CN113541899B

CN113541899B - SRS frequency domain parameter updating method and equipment

Info

Publication number: CN113541899B
Application number: CN202010318719.5A
Authority: CN
Inventors: 塔玛拉卡·拉盖施; 孙晓东
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2023-07-04
Anticipated expiration: 2040-04-21
Also published as: CN113541899A; WO2021213372A1

Abstract

The embodiment of the invention discloses a method and equipment for updating frequency domain parameters of SRS (sounding reference signal), which are used for solving the problem of long updating period of the frequency domain parameters of the SRS. The method may be performed by a terminal device, comprising: receiving a frequency domain parameter updating signaling, wherein the frequency domain parameter updating signaling is used for indicating a terminal device to update frequency domain parameters of SRS, and the frequency domain parameters comprise at least one of the following: transmitting comb parameters; frequency domain location parameters; frequency domain offset parameters; bandwidth configuration c-SRS parameters; bandwidth b-SRS parameters; frequency hopping bandwidth b-hop parameters.

Description

SRS frequency domain parameter updating method and equipment

Technical Field

The embodiment of the invention relates to the field of communication, in particular to a method and equipment for updating frequency domain parameters of sounding reference signals (Sounding Reference Signal, SRS).

Background

The uplink SRS includes periodic SRS, aperiodic SRS and semi-persistent SRS. After the terminal device is configured with the periodic SRS, transmitting the SRS according to the configured period, wherein the frequency domain parameters such as the transmission bandwidth, the frequency domain position and the like are preconfigured by the radio resource control (Radio Resource Control, RRC); the aperiodic SRS is sent after dynamic triggering, and frequency domain parameters such as bandwidth, frequency domain position and the like are also preconfigured by the RRC; the frequency domain parameters of the semi-persistent SRS are configured in a similar manner to the periodic SRS, and the terminal device can only transmit after being activated to transmit the semi-persistent SRS until being deactivated.

The above scheme may result in that the frequency domain parameters of the SRS may not be updated for a long time in consideration of the characteristics of RRC signaling. For some traffic types, such as ultra-high reliability and low latency communications (Ultra Reliable Low Latency Communications, URLLC); or some bursty traffic, long-term adoption of the same SRS frequency domain parameter configuration may result in unsatisfactory traffic requirements or inefficiency.

Disclosure of Invention

The embodiment of the invention aims to provide a method and equipment for updating frequency domain parameters of SRS, which are used for solving the problem of long updating period of the frequency domain parameters of the SRS.

In a first aspect, there is provided a method for updating frequency domain parameters of an SRS, wherein the method is performed by a terminal device, and the method includes:

receiving a frequency domain parameter updating signaling, wherein the frequency domain parameter updating signaling is used for indicating the terminal equipment to update the frequency domain parameter of the sounding reference signal SRS, and the frequency domain parameter comprises at least one of the following:

transmitting comb parameters;

frequency domain location parameters;

frequency domain offset parameters;

bandwidth configuration c-SRS parameters;

bandwidth b-SRS parameters;

frequency hopping bandwidth b-hop parameters.

In a second aspect, there is provided a method for updating frequency domain parameters of SRS, the method being performed by a network device, the method comprising:

Transmitting a frequency domain parameter updating signaling, wherein the frequency domain parameter updating signaling is used for indicating a terminal device to update frequency domain parameters of SRS, and the frequency domain parameters comprise at least one of the following:

transmitting comb parameters;

frequency domain location parameters;

frequency domain offset parameters;

c-SRS parameters;

b-SRS parameters;

b-hop parameters.

In a third aspect, there is provided a terminal device comprising:

the receiving module is configured to receive a frequency domain parameter update signaling, where the frequency domain parameter update signaling is configured to instruct the terminal device to update a frequency domain parameter of an SRS, and the frequency domain parameter includes at least one of:

transmitting comb parameters;

frequency domain location parameters;

frequency domain offset parameters;

c-SRS parameters;

b-SRS parameters;

b-hop parameters.

In a fourth aspect, there is provided a network device comprising:

a sending module, configured to send a frequency domain parameter update signaling, where the frequency domain parameter update signaling is configured to instruct a terminal device to update a frequency domain parameter of an SRS, and the frequency domain parameter includes at least one of the following:

transmitting comb parameters;

frequency domain location parameters;

frequency domain offset parameters;

c-SRS parameters;

b-SRS parameters;

b-hop parameters.

In a fifth aspect, there is provided a terminal device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the frequency domain parameter updating method of SRS according to the first aspect when executed by the processor.

In a sixth aspect, there is provided a network device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program implementing the frequency domain parameter updating method of SRS according to the second aspect when executed by the processor.

In a seventh aspect, there is provided a computer-readable storage medium having stored thereon a computer program that, when executed by a processor, implements the frequency domain parameter updating method of SRS according to any one of the first and second aspects.

In the embodiment of the invention, the network equipment can dynamically instruct the terminal equipment to update the frequency domain parameters of the SRS through the frequency domain parameter updating signaling, so that the problem of long updating period of the frequency domain parameters of the SRS can be solved, the updating of the frequency domain parameters of the SRS is more flexible, different communication requirements can be conveniently met, and the communication efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

Fig. 1 is a schematic flowchart of a frequency domain parameter updating method of an SRS according to an embodiment of the present invention;

fig. 2 is a schematic flowchart of a frequency domain parameter updating method of an SRS according to another embodiment of the present invention;

fig. 3 is a schematic structural view of a terminal device according to an embodiment of the present invention;

fig. 4 is a schematic diagram of the structure of a network device according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a terminal device according to another embodiment of the present invention;

fig. 6 is a schematic structural diagram of a network device according to another embodiment of the present invention.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure. "and/or" in various embodiments of the present description means at least one of the former and latter.

It should be understood that the technical solution of the embodiment of the present invention may be applied to various communication systems, for example: a long term evolution (Long Term Evolution, LTE) system, an LTE frequency division duplex (Frequency Division Duplex, FDD) system, an LTE time division duplex (Time Division Duplex, TDD), a universal mobile telecommunications system (Universal Mobile Telecommunication System, UMTS) or worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, wiMAX) telecommunications system, a 5G system, or a New Radio (NR) system, or a subsequent evolution telecommunications system.

In an 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 phone), a User Equipment (UE), a handset (handset), a portable device (portable Equipment), a vehicle (vehicle), and the like, and may communicate with one or more core networks via a radio access network (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 like, and the Terminal device may also be a portable, pocket, hand-held, computer-built-in, or vehicle-mounted Mobile device.

In the embodiment of the invention, the network equipment is a device which is deployed in the wireless access network and used for providing a wireless communication function for the terminal equipment. The network device may be a base station, which may include various forms of macro base stations, micro base stations, relay stations, access points, and the like. In systems employing different radio access technologies, the names of devices with base station functionality may vary. For example, in LTE networks, referred to as Evolved nodebs (enbs or enodebs), in third generation (3rd Generation,3G) networks, referred to as nodebs (Node bs), in 5G systems, as next generation nodebs (gnbs), or network devices in subsequent Evolved communication systems, etc., although the term is not limiting.

As shown in fig. 1, one embodiment of the present invention provides a frequency domain parameter updating method 100 of a sounding reference signal (Sounding Reference Signal, SRS), which may be performed by a terminal device, in other words, by software or hardware installed in the terminal device, the method comprising the steps of:

s102: and receiving a frequency domain parameter updating signaling, wherein the frequency domain parameter updating signaling is used for indicating the terminal equipment to update the frequency domain parameters of the SRS.

Wherein the frequency domain parameters include at least one of:

1) -a transmission comb (transmission comb) parameter;

2) A frequency domain position (frequencydomain position) parameter;

3) A frequency domain offset (frequencydomaimaishift) parameter;

4) The bandwidth configuration c-SRS (SRS Bandwidth Configuration) parameter (hereinafter simply referred to as the c-SRS parameter or the c-SRS);

5) A bandwidth b-SRS (SRS Bandwidth) parameter (hereinafter simply referred to as b-SRS parameter or b-SRS);

6) Frequency hopping bandwidth b-hop parameters.

Alternatively, the frequency domain parameter update signaling may be media access Control (Media Access Control, MAC) Element (CE) signaling, or downlink Control information (Downlink Control Information, DCI) signaling.

In this embodiment, the frequency domain parameter update signaling may be used to instruct the terminal device to update one or more of the frequency domain parameters listed above in 1) to 6), for example, to instruct the terminal device to update the transmission comb parameters and the c-SRS parameters.

Optionally, the step S102 may further include the following steps: receiving higher layer configuration signaling, such as radio resource control (Radio Resource Control, RRC) signaling, for configuring the frequency domain parameters; in particular, this higher layer configuration signaling may be used to configure all of the frequency domain parameters listed above under 1) through 6). The SRS may be a periodic SRS, an aperiodic SRS, or a semi-persistent SRS.

The transport comb parameters may be configured by higher layer signaling to be either 2 or 4: the transmission comb parameter is equal to 2, corresponding to 2 comb offset values (combffset); the transmission comb parameter is equal to 4, corresponding to 4 comb offset values. In one example, if the transmission comb parameter configured by the higher layer signaling is 2, the frequency domain parameter update signaling instructs the terminal device to update the transmission comb parameter, and the transmission comb parameter may be updated from 2 to 4.

The frequency domain location parameter is a subband location at which the SRS is first transmitted in the case of SRS frequency hopping transmission.

The frequency domain offset parameter indicates an offset value in units of physical resource blocks (Physical Resource Block, PRBs) within a bandwidth Part (BWP), and a frequency hopping (frequency hopping) pattern is determined by the c-SRS parameter, the b-SRS parameter, and the b-hop parameter value.

The above-mentioned c-SRS parameter represents the total frequency domain resource allocated by the network device for SRS transmission of all terminal devices in the cell, and the c-SRS parameter is a cell-specific (cell-specific) parameter.

The above-mentioned b-SRS parameter represents the sub-band bandwidth occupied by the actual SRS transmission allocated according to the system requirement for a specific terminal equipment (UE-specific).

According to the frequency domain parameter updating method of the SRS, the network equipment can dynamically instruct the terminal equipment to update the frequency domain parameter of the SRS through the frequency domain parameter updating signaling, the problem that the updating period of the frequency domain parameter of the SRS is long can be solved, the frequency domain parameter of the SRS is updated more flexibly, different communication requirements can be met conveniently, and the communication efficiency is improved.

Optionally, in one example (hereinafter referred to as example one), the above frequency domain parameter update signaling is used to instruct the terminal device to update the frequency domain offset parameter and the c-SRS parameter. For example, the frequency parameter update signaling indicates an updated frequency domain offset parameter and an updated c-SRS parameter for the terminal device to update the frequency domain offset parameter and the c-SRS parameter. For another example, the frequency parameter update signaling merely indicates that the terminal device needs to update the frequency domain offset parameter and the c-SRS parameter, and the terminal device may update the frequency domain offset parameter and the c-SRS parameter based on a preset update rule.

Thus, embodiment 100 may further include the steps of: updating the frequency domain offset parameter and the c-SRS parameter according to the frequency domain parameter updating signaling; updating the transmission comb parameters according to the change (e.g., increasing or decreasing) of the c-SRS parameters, or maintaining the transmission comb parameters unchanged.

Optionally, in one example (hereinafter referred to as example two), the frequency domain parameter update signaling is used to instruct the terminal device to update the c-SRS parameter. For example, the frequency parameter update signaling indicates an updated c-SRS parameter that is used for the terminal device to update the c-SRS parameter. For another example, the frequency parameter update signaling merely indicates that the terminal device needs to update the c-SRS parameter, and the terminal device may update the c-SRS parameter based on a preset update rule.

Thus, embodiment 100 may further include the steps of: updating the c-SRS parameters according to the frequency domain parameter updating signaling; and updating the frequency domain offset parameter or maintaining the frequency domain offset parameter unchanged.

Optionally, in one example (hereinafter referred to as example three), the frequency domain parameter update signaling is used to instruct the terminal device to update the frequency domain offset parameter and the c-SRS parameter according to the target relative value. For example, the frequency parameter update signaling indicates a target relative value (or referred to as an adjustment factor) that is used by the terminal device to determine the updated frequency domain offset parameter and the updated c-SRS parameter. For another example, the frequency parameter update signaling merely indicates that the terminal device needs to update the frequency domain offset parameter and the c-SRS parameter, the target relative value is agreed by the protocol, and the terminal device may update the frequency domain offset parameter and the updated c-SRS parameter based on the target relative value.

Thus, embodiment 100 may further include the steps of: updating the frequency domain offset parameter and the c-SRS parameter according to the target relative value; updating the transmission comb parameters according to the change (e.g., increasing or decreasing) of the c-SRS parameters, or maintaining the transmission comb parameters unchanged. The target relative value may be indicated by a frequency domain parameter update signaling or may be predetermined by a protocol.

In the above first and third examples, in the case of updating the transport comb parameter, the method further includes the steps of: updating a comb offset value corresponding to the transmission comb parameter; or maintaining the comb offset value corresponding to the transmission comb parameter unchanged. Specifically, for example, the transmission comb parameter of the higher layer configuration is 2, the comb offset value is 0, and the updated transmission comb parameter is 4. The embodiment can maintain the comb offset value corresponding to the transmission comb parameter 4 as 0, and can update the comb offset value corresponding to the transmission comb parameter 4 as 1.

Optionally, updating the transmission comb parameter according to the change of the c-SRS parameter mentioned in the above example one and example three includes one of the following 1) to 4):

1) And if the updated c-SRS parameter is larger than the c-SRS parameter configured by the high-level signaling, increasing the transmission comb parameter, or maintaining the transmission comb parameter unchanged under the condition that the transmission comb parameter is the maximum value.

2) And if the updated c-SRS parameter is larger than the c-SRS parameter configured by the high-level signaling, reducing the transmission comb parameter, or maintaining the transmission comb parameter unchanged under the condition that the transmission comb parameter is the minimum value.

3) And if the updated c-SRS parameter is smaller than the c-SRS parameter configured by the high-level signaling, reducing the transmission comb parameter, or maintaining the transmission comb parameter unchanged under the condition that the transmission comb parameter is the minimum value.

4) And if the updated c-SRS parameter is smaller than the c-SRS parameter configured by the high-level signaling, increasing the transmission comb parameter, or maintaining the transmission comb parameter unchanged under the condition that the transmission comb parameter is the maximum value.

Optionally, updating the c-SRS parameter according to the target relative value mentioned in the third example above includes: configuring the c-SRS parameter or m corresponding to the c-SRS parameter of the higher layer signaling _SRS,0 Dividing or multiplying the target relative value to obtain an intermediate result, wherein the target relative value is greater than 1; determining the updated c-SRS parameters according to the intermediate result; wherein m is _SRS,0 Representing the number of Resource Blocks (RBs) each node includes in the frequency domain in the 0 layer of the transport comb, with respect to m _SRS,0 See also tables 1 and 2 below for an explanation of (c).

The above-mentioned determining the updated c-SRS parameters based on the intermediate result includes: if there is m in the bandwidth configuration table equal to the intermediate result _SRS,0 According to said m _SRS,0 The corresponding c-SRS parameters determine updated c-SRS parameters; or if there is no m in the bandwidth configuration table equal to the intermediate result _SRS,0 The first m to be greater or less than the intermediate result _SRS,0 And the corresponding c-SRS parameter is used as the updated c-SRS parameter.

If m equal to the intermediate result exists in the bandwidth configuration table, as mentioned above _SRS,0 According to said m _SRS,0 The corresponding c-SRS parameter determining updated c-SRS parameters comprises the following steps: if there are a plurality of m in the bandwidth configuration table equal to the intermediate result _SRS,0 A plurality of said m _SRS,0 Corresponding to the plurality of first target c-SRS parameters, the steps listed in 1) to 4) below may be sequentially performed.

1) M corresponding to the c-SRS parameter configured according to high-layer signaling _SRS,1 Whether to and a plurality of the first target c-SRSM corresponding to parameter _SRS,0 Equal to determine the updated c-SRS parameters.

2) If the m corresponding to the c-SRS parameter of the higher layer signaling configuration _SRS,1 M corresponding to a plurality of second target c-SRS parameters _SRS,0 Equal (or m corresponding to the c-SRS parameter of higher layer signaling configuration) _SRS,1 M corresponding to 0 second target c-SRS parameters _SRS,0 Equal), m corresponding to the c-SRS parameters configured according to higher layer signaling _SRS,2 Whether or not m corresponds to a plurality of the second target c-SRS parameters _SRS,1 Equal to determine the updated c-SRS parameters.

It can be appreciated that if the higher layer signaling is configured with m corresponding to the c-SRS parameter _SRS,1 M corresponding to a second target c-SRS parameter _SRS,0 Equal, the one second target c-SRS parameter may be taken as the updated c-SRS parameter.

3) If the m corresponding to the c-SRS parameter of the higher layer signaling configuration _SRS,2 M corresponding to a plurality of third target c-SRS parameters _SRS,1 Equal (or m corresponding to the c-SRS parameter of higher layer signaling configuration) _SRS,2 M corresponding to 0 third target c-SRS parameters _SRS,1 Equal), m corresponding to the c-SRS parameters configured according to higher layer signaling _SRS,3 Whether or not m corresponds to a plurality of the third target c-SRS parameters _SRS,2 Equal to determine the updated c-SRS parameters.

It can be appreciated that if the higher layer signaling is configured with m corresponding to the c-SRS parameter _SRS,2 M corresponding to a third target c-SRS parameter _SRS,1 Equal, the one third target c-SRS parameter may be taken as the updated c-SRS parameter.

4) If the m corresponding to the c-SRS parameter of the higher layer signaling configuration _SRS,3 M corresponding to a plurality of fourth target c-SRS parameters _SRS,2 Equal (or m corresponding to the c-SRS parameter of higher layer signaling configuration) _SRS,3 M corresponding to 0 fourth target c-SRS parameters _SRS,2 Equal), taking the minimum value or the maximum value of a plurality of the fourth target c-SRS parameters as the updated c-SRS parameters; alternatively, will be moreAnd taking the minimum value or the maximum value of the first target c-SRS parameter as the updated c-SRS parameter.

Optionally, updating the frequency domain offset parameter according to the target relative value mentioned in the above example three includes: obtaining the updated frequency domain offset parameter according to the offset and the frequency domain offset parameter configured by the high-layer signaling, wherein the offset is as follows:

or (I)>

Wherein,,

representing a rounding down, a +.>

Representing upward rounding, M is the target relative value, N epsilon {0 to (M-1) }; m is m _SRS,0 Values corresponding to the c-SRS parameters configured for higher layer signaling, m _SRS,0 The number of RBs each node includes in the frequency domain in the 0 layer of the transport comb is represented. Alternatively, the above-mentioned parameter N value used for calculating the offset may be indicated by frequency domain parameter update signaling.

This embodiment is to configure the higher layer signaling with m corresponding to the c-SRS parameter _SRS,0 Dividing the target relative value M to obtain an intermediate result; multiplying N by the intermediate result to obtain an offset; and obtaining updated frequency domain offset parameters from the frequency domain offset parameters configured through high-level signaling.

Specifically, for example, according to the sum (or difference) of the frequency domain offset parameter configured by the higher layer signaling and the offset, the updated frequency domain offset parameter is obtained.

Optionally, the third example may further include the following steps: updating the frequency domain position parameter according to the updated frequency domain offset parameter and the updated c-SRS parameter; or to maintain the frequency domain location parameters unchanged.

Optionally, the frequency domain parameter update signaling in embodiment 100 is used to instruct the terminal device to update the c-SRS parameter, and the method 100 further includes the steps of: updating the c-SRS parameters according to the frequency domain parameter updating signaling; and updating the power parameter (beta_SRS) of the SRS according to the updated c-SRS parameter, and the subsequent terminal equipment can also send the SRS according to the updated power parameter.

Optionally, the above-described embodiments may further include the following steps: updating the frequency domain parameters according to the frequency domain parameter updating signaling; and sending SRS according to the updated frequency domain parameters.

In one example, the frequency domain parameters include a validity period.

In another example, the above method further comprises at least one of: receiving an activation signaling, wherein the activation signaling is used for indicating the terminal equipment to activate the updated frequency domain parameters; receiving a deactivation signaling, wherein the deactivation signaling is used for indicating the terminal equipment to deactivate the updated frequency domain parameters;

Optionally, embodiment 100 further comprises one of:

1) Transmitting the SRS on an even number of transmission occasions;

2) Transmitting the SRS on an odd number of transmission occasions;

3) The SRS is transmitted every W transmission opportunities at intervals, W being an integer greater than or equal to 2.

In this embodiment, in the case of higher layer signaling configuration SRS frequency hopping transmission, n is not _SRS SRS is transmitted every time at transmission time, and the SRS is transmitted at n only _SRS When the value is odd (or even), the terminal transmits SRS; or once every W times.

In the embodiment, under the condition of SRS frequency hopping transmission, the SRS transmission behavior is controlled in the time domain, so that the SRS transmission can be reduced, and resources are conveniently saved.

In order to describe the frequency domain parameter updating method of the SRS in detail, the following description will be made with reference to two specific embodiments.

Embodiment one:

as shown in table 1 below, table 1 is a part of the bandwidth configuration table of SRS, and c-SRS values are 6,7,8 and 14. Assume that the c-srs=14, corresponding m, of the original higher layer signaling (RRC) configuration _SRS,0 Equal to 52.

The frequency domain parameter updating signaling received by the terminal equipment instructs the terminal equipment to update the c-SRS parameter, and the terminal equipment configures m corresponding to the c-SRS parameter of the higher layer signaling _SRS,0 (52) divided by the target relative value M (assumed to be 2) to obtain intermediate result 26; there is no m in the bandwidth allocation table equal to the intermediate result 26 _SRS,0 Either one of the following may be performed.

1) The first m to be larger than the intermediate result 26 _SRS,0 The corresponding c-SRS parameter (28 in table 1) is used as the updated c-SRS parameter (8 in table 1), and the updated c-srs=8.

2) The first m to be smaller than the intermediate result 26 _SRS,0 The corresponding c-SRS parameter (24 in table 1) is used as the updated c-SRS parameter (7 in table 1), and the updated c-srs=7.

TABLE 1 Bandwidth configuration Table (section) for SRS

Embodiment two:

as shown in table 2 below, table 2 is a part of the bandwidth configuration table of SRS, and c-SRS values are 6,7,12 and 13. Assume that the c-srs=13, corresponding m, of the original higher layer signaling (RRC) configuration _SRS,0 Equal to 48.

The frequency domain parameter updating signaling received by the terminal equipment instructs the terminal equipment to update the c-SRS parameter, and the terminal equipment configures m corresponding to the c-SRS parameter of the higher layer signaling _SRS,0 (48) divided by the target relative value M (assumed to be 2) to obtain intermediate result 24; there are two m in the bandwidth allocation table equal to the intermediate result 24 _SRS,0 M corresponding to c-srs=6 respectively _SRS,0 And m corresponding to c-srs=7 _SRS,0 。

Due to higher layer signaling configurationM corresponding to c-srs=13 _SRS,1 =24, still m corresponding to c-srs=6 _SRS,0 M corresponding to c-srs=7, and=24 _SRS,0 =24, then the comparison continues.

M corresponding to c-srs=13 due to higher layer signaling configuration _SRS,2 M corresponding to=12 and c-srs=7 _SRS,1 =12, at which time the updated c-srs=7. (as can be seen from table 2, m corresponding to c-srs=13 _SRS,2 M corresponding to=12 and c-srs=6 _SRS,1 =4 is not equal, so c-srs=6 is not selected

Embodiment III:

this example is also illustrated by way of example in table 2. As shown in table 2 below, table 2 is a part of the bandwidth configuration table of SRS, and c-SRS values are 6,7,12 and 13. Assume that the c-srs=12, corresponding m, of the original higher layer signaling (RRC) configuration _SRS,0 Equal to 48.

M corresponding to c-srs=12 due to higher layer signaling configuration _SRS,1 M corresponding to c-srs=6 and=16 _SRS,0 M corresponding to c-srs=7, and=24 _SRS,0 And =24, and the comparison is continued.

M corresponding to c-srs=12 due to higher layer signaling configuration _SRS,2 M corresponding to=8 and c-srs=6 _SRS,1 M corresponding to c-srs=7 and=4 _SRS,1 And 12, and continuing the comparison.

M corresponding to c-srs=12 due to higher layer signaling configuration _SRS,3 M corresponding to=4 and c-srs=6 _SRS,2 M corresponding to c-srs=7 and=4 _SRS,2 =4, and at this time, no comparison can be continued, one of the following may be performed:

1) The minimum value of both c-srs=6 and c-srs=7 is taken as the updated c-SRS parameter, and the updated c-srs=6.

2) The maximum of c-srs=6 and c-srs=7 is taken as the updated c-SRS parameter, and the updated c-srs=7.

TABLE 2 Bandwidth configuration Table (section) for SRS

The frequency domain parameter updating method of the SRS according to the embodiment of the present invention is described in detail above with reference to fig. 1. A frequency domain parameter updating method of an SRS according to another embodiment of the present invention will be described in detail with reference to fig. 2. It will be appreciated that the interaction of the network device with the terminal device described from the network device side is the same as the description of the terminal device side in the method shown in fig. 1, and the description thereof is omitted appropriately to avoid repetition.

Fig. 2 is a schematic flow chart of an implementation of a frequency domain parameter updating method of SRS according to the embodiment of the present invention, which may be applied to a network device side. As shown in fig. 2, the method 200 includes:

S202: and sending a frequency domain parameter updating signaling, wherein the frequency domain parameter updating signaling is used for indicating the terminal equipment to update the frequency domain parameters of the SRS.

The frequency domain parameters include at least one of:

transmitting comb parameters;

frequency domain location parameters;

frequency domain offset parameters;

c-SRS parameters;

b-SRS parameters;

b-hop parameters.

Optionally, as an embodiment, the method 200 further includes one of:

receiving the SRS on even number of transmission occasions;

receiving the SRS on an odd number of transmission occasions;

the SRS is received every W transmission opportunities, W being an integer greater than or equal to 2.

The frequency domain parameter updating method of the SRS according to the embodiment of the present invention is described in detail above with reference to fig. 1 to 2. The terminal device according to an embodiment of the present invention will be described in detail below with reference to fig. 3.

Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 3, the terminal device 300 includes:

A receiving module 302, configured to receive frequency domain parameter update signaling, where the frequency domain parameter update signaling is configured to instruct the terminal device to update frequency domain parameters of SRS, and the frequency domain parameters include at least one of:

transmitting comb parameters;

frequency domain location parameters;

frequency domain offset parameters;

c-SRS parameters;

b-SRS parameters;

b-hop parameters.

Optionally, as an embodiment, the frequency domain parameter update signaling is configured to instruct the terminal device to update the frequency domain offset parameter and the c-SRS parameter, and the terminal device 300 further includes an update module may be configured to:

updating the frequency domain offset parameter and the c-SRS parameter according to the frequency domain parameter updating signaling;

and updating the transmission comb parameters according to the change of the c-SRS parameters or maintaining the transmission comb parameters unchanged.

Optionally, as an embodiment, the frequency domain parameter update signaling is configured to instruct the terminal device to update the frequency domain offset parameter and the c-SRS parameter according to a target relative value, and the terminal device 300 further includes an update module, which may be configured to:

Updating the frequency domain offset parameter and the c-SRS parameter according to the target relative value;

Optionally, as an embodiment, the frequency domain parameter update signaling is configured to instruct the terminal device to update the c-SRS parameter, and the terminal device 300 further includes an update module, which may be configured to:

updating the c-SRS parameters according to the frequency domain parameter updating signaling;

updating the frequency domain offset parameter or maintaining the frequency domain offset parameter unchanged.

Optionally, as an embodiment, in case of updating the transport comb parameters, the terminal device 300 further comprises an updating module, which may be configured to:

updating a comb offset value corresponding to the transmission comb parameter; or maintaining the comb offset value corresponding to the transmission comb parameter unchanged.

Optionally, as an embodiment, the updating the transmission comb parameter according to the change of the c-SRS parameter includes one of:

if the updated c-SRS parameter is larger than the c-SRS parameter configured by high-level signaling, the transmission comb parameter is increased, or the transmission comb parameter is maintained unchanged under the condition that the transmission comb parameter is the maximum value;

If the updated c-SRS parameter is larger than the c-SRS parameter configured by high-level signaling, reducing the transmission comb parameter, or maintaining the transmission comb parameter unchanged under the condition that the transmission comb parameter is the minimum value;

if the updated c-SRS parameter is smaller than the c-SRS parameter configured by high-level signaling, reducing the transmission comb parameter, or maintaining the transmission comb parameter unchanged under the condition that the transmission comb parameter is the minimum value;

and if the updated c-SRS parameter is smaller than the c-SRS parameter configured by high-level signaling, increasing the transmission comb parameter, or maintaining the transmission comb parameter unchanged under the condition that the transmission comb parameter is the maximum value.

Alternatively, as an embodiment, the update module may be configured to:

configuring the c-SRS parameter or m corresponding to the c-SRS parameter of the higher layer signaling _SRS,0 Dividing or multiplying the target relative value to obtain an intermediate result, wherein the target relative value is greater than 1;

determining the updated c-SRS parameters according to the intermediate result;

wherein m is _SRS,0 The number of resource blocks RB each node includes in the frequency domain in the 0 layer of the transmission comb is represented.

Alternatively, as an embodiment, the update module may be configured to:

if there is m in the bandwidth configuration table equal to the intermediate result _SRS,0 According to said m _SRS,0 The corresponding c-SRS parameters determine updated c-SRS parameters; or alternatively

If there is no m in the bandwidth allocation table equal to the intermediate result _SRS,0 The first m to be greater or less than the intermediate result _SRS,0 And the corresponding c-SRS parameter is used as the updated c-SRS parameter.

Alternatively, as an embodiment, the update module may be configured to:

if there are a plurality of m in the bandwidth configuration table equal to the intermediate result _SRS,0 A plurality of said m _SRS,0 Corresponding to a plurality of first target c-SRS parameters

Configured according to high-layer signalingM corresponding to the c-SRS parameter _SRS,1 Whether or not m corresponds to a plurality of the first target c-SRS parameters _SRS,0 Equality, to determine the updated c-SRS parameters;

if the m corresponding to the c-SRS parameter of the higher layer signaling configuration _SRS,1 M corresponding to a plurality of second target c-SRS parameters _SRS,0 Equal, m corresponding to the c-SRS parameter configured according to the higher layer signaling _SRS,2 Whether or not m corresponds to a plurality of the second target c-SRS parameters _SRS,1 Equality, to determine the updated c-SRS parameters;

If the m corresponding to the c-SRS parameter of the higher layer signaling configuration _SRS,2 M corresponding to a plurality of third target c-SRS parameters _SRS,1 Equal, m corresponding to the c-SRS parameter configured according to the higher layer signaling _SRS,3 Whether or not m corresponds to a plurality of the third target c-SRS parameters _SRS,2 Equality, to determine the updated c-SRS parameters;

if the m corresponding to the c-SRS parameter of the higher layer signaling configuration _SRS,3 M corresponding to a plurality of fourth target c-SRS parameters _SRS,2 And if the c-SRS parameters are equal, taking the minimum value or the maximum value of the c-SRS parameters of the fourth targets as the updated c-SRS parameters; or taking the minimum value or the maximum value of a plurality of first target c-SRS parameters as the updated c-SRS parameters.

Alternatively, as an embodiment, the update module may be configured to:

obtaining the updated frequency domain offset parameter according to the frequency domain offset parameter and offset configured by the high-layer signaling, wherein the offset is as follows:

or (I)>

Wherein,,

representing a rounding down, a +.>

Representing upward rounding, M is the target relative value, N epsilon {0 to (M-1) }; m is m _SRS,0 Values corresponding to the c-SRS parameters configured for higher layer signaling, m _SRS,0 The number of RBs each node includes in the frequency domain in the 0 layer of the transport comb is represented.

Optionally, as an embodiment, the terminal device 300 further includes an update module, which may be used to:

updating the frequency domain position parameter according to the updated frequency domain offset parameter and the updated c-SRS parameter; or alternatively

Maintaining the frequency domain location parameter unchanged.

updating the c-SRS parameters according to the frequency domain parameter updating signaling; and

and updating the power parameters of the SRS according to the updated c-SRS parameters.

Optionally, as an embodiment, the terminal device 300 further includes an update module and a sending module, where the update module may be used to: updating the frequency domain parameters according to the frequency domain parameter updating signaling; the sending module may be configured to: and sending the SRS according to the updated frequency domain parameters.

Optionally, as an embodiment, the frequency domain parameter includes a validity period.

Optionally, as an embodiment, the receiving module 302 may be further configured to perform at least one of:

Receiving an activation signaling, wherein the activation signaling is used for indicating the terminal equipment to activate the updated frequency domain parameters;

receiving a deactivation signaling, wherein the deactivation signaling is used for indicating the terminal equipment to deactivate the updated frequency domain parameters;

optionally, as an embodiment, the terminal device 300 further includes a sending module, which may be configured to perform one of the following:

transmitting the SRS on an even number of transmission occasions;

transmitting the SRS on an odd number of transmission occasions;

the SRS is transmitted every W transmission opportunities at intervals, W being an integer greater than or equal to 2.

Optionally, as an embodiment, the receiving module 302 may be further configured to:

receiving a high-level configuration signaling, wherein the high-level configuration signaling is used for configuring the frequency domain parameters;

wherein the SRS is a periodic SRS, an aperiodic SRS or a semi-persistent SRS.

Optionally, as an embodiment, the frequency domain parameter update signaling includes one of:

media access control unit MAC CE signaling;

downlink control information, DCI, signaling.

The terminal device 300 according to the embodiment of the present invention may refer to the flow of the method 100 corresponding to the embodiment of the present invention, and each unit/module in the terminal device 300 and the other operations and/or functions described above are respectively for implementing the corresponding flow in the method 100, and can achieve the same or equivalent technical effects, which are not described herein for brevity.

Fig. 4 is a schematic structural diagram of a network device according to an embodiment of the present invention. As depicted in fig. 4, the network device 400 includes:

a sending module 402, configured to send frequency domain parameter update signaling, where the frequency domain parameter update signaling is configured to instruct a terminal device to update frequency domain parameters of an SRS, and the frequency domain parameters include at least one of:

transmitting comb parameters;

frequency domain location parameters;

frequency domain offset parameters;

c-SRS parameters;

b-SRS parameters;

b-hop parameters.

Optionally, as an embodiment, the network device 400 further includes a receiving module, which may be configured to perform one of:

receiving the SRS on even number of transmission occasions;

receiving the SRS on an odd number of transmission occasions;

The network device 400 according to the embodiment of the present invention may refer to the flow of the method 200 corresponding to the embodiment of the present invention, and each unit/module in the network device 400 and the other operations and/or functions described above are respectively for implementing the corresponding flow in the method 200, and can achieve the same or equivalent technical effects, which are not described herein for brevity.

Various embodiments in this specification are described in an incremental manner, and each embodiment is generally described with emphasis on differences from the other embodiments, so that identical and similar parts of the various embodiments are referred to each other. For the device embodiments, the description is relatively simple, as it is substantially similar to the method embodiments, with reference to the partial description of the method embodiments being relevant.

Where an indefinite or definite article is used when referring to a singular noun (e.g. "a", "an", "the"), the singular noun includes a plural of that noun unless something else is specifically stated.

Furthermore, the terms first, second, third and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and that the embodiments of the invention described herein are capable of operation in other sequences than described or illustrated herein.

Fig. 5 is a block diagram of a terminal device according to another embodiment of the present invention. The terminal device 500 shown in fig. 5 includes: at least one processor 501, memory 502, at least one network interface 504, and a user interface 503. The various components in the terminal device 500 are coupled together by a bus system 505. It is understood that bus system 505 is used to enable connected communications between these components. The bus system 505 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various buses are labeled as bus system 505 in fig. 5.

The user interface 503 may include, among other things, a display, a keyboard, a pointing device (e.g., a mouse, a trackball), a touch pad, or a touch screen, etc.

It will be appreciated that the memory 502 in embodiments of the invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). The memory 502 of the systems and methods described in embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.

In some implementations, the memory 502 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof: an operating system 5021 and application programs 5022.

The operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application 5022 includes various application programs such as a Media Player (Media Player), a Browser (Browser), and the like for realizing various application services. A program for implementing the method according to the embodiment of the present invention may be included in the application 5022.

In the embodiment of the present invention, the terminal device 500 further includes: a computer program stored on the memory 502 and executable on the processor 501, which when executed by the processor 501 performs the steps of the method embodiment 100 as follows.

The method disclosed in the above embodiment of the present invention may be applied to the processor 501 or implemented by the processor 501. The processor 501 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuitry in hardware or instructions in software in the processor 501. The processor 501 may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention 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 the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a computer readable storage medium well known in the art such as random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, and the like. The computer readable storage medium is located in a memory 502, and the processor 501 reads information in the memory 502 and, in combination with its hardware, performs the steps of the method described above. In particular, the computer readable storage medium has stored thereon a computer program which, when executed by the processor 501, performs the steps of the method embodiment 100 as described above.

It is to be understood that the embodiments of the invention described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the processing units may be implemented within one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processors (Digital Signal Processing, DSP), digital signal processing devices (DSP devices, DSPD), programmable logic devices (Programmable Logic Device, PLD), field programmable gate arrays (Field-Programmable Gate Array, FPGA), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.

For a software implementation, the techniques described in embodiments of the present invention may be implemented by modules (e.g., procedures, functions, and so on) that perform the functions described in embodiments of the present invention. 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 500 can implement each process implemented by the terminal device in the foregoing embodiment, and can achieve the same or equivalent technical effects, and for avoiding repetition, a detailed description is omitted herein.

Referring to fig. 6, fig. 6 is a block diagram of a network device to which the embodiment of the present invention is applied, which can implement details of the method embodiment 200 and achieve the same effects. As shown in fig. 6, the network device 600 includes: processor 601, transceiver 602, memory 603 and bus interface, wherein:

in an embodiment of the present invention, the network device 600 further includes: computer programs stored on memory 603 and executable on processor 601, which when executed by processor 601 implement the steps of method embodiment 200.

In fig. 6, a bus architecture may comprise any number of interconnected buses and bridges, with various circuits of the one or more processors, represented in particular by processor 601, and the memory, represented in memory 603. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 602 may be a number of elements, i.e., including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium.

The processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 may store data used by the processor 601 in performing operations.

The embodiment of the present invention further provides a computer readable storage medium, on which a computer program is stored, where the computer program when executed by a processor implements each process of any one of the foregoing method embodiments 100 and 200, and the same technical effects can be achieved, and in order to avoid repetition, a detailed description is omitted herein. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims

1. A method for updating frequency domain parameters of SRS, wherein the method is performed by a terminal device, the method comprising:

receiving a frequency domain parameter update signaling, where the frequency domain parameter update signaling is used to instruct the terminal device to update a frequency domain parameter of a sounding reference signal SRS, and the frequency domain parameter includes:

transmitting comb parameters;

frequency domain offset parameters;

bandwidth configuration c-SRS parameters;

the frequency domain parameter update signaling is used for indicating the terminal equipment to update the frequency domain offset parameter and the c-SRS parameter according to a target relative value, and the method further comprises:

updating the transmission comb parameters according to the change of the c-SRS parameters or maintaining the transmission comb parameters unchanged;

the updating the c-SRS parameter according to the target relative value comprises:

configuring the c-SRS parameter or the corresponding c-SRS parameter of the higher layer signaling

Dividing or multiplying the target relative value to obtain an intermediate result, wherein the target relative value is greater than 1;

determining the updated c-SRS parameters according to the intermediate result;

wherein,,

the number of resource blocks RB each node includes in the frequency domain in the 0 layer of the transmission comb is represented.

2. The method of claim 1, wherein the frequency domain parameter update signaling is used to instruct the terminal device to update the frequency domain offset parameter and the c-SRS parameter, the method further comprising:

3. The method of claim 1, wherein the frequency domain parameter update signaling is used to instruct the terminal device to update the c-SRS parameter, the method further comprising:

4. A method according to claim 1 or 2, characterized in that in case of updating the transport comb parameters, the method further comprises:

5. The method of claim 2, wherein the updating the transmission comb parameters based on the change in the c-SRS parameters comprises one of:

6. The method of claim 1, wherein the determining the updated c-SRS parameters based on the intermediate result comprises:

If there is a bandwidth configuration table with the intermediate result equal to

Then according to->

Corresponding c-SRS parameter determining the updated c-SRS parameter; or alternatively

If there is no bandwidth configuration table equal to the intermediate result

The first one, which will be larger or smaller than said intermediate result>

And the corresponding c-SRS parameter is used as the updated c-SRS parameter.

7. The method of claim 6, wherein if there is a bandwidth configuration table equal to the intermediate result

Then according to->

The corresponding c-SRS parameter determining updated c-SRS parameters comprises the following steps:

if there are a plurality of bandwidth configuration tables equal to the intermediate result

A plurality of said->

Corresponding to a plurality of first target c-SRS parameters

Corresponding to the c-SRS parameters configured according to high-layer signaling

Whether or not to correspond to a plurality of said first target c-SRS parameters +.>

Equality, to determine the updated c-SRS parameters;

the c-SRS parameter pair if higher layer signaling is configuredResponsive to

Corresponding to a plurality of second target c-SRS parameters

Equal, corresponding to the c-SRS parameter configured according to the higher layer signaling +.>

Whether or not to correspond to a plurality of said second target c-SRS parameters +. >

Equality, to determine the updated c-SRS parameters;

if the c-SRS parameter of the higher layer signaling configuration corresponds to

Corresponding to a plurality of third target c-SRS parameters

Whether or not to correspond to a plurality of the third target c-SRS parameters>

Equality, to determine the updated c-SRS parameters;

Corresponding to a plurality of fourth target c-SRS parameters

Equality, then taking the minimum value or the maximum value of a plurality of the fourth target c-SRS parameters asThe updated c-SRS parameters; or taking the minimum value or the maximum value of a plurality of first target c-SRS parameters as the updated c-SRS parameters.

8. The method of claim 1, wherein said updating said frequency domain offset parameter based on said target relative value comprises: obtaining the updated frequency domain offset parameter according to the offset and the frequency domain offset parameter configured by the high-layer signaling, wherein the offset is as follows:

the method comprises the steps of carrying out a first treatment on the surface of the Or (I)>

；

Wherein,,

representing a rounding down, a +.>

Represents an upward rounding, M is the target relative value,/->

；/>

The corresponding value of the c-SRS parameter configured for higher layer signaling,/for >

The number of RBs each node includes in the frequency domain in the 0 layer of the transport comb is represented.

9. The method of claim 1, wherein the frequency domain parameters further comprise frequency domain location parameters, the method further comprising:

Maintaining the frequency domain location parameter unchanged.

10. The method of claim 1, wherein the frequency domain parameter update signaling is used to instruct the terminal device to update the c-SRS parameter, the method further comprising:

11. The method according to any one of claims 1 to 10, further comprising:

updating the frequency domain parameters according to the frequency domain parameter updating signaling;

and sending the SRS according to the updated frequency domain parameters.

12. The method of claim 11, wherein the frequency domain parameters comprise a validity period.

13. The method of claim 11, further comprising at least one of:

and receiving a deactivation signaling, wherein the deactivation signaling is used for indicating the terminal equipment to deactivate the updated frequency domain parameters.

14. The method of claim 1, further comprising one of:

transmitting the SRS on an even number of transmission occasions;

transmitting the SRS on an odd number of transmission occasions;

15. The method of claim 1, wherein prior to receiving the frequency domain parameter update signaling, the method further comprises:

wherein the SRS is a periodic SRS, an aperiodic SRS or a semi-persistent SRS.

16. The method of claim 1, wherein the frequency domain parameter update signaling comprises one of:

media access control unit MAC CE signaling;

downlink control information, DCI, signaling.

17. A method for updating frequency domain parameters of SRS, the method being performed by a network device, the method comprising:

Transmitting a frequency domain parameter update signaling, where the frequency domain parameter update signaling is used to instruct a terminal device to update a frequency domain parameter of an SRS, and the frequency domain parameter includes:

transmitting comb parameters;

frequency domain offset parameters;

c-SRS parameters;

the frequency domain parameter updating signaling is used for indicating the terminal equipment to update the frequency domain offset parameter and the c-SRS parameter according to a target relative value;

determining the updated c-SRS parameters according to the intermediate result;

wherein the method comprises the steps of，

18. The method of claim 17, further comprising one of:

receiving the SRS on even number of transmission occasions;

receiving the SRS on an odd number of transmission occasions;

19. A terminal device, comprising:

A receiving module, configured to receive a frequency domain parameter update signaling, where the frequency domain parameter update signaling is configured to instruct the terminal device to update a frequency domain parameter of an SRS, and the frequency domain parameter includes:

transmitting comb parameters;

frequency domain offset parameters;

c-SRS parameters;

the frequency domain parameter update signaling is used for indicating the terminal equipment to update the frequency domain offset parameter and the c-SRS parameter according to a target relative value, and the terminal equipment further comprises an update module for:

the updating module is used for:

determining the updated c-SRS parameters according to the intermediate result;

wherein,,

20. The terminal device of claim 19, wherein the frequency domain parameter update signaling is configured to instruct the terminal device to update the frequency domain offset parameter and the c-SRS parameter, and wherein the terminal device further comprises an update module configured to:

21. The terminal device of claim 19, wherein the frequency domain parameter update signaling is configured to instruct the terminal device to update the c-SRS parameter, and wherein the terminal device further comprises an update module configured to:

22. The terminal device according to claim 19 or 20, wherein the updating module is configured to perform one of:

23. The terminal device of claim 19, wherein the updating module is configured to:

Then according to->

The corresponding c-SRS parameters determine updated c-SRS parameters; or alternatively

If there is no bandwidth configuration table equal to the intermediate result

The first one, which will be larger or smaller than said intermediate result>

And the corresponding c-SRS parameter is used as the updated c-SRS parameter.

24. The terminal device of claim 23, wherein the updating module is configured to:

A plurality of said->

Corresponding to a plurality of first target c-SRS parameters

Equality, to determine the updated c-SRS parameters;

Corresponding to a plurality of second target c-SRS parameters

Whether or not to correspond to a plurality of said second target c-SRS parameters +.>

Equality, to determine the updated c-SRS parameters;

Corresponding to a plurality of third target c-SRS parameters

Equality, to determine the updated c-SRS parameters;

Corresponding to a plurality of fourth target c-SRS parameters

And if the c-SRS parameters are equal, taking the minimum value or the maximum value of the c-SRS parameters of the fourth targets as the updated c-SRS parameters; or taking the minimum value or the maximum value of a plurality of first target c-SRS parameters as the updated c-SRS parameters.

25. The terminal device of claim 19, wherein the frequency domain parameter update signaling is configured to instruct the terminal device to update the c-SRS parameter, and wherein the terminal device further comprises an update module configured to:

26. The terminal device according to any of the claims 19 to 25, further comprising:

the updating module is used for updating the frequency domain parameters according to the frequency domain parameter updating signaling;

and the sending module is used for sending the SRS according to the updated frequency domain parameters.

27. The terminal device of claim 26, wherein the frequency domain parameter comprises a validity period.

28. The terminal device of claim 26, further comprising a receiving module configured to perform at least one of:

29. The terminal device according to claim 19, wherein the terminal device further comprises a receiving module configured to receive higher layer configuration signaling, the higher layer configuration signaling being configured to configure the frequency domain parameters;

wherein the SRS is a periodic SRS, an aperiodic SRS or a semi-persistent SRS.

30. A network device, comprising:

a sending module, configured to send a frequency domain parameter update signaling, where the frequency domain parameter update signaling is used to instruct a terminal device to update a frequency domain parameter of an SRS, and the frequency domain parameter includes:

transmitting comb parameters;

frequency domain offset parameters;

c-SRS parameters;

determining the updated c-SRS parameters according to the intermediate result;

wherein,,

31. A terminal device, comprising: a memory, a processor, and a computer program stored on the memory and executable on the processor, which when executed by the processor, implements the frequency domain parameter updating method of SRS of any one of claims 1 to 16.

32. A network device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, implements the frequency domain parameter updating method of SRS of any one of claims 17 and 18.

33. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the frequency domain parameter updating method of SRS according to any one of claims 1 to 18.