is determined according to table 8:

TABLE 8

And sending SRS switching configuration information to the user equipment.

The SRS switching configuration information comprises a parameter used for indicating a target frequency band and a parameter used for indicating the length of a guard time interval.

Based on the same concept as the above method embodiment, the present application embodiment further provides a communication device, which may have the function of the user equipment 102 in the above method embodiment and may be configured to perform the steps performed by the user equipment 102 provided in the above method embodiment. The function can be realized by hardware, and can also be realized by software or hardware to execute corresponding software. The hardware or software includes one or more modules corresponding to the functions described above.

In a possible implementation manner, the communication apparatus 800 shown in fig. 8 may serve as the user equipment according to the foregoing method embodiment, and perform the steps performed by the user equipment in the foregoing method embodiment. As shown in fig. 8, the communication apparatus 800 may include a transceiver module 801 and a processing module 802, where the transceiver module 801 may be used to support the communication apparatus 800 for communication, and the transceiver module 801 may have a wireless communication function, for example, be capable of performing wireless communication with other communication apparatuses through a wireless air interface.

In performing the steps implemented by the user equipment 102, the transceiving module 801 is configured to transmit guard time interval indication information to the network equipment, the guard time interval indication information comprising a length of at least one guard time interval used for handover protection in handover between sounding reference signal, SRS, resources, the length of the at least one guard time interval corresponding to SRS resource configuration information comprising a parameter for indicating a frequency band and a parameter for indicating a subcarrier spacing.

In some possible embodiments, the length of the at least one guard time interval is the number of OFDM symbols occupied by the at least one guard time interval.

In some possible embodiments, the transceiver module 801 is configured to receive guard interval configuration information sent by a network device, where the guard interval configuration information includes at least one configuration parameter.

In some possible embodiments, the SRS resource configuration information includes at least: the at least one configuration parameter in the guard time interval configuration information.

In some possible embodiments, the transceiver module 801 is configured to receive SRS switching configuration information transmitted by the network device, where the SRS switching configuration information includes a parameter indicating a target frequency band and a parameter indicating a length of a guard time interval.

Fig. 9 is a block diagram illustrating an apparatus 900 for listening for a wake-up signal according to an example embodiment. For example, the apparatus 900 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.

Referring to fig. 9, apparatus 900 may include one or more of the following components: a processing component 902, a memory 904, a power component 906, a multimedia component 908, an audio component 910, an input/output (I/O) interface 912, a sensor component 914, and a communication component 916.

The processing component 902 generally controls overall operation of the device 900, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. Processing component 902 may include one or more processors 920 to execute instructions to perform all or a portion of the steps of the methods described above. Further, processing component 902 can include one or more modules that facilitate interaction between processing component 902 and other components. For example, the processing component 902 may include a multimedia module to facilitate interaction between the multimedia component 908 and the processing component 902.

The memory 904 is configured to store various types of data to support operation at the device 900. Examples of such data include instructions for any application or method operating on device 900, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 904 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power component 906 provides power for the various components of the device 900. The power components 906 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the device 900.

The multimedia component 908 comprises a screen providing an output interface between the device 900 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 908 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 900 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 910 is configured to output and/or input audio signals. For example, audio component 910 includes a Microphone (MIC) configured to receive external audio signals when apparatus 900 is in an operating mode, such as a call mode, a record mode, and a voice recognition mode. The received audio signals may further be stored in the memory 904 or transmitted via the communication component 916. In some embodiments, audio component 910 also includes a speaker for outputting audio signals.

I/O interface 912 provides an interface between processing component 902 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor component 914 includes one or more sensors for providing status assessment of various aspects of the apparatus 900. For example, the sensor assembly 914 may detect an open/closed state of the device 900, the relative positioning of the components, such as a display and keypad of the apparatus 900, the sensor assembly 914 may also detect a change in the position of the apparatus 900 or a component of the apparatus 900, the presence or absence of user contact with the apparatus 900, orientation or acceleration/deceleration of the apparatus 900, and a change in the temperature of the apparatus 900. The sensor assembly 914 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 914 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 914 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 916 is configured to facilitate communications between the apparatus 900 and other devices in a wired or wireless manner. The apparatus 900 may access a wireless network based on a communication standard, such as WiFi, 4G or 5G, or a combination thereof. In an exemplary embodiment, the communication component 916 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 916 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the apparatus 1400 may be implemented by 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), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.

In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 904 comprising instructions, executable by the processor 920 of the apparatus 900 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

Based on the same concept as the above method embodiment, the present application embodiment further provides a communication device, which may have the functions of the network device 101 in the above method embodiment and may be configured to perform the steps performed by the network device 101 provided in the above method embodiment. The function can be realized by hardware, and can also be realized by software or hardware to execute corresponding software. The hardware or software includes one or more modules corresponding to the functions described above.

In a possible implementation manner, the communication apparatus 1000 shown in fig. 10 may serve as the user equipment according to the foregoing method embodiment, and perform the steps performed by the network device 101 in the foregoing method embodiment. As shown in fig. 10, the communication device 1000 may include a transceiver module 1001 and a processing module, the transceiver module 1001 may be used to support the communication device 1000 for communication, and the transceiver module 1001 may have a wireless communication function, for example, capable of performing wireless communication with other communication devices through a wireless air interface.

In performing the steps performed by the network device 101, the transceiver module 1001 is configured to

In some possible embodiments, the transceiving module 1001 is configured to transmit guard interval configuration information to the user equipment, where the guard interval configuration information includes at least one configuration parameter.

In some possible embodiments, the processing module 1002 is configured to determine a subcarrier interval corresponding to a target frequency band, and determine a length of a guard time interval corresponding to the target frequency band according to the subcarrier interval and the guard time interval indication information.

In some possible embodiments, the processing module 1002 is configured to, when the guard time interval indication information sent by the user equipment is not received, determine that the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 15KHz is 1 character, determine that the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 30KHz is 1 character, determine that the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 60KHz is 1 character, determine that the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 120KHz is 2 characters, determine that the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 480KHz is 7 characters, and determine that the length of a guard time interval corresponding to a target frequency band with a subcarrier interval of 960KHz is 14 characters.

In some possible embodiments, the transceiver module 1001 is configured to transmit SRS switching configuration information to the user equipment, where the SRS switching configuration information includes a parameter indicating a target frequency band and a parameter indicating a length of a guard time interval.

When the communication apparatus is a network device, the structure thereof can also be as shown in fig. 11. The structure of the communication apparatus will be described by taking the network device 101 as a base station as an example. As shown in fig. 11, the apparatus 1100 includes a memory 1101, a processor 1102, a transceiver component 1103, and a power component 1106. The memory 1101 is coupled to the processor 1102 and is used for storing programs and data necessary for the communication device 1100 to implement various functions. The processor 1102 is configured to enable the communication device 1100 to perform corresponding functions of the above-described methods, which functions may be implemented by invoking programs stored in the memory 1101. The transceiving component 1103 can be a wireless transceiver and can be configured to enable the communication device 1100 to receive signaling and/or data and transmit signaling and/or data over a wireless air interface. The transceiver component 1103 may also be referred to as a transceiver unit or a communication unit, and the transceiver component 1103 may include a radio frequency component 1104 and one or more antennas 1105, where the radio frequency component 1104 may be a Remote Radio Unit (RRU), and may be specifically configured to transmit a radio frequency signal and convert the radio frequency signal into a baseband signal, and the one or more antennas 1105 may be specifically configured to radiate and receive the radio frequency signal.

When the communication device 1100 needs to transmit data, the processor 1102 may perform baseband processing on the data to be transmitted, and then output a baseband signal to the rf unit, and the rf unit performs rf processing on the baseband signal and then transmits the rf signal in the form of electromagnetic waves through the antenna. When data is transmitted to the communication device 1100, the rf unit receives an rf signal through the antenna, converts the rf signal into a baseband signal, and outputs the baseband signal to the processor 1102, and the processor 1102 converts the baseband signal into data and processes the data.

Other embodiments of the disclosed embodiments will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the embodiments of the disclosure following, in general, the principles of the embodiments of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosed embodiments being indicated by the following claims.

It is to be understood that the disclosed embodiments are not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the embodiments of the present disclosure is limited only by the appended claims.

Industrial applicability

The network equipment can definitely acquire the SRS resource switching capability of different user equipment, so that a reasonable protection time interval is configured for the user equipment with different SRS resource switching capabilities, the utilization rate of wireless resources is improved, and the processing performance of the user equipment is improved.

Claims

1. A method of transmitting guard interval information, performed by a user equipment, the method comprising:

transmitting guard time interval indication information to a network device, wherein the guard time interval indication information includes a length of at least one guard time interval, the at least one guard time interval is used for handover protection in switching between Sounding Reference Signal (SRS) resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter for indicating a frequency band and a parameter for indicating a subcarrier interval.

2. The method of claim 1, wherein the method further comprises:

3. The method of claim 1 or 2, wherein the method further comprises:

4. The method of claim 3, wherein,

the SRS resource configuration information at least comprises: the at least one configuration parameter in the guard time interval configuration information.

5. The method of any of claims 1 to 4, wherein the method further comprises:

6. A method of receiving guard interval information, performed by a network device, the method comprising:

receiving guard time interval indication information sent by user equipment, wherein the guard time interval indication information comprises at least one guard time interval length, the at least one guard time interval length is used for switching protection during switching of reference signal SRS resources, the at least one guard time interval length corresponds to SRS resource configuration information, and the SRS resource configuration information comprises parameters used for indicating a frequency band and parameters used for indicating subcarrier intervals.

7. The method of claim 7, wherein the method further comprises:

8. The method of claim 7 or 8, wherein the method further comprises:

and sending guard time interval configuration information to the user equipment, wherein the guard time interval configuration information comprises at least one configuration parameter.

9. The method of claim 9, wherein,

10. The method of any of claims 7 to 10, wherein the method further comprises:

11. The method of any one of claims 7 to 10, wherein the method further comprises at least one of:

12. The method of claim 11 or 12, wherein the method further comprises:

and sending SRS switching configuration information to the user equipment, wherein the SRS switching configuration information comprises a parameter for indicating a target frequency band and a parameter for indicating the length of a guard time interval.

13. An apparatus for transmitting guard interval information, configured at a user equipment, comprising:

a transceiver module configured to transmit guard time interval indication information to a network device, the guard time interval indication information including a length of at least one guard time interval, the at least one guard time interval being used for handover protection in handover between sounding reference signal, SRS, resources, the length of the at least one guard time interval corresponding to SRS resource configuration information, the SRS resource configuration information including a parameter indicating a frequency band and a parameter indicating a subcarrier spacing.

14. An apparatus for receiving guard interval information, configured at a network device, comprising:

a transceiver module configured to receive guard time interval indication information sent by a user equipment, where the guard time interval indication information includes a length of at least one guard time interval, the at least one guard time interval is used for handover protection in handover between reference signal SRS resources, the length of the at least one guard time interval corresponds to SRS resource configuration information, and the SRS resource configuration information includes a parameter indicating a frequency band and a parameter indicating a subcarrier spacing.

15. An electronic device comprising a processor and a memory, wherein,

the memory is used for storing a computer program;

the processor is adapted to execute the computer program to implement the method of any of claims 1-5.

16. An electronic device comprising a processor and a memory, wherein,

the memory is used for storing a computer program;

the processor is adapted to execute the computer program to implement the method of any of claims 6-12.

17. A computer-readable storage medium having instructions stored therein, which when invoked for execution on a computer, cause the computer to perform the method of any one of claims 1-5.

18. A computer-readable storage medium having instructions stored therein, which when invoked on a computer, cause the computer to perform the method of any of claims 6-12.