WO2025035993A1 - Srs发送方法、装置、终端、网络侧设备及存储介质 - Google Patents

Srs发送方法、装置、终端、网络侧设备及存储介质 Download PDF

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Publication number
WO2025035993A1
WO2025035993A1 PCT/CN2024/103379 CN2024103379W WO2025035993A1 WO 2025035993 A1 WO2025035993 A1 WO 2025035993A1 CN 2024103379 W CN2024103379 W CN 2024103379W WO 2025035993 A1 WO2025035993 A1 WO 2025035993A1
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Prior art keywords
srs
cyclic shift
hopping
comb
offset
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English (en)
French (fr)
Inventor
石空
黄秋萍
高秋彬
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to an SRS sending method, apparatus, terminal, network-side equipment, and storage medium.
  • SRS sounding reference signal
  • comb offset frequency hopping and/or cyclic shift hopping may cause the SRS with comb offset frequency hopping and/or cyclic shift hopping to collide with the ordinary SRS without comb offset frequency hopping and/or cyclic shift hopping, resulting in reduced SRS transmission performance.
  • the embodiments of the present disclosure provide an SRS sending method, apparatus, terminal, network-side equipment and storage medium, so as to solve the defect in the prior art that SRS transmission performance is reduced due to conflicts in SRS transmission, and improve the SRS transmission performance.
  • an embodiment of the present disclosure provides an SRS sending method, which is applied to a terminal, and the method includes:
  • the SRS using comb offset frequency hopping and/or cyclic shift hopping is transmitted within a subset of the comb offset frequency hopping and/or cyclic shift hopping.
  • the configuration information is specifically used to indicate at least one of the following:
  • the frequency domain resources in the subset of the comb-shaped offset frequency hopping are parts of all frequency domain resources in the OFDM symbol where the SRS is located;
  • the cyclic shift in the cyclic shift hopping subset is a part of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb-shaped offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the total number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift jump includes M code domain resource positions in all the cyclic shifts, where M is an integer greater than 0 and M is less than the number of all the cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions of all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of all the frequency domain resources;
  • the subset of the cyclic shift hop includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the configuration information is indicated by a radio resource control RRC parameter, or the configuration information is indicated by a high-level parameter.
  • sending the SRS within a subset of the comb offset frequency hopping includes:
  • the SRS is sent at the starting position in the frequency domain.
  • the determining, within the subset of the comb offset frequency hopping, the frequency domain starting position at which the terminal sends the SRS when the comb offset frequency hopping is adopted includes:
  • a frequency domain starting position of the SRS is obtained.
  • converting a y-bit binary pseudo-random sequence corresponding to time t in the SRS sequence into a decimal integer to obtain a comb frequency hopping offset includes:
  • the comb frequency hopping offset is calculated based on any of the following items:
  • K TC is the comb value when the SRS resource is mapped in the frequency domain
  • m is the value for calculating the comb frequency hopping offset.
  • obtaining the frequency domain starting position of the SRS based on the configuration information and the comb frequency hopping offset includes:
  • Comb-based offset configuration parameters Calculate the comb offset value of SRS port p i
  • the comb offset value based on the SRS port p i and comb frequency hopping offset Calculate the frequency domain position offset value of SRS port p i include:
  • the frequency domain position offset value of the SRS port p i is calculated or
  • n shift is the preset threshold, is the number of subcarriers per RB
  • K TC is the comb value when SRS resources are mapped in the frequency domain. It is the offset value of SRS positioning. is the number of frequency domain positions that can be occupied by the terminal when comb frequency hopping offset is adopted
  • s( ⁇ ) is configured by a network side device, and s( ⁇ ) is used to indicate the position of the comb frequency hopping offset mapped when the terminal adopts the comb frequency hopping offset.
  • sending the SRS within the subset of the cyclic shift hop includes:
  • the SRS is transmitted at the cyclic shift position.
  • the determining, within the subset of the cyclic shift hopping, a cyclic shift position at which the SRS is sent when the terminal adopts cyclic shift hopping includes:
  • a cyclic shift position of the SRS is obtained.
  • converting a y-bit binary pseudo-random sequence corresponding to time t in the SRS sequence into a decimal integer to obtain a cyclic shift jump offset includes:
  • the cyclic shift jump offset is calculated based on any of the following items:
  • obtaining the cyclic shift position of the SRS based on the configuration information and the cyclic shift jump offset includes:
  • a cyclic shift position of the SRS is determined.
  • the code domain offset value based on the SRS port p i and the cyclic shift jump offset is calculated, including:
  • the number t satisfies:
  • mod(SFN, N) is the current wireless frame number, is the number of slots in a wireless frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols in a radio frame; is the number of the time slot in a radio frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols before the slot occupied by SRS, l 0 is the starting OFDM symbol position of SRS in a slot; l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1], and R means sending the same SRS on R OFDM symbols.
  • the number t satisfies:
  • an embodiment of the present disclosure further provides an SRS sending method, which is applied to a network side device, and the method includes:
  • Configuration information is sent to a terminal, where the configuration information is used by the terminal to determine a subset of comb offset frequency hopping and/or cyclic shift hopping, where the subset of comb offset frequency hopping and/or cyclic shift hopping is dedicated to transmitting an SRS using comb offset frequency hopping and/or cyclic shift hopping.
  • the configuration information is specifically used to indicate at least one of the following:
  • the frequency domain resources in the subset of the comb-shaped offset frequency hopping are parts of all frequency domain resources in the OFDM symbol where the SRS is located;
  • the cyclic shift in the cyclic shift hopping subset is a part of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb-shaped offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the total number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift jump includes M code domain resource positions in all the cyclic shifts, where M is an integer greater than 0 and M is less than the number of all the cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions of all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of all the frequency domain resources;
  • the subset of the cyclic shift hop includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the sending configuration information to the terminal includes:
  • the configuration information is indicated using a radio resource control RRC parameter or a higher layer parameter.
  • an embodiment of the present disclosure further provides a terminal, including a memory, a transceiver, and a processor, wherein:
  • a memory for storing a computer program; a transceiver for controlling the processor Controlling the sending and receiving of data; a processor, used to read the computer program in the memory and implement the steps of the SRS sending method described in the first aspect as described above.
  • an embodiment of the present disclosure further provides a network side device, including a memory, a transceiver, and a processor, wherein:
  • a memory for storing a computer program; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer program in the memory and implementing the steps of the SRS sending method as described in the second aspect above.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the steps of the SRS sending method described in the first aspect as described above.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the steps of the SRS sending method described in the second aspect as described above.
  • the SRS sending method, apparatus, terminal, network-side equipment and storage medium configured by the embodiments of the present disclosure configure a subset of comb offset frequency hopping and/or cyclic shift hopping corresponding to the SRS so that the SRS can only perform comb offset frequency hopping and/or cyclic shift hopping within the subset, and the subset does not include frequency domain/code domain resources that may be occupied by UE/SRS that does not support comb offset frequency hopping and/or cyclic shift hopping, thereby avoiding the collision between the SRS that performs comb offset frequency hopping and/or cyclic shift hopping and the ordinary SRS that does not perform comb offset frequency hopping and/or cyclic shift hopping, thereby improving the SRS transmission performance.
  • FIG1 is a schematic diagram of SRS resource mapping provided by the related art
  • FIG2 is a flow chart of a method for sending an SRS according to an embodiment of the present disclosure
  • FIG3 is a second flow chart of the SRS sending method provided in an embodiment of the present disclosure.
  • FIG4 is a schematic diagram of the structure of a terminal provided by an embodiment of the present disclosure.
  • FIG5 is a schematic diagram of the structure of a network side device provided by an embodiment of the present disclosure.
  • FIG6 is a schematic diagram of a structure of an SRS sending device provided in an embodiment of the present disclosure.
  • FIG. 7 is a second schematic diagram of the structure of the SRS sending device provided in an embodiment of the present disclosure.
  • the term "and/or” describes the association relationship of associated objects, indicating that three relationships may exist.
  • a and/or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" generally indicates that the associated objects before and after are in an "or” relationship.
  • plurality in the embodiments of the present disclosure refers to two or more than two, and other quantifiers are similar thereto.
  • SRS sounding reference signal
  • comb comb number
  • comb offset comb offset
  • FIG1 is a schematic diagram of SRS resource mapping provided by the related art; for example, when comb is equal to 2, the frequency domain resource mapped by the SRS port is a comb structure with an interval of one subcarrier, and there are two mappable comb offsets, such as SRS resource 1 and SRS resource 2 shown in FIG1; when comb is equal to 4, the frequency domain resource mapped by the SRS port is a comb structure with an interval of 3 subcarriers, and there are 4 mappable comb offsets, such as SRS resource 3 shown in FIG1.
  • the comb offsets of different ports of an SRS resource may be different.
  • an SRS resource is configured as comb 2, a part of the ports occupy the frequency domain position where the comb offset is "0", and the other part of the ports are mapped to the frequency domain position where the comb offset is "1".
  • Different SRS ports should try to avoid interference collisions in resource selection. For example, in scenarios where cells are densely populated and the distance between cells is close. When a terminal is at the edge of a cell, it is easily interfered by other cells, so different resources should be allocated to terminals in different cells as much as possible. If the SRS resources of two terminals inevitably conflict, and the SRS resources they occupy remain unchanged, continuous interference will occur over time, which is extremely detrimental to communication quality.
  • an interference randomization method can be introduced, that is, as time changes, the resources occupied by the SRS also change, thereby avoiding continuous interference conflicts.
  • a comb offset hopping scheme can be adopted. That is, an 8-bit binary pseudo-random sequence (the binary pseudo-random sequence is a 31-bit Gold sequence) is used to generate a decimal integer to determine the comb offset. For an SRS port, the comb offset it maps to is a function of time.
  • an SRS resource with a comb of 2 uses comb offset 0 on the first OFDM symbol and pseudo-randomly hops to comb offset 0 or 1 on the second OFDM symbol.
  • the random hopping of comb offset hopping in the frequency domain realizes interference randomization in the frequency domain.
  • a cyclic shift hopping scheme can be used to pseudo-randomly determine the cyclic shift over time. Interference randomization is achieved in the code domain.
  • the embodiments of the present disclosure provide an SRS sending method, apparatus, terminal, network-side equipment, and storage medium to avoid collision between an SRS that performs comb offset frequency hopping and/or cyclic shift hopping and an ordinary SRS that does not perform comb offset frequency hopping and/or cyclic shift hopping, thereby improving SRS transmission performance.
  • the method and the device are based on the same application concept. Since the method and the device solve the problem in a similar principle, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.
  • the applicable systems can be global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new radio (NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD LTE frequency division duplex
  • TDD LTE time division duplex
  • LTE-A long term evolution advanced
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • NR new radio
  • EPS Evolved Packet System
  • 5GS 5G System
  • FIG. 2 is a flowchart of an SRS sending method provided by an embodiment of the present disclosure. As shown in FIG. 2 , the SRS method is applied to a terminal, that is, the execution subject is a terminal; the SRS method includes the following steps:
  • Step 200 receiving configuration information sent by a network side device; determining a subset of comb offset frequency hopping and/or cyclic shift hopping according to the configuration information, wherein the subset of comb offset frequency hopping and/or cyclic shift hopping is dedicated to transmitting an SRS using comb offset frequency hopping and/or cyclic shift hopping;
  • the network side device may include: a base station providing services for the terminal;
  • the network side device can send configuration information to the terminal to configure the comb offset A subset of frequency hopping and/or cyclic shift hopping, so that the terminal determines a subset of comb offset frequency hopping and/or cyclic shift hopping based on the configuration information;
  • a subset of the comb offset frequency hopping is used to limit the value to which the comb offset frequency hopping can jump, and the subset does not include a terminal that does not support the comb offset frequency hopping or frequency domain resources that may be occupied by the SRS;
  • a subset of cyclic shift hopping is used to limit the value that the cyclic shift hopping can jump, and the subset does not include a terminal that does not support cyclic shift hopping or code domain resources that may be occupied by the SRS;
  • Step 210 Send the SRS using comb offset frequency hopping and/or cyclic shift hopping within the subset of comb offset frequency hopping and/or cyclic shift hopping.
  • the terminal may determine a transmission resource of an SRS using comb offset frequency hopping within the subset of comb offset frequency hopping, and then send the SRS;
  • the terminal may determine, within the subset of cyclic shift hopping, a transmission resource of an SRS using cyclic shift hopping, and then send the SRS.
  • some terminals support comb offset hopping/cyclic shift hopping, and some terminals do not support comb offset hopping/cyclic shift hopping and other similar schemes.
  • comb offset hopping and/or cyclic shift hopping may cause the SRS using comb offset hopping and/or cyclic shift hopping to collide with the ordinary SRS using no comb offset hopping and/or cyclic shift hopping.
  • a terminal when a terminal uses comb offset hopping, it may occupy the same frequency domain resources with the terminal that does not use comb offset hopping due to the hopping of frequency resources.
  • the terminals that use comb offset hopping and the terminals that do not use comb offset hopping can be restricted to occupy different resources, that is, the terminals that do not use comb offset hopping occupy a part of the resources, and the terminals that use comb offset hopping occupy the remaining part of the resources (subset of comb offset).
  • the device may configure a subset of comb offset hopping for a terminal or SRS using comb offset hopping, and may limit the values to which the comb offset hopping can jump to within the subset of comb offset hopping, which subset does not include frequency domain resources that may be occupied by terminals or SRS that do not support these hopping schemes.
  • comb 4 if a terminal that does not use comb offset hopping occupies comb offset 0, then a terminal that uses comb offset hopping can only hop on comb offset 1, 2, 3 or a subset of comb offset 1, 2, 3.
  • the specific comb offsets on which frequency hopping can be performed depend on the base station configuration.
  • a terminal when a terminal jumps using cyclic shift hopping, it may occupy the same cyclic shift as a terminal that does not use cyclic shift hopping.
  • the terminals that use cyclic shift hopping and the terminals that do not use cyclic shift hopping can be restricted to occupy different cyclic shifts, that is, the terminals that do not use cyclic shift hopping occupy a part of the cyclic shift, and the terminals that use cyclic shift hopping occupy the remaining part of the cyclic shift (subset of cyclic shift).
  • the network side device can configure a subset of cyclic shift hopping for the terminal or SRS that uses comb offset hopping, and the terminal can limit the value that the cyclic shift hopping can jump to within the subset of cyclic shift hopping, which does not include the code domain resources that may be occupied by the terminals or SRS that do not support these frequency hopping schemes.
  • a terminal that uses cyclic shift hopping can only jump on cyclic shift 2, 3, 4, 5 or a subset of cyclic shift 2, 3, 4, 5.
  • the specific cyclic shifts that can be jumped on depend on the base station configuration.
  • the embodiments of the present disclosure avoid conflicts with legacy terminals (such as ordinary terminals that do not perform comb offset hopping and/or cyclic shift hopping) to achieve resource reuse.
  • the SRS transmission method provided by the embodiment of the present disclosure configures a subset of comb offset frequency hopping and/or cyclic shift hopping corresponding to the SRS so that the SRS can be combed only within the subset.
  • the subset does not include terminals that do not support comb offset frequency hopping and/or cyclic shift hopping or frequency domain/code domain resources that may be occupied by SRS, so as to avoid the collision between SRS with comb offset frequency hopping and/or cyclic shift hopping and ordinary SRS without comb offset frequency hopping and/or cyclic shift hopping, thereby improving SRS transmission performance.
  • the configuration information is specifically used to indicate at least one of the following:
  • the frequency domain resources in the subset of the comb-shaped offset frequency hopping are parts of all frequency domain resources in the orthogonal frequency division multiplexing (OFDM) symbol where the SRS is located;
  • the cyclic shift in the cyclic shift hopping subset is a part of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift jump includes M code domain resource positions in all the cyclic shifts, where M is an integer greater than 0 and M is less than the number of all the cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions in all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift hop includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the configuration information may indicate a comb offset that a terminal using comb offset hopping may occupy;
  • the configuration information may indicate that the frequency domain resources in the subset of comb offset hopping are part of all frequency domain resources in the OFDM symbol where the SRS is located, that is, the comb offset that can be occupied by the terminal using comb offset hopping is fixed to a part of all comb offsets, for example, the number of comb offsets that can be occupied by the terminal using comb offset hopping is fixed to half of the number of all comb offsets, or 1/2 ⁇ a, where a is greater than Or an integer equal to 0 and a is less than half of the number of all comb offsets.
  • the configuration information may indicate that a subset of comb offset hopping includes N frequency domain resource positions in all frequency domain resources, that is, the number of resources occupied by a terminal using comb offset hopping is flexibly configured by the base station, and a terminal using comb offset hopping randomly selects N positions to occupy in the comb offset, and a terminal not using comb offset hopping can occupy the remaining comb offsets.
  • the configuration information may indicate that the subset of comb offset hopping includes the first P frequency domain resource positions in all frequency domain resources, that is, the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, the terminal using comb offset hopping occupies the first P consecutive comb offsets, and the terminal not using comb offset hopping can occupy the remaining comb offsets.
  • the configuration information may indicate the cyclic shifts that a terminal using cyclic shift hopping may occupy;
  • the configuration information may indicate that the cyclic shifts in the subset of cyclic shift hopping are part of all cyclic shifts in the OFDM symbol where the SRS is located, that is, the cyclic shifts that can be occupied by a terminal using cyclic shift hopping are fixed to a part of all cyclic shifts, for example, the number of cyclic shifts that can be occupied by a terminal using cyclic shift hopping is fixed to half of the number of all cyclic shifts, or 1/2 ⁇ b, where b is an integer greater than or equal to 0 and b is less than half of the number of all cyclic shifts.
  • the configuration information may indicate that a subset of cyclic shift hopping includes the first Q code domain resource positions in the cyclic shift, and the number of resources occupied by a terminal using cyclic shift hopping is flexibly configured by the base station.
  • a terminal using cyclic shift hopping occupies the first Q consecutive cyclic shifts, and a terminal not using cyclic shift hopping may occupy the remaining cyclic shifts.
  • the configuration information may indicate that: the subset of cyclic shift hopping includes M code domain resource positions in all cyclic shifts, the number of resources occupied by the terminal using cyclic shift hopping is flexibly configured by the base station, and the terminal using cyclic shift hopping is in cyclic shift M occupancy are randomly selected, and the terminals that do not use cyclic shift hopping can occupy the remaining cyclic shifts.
  • the configuration information is specifically used to indicate one or more of the following:
  • the frequency domain resources in the subset of the comb-type offset frequency hopping are part of all frequency domain resources in the orthogonal frequency division multiplexing (OFDM) symbol where the SRS is located;
  • the cyclic shift in the cyclic shift hopping subset is a portion of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb-type offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the number of frequency domain positions in all the frequency domain resources;
  • the subset of cyclic shift hopping includes M code domain resource positions in all cyclic shifts, where M is an integer greater than 0 and M is less than the number of all cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions in all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift hops includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the configuration information may indicate (a) and (c), or (a) and (e), or (c) and (e), or (a), (c) and (e) at the same time; the terminal may determine a subset of comb offset frequency hopping in combination with the contents of (a) and (c), or (a) and (e), or (c) and (e); or the terminal may select one item from the indicated multiple items to determine a subset of comb offset frequency hopping;
  • the configuration information may indicate (b) and (d), or (b) and (f), or (d) and (f), or (b), (d) and (f) at the same time; the terminal may combine (b) and (d), or (b) and (f), or (d) and (f) to determine the subset of cyclic shift jumps; or, the terminal may select one item from the indicated multiple items to determine the subset of cyclic shift jumps;
  • the configuration information may simultaneously indicate any combination of multiple items in (a)-(f), and the terminal may determine a subset of comb offset frequency hopping and/or a subset of cyclic shift hopping in combination with the contents of the multiple items indicated, or select one or two items from the multiple items indicated to determine a subset of comb offset frequency hopping and/or a subset of cyclic shift hopping, and examples are not given one by one here;
  • the configuration information may indicate the comb offset that can be occupied by a terminal using comb offset hopping and the cyclic shift that can be occupied by a terminal using cyclic shift hopping.
  • the configuration information may indicate: the comb offset that can be occupied by a terminal using comb offset hopping is fixed to a part of all comb offsets, for example, the number of comb offsets that can be occupied by a terminal using comb offset hopping is fixed to half of the number of all comb offsets, or 1/2 ⁇ a, a is an integer greater than or equal to 0 and a is less than half of the number of all comb offsets; and the cyclic shift that can be occupied by a terminal using cyclic shift hopping is fixed to a part of all cyclic shifts, for example, the number of cyclic shift that can be occupied by a terminal using cyclic shift hopping is fixed to half of the number of all cyclic shifts, or 1/2 ⁇ b, b is an integer greater than or equal to 0 and b is less than half of the number of all cyclic shifts.
  • the configuration information may indicate: the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, and the terminal using comb offset hopping randomly selects N resources to occupy in the comb offset; and the cyclic shift that can be occupied by the terminal using cyclic shift hopping is fixed to a part of all cyclic shifts, for example, the number of cyclic shifts that can be occupied by the terminal using cyclic shift hopping is fixed to half of the number of all cyclic shifts, or 1/2 ⁇ b, b is an integer greater than or equal to 0 and b is less than half of the number of all cyclic shifts; the terminal that does not use comb offset hopping and/or cyclic shift hopping can occupy the remaining comb offsets.
  • the configuration information may indicate: the number of resources occupied by a terminal using comb offset hopping is flexibly configured by the base station, and the terminal using comb offset hopping occupies the first P consecutive comb offsets; and the cyclic shift that can be occupied by a terminal using cyclic shift hopping is fixed to a part of all cyclic shifts, for example, the number of cyclic shift that can be occupied by a terminal using cyclic shift hopping is fixed to half of the number of all cyclic shifts, or 1/2 ⁇ b, where b is an integer greater than or equal to 0 and b is less than half of the number of all cyclic shifts; terminals that do not use comb offset hopping and/or cyclic shift hopping can occupy the remaining comb offsets.
  • the configuration information may indicate: the comb offset that can be occupied by a terminal using comb offset hopping is fixed to a part of all comb offsets, for example, the number of comb offsets that can be occupied by a terminal using comb offset hopping is fixed to half of the number of all comb offsets, or 1/2 ⁇ a, where a is an integer greater than or equal to 0 and a is less than half of the number of all comb offsets; and the number of resources occupied by a terminal using cyclic shift hopping is flexibly configured by the base station, and a terminal using cyclic shift hopping occupies the first Q consecutive cyclic shifts; terminals that do not use comb offset hopping and/or cyclic shift hopping can occupy the remaining comb offsets.
  • the configuration information may indicate: the number of resources occupied by terminals using comb offset hopping is flexibly configured by the base station, and the terminals using comb offset hopping randomly select N to occupy in the comb offset; and the number of resources occupied by terminals using cyclic shift hopping is flexibly configured by the base station, and the terminals using cyclic shift hopping occupy the first Q consecutive cyclic shifts; terminals that do not use comb offset hopping and/or cyclic shift hopping may occupy the remaining comb offsets.
  • the configuration information may indicate: the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, and the terminal using comb offset hopping occupies the first P consecutive comb offsets; and the number of resources occupied by the terminal using cyclic shift hopping is flexibly configured by the base station, and the terminal using cyclic shift hopping occupies the first Q consecutive cyclic shifts; comb offset hopping and/or cyclic shift are not used.
  • the hopping terminal can occupy the remaining comb offsets; for example, the subset of cyclic shift hopping is the first 3 of all cyclic shifts, and the subset of comb offset hopping is the first 4 of all frequency domain positions.
  • the configuration information may indicate: the comb offset that can be occupied by a terminal using comb offset hopping is fixed to a part of all comb offsets, for example, the number of comb offsets that can be occupied by a terminal using comb offset hopping is fixed to half of the number of all comb offsets, or 1/2 ⁇ a, where a is an integer greater than or equal to 0 and a is less than half of the number of all comb offsets; and the number of resources occupied by a terminal using cyclic shift hopping is flexibly configured by the base station, and a terminal using cyclic shift hopping randomly selects M resources to occupy in the cyclic shift; terminals that do not use comb offset hopping and/or cyclic shift hopping can occupy the remaining comb offsets.
  • the configuration information may indicate: the number of resources occupied by terminals using comb offset hopping is flexibly configured by the base station, and the terminals using comb offset hopping randomly select N resources to occupy in the comb offset; and the number of resources occupied by terminals using cyclic shift hopping is flexibly configured by the base station, and the terminals using cyclic shift hopping randomly select M resources to occupy in the cyclic shift; terminals that do not use comb offset hopping and/or cyclic shift hopping may occupy the remaining comb offset.
  • the configuration information may indicate: the number of resources occupied by a terminal using comb offset hopping is flexibly configured by the base station, and the terminal using comb offset hopping occupies the first P consecutive comb offsets; and the number of resources occupied by a terminal using cyclic shift hopping is flexibly configured by the base station, and the terminal using cyclic shift hopping randomly selects M resources to occupy in the cyclic shift; a terminal not using comb offset hopping and/or cyclic shift hopping may occupy the remaining comb offsets.
  • the configuration information is indicated by a Radio Resource Control (RRC) parameter, or the configuration information is indicated by a high-level parameter;
  • RRC Radio Resource Control
  • the method further comprises:
  • the configuration information may be indicated by a radio resource control RRC parameter, or the configuration information may be indicated by a high-level parameter; wherein, when the configuration information is indicated by an RRC parameter, a subset of comb offset frequency hopping and/or cyclic shift hopping is configured by an RRC parameter, and the comb offset configuration parameter Or cyclic shift configuration parameters Indicated by a high-level parameter; or, when the configuration information is indicated by a high-level parameter, a subset of comb offset frequency hopping and/or cyclic shift hopping is configured by a high-level parameter. Since the high-level parameter also needs to indicate the comb offset configuration parameter Or cyclic shift configuration parameters Therefore, the comb offset configuration parameter Or cyclic shift configuration parameters and a subset of comb offset frequency hopping and/or cyclic shift hopping;
  • high-level parameters can indicate comb offset configuration parameters and simultaneously configure a subset of comb offset frequency hopping
  • the high-level parameters may indicate the cyclic shift configuration parameters and simultaneously configuring a subset of cyclic shift hopping;
  • high-level parameters can indicate comb offset configuration parameters Cyclic shift configuration parameters A subset of comb offset frequency hopping and a subset of cyclic shift hopping are configured at the same time.
  • the network side device can use a new RRC parameter to configure a subset of comb offset hopping, and the RRC parameter uses one or more decimal integers to specify the comb offset values that can be occupied by a terminal using comb offset hopping.
  • the network side device can use high-level parameters
  • the combOffset in transmissionComb is explicitly configured.
  • the combOffset is indicated by multiple decimal integers, where the first decimal integer value can be used to specify The following set of decimal integers can indicate the comb offsets that can be occupied by the terminal using comb offset hopping.
  • the network side device may use a new RRC parameter configuration subset, where the RRC parameter uses one or more integers to specify the cyclic shift values that a terminal using cyclic shift hopping may occupy.
  • the network side device can be explicitly configured using the cyclicShift in the high-level parameter transmissionComb.
  • CyclicShift uses multiple integers, and the first integer value specifies The following set of integers indicates the cyclic shift values that can be occupied by the terminal using cyclic shift hopping.
  • sending the SRS within a subset of the comb offset frequency hopping includes:
  • the SRS is sent at the starting position in the frequency domain.
  • the terminal determines the subset of comb offset frequency hopping based on the configuration information, it can be determined that the SRS can hop within the subset of comb offset frequency hopping; then based on the comb offset configuration parameter Determine the comb frequency hopping offset of the SRS using the comb frequency hopping offset, and then determine the frequency domain starting position for sending the SRS within the comb frequency hopping offset subset based on the comb frequency hopping offset; and send the SRS at the frequency domain starting position.
  • the comb offset configuration parameters It can be determined based on the indication of high-level parameters, or based on protocol pre-definition.
  • the determining, within the subset of the comb offset frequency hopping, a frequency domain starting position at which the terminal sends the SRS when the comb offset frequency hopping is adopted includes:
  • a frequency domain starting position of the SRS is obtained.
  • the number t of the OFDM symbol where the SRS is located in multiple wireless frames can be first determined, and then the y-bit binary pseudo-random sequence corresponding to the time t in the sequence of the SRS is converted into a decimal integer to obtain the comb frequency hopping offset; and then based on The frequency domain starting position of SRS is obtained by comb frequency hopping offset calculation;
  • the 8-bit binary pseudo-random sequence c(i) corresponding to the time t in the SRS sequence is converted into a decimal integer to indicate the comb offset value that can be jumped to at OFDM symbol t’, so as to determine the frequency domain position occupied by SRS at OFDM symbol t’.
  • converting a y-bit binary pseudo-random sequence corresponding to time t in the SRS sequence into a decimal integer to obtain a comb frequency hopping offset includes:
  • the comb frequency hopping offset is calculated:
  • K TC is the comb value when the SRS resource is mapped in the frequency domain
  • m is the value for calculating the comb frequency hopping offset.
  • the terminal can calculate the comb frequency hopping offset of the current OFDM symbol t
  • the terminal can use or not use comb offset hopping based on SRS, using different determined comb frequency hopping offsets. way;
  • the comb frequency hopping offset can be calculated using the following formula (4):
  • the comb frequency hopping offset can be calculated using the following formula (5):
  • the comb frequency hopping offset can be calculated using the following formula (6):
  • the comb frequency hopping offset can be calculated using the following formula:
  • t is the number t of the OFDM symbol where the SRS is located in multiple radio frames
  • mod(SFN, N) is the current wireless frame number, is the number of slots in a wireless frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols in a radio frame. is the number of the time slot in a radio frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols before the slot occupied by SRS, l 0 is the starting OFDM symbol position of SRS in a slot. l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1], and R means sending the same SRS on R OFDM symbols.
  • obtaining a frequency domain starting position of the SRS based on the configuration information and the comb frequency hopping offset includes:
  • Comb-based offset configuration parameters Calculate the comb offset value of the SRS port px
  • the base station sets the transmissionComb parameter
  • the combOffset configuration in the SRS port p i corresponds to the comb offset configuration parameter
  • the comb offset configuration parameters corresponding to the SRS port pi can be
  • the comb offset value of SRS port p i is calculated using the following formula (7):
  • the comb offset value of the SRS port pi can be and comb frequency hopping offset Calculate the frequency domain position offset value of SRS port p i Finally, based on the frequency domain position offset value The frequency domain starting position of the SRS is calculated.
  • the frequency domain starting position of the SRS can be calculated using the following formula (8):
  • the comb offset value based on the SRS port p i and comb frequency hopping offset Calculate the frequency domain position offset value of SRS port p i include:
  • the frequency domain position offset value of the SRS port p i is calculated:
  • n shift is the preset threshold, is the number of subcarriers per RB
  • K TC is the comb value when SRS resources are mapped in the frequency domain. It is the offset value of SRS positioning. is the number of frequency domain positions that can be occupied by the terminal when comb frequency hopping offset is adopted
  • s( ⁇ ) is configured by a network side device, and s( ⁇ ) is used to indicate the position of the comb frequency hopping offset mapped when the terminal adopts the comb frequency hopping offset.
  • n shift is a threshold. is the number of subcarriers per RB. is the frequency domain offset value of the SRS port p i , which is used to ensure the orthogonality between different ports. It is the comb offset value when using comb offset hopping. This is the offset value for SRS positioning.
  • SRS sent is used for positioning, The value of can be determined based on relevant technologies or protocols.
  • the transmitted SRS is not used for positioning, is the number of comb offsets that a terminal using comb offset hopping can occupy,
  • s( ⁇ ) is configured by the network side device, and s( ⁇ ) is used to indicate the position of the comb frequency hopping offset mapped when the terminal adopts the comb frequency hopping offset; for example, s(x) is adopted
  • the terminal of comb offset hopping can be mapped to the position of comb offset, s(x) and x are mapped one by one.
  • the network side device uses the RRC parameter combSubset to indicate the comb offset that a terminal using comb offset hopping can occupy.
  • the number of resources that a terminal using comb offset hopping can occupy is and The first value in the comb offset is mapped to comb offset 2, and the second value is mapped to comb offset 3.
  • This mapping relationship is represented by s( ⁇ ) in the formula.
  • Terminals using comb offset hopping are mapped to comb offset s(x).
  • the sending the SRS within the subset of the cyclic shift hop includes:
  • the SRS is transmitted at the cyclic shift position.
  • the terminal determines the subset of cyclic shift hopping based on the configuration information, it can determine that the SRS can hop within the subset of cyclic shift hopping; then based on the cyclic shift configuration parameter A cyclic shift hopping offset of an SRS using cyclic shift hopping is determined, and then based on the cyclic shift hopping offset, a cyclic shift position for sending the SRS is determined within a subset of the cyclic shift hopping; and the SRS is sent at the cyclic shift position.
  • the cyclic shift configuration parameters It can be determined based on the indication of high-level parameters, or based on protocol pre-definition.
  • the determining, within the subset of the cyclic shift hopping, a cyclic shift position at which the terminal sends the SRS when cyclic shift hopping is adopted includes:
  • the SRS is obtained. Circular shift position.
  • the number t of the OFDM symbol where the SRS is located in multiple radio frames can be first determined, and then the y-bit binary pseudo-random sequence corresponding to time t in the sequence of the SRS is converted into a decimal integer to obtain a cyclic shift hopping offset; and then the cyclic shift position of the SRS is calculated based on the cyclic shift hopping offset;
  • the 8-bit binary pseudo-random sequence c(i) corresponding to time t in the SRS sequence is converted into a decimal integer to determine the cyclic shift value that the current OFDM symbol can jump to, so as to determine the cyclic shift position occupied by the SRS at OFDM symbol t’.
  • converting a y-bit binary pseudo-random sequence corresponding to time t in the SRS sequence into a decimal integer to obtain a cyclic shift jump offset includes:
  • the terminal can calculate the cyclic shift jump deviation of the current OFDM symbol t. shift
  • the terminal may adopt or not adopt cyclic shift hopping based on SRS, and adopt different cyclic shift hopping offsets. way;
  • the cyclic shift hopping offset can be calculated using the following formula (16):
  • the cyclic shift hopping offset can be calculated using the following formula (17):
  • the cyclic shift hopping offset can be calculated using the following formula (18):
  • the cyclic shift jump offset can be calculated using the following formula:
  • t is the number t of the OFDM symbol where the SRS is located in multiple wireless frames
  • mod(SFN, N) is the current wireless frame number
  • is the number of the time slot in a radio frame is the number of OFDM symbols in a slot
  • l 0 is the starting OFDM symbol position of SRS in a slot
  • l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1].
  • obtaining the cyclic shift position of the SRS based on the configuration information and the cyclic shift jump offset includes:
  • a cyclic shift position of the SRS is determined.
  • the base station configures the cyclic shift configuration parameter corresponding to the SRS port p i according to the cyclicShift in the parameter transmissionComb: Then the cyclic shift configuration parameters corresponding to the SRS port pi can be
  • the code domain offset value of SRS port p i is calculated using the following formula (19):
  • the code domain offset value of the SRS port p i can be and cyclic shift jump offset
  • the S cyclic shift ⁇ i is calculated and finally the cyclic shift ⁇ i is used as the cyclic shift position of the SRS, and the SRS is sent.
  • the cyclic shift position is cyclic shift ⁇ i .
  • the code domain offset value based on the SRS port p i and the cyclic shift jump offset The cyclic shift ⁇ i is calculated, including:
  • the cyclic shift ⁇ i can be calculated using the following formula (22):
  • the cyclic shift ⁇ i can be calculated using the following formula (23):
  • cyclic shift value is the code domain offset value of SRS port p i , which is used to ensure orthogonality between different ports.
  • cyclic shift value when cyclic shift hopping is used. is the number of cyclic shifts that a terminal using cyclic shift hopping can occupy,
  • s( ⁇ ) is configured by the network side device, and s( ⁇ ) is used to indicate the position of the cyclic shift hopping mapped when the terminal adopts cyclic shift hopping; for example, s(x) is configured by the base station, and is the position of the cyclic shift that the terminal adopting cyclic shift hopping can map to, and s(x) is mapped one by one to x.
  • the base station uses the RRC parameter cyclicShift to indicate the cyclic shift that a terminal using cyclic shift hopping can occupy.
  • the number of resources that the terminal using cyclic shift hopping can occupy is and The first value in the cyclic shift is mapped to cyclic shift 2, the second value is mapped to cyclic shift 3, the third value is mapped to cyclic shift 4, and the fourth value is mapped to cyclic shift 5.
  • This mapping relationship is represented by s( ⁇ ) in the formula.
  • Terminals that use cyclic shift hopping are mapped to cyclic shifts(x).
  • the number t satisfies:
  • mod(SFN, N) is the current wireless frame number, is the number of slots in a wireless frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols in a radio frame; is the number of the time slot in a radio frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols before the slot occupied by SRS, l 0 is the starting OFDM symbol position of SRS in a slot; l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1], and R means sending the same SRS on R OFDM symbols.
  • the number t satisfies:
  • mod(SFN, N) is the current wireless frame number, is the number of slots in a wireless frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols in a radio frame; is the number of the time slot in a radio frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols before the slot occupied by SRS, l 0 is the starting OFDM symbol position of SRS in a slot; l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1].
  • FIG. 3 is a second flow chart of the SRS sending method provided by an embodiment of the present disclosure.
  • the SRS method is applied to a network side device, that is, the execution subject is a network side device, such as a base station; the SRS method includes the following steps:
  • Step 300 sending configuration information to the terminal, wherein the configuration information is used by the terminal to determine a subset of comb offset hopping and/or cyclic shift hopping, and the subset of comb offset hopping and/or cyclic shift hopping is dedicated to transmitting SRS using comb offset hopping and/or cyclic shift hopping.
  • the network side device may send configuration information to the terminal to configure a subset of comb offset frequency hopping and/or cyclic shift hopping, so that the terminal determines the subset of comb offset frequency hopping and/or cyclic shift hopping based on the configuration information;
  • a subset of the comb offset frequency hopping is used to limit the value to which the comb offset frequency hopping can jump, and the subset does not include a terminal that does not support the comb offset frequency hopping or frequency domain resources that may be occupied by the SRS;
  • a subset of cyclic shift hopping is used to limit the value that the cyclic shift hopping can jump, and the subset does not include a terminal that does not support cyclic shift hopping or code domain resources that may be occupied by the SRS;
  • the terminal may determine a transmission resource of an SRS using comb offset frequency hopping within the subset of comb offset frequency hopping, and then send the SRS;
  • the terminal can determine the transmission resources of the SRS using cyclic shift hopping within the subset of cyclic shift hopping, and then send the SRS.
  • some terminals support comb offset hopping/cyclic shift hopping, and some terminals do not support comb offset hopping/cyclic shift hopping and other similar schemes.
  • comb offset hopping and/or cyclic shift hopping may cause the SRS using comb offset hopping and/or cyclic shift hopping to collide with the ordinary SRS that does not use comb offset hopping and/or cyclic shift hopping; for example, when the terminal uses comb offset hopping to hop, it may occupy the same frequency domain resources as the terminal that does not use comb offset hopping due to the hopping of frequency resources.
  • the network side device can limit the terminals that use comb offset hopping and the terminals that do not use comb offset hopping to occupy different resources, that is, the terminals that do not use comb offset hopping occupy a part of the resources, and the terminals that use comb offset hopping occupy the remaining part of the resources (subset of comb offset). That is, the network side device can configure a subset of comb offset hopping for the terminals or SRS that use comb offset hopping, and can limit the value that the comb offset hopping can jump to within the comb offset. In the frequency hopping subset, the subset does not include frequency domain resources that may be occupied by terminals or SRS that do not support these frequency hopping schemes.
  • comb 4 if a terminal that does not use comb offset hopping occupies comb offset 0, then a terminal that uses comb offset hopping can only hop on comb offset 1, 2, 3 or a subset of comb offset 1, 2, 3.
  • the specific comb offsets on which frequency hopping can be performed depend on the network side device configuration.
  • a terminal when a terminal jumps using cyclic shift hopping, it may occupy the same cyclic shift as a terminal that does not use cyclic shift hopping.
  • the terminals that use cyclic shift hopping and the terminals that do not use cyclic shift hopping can be restricted to occupy different cyclic shifts, that is, the terminals that do not use cyclic shift hopping occupy a part of the cyclic shift, and the terminals that use cyclic shift hopping occupy the remaining part of the cyclic shift (subset of cyclic shift).
  • the network side device can configure a subset of cyclic shift hopping for the terminal or SRS that uses comb offset hopping, and the terminal can limit the value that the cyclic shift hopping can jump to within the subset of cyclic shift hopping, which does not include the code domain resources that may be occupied by the terminals or SRS that do not support these frequency hopping schemes.
  • a terminal that uses cyclic shift hopping can only jump on cyclic shift 2, 3, 4, 5 or a subset of cyclic shift 2, 3, 4, 5.
  • the specific cyclic shifts that can be jumped on depend on the base station configuration.
  • the disclosed embodiments avoid conflicts with legacy terminals and achieve resource reuse.
  • the SRS transmission method provided by the embodiment of the present disclosure configures a subset of comb offset frequency hopping and/or cyclic shift hopping corresponding to the SRS so that the SRS can only perform comb offset frequency hopping and/or cyclic shift hopping within the subset, and the subset does not include a terminal that does not support comb offset frequency hopping and/or cyclic shift hopping or a frequency domain/code domain resource that may be occupied by the SRS, that is, the SRS that avoids comb offset frequency hopping and/or cyclic shift hopping is separated from the SRS that does not perform comb offset frequency hopping and/or cyclic shift hopping.
  • the common SRS with frequency and/or cyclic shift hopping collides with each other, thereby improving the SRS transmission performance.
  • the configuration information is specifically used to indicate at least one of the following:
  • the frequency domain resources in the subset of the comb-shaped offset frequency hopping are parts of all frequency domain resources in the OFDM symbol where the SRS is located;
  • the cyclic shift in the cyclic shift hopping subset is a part of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb-shaped offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the total number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift jump includes M code domain resource positions in all the cyclic shifts, where M is an integer greater than 0 and M is less than the number of all the cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions of all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of all the frequency domain resources;
  • the subset of the cyclic shift hop includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the configuration information may indicate a comb offset that a terminal using comb offset hopping may occupy;
  • the configuration information may indicate that the frequency domain resources in the subset of comb offset hopping are part of all frequency domain resources in the OFDM symbol where the SRS is located, that is, the comb offset that can be occupied by a terminal using comb offset hopping is fixed to a part of all comb offsets.
  • the number of comb offsets that can be occupied by a terminal using comb offset hopping is fixed to half of the number of all comb offsets, or 1/2 ⁇ a, where a is an integer greater than or equal to 0 and a is less than half of the number of all comb offsets.
  • the configuration information may indicate that the subset of comb offset hopping includes N frequency domain resource positions in all frequency domain resources, that is, the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, and the terminal using comb offset hopping randomly selects N positions to occupy in the comb offset, and the terminal not using comb offset hopping can Occupies the remaining comb offset.
  • the configuration information may indicate that the subset of comb offset hopping includes the first P frequency domain resource positions in all frequency domain resources, that is, the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, the terminal using comb offset hopping occupies the first P consecutive comb offsets, and the terminal not using comb offset hopping can occupy the remaining comb offsets.
  • the configuration information may indicate the cyclic shifts that a terminal using cyclic shift hopping may occupy;
  • the configuration information may indicate that the cyclic shifts in the subset of cyclic shift hopping are part of all cyclic shifts in the OFDM symbol where the SRS is located, that is, the cyclic shifts that can be occupied by a terminal using cyclic shift hopping are fixed to a part of all cyclic shifts, for example, the number of cyclic shifts that can be occupied by a terminal using cyclic shift hopping is fixed to half of the number of all cyclic shifts, or 1/2 ⁇ b, where b is an integer greater than or equal to 0 and b is less than half of the number of all cyclic shifts.
  • the configuration information may indicate that a subset of cyclic shift hopping includes the first Q code domain resource positions in the cyclic shift, and the number of resources occupied by a terminal using cyclic shift hopping is flexibly configured by the base station.
  • a terminal using cyclic shift hopping occupies the first Q consecutive cyclic shifts, and a terminal not using cyclic shift hopping may occupy the remaining cyclic shifts.
  • the configuration information may indicate that a subset of cyclic shift hopping includes M code domain resource positions in all cyclic shifts, the number of resources occupied by a terminal using cyclic shift hopping is flexibly configured by the base station, a terminal using cyclic shift hopping randomly selects M positions to occupy in the cyclic shift, and a terminal not using cyclic shift hopping may occupy the remaining cyclic shifts.
  • the configuration information is specifically used to indicate one or more of the following:
  • the frequency domain resources in the subset of the comb-type offset frequency hopping are the orthogonal frequency division multiplexing (OFDM) where the SRS is located. The portion of all frequency domain resources in a symbol;
  • the cyclic shift in the cyclic shift hopping subset is a portion of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb-type offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the number of frequency domain positions in all the frequency domain resources;
  • the subset of cyclic shift hopping includes M code domain resource positions in all cyclic shifts, where M is an integer greater than 0 and M is less than the number of all cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions in all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift hops includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the configuration information may indicate (a) and (c), or (a) and (e), or (c) and (e), or (a), (c) and (e) at the same time; the terminal may determine a subset of comb offset frequency hopping in combination with the contents of (a) and (c), or (a) and (e), or (c) and (e); or the terminal may select one item from the indicated multiple items to determine a subset of comb offset frequency hopping;
  • the configuration information may indicate (b) and (d), or (b) and (f), or (d) and (f), or (b), (d) and (f) at the same time; the terminal may determine the subset of cyclic shift hopping in combination with the contents of (b) and (d), or (b) and (f), or (d) and (f); or the terminal may select one item from the indicated multiple items to determine the subset of cyclic shift hopping;
  • the configuration information may indicate any combination of multiple items in (a)-(f) at the same time, and the terminal may determine the subset and/or the comb offset frequency hopping based on the contents of the multiple items indicated. or a subset of cyclic shift jumps, or selecting one or two items from the indicated multiple items to determine a subset of comb offset frequency hopping and/or a subset of cyclic shift jumps, which will not be listed one by one here;
  • the configuration information may indicate the comb offset that can be occupied by a terminal using comb offset hopping and the cyclic shift that can be occupied by a terminal using cyclic shift hopping.
  • the configuration information may indicate: the comb offset that can be occupied by a terminal using comb offset hopping is fixed to a part of all comb offsets, for example, the number of comb offsets that can be occupied by a terminal using comb offset hopping is fixed to half of the number of all comb offsets, or 1/2 ⁇ a, a is an integer greater than or equal to 0 and a is less than half of the number of all comb offsets; and the cyclic shift that can be occupied by a terminal using cyclic shift hopping is fixed to a part of all cyclic shifts, for example, the number of cyclic shift that can be occupied by a terminal using cyclic shift hopping is fixed to half of the number of all cyclic shifts, or 1/2 ⁇ b, b is an integer greater than or equal to 0 and b is less than half of the number of all cyclic shifts.
  • the configuration information may indicate: the number of resources occupied by a terminal using comb offset hopping is flexibly configured by the base station, and the terminal using comb offset hopping randomly selects N resources to occupy in the comb offset; and the cyclic shift that can be occupied by a terminal using cyclic shift hopping is fixed to a part of all cyclic shifts, for example, the number of cyclic shift that can be occupied by a terminal using cyclic shift hopping is fixed to half of the number of all cyclic shifts, or 1/2 ⁇ b, where b is an integer greater than or equal to 0 and b is less than half of the number of all cyclic shifts; terminals that do not use comb offset hopping and/or cyclic shift hopping can occupy the remaining comb offset.
  • the configuration information may indicate that: the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, and the terminal using comb offset hopping occupies the first P consecutive comb offsets; and the cyclic shift that can be occupied by the terminal using cyclic shift hopping is fixed to a part of all cyclic shifts, for example, the number of cyclic shifts that can be occupied by the terminal using cyclic shift hopping is fixed to all cyclic shifts.
  • the configuration information may indicate: the comb offset that can be occupied by a terminal using comb offset hopping is fixed to a part of all comb offsets, for example, the number of comb offsets that can be occupied by a terminal using comb offset hopping is fixed to half of the number of all comb offsets, or 1/2 ⁇ a, where a is an integer greater than or equal to 0 and a is less than half of the number of all comb offsets; and the number of resources occupied by a terminal using cyclic shift hopping is flexibly configured by the base station, and a terminal using cyclic shift hopping occupies the first Q consecutive cyclic shifts; terminals that do not use comb offset hopping and/or cyclic shift hopping can occupy the remaining comb offsets.
  • the configuration information may indicate: the number of resources occupied by terminals using comb offset hopping is flexibly configured by the base station, and the terminals using comb offset hopping randomly select N to occupy in the comb offset; and the number of resources occupied by terminals using cyclic shift hopping is flexibly configured by the base station, and the terminals using cyclic shift hopping occupy the first Q consecutive cyclic shifts; terminals that do not use comb offset hopping and/or cyclic shift hopping may occupy the remaining comb offsets.
  • the configuration information may indicate: the number of resources occupied by terminals using comb offset hopping is flexibly configured by the base station, and the terminals using comb offset hopping occupy the first P consecutive comb offsets; and the number of resources occupied by terminals using cyclic shift hopping is flexibly configured by the base station, and the terminals using cyclic shift hopping occupy the first Q consecutive cyclic shifts; terminals that do not use comb offset hopping and/or cyclic shift hopping may occupy the remaining comb offsets.
  • the configuration information may indicate that the comb offset that can be occupied by the terminal using comb offset hopping is fixed to a portion of all comb offsets, for example, the number of comb offsets that can be occupied by the terminal using comb offset hopping is fixed to half of the number of all comb offsets, or 1/2 ⁇ a, where a is an integer greater than or equal to 0 and a is less than
  • the number of resources occupied by the terminal using cyclic shift hopping is flexibly configured by the base station, and the terminal using cyclic shift hopping randomly selects M to occupy in the cyclic shift; the terminal not using comb offset hopping and/or cyclic shift hopping can occupy the remaining comb offset.
  • the configuration information may indicate: the number of resources occupied by terminals using comb offset hopping is flexibly configured by the base station, and the terminals using comb offset hopping randomly select N resources to occupy in the comb offset; and the number of resources occupied by terminals using cyclic shift hopping is flexibly configured by the base station, and the terminals using cyclic shift hopping randomly select M resources to occupy in the cyclic shift; terminals that do not use comb offset hopping and/or cyclic shift hopping may occupy the remaining comb offset.
  • the configuration information may indicate: the number of resources occupied by terminals using comb offset hopping is flexibly configured by the base station, and the terminals using comb offset hopping occupy the first P consecutive comb offsets; and the number of resources occupied by terminals using cyclic shift hopping is flexibly configured by the base station, and the terminals using cyclic shift hopping randomly select M resources to occupy in the cyclic shift; terminals that do not use comb offset hopping and/or cyclic shift hopping may occupy the remaining comb offsets.
  • sending configuration information to the terminal includes:
  • the configuration information is indicated using a radio resource control RRC parameter or a higher layer parameter.
  • the configuration information may be indicated by a radio resource control RRC parameter, or the configuration information may be indicated by a high-level parameter; wherein, when the configuration information is indicated by an RRC parameter, a subset of comb offset frequency hopping and/or cyclic shift hopping is configured by an RRC parameter, and the comb offset configuration parameter Or cyclic shift configuration parameters Indicated by a high-level parameter; or, when the configuration information is indicated by a high-level parameter, a subset of comb offset frequency hopping and/or cyclic shift hopping is configured by a high-level parameter. Since the high-level parameter also needs to indicate the comb offset configuration parameter Or cyclic shift configuration parameters Therefore, the comb offset configuration parameter Or cyclic shift configuration parameters and a subset of comb offset frequency hopping and/or cyclic shift hopping;
  • high-level parameters can indicate comb offset configuration parameters and simultaneously configure a subset of comb offset frequency hopping
  • the high-level parameters may indicate the cyclic shift configuration parameters and simultaneously configuring a subset of cyclic shift hopping;
  • high-level parameters can indicate comb offset configuration parameters Cyclic shift configuration parameters A subset of comb offset frequency hopping and a subset of cyclic shift hopping are configured at the same time.
  • the network side device can use a new RRC parameter to configure a subset of comb offset hopping, and the RRC parameter uses one or more integers to specify the comb offset value that a terminal using comb offset hopping can occupy.
  • the network side device can use the combOffset in the high-level parameter transmissionComb to explicitly configure the combOffset.
  • the combOffset uses multiple integers.
  • the first integer value specifies The following set of integers indicates the comb offsets that can be occupied by the terminal using comb offset hopping.
  • the network side device can use a new RRC parameter configuration subset, and the RRC parameter uses one or more integers to specify the cyclic shift values that can be occupied by a terminal using cyclic shift hopping.
  • the network side device can be explicitly configured using the cyclicShift in the high-level parameter transmissionComb.
  • CyclicShift uses multiple integers, and the first integer value specifies The following set of integers indicates the cyclic shift values that can be occupied by the terminal using cyclic shift hopping.
  • the SRS transmission method provided by the embodiment of the present disclosure configures a subset of comb offset frequency hopping and/or cyclic shift hopping corresponding to the SRS so that the SRS can only perform comb offset frequency hopping and/or cyclic shift hopping within the subset, and the subset does not include a terminal that does not support comb offset frequency hopping and/or cyclic shift hopping or a frequency domain/code domain resource that may be occupied by the SRS, that is, the SRS that avoids comb offset frequency hopping and/or cyclic shift hopping is separated from the SRS that does not perform comb offset frequency hopping and/or cyclic shift hopping.
  • the common SRS with frequency and/or cyclic shift hopping collides with each other, thereby improving the SRS transmission performance.
  • the frequency domain resource mapping of the SRS port of the terminal is comb4, that is, a frequency domain structure with an interval of 3 subcarriers, and there are 4 mappable comb offsets, namely comb offset 0, 1, 2, and 3.
  • the process of the terminal sending SRS includes the following steps:
  • Step 1a The base station configures a subset of comb-type offset frequency hopping for the terminal.
  • the terminal receives the configuration information and determines the subset of comb-type offset frequency hopping.
  • the configuration information is indicated by a radio resource control (RRC) parameter for configuring a subset of comb offset hopping, where the RRC parameter uses one or more integers to specify the comb offset values that a terminal using comb offset hopping can occupy.
  • RRC radio resource control
  • the configuration information may be configured as follows: the number of comb offsets that can be occupied by a terminal using comb offset hopping is fixed to half of the number of all comb offsets, that is, the number of comb offsets that can be occupied by a terminal using comb offset hopping can only be 2.
  • the configuration information can be configured: the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, the terminal using comb offset hopping occupies the first few consecutive comb offsets, and the terminal not using comb offset hopping can occupy the remaining comb offsets.
  • a terminal that uses comb offset hopping occupies comb offset 0
  • a terminal that does not use comb offset hopping occupies comb offset 1, 2, and 3.
  • the configuration information may be configured: the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, the terminal using comb offset hopping randomly selects several resources to occupy in the comb offset, and the terminal not using comb offset hopping may occupy the remaining comb offsets.
  • the RRC parameter configuration uses comb offset hopping and the terminal occupies comb offset 1, while the terminal not using comb offset hopping occupies comb offset 0, 2, and 3.
  • the comb offset that a terminal using comb offset hopping can occupy is explicitly configured by the combOffset in the high-level parameter transmissionComb.
  • combOffset uses multiple integers, with the first integer value specifying The following set of integers indicates the comb offset values that can be occupied by the terminal using comb offset hopping.
  • the terminal using comb offset hopping can only hop in comb offset 2 to 3.
  • the number of resources that the terminal using comb offset hopping can occupy is and
  • the first value in the comb offset is mapped to comb offset 2, and the second value is mapped to comb offset 3.
  • the configuration information can be configured as follows: the number of comb offsets that can be occupied by a terminal using comb offset hopping is fixed to half of the number of all comb offsets, that is, the number of comb offsets that can be occupied by a terminal using comb offset hopping can only be 2.
  • the configuration information can be configured: the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, the terminal using comb offset hopping occupies the first few consecutive comb offsets, and the terminal not using comb offset hopping can occupy the remaining comb offsets.
  • a terminal that uses comb offset hopping occupies comb offset 0
  • a terminal that does not use comb offset hopping occupies comb offset 1, 2, and 3.
  • the configuration information can be configured: the number of resources occupied by the terminal using comb offset hopping is flexibly configured by the base station, the terminal using comb offset hopping randomly selects several resources to occupy in the comb offset, and the terminal not using comb offset hopping can occupy the remaining comb offset.
  • a terminal that adopts comb offset hopping in the RRC parameter configuration occupies comb offset 1
  • a terminal that does not adopt comb offset hopping occupies comb offset 0, 2, and 3.
  • Step 2a The terminal calculates the frequency domain starting position of the SRS according to the subset of comb offset frequency hopping configured by the configuration information.
  • the base station configures the comb offset configuration parameter corresponding to the SRS port p i according to the combOffset in the parameter transmissionComb Then the comb offset configuration parameters corresponding to the SRS port pi can be
  • the comb offset value of SRS port p i is calculated using the following formula (24):
  • the terminal can use or not use comb offset hopping based on SRS, using different determined comb frequency hopping offsets. way;
  • the comb frequency hopping offset can be calculated using the following formula (25):
  • the comb frequency hopping offset can be calculated using the following formula (26):
  • the comb frequency hopping offset can be calculated using the following formula (27):
  • the comb frequency hopping offset can be calculated using the following formula:
  • t is the number t of the OFDM symbol where the SRS is located in multiple radio frames
  • mod(SFN, N) is the current wireless frame number, is the number of slots in a wireless frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols in a radio frame. is the number of the time slot in a radio frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols before the slot occupied by SRS, l 0 is the starting OFDM symbol position of SRS in a slot. l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1], and R means sending the same SRS on R OFDM symbols.
  • n shift is a threshold. is the number of subcarriers per RB. is the frequency domain offset value of the SRS port p i , which is used to ensure the orthogonality between different ports. It is the comb offset value when using comb offset hopping. This is the offset value for SRS positioning.
  • SRS sent is used for positioning, The value of can be determined based on relevant technologies or protocols.
  • the transmitted SRS is not used for positioning, is the number of comb offsets that a terminal using comb offset hopping can occupy,
  • s( ⁇ ) is configured by the network side device, and s( ⁇ ) is used to indicate the position of the comb frequency hopping offset mapped when the terminal adopts the comb frequency hopping offset; for example, s(x) is adopted
  • the comb offset hopping terminal can be mapped to the comb offset position, s(x) and x are mapped one by one.
  • Step 3a The terminal sends the SRS according to the calculated SRS frequency domain starting position.
  • the process of the terminal sending SRS includes the following steps:
  • Step 1b The base station configures a subset of cyclic shift hopping for the terminal.
  • the terminal receives the configuration information and determines the subset of cyclic shift hopping.
  • the configuration information is indicated by a radio resource control (RRC) parameter for configuring a subset of cyclic shift hopping, where the RRC parameter uses one or more integers to specify cyclic shift values that a terminal using cyclic shift hopping can occupy.
  • RRC radio resource control
  • the configuration information may be configured as follows: the number of cyclic shifts that a terminal using cyclic shift hopping can occupy is fixed to half of the number of all cyclic shifts, that is, the number of cyclic shifts that a terminal using cyclic shift hopping can occupy can only be 2.
  • the configuration information can be configured: the number of resources occupied by the terminal using cyclic shift hopping is flexibly configured by the base station, the terminal using cyclic shift hopping occupies the first few consecutive cyclic shifts, and the terminal not using cyclic shift hopping can occupy the remaining cyclic shifts.
  • a terminal using cyclic shift hopping occupies cyclic shift 0, 1, 2, Terminals that do not use cyclic shift hopping occupy cyclic shift 3, 4, 5, 6, and 7.
  • the configuration information can be configured: the number of resources occupied by the terminal using cyclic shift hopping is flexibly configured by the base station, the terminal using cyclic shift hopping randomly selects several resources to occupy in the cyclic shift, and the terminal not using cyclic shift hopping can occupy the remaining cyclic shift.
  • a terminal that uses cyclic shift hopping occupies cyclic shift 1 and 4, and a terminal that does not use cyclic shift hopping occupies cyclic shift 0, 2, 3, 5, 6, and 7.
  • the configuration information can be configured: the cyclic shift that a terminal using cyclic shift hopping can occupy is explicitly configured by the high-level parameter cyclicShift in transmissionComb.
  • cyclicShift uses multiple integers, and the first integer value specifies The following set of integers indicates the cyclic shift values that can be occupied by the terminal using cyclic shift hopping.
  • the value is 6.
  • the terminal using cyclic shift hopping can only hop in cyclic shift 2 to 5.
  • the number of resources that the terminal using cyclic shift hopping can occupy is and
  • the first value in the cyclic shift is mapped to cyclic shift 2
  • the second value is mapped to cyclic shift 3
  • the third value is mapped to cyclic shift 4
  • the fourth value is mapped to cyclic shift 5.
  • the configuration information may be configured as follows: the number of cyclic shifts that a terminal using cyclic shift hopping can occupy is fixed to half of the number of all cyclic shifts, that is, the number of cyclic shifts that a terminal using cyclic shift hopping can occupy can only be 2.
  • the configuration information can be configured: the number of resources occupied by the terminal using cyclic shift hopping is flexibly configured by the base station, the terminal using cyclic shift hopping occupies the first few consecutive cyclic shifts, and the terminal not using cyclic shift hopping can occupy the remaining cyclic shifts.
  • a terminal using cyclic shift hopping occupies cyclic shift 0, 1, 2, Terminals that do not use cyclic shift hopping occupy cyclic shift 3, 4, 5, 6, and 7.
  • the configuration information can be configured: the number of resources occupied by the terminal using cyclic shift hopping is flexibly configured by the base station, the terminal using cyclic shift hopping randomly selects several resources to occupy in the cyclic shift, and the terminal not using cyclic shift hopping can occupy the remaining cyclic shift.
  • a terminal that uses cyclic shift hopping occupies cyclic shift 1 and 4, and a terminal that does not use cyclic shift hopping occupies cyclic shift 0, 2, 3, 5, 6, and 7.
  • Step 2b The terminal calculates the cyclic shift of the SRS according to the subset of cyclic shift hopping configured in the configuration information.
  • the base station configures the cyclic shift configuration parameter corresponding to the SRS port p i according to the cyclicShift in the parameter transmissionComb: Then the cyclic shift configuration parameters corresponding to the SRS port pi can be
  • the code domain offset value of SRS port p i is calculated using the following formula (29):
  • the terminal may adopt or not adopt cyclic shift hopping based on SRS, and adopt different cyclic shift hopping offsets. way;
  • the cyclic shift hopping offset can be calculated using the following formula (30):
  • the cyclic shift hopping offset can be calculated using the following formula (32):
  • the cyclic shift jump offset can be calculated using the following formula:
  • t is the number t of the OFDM symbol where the SRS is located in multiple wireless frames
  • mod(SFN, N) is the current wireless frame number
  • is the number of the time slot in a radio frame is the number of OFDM symbols in a slot
  • l 0 is the starting OFDM symbol position of SRS in a slot
  • l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1].
  • Step 4 Repeat steps 2 and 3 for the next OFDM symbol t’ to determine the cyclic shift occupied by the SRS at OFDM symbol t’.
  • the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • the name of the terminal device may also be different.
  • the terminal device may be called a user equipment (UE).
  • the wireless terminal device can communicate with one or more core networks (CN) via a radio access network (RAN).
  • CN core networks
  • RAN radio access network
  • the wireless terminal device may be a mobile terminal device, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device, for example, a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device, which exchanges language and/or data with a radio access network.
  • Wireless terminal devices may also be referred to as systems, subscriber units, subscriber stations, mobile stations, mobile stations, remote stations, access points, remote terminal devices, access terminal devices, user terminal devices, user agents, and user devices, which are not limited in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services for the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or may be called by other names.
  • the network device may be used to exchange received air frames with Internet Protocol (IP) packets, and may serve as a router between the wireless terminal device and the rest of the access network, where the rest of the access network
  • IP Internet Protocol
  • the network device may also coordinate the attribute management of the air interface.
  • the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (Global System for Mobile communications, GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device (evolutional Node B, eNB or e-NodeB) in the long term evolution (long term evolution, LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (Home evolved Node B, HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., which is not limited in the embodiments of the present disclosure.
  • the network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, and the centralized unit and the distributed unit may also be arranged geographically separately.
  • FIG. 4 is a schematic diagram of the structure of a terminal provided by an embodiment of the present disclosure. As shown in FIG. 4 , the terminal includes a memory 420, a transceiver 400, and a processor 410, wherein:
  • the memory 420 is used to store computer programs; the transceiver 400 is used to send and receive data under the control of the processor 410; the processor 410 is used to read the computer program in the memory 420 and perform the following operations:
  • the SRS using comb offset frequency hopping and/or cyclic shift hopping is transmitted within a subset of the comb offset frequency hopping and/or cyclic shift hopping.
  • the transceiver 400 is used to receive and send data under the control of the processor 410.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 410 and various circuits of memory represented by memory 420 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits together, which are all well known in the art and are therefore not further described herein.
  • the bus interface provides an interface.
  • the transceiver 400 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables.
  • the user interface 430 may also be an interface that can be connected to external and internal devices, and the connected devices include but are not limited to keypads, displays, speakers, microphones, joysticks, etc.
  • the processor 410 is responsible for managing the bus architecture and general processing, and the memory 420 can store data used by the processor 410 when performing operations.
  • processor 410 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD), and the processor can also adopt a multi-core architecture.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • the processor calls the computer program stored in the memory to execute any of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions.
  • the processor and the memory can also be arranged physically separately.
  • the configuration information is specifically used to indicate at least one of the following:
  • the frequency domain resources in the subset of the comb-shaped offset frequency hopping are parts of all frequency domain resources in the OFDM symbol where the SRS is located;
  • the cyclic shift in the cyclic shift hopping subset is a part of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the number of frequency domain positions in all the frequency domain resources.
  • N is an integer greater than 0 and N is less than the number of frequency domain positions in all the frequency domain resources.
  • the subset of the cyclic shift jump includes M code domain resource positions in all the cyclic shifts, where M is an integer greater than 0 and M is less than the number of all the cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions of all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of all the frequency domain resources;
  • the subset of the cyclic shift hop includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the configuration information is indicated by a radio resource control (RRC) parameter, or the configuration information is indicated by a high-level parameter.
  • RRC radio resource control
  • the processor 410 is specifically configured to:
  • the SRS is sent at the starting position in the frequency domain.
  • the processor 410 is specifically configured to:
  • a frequency domain starting position of the SRS is obtained.
  • the processor 410 is specifically configured to:
  • the comb frequency hopping offset is calculated based on any of the following items:
  • the processor 410 is specifically configured to:
  • Comb-based offset configuration parameters Calculate the comb offset value of SRS port p i
  • the processor 410 is specifically configured to:
  • the frequency domain position offset value of the SRS port p i is calculated or
  • n shift is the preset threshold, is the number of subcarriers per RB
  • K TC is the comb value when SRS resources are mapped in the frequency domain. It is the offset value of SRS positioning. is the number of frequency domain positions that can be occupied by the terminal when comb frequency hopping offset is adopted
  • s( ⁇ ) is configured by a network side device, and s( ⁇ ) is used to indicate the position of the comb frequency hopping offset mapped when the terminal adopts the comb frequency hopping offset.
  • the processor 410 is specifically configured to:
  • the SRS is transmitted at the cyclic shift position.
  • the processor 410 is specifically configured to:
  • the y-bit binary pseudo-random sequence corresponding to time t in the SRS sequence is converted into a decimal
  • the integer is obtained by cyclic shift jump offset
  • a cyclic shift position of the SRS is obtained.
  • the processor 410 is specifically configured to:
  • the cyclic shift jump offset is calculated based on any of the following items:
  • the processor 410 is specifically configured to:
  • a cyclic shift position of the SRS is determined.
  • the processor 410 is specifically configured to:
  • the number t satisfies:
  • mod(SFN, N) is the current wireless frame number, is the number of slots in a wireless frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols in a radio frame; is the number of the time slot in a radio frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols before the slot occupied by SRS, l 0 is the starting OFDM symbol position of SRS in a slot; l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1], and R means sending the same SRS on R OFDM symbols.
  • the number t satisfies:
  • FIG5 is a schematic diagram of the structure of a network side device provided by an embodiment of the present disclosure.
  • the network side device includes a memory 520, a transceiver 500, and a processor 510, wherein:
  • the memory 520 is used to store computer programs; the transceiver 500 is used to send and receive data under the control of the processor 510; the processor 510 is used to read the computer program in the memory 520 and perform the following operations:
  • Configuration information is sent to a terminal, where the configuration information is used by the terminal to determine a subset of comb offset frequency hopping and/or cyclic shift hopping, where the subset of comb offset frequency hopping and/or cyclic shift hopping is dedicated to transmitting an SRS using comb offset frequency hopping and/or cyclic shift hopping.
  • the transceiver 500 is used to receive and send data under the control of the processor 510.
  • the bus architecture can include any number of interconnected buses and bridges, specifically one or more processors represented by processor 510 and various circuits of memory represented by memory 520 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits together, which are all well known in the art, so they are not further described herein.
  • the bus interface provides an interface.
  • the transceiver 500 can be a plurality of components, that is, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables.
  • the processor 510 is responsible for managing the bus architecture and general processing, and the memory 520 can store data used by the processor 510 when performing operations.
  • Processor 510 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • the processor can also adopt a multi-core architecture.
  • the configuration information is specifically used to indicate at least one of the following:
  • the frequency domain resources in the subset of the comb-type offset frequency hopping are the frequency domain resources where the SRS is located.
  • the cyclic shift in the cyclic shift hopping subset is a part of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb-shaped offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the total number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift jump includes M code domain resource positions in all the cyclic shifts, where M is an integer greater than 0 and M is less than the number of all the cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions of all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of all the frequency domain resources;
  • the subset of the cyclic shift hop includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • processor 510 is specifically configured to:
  • the configuration information is indicated using a radio resource control RRC parameter or a higher layer parameter.
  • the above-mentioned network side device provided in the embodiment of the present disclosure can implement all the method steps implemented by the method embodiment in which the execution subject is the network side device, and can achieve the same technical effect.
  • the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
  • FIG. 6 is a schematic diagram of a structure of an SRS transmitting device provided in an embodiment of the present disclosure. As shown in FIG. 6 , the SRS transmitting device 600 includes:
  • the configuration information receiving module 610 is used to receive the configuration information sent by the network side device; determine a subset of comb offset frequency hopping and/or cyclic shift hopping according to the configuration information, and the subset of comb offset frequency hopping and/or cyclic shift hopping is dedicated to transmitting SRS using comb offset frequency hopping and/or cyclic shift hopping;
  • the SRS sending module 620 is configured to send the SRS using the comb offset frequency hopping and/or cyclic shift hopping within a subset of the comb offset frequency hopping and/or cyclic shift hopping.
  • the configuration information is specifically used to indicate at least one of the following:
  • the frequency domain resources in the subset of the comb-shaped offset frequency hopping are parts of all frequency domain resources in the OFDM symbol where the SRS is located;
  • the cyclic shift in the cyclic shift hopping subset is a part of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb-shaped offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the total number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift jump includes M code domain resource positions in all the cyclic shifts, where M is an integer greater than 0 and M is less than the number of all the cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions of all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of all the frequency domain resources;
  • the subset of the cyclic shift hop includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the configuration information is indicated by a radio resource control (RRC) parameter, or the configuration information is indicated by a high-level parameter.
  • RRC radio resource control
  • the SRS sending module is specifically used for:
  • the SRS is sent at the starting position in the frequency domain.
  • the SRS sending module is specifically used for:
  • a frequency domain starting position of the SRS is obtained.
  • the SRS sending module is specifically used for:
  • the comb frequency hopping offset is calculated based on any of the following items:
  • c(y*t+m) is used to represent the y-bit binary pseudo-random sequence corresponding to time t in the SRS sequence
  • KTC is the comb value when the SRS resource is mapped in the frequency domain
  • m is used to calculate the comb frequency hopping offset.
  • the SRS sending module is specifically used for:
  • Comb-based offset configuration parameters Calculate the comb offset value of SRS port p i
  • the SRS sending module is specifically used for:
  • the frequency domain position offset value of the SRS port p i is calculated or
  • n shift is the preset threshold, is the number of subcarriers per RB
  • K TC is the comb value when SRS resources are mapped in the frequency domain. It is the offset value of SRS positioning. is the number of frequency domain positions that can be occupied by the terminal when comb frequency hopping offset is adopted
  • s( ⁇ ) is configured by a network side device, and s( ⁇ ) is used to indicate the position of the comb frequency hopping offset mapped when the terminal adopts the comb frequency hopping offset.
  • the SRS sending module is specifically used for:
  • the SRS is transmitted at the cyclic shift position.
  • the SRS sending module is specifically used for:
  • a cyclic shift position of the SRS is obtained.
  • the SRS sending module is specifically used for:
  • the cyclic shift jump offset is calculated based on any of the following items:
  • the SRS sending module is specifically used for:
  • a cyclic shift position of the SRS is determined.
  • the SRS sending module is specifically used for:
  • the number t satisfies:
  • mod(SFN, N) is the current wireless frame number, is the number of slots in a wireless frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols in a radio frame; is the number of the time slot in a radio frame, is the number of OFDM symbols in a slot, is the number of OFDM symbols before the slot occupied by SRS, l 0 is the starting OFDM symbol position of SRS in a slot; l′ is the number of the current OFDM symbol in the number of OFDM symbols occupied by SRS, l′ ⁇ [0, number of OFDM symbols occupied by SRS-1], and R means sending the same SRS on R OFDM symbols.
  • the number t satisfies:
  • the SRS transmitting device configureds a subset of comb offset frequency hopping and/or cyclic shift hopping corresponding to the SRS so that the SRS can only perform comb offset frequency hopping and/or cyclic shift hopping within the subset, and the subset does not include frequency domain/code domain resources that may be occupied by UE/SRS that does not support comb offset frequency hopping and/or cyclic shift hopping, thereby avoiding the collision between the SRS that performs comb offset frequency hopping and/or cyclic shift hopping and the ordinary SRS that does not perform comb offset frequency hopping and/or cyclic shift hopping, thereby improving the SRS transmission performance.
  • each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.
  • FIG. 7 is a second structural diagram of an SRS sending device provided in an embodiment of the present disclosure. As shown in FIG. 7 , the SRS sending device 700 includes:
  • the configuration information sending module 710 is used to send configuration information to the terminal, wherein the configuration information is used by the terminal to determine a subset of comb offset frequency hopping and/or cyclic shift hopping, and the subset of comb offset frequency hopping and/or cyclic shift hopping is dedicated to transmitting SRS using comb offset frequency hopping and/or cyclic shift hopping.
  • the configuration information is specifically used to indicate at least one of the following:
  • the frequency domain resources in the subset of the comb-shaped offset frequency hopping are parts of all frequency domain resources in the OFDM symbol where the SRS is located;
  • the cyclic shift in the cyclic shift hopping subset is a part of all cyclic shifts in the OFDM symbol where the SRS is located;
  • the subset of the comb-shaped offset frequency hopping includes N frequency domain resource positions in all the frequency domain resources, where N is an integer greater than 0 and N is less than the total number of frequency domain positions in all the frequency domain resources;
  • the subset of the cyclic shift jump includes M code domain resource positions in all the cyclic shifts, where M is an integer greater than 0 and M is less than the number of all the cyclic shifts;
  • the subset of the comb offset frequency hopping includes the first P frequency domain resource positions of all the frequency domain resources, where P is an integer greater than 0 and P is less than the number of all the frequency domain resources;
  • the subset of the cyclic shift hop includes the first Q code domain resource positions of all the cyclic shifts, where Q is an integer greater than 0 and Q is less than the number of all the cyclic shifts.
  • the configuration information sending module 710 is specifically used for:
  • the configuration information is indicated using a radio resource control RRC parameter or a higher layer parameter.
  • the SRS transmitting device configureds a subset of comb offset frequency hopping and/or cyclic shift hopping corresponding to the SRS so that the SRS can only perform comb offset frequency hopping and/or cyclic shift hopping within the subset, and the subset does not include the frequency domain/code domain resources that may be occupied by the UE/SRS that does not support comb offset frequency hopping and/or cyclic shift hopping, that is, the SRS that avoids comb offset frequency hopping and/or cyclic shift hopping and the SRS that does not perform comb offset frequency hopping can be separated from the SRS that does not perform comb offset frequency hopping. and/or cyclic shift hopping common SRS collides, thereby improving SRS transmission performance.
  • each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the methods provided in the above embodiments.
  • the processor-readable storage medium may be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (e.g., floppy disk, hard disk, tape, magneto-optical disk (MO)), optical storage (e.g., CD, DVD, BD, HVD etc.), and semiconductor memories (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drives (SSD)), etc.
  • magnetic storage e.g., floppy disk, hard disk, tape, magneto-optical disk (MO)
  • optical storage e.g., CD, DVD, BD, HVD etc.
  • semiconductor memories such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drives (SSD)
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program code.
  • a computer-usable storage media including but not limited to disk storage and optical storage, etc.
  • each process and/or box in the flowchart and/or block diagram, as well as the combination of the process and/or box in the flowchart and/or block diagram can be implemented by computer executable instructions.
  • These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one process or multiple processes in the flowchart and/or one box or multiple boxes in the block diagram.
  • processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
  • processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.

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Abstract

本公开实施例提供一种SRS发送方法、装置、终端、网络侧设备及存储介质，所述方法包括：接收网络侧设备发送的配置信息；根据配置信息确定配置梳状偏移跳频和/或循环移位跳跃的子集，梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS；在梳状偏移跳频和/或循环移位跳跃的子集内，发送采用梳状偏移跳频和/或循环移位跳跃的SRS。

Description

SRS发送方法、装置、终端、网络侧设备及存储介质
相关申请的交叉引用
本公开要求于2023年08月11日提交的申请号为202311017443.7，发明名称为“SRS发送方法、装置、终端、网络侧设备及存储介质”的中国专利申请的优先权，其通过引用方式全部并入本文。
技术领域
本公开涉及通信技术领域，尤其涉及一种SRS发送方法、装置、终端、网络侧设备及存储介质。
背景技术
不同的探测参考信号(Sounding Reference Signal，SRS)端口在资源选择上应该尽量避免干扰碰撞，可以引入干扰随机化的方法，即随着时间的变化，SRS占用的资源也在发生变化，避免了持续的干扰冲突。在频域上，可以采用梳状偏移跳频(comb offset hopping)的方案，在码域上，可以采用循环移位跳跃(cyclic shift hopping)的方案。
但是，梳状偏移跳频和/或循环移位跳跃可能会导致梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳频和/或循环移位跳跃的普通SRS发生碰撞，导致SRS传输性能降低。
发明内容
本公开实施例提供一种SRS发送方法、装置、终端、网络侧设备及存储介质，用以解决现有技术中SRS的传输发生冲突导致SRS传输性能降低的缺陷，实现提高SRS的传输性能。
第一方面，本公开实施例提供一种SRS发送方法，应用于终端，所述方法包括：
接收网络侧设备发送的配置信息；
根据所述配置信息确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS；
在所述梳状偏移跳频和/或循环移位跳跃的子集内，发送所述采用梳状偏移跳频和/或循环移位跳跃的SRS。
可选地，根据本公开一个实施例的SRS发送方法，所述配置信息具体用于指示以下至少一项：
所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，根据本公开一个实施例的SRS发送方法，所述配置信息由无线资源控制RRC参数指示，或者，所述配置信息由高层参数指示。
可选地，根据本公开一个实施例的SRS发送方法，所述在所述梳状偏移跳频的子集内，发送SRS，包括：
在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置；
在所述频域起始位置发送所述SRS。
可选地，根据本公开一个实施例的SRS发送方法，所述在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置，包括：
基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移；其中，y为大于或等于8的整数；
基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置。
可选地，根据本公开一个实施例的SRS发送方法，所述将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移，包括：
基于以下任一项，计算得到所述梳状跳频偏移


其中，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，KTC为SRS资源频域映射时的梳值，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
可选地，根据本公开一个实施例的SRS发送方法，所述基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置，包括：
基于梳状偏移配置参数计算得到SRS端口pi的梳状偏移值
基于所述SRS端口pi的梳状偏移值和梳状跳频偏移 计算得到SRS端口pi的频域位置偏移值
基于所述计算得到所述SRS的频域起始位置。
可选地，根据本公开一个实施例的SRS发送方法，所述基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值包括：
基于以下任一项，计算得到SRS端口pi的频域位置偏移值
或
其中，nshift为预设阈值，为每个RB的子载波数目， KTC为SRS资源频域映射时的梳值，为SRS定位时的偏移值，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，s(·)由网络侧设备配置，s(·)用于指示所述终端采用梳状跳频偏移的情况下映射的梳状跳频偏移的位置。
可选地，根据本公开一个实施例的SRS发送方法，所述在所述循环移位跳跃的子集内，发送SRS，包括：
在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置；
在所述循环移位位置发送所述SRS。
可选地，根据本公开一个实施例的SRS发送方法，所述在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置，包括：
基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移；
基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置。
可选地，根据本公开一个实施例的SRS发送方法，所述将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移，包括：
基于以下任一项，计算得到所述循环移位跳跃偏移


其中，为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
可选地，根据本公开一个实施例的SRS发送方法，所述基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置，包括：
基于循环移位配置参数计算得到SRS端口pi的码域偏移值
基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi；
基于所述循环移位αi，确定所述SRS的循环移位位置。
可选地，根据本公开一个实施例的SRS发送方法，所述基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi，包括：
基于以下任一项，计算得到αi：
或
其中，是SRS端口pi的码域偏移值， 为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，s(·)由网络侧设备配置，s(·)用于指示所述终端采用循环移位跳跃的情况下映射的循环移位跳跃的位置。
可选地，在终端采用梳状偏移跳频的情况下，所述编号t满足：
其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]，R表示在R个OFDM符号上发送相同的SRS。
可选地，在终端采用循环移位跳跃的情况下，所述编号t满足：
其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，c0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS 所占OFDM符号数-1]。
第二方面，本公开实施例还提供一种SRS发送方法，应用于网络侧设备，所述方法包括：
向终端发送配置信息，所述配置信息用于所述终端确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS。
可选地，根据本公开一个实施例的SRS发送方法，所述配置信息具体用于指示以下至少一项：
所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，根据本公开一个实施例的SRS发送方法，所述向终端发送配置信息，包括：
使用无线资源控制RRC参数或高层参数，指示所述配置信息。
第三方面，本公开实施例还提供一种终端，包括存储器，收发机，处理器，其中：
存储器，用于存储计算机程序；收发机，用于在所述处理器的控 制下收发数据；处理器，用于读取所述存储器中的计算机程序并实现如上所述第一方面所述的SRS发送方法的步骤。
第四方面，本公开实施例还提供一种网络侧设备，包括存储器，收发机，处理器，其中：
存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并实现如上所述第二方面所述的SRS发送方法的步骤。
第五方面，本公开实施例还提供一种处理器可读存储介质，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行如上所述第一方面所述的SRS发送方法的步骤。
第六方面，本公开实施例还提供一种处理器可读存储介质，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行如上所述第二方面所述的SRS发送方法的步骤。
本公开实施例提供的SRS发送方法、装置、终端、网络侧设备及存储介质，通过配置SRS对应的梳状偏移跳频和/或循环移位跳跃的子集，以使SRS仅能在子集内进行梳状偏移跳频和/或循环移位跳跃，且该子集不包括不支持梳状偏移跳频和/或循环移位跳跃的UE/SRS可能占用的频域/码域资源，即可以避免梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳频和/或循环移位跳跃的普通SRS发生碰撞，提高SRS传输性能。
附图说明
为了更清楚地说明本公开实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是相关技术提供的SRS资源映射示意图；
图2是本公开实施例提供的SRS发送方法的流程示意图之一；
图3是本公开实施例提供的SRS发送方法的流程示意图之二；
图4是本公开实施例提供的一种终端的结构示意图；
图5是本公开实施例提供的一种网络侧设备的结构示意图；
图6是本公开实施例提供的SRS发送装置的结构示意图之一；
图7是本公开实施例提供的SRS发送装置的结构示意图之二。
具体实施方式
本公开实施例中术语“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本公开实施例中术语“多个”是指两个或两个以上，其它量词与之类似。
首先对以下内容进行介绍：
对于通信系统中的探测参考信号(Sounding Reference Signal，SRS)，在频域上，SRS基于梳状结构进行映射，即SRS资源不是在连续的子载波上映射，而是均匀地间隔一个或几个子载波映射。一个SRS资源中的SRS端口映射至的频域资源由梳数(comb)的取值和该SRS端口对应的梳状偏移(comb offset)决定。
图1是相关技术提供的SRS资源映射示意图；例如，comb等于2时，SRS端口映射的频域资源为间隔一个子载波的梳状结构，并且有两个可映射的comb offset，如图1所示的SRS资源1和SRS资源2；comb等于4时，SRS端口映射的频域资源为间隔3个子载波的梳状结构，且有4个可映射的comb offset，如图1所示SRS资源3。一个SRS资源的不同端口的comb offset可以不同。例如一个SRS资源被配置为comb 2，一部分端口占用comb offset为“0”的频域位置，另一部分端口映射在comb offset为“1”的频域位置。
不同的SRS端口在资源选择上应该尽量避免干扰碰撞。例如在小区较密集，小区之间距离较近的场景下。当终端处于小区边缘，很容易受到其他小区的干扰，所以要尽量为不同小区的终端分配不同的资源。若两个终端的SRS资源无法避免地产生了冲突，且它们占据的SRS资源保持不变时，随着时间的推移将会产生持续的干扰，这对通信质量是极其不利的。
为了避免这种情况的发生，可以引入干扰随机化的方法，即随着时间的变化，SRS占用的资源也在发生变化，避免了持续的干扰冲突。
在频域上，可以采用梳状偏移跳频(comb offset hopping)的方案，即利用8位二进制伪随机序列(二进制伪随机序列为31位Gold序列)生成十进制整数来确定梳状偏移(comb offset)，对于一个SRS端口，其映射至的comb offset是关于时间的函数。
例如，对于一个comb为2的SRS资源，其在第一个OFDM符号上使用comb offset 0，在第二个OFDM符号上伪随机地跳频到comb offset 0或1上。comb offset hopping在频域上的随机性跳跃实现了频域上的干扰随机化。
在码域上，可以采用循环移位跳跃(cyclic shift hopping)的方案，随着时间的变化伪随机地确定循环移位(cyclic shift)。在码域上实现了干扰随机化。
本公开实施例提供了SRS发送方法、装置、终端、网络侧设备及存储介质，用以避免梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳频和/或循环移位跳跃的普通SRS发生碰撞，提高SRS传输性能。
其中，方法和装置是基于同一申请构思的，由于方法和装置解决问题的原理相似，因此装置和方法的实施可以相互参见，重复之处不再赘述。
下面将结合本公开实施例中的附图，对本公开实施例中的技术方 案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开一部分实施例，并不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本公开实施例提供的技术方案可以适用于多种系统，尤其是5G系统。例如适用的系统可以是全球移动通讯(global system of mobile communication，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)通用分组无线业务(general packet radio service，GPRS)系统、长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)系统、高级长期演进(long term evolution advanced，LTE-A)系统、通用移动系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)系统、5G新空口(New Radio，NR)系统等。这多种系统中均包括终端设备和网络设备。系统中还可以包括核心网部分，例如演进的分组系统(Evloved Packet System，EPS)、5G系统(5GS)等。
图2是本公开实施例提供的SRS发送方法的流程示意图之一，如图2所示，该SRS方法应用于终端，即执行主体为终端；该SRS方法包括如下步骤：
步骤200，接收网络侧设备发送的配置信息；根据所述配置信息确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS；
可选地，网络侧设备可以包括：为终端提供服务的基站；
具体来说，网络侧设备可以向终端发送配置信息，配置梳状偏移 跳频和/或循环移位跳跃的子集，以使终端基于配置信息确定梳状偏移跳频和/或循环移位跳跃的子集；
可选地，梳状偏移跳频的子集用于限制梳状偏移跳频可以跳跃的值，该子集不包括不支持梳状偏移跳频的终端或SRS可能占用的频域资源；
可选地，循环移位跳跃的子集用于限制循环移位跳跃可以跳跃的值，该子集不包括不支持循环移位跳跃的终端或SRS可能占用的码域资源；
步骤210，在所述梳状偏移跳频和/或循环移位跳跃的子集内，发送所述采用梳状偏移跳频和/或循环移位跳跃的SRS。
可选地，终端在基于配置信息确定梳状偏移跳频的子集后，可以在梳状偏移跳频的子集内，确定采用梳状偏移跳频的SRS的传输资源，进而发送该SRS；
可选地，终端在基于配置信息确定循环移位跳跃的子集后，可以在循环移位跳跃的子集内，确定采用循环移位跳跃的SRS的传输资源，进而发送该SRS。
具体来说，部分终端支持梳状偏移跳频/循环移位跳跃，部分终端不支持梳状偏移跳频/循环移位跳跃等类似方案，当这两类终端进行复用时，梳状偏移跳频和/或循环移位跳跃可能会导致梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳频和/或循环移位跳跃的普通SRS发生碰撞；比如终端采用梳状偏移跳频(comb offset hopping)方式跳频时，可能由于频率资源的跳变与不采用comb offset hopping的终端占用同一频域资源。
为了避免这一情况的发生，可以限制采用comb offset hopping的终端与不采用comb offset hopping的终端占用不同的资源，即不采用comb offset hopping的终端占用一部分资源，采用comb offset hopping的终端占用剩下的一部分资源(subset of comb offset)。即网络侧设 备可以为采用comb offset hopping的终端或SRS配置梳状偏移跳频的子集，可以将梳状偏移跳频可以跳跃的值限制在梳状偏移跳频的子集内，该子集不包括不支持这些跳频方案的终端或SRS可能占用的频域资源。
例如，对于comb 4，若不采用comb offset hopping的终端占用comb offset 0，则采用comb offset hopping的终端只能在comb offset1，2，3或comb offset 1，2，3的子集上跳频，具体可以在哪几个comb offset上跳频取决于基站配置。
比如，终端采用循环移位跳变cyclic shift hopping方式跳跃时，可能与不采用cyclic shift hopping的终端占用同一循环移位。为了避免这一情况的发生，可以限制采用cyclic shift hopping的终端与不采用cyclic shift hopping的终端占用不同的循环移位，即不采用cyclic shift hopping的终端占用一部分循环移位，采用cyclic shift hopping的终端占用剩下的一部分循环移位(subset of cyclic shift)。即网络侧设备可以为采用comb offset hopping的终端或SRS配置循环移位跳跃的子集，终端可以将循环移位跳跃可以跳跃的值限制在循环移位跳跃的子集内，该子集不包括不支持这些跳频方案的终端或SRS可能占用的码域资源。
例如，对于最大循环移位值为6的终端，若不采用cyclic shift hopping的终端占用cyclic shift 0，1，则采用cyclic shift hopping的终端只能在cyclic shift 2，3，4，5或cyclic shift 2，3，4，5的子集上跳跃，具体可以在哪几个cyclic shift上跳跃取决于基站配置。
本公开实施例在开启SRS comb offset hopping和/或cyclic shift hopping时，避免与legacy终端(比如不进行梳状偏移跳频和/或循环移位跳跃的普通终端)冲突，实现资源复用。
本公开实施例提供的SRS发送方法，通过配置SRS对应的梳状偏移跳频和/或循环移位跳跃的子集，以使SRS仅能在子集内进行梳 状偏移跳频和/或循环移位跳跃，且该子集不包括不支持梳状偏移跳频和/或循环移位跳跃的终端或SRS可能占用的频域/码域资源，即可以避免梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳频和/或循环移位跳跃的普通SRS发生碰撞，提高SRS传输性能。
可选地，所述配置信息具体用于指示以下至少一项：
所述梳状偏移跳频的子集中的频域资源为所述SRS所在的正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)符号中所有频域资源的部分；
所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源中频域位置的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，配置信息可以指示采用comb offset hopping的终端可以占用的comb offset；
比如，配置信息可以指示：梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分，即采用comb offset hopping的终端可以占用的comb offset固定为所有comb offset的一部分，比如采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，或1/2±a，a为大于 或等于0的整数且a小于所述所有comb offset数量的一半。
比如，配置信息可以指示：梳状偏移跳频的子集包括所有频域资源中的N个频域资源位置，即采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择N个占用，不采用comb offset hopping的终端可以占用剩下的comb offset。
比如，配置信息可以指示：梳状偏移跳频的子集包括所有频域资源中的前P个频域资源位置，即采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前P个连续的comb offset，不采用comb offset hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示采用cyclic shift hopping的终端可以占用的cyclic shift；
比如，配置信息可以指示：循环移位跳跃的子集中的循环移位为SRS所在的OFDM符号中所有循环移位的部分，即采用cyclic shift hopping的终端可以占用的cyclic shift固定为所有cyclic shift的一部分，比如采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，或1/2±b，b为大于或等于0的整数且b小于所述所有cyclic shift数量的一半。
比如，配置信息可以指示：循环移位跳跃的子集包括所述循环移位中的前Q个码域资源位置，采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前Q个连续的cyclic shift，不采用cyclic shift hopping的终端可以占用剩下的cyclic shift。
比如，配置信息可以指示：循环移位跳跃的子集包括所有循环移位中的M个码域资源位置，采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift 中随机选择M个占用，不采用cyclic shift hopping的终端可以占用剩下的cyclic shift。
可选地，所述配置信息具体用于指示以下一项或多项：
(a)所述梳状偏移跳频的子集中的频域资源为所述SRS所在的正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)符号中所有频域资源的部分；
(b)所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
(c)所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的的数量；
(d)所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
(e)所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源中频域位置的数量；
(f)所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，配置信息可以同时指示(a)和(c)、或(a)和(e)、或(c)和(e)、或(a)和(c)和(e)；终端可以结合(a)和(c)、或(a)和(e)、或(c)和(e)的内容确定梳状偏移跳频的子集；或者，终端可以从指示的多项中选取一项用以确定梳状偏移跳频的子集；
可选地，配置信息可以同时指示(b)和(d)、或(b)和(f)、或(d)和(f)、或(b)和(d)和(f)；终端可以结合(b)和(d)、 或(b)和(f)、或(d)和(f)的内容确定循环移位跳跃的子集；或者，终端可以从指示的多项中选取一项用以确定循环移位跳跃的子集；
可选地，配置信息可以同时指示(a)-(f)中的任意多项的排列组合，终端可以结合指示的多项的内容确定梳状偏移跳频的子集和/或循环移位跳跃的子集，或从指示的多项中选取一项或两项用以确定梳状偏移跳频的子集和/或循环移位跳跃的子集，在此不再一一举例；
比如，配置信息可以指示采用comb offset hopping的终端可以占用的comb offset和采用cyclic shift hopping的终端可以占用的cyclic shift。
可选地，配置信息可以指示：采用comb offset hopping的终端可以占用的comb offset固定为所有comb offset的一部分，比如采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，或1/2±a，a为大于或等于0的整数且a小于所述所有comb offset数量的一半；以及采用cyclic shift hopping的终端可以占用的cyclic shift固定为所有cyclic shift的一部分，比如采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，或1/2±b，b为大于或等于0的整数且b小于所述所有cyclic shift数量的一半。
可选的，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择N个占用；以及采用cyclic shift hopping的终端可以占用的cyclic shift固定为所有cyclic shift的一部分，比如采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，或1/2±b，b为大于或等于0的整数且b小于所述所有cyclic shift数量的一半；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前P个连续的comb offset；以及采用cyclic shift hopping的终端可以占用的cyclic shift固定为所有cyclic shift的一部分，比如采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，或1/2±b，b为大于或等于0的整数且b小于所述所有cyclic shift数量的一半；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端可以占用的comb offset固定为所有comb offset的一部分，比如采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，或1/2±a，a为大于或等于0的整数且a小于所述所有comb offset数量的一半；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前Q个连续的cyclic shift；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选的，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择N个占用；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前Q个连续的cyclic shift；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前P个连续的comb offset；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前Q个连续的cyclic shift；不采用comb offset hopping和/或cyclic shift  hopping的终端可以占用剩下的comb offset；比如循环移位跳跃的子集为所有循环移位的前3个，梳状偏移跳频的子集为所有频域位置的前4个。
可选地，配置信息可以指示：采用comb offset hopping的终端可以占用的comb offset固定为所有comb offset的一部分，比如采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，或1/2±a，a为大于或等于0的整数且a小于所述所有comb offset数量的一半；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择M个占用；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选的，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择N个占用；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择M个占用；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前P个连续的comb offset；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择M个占用；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。可选地，所述配置信息由无线资源控制(Radio Resource Control，RRC)参数指示，或者，所述配置信息由高层参数指示；
所述方法还包括：
基于高层参数，确定梳状偏移配置参数或循环移位配置参数
具体来说，配置信息可以由无线资源控制RRC参数指示，或者，所述配置信息由高层参数指示；其中，在配置信息由RRC参数指示的情况下，梳状偏移跳频和/或循环移位跳跃的子集由RRC参数配置，梳状偏移配置参数或循环移位配置参数由高层参数指示；或者，配置信息由高层参数指示的情况下，梳状偏移跳频和/或循环移位跳跃的子集由高层参数配置，由于高层参数还需要指示梳状偏移配置参数或循环移位配置参数因此可以将梳状偏移配置参数或循环移位配置参数以及梳状偏移跳频和/或循环移位跳跃的子集一起指示；
比如，高层参数可以指示梳状偏移配置参数并同时配置梳状偏移跳频的子集；
比如，高层参数可以指示循环移位配置参数并同时配置循环移位跳跃的子集；
比如，高层参数可以指示梳状偏移配置参数循环移位配置参数并同时配置梳状偏移跳频的子集以及循环移位跳跃的子集。
在一个实施例中，网络侧设备可以使用新的RRC参数配置梳状偏移跳频的子集，RRC参数使用一个或多个十进制整数指定采用comb offset hopping的终端可以占用的comb offset值。
在一个实施例中，网络侧设备可以使用高层参数
transmissionComb中的combOffset显式配置，combOffset使用多个十进制整数进行指示，其中第一个十进制整数值可以用于指定后面的一组十进制整数可以指示采用comb offset hopping的终端可以占用的comb offset。其中，
在一个实施例中，网络侧设备可以使用新的RRC参数配置子集，RRC参数使用一个或多个整数指定采用cyclic shift hopping的终端可以占用的cyclic shift值。
在一个实施例中，网络侧设备可以使用高层参数transmissionComb中的cyclicShift显式配置，cyclicShift使用多个整数，第一个整数值指定后面的一组整数指示采用cyclic shift hopping的终端可以占用的cyclic shift值。其中，
可选地，所述在所述梳状偏移跳频的子集内，发送SRS，包括：
在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置；
在所述频域起始位置发送所述SRS。
具体来说，终端在基于配置信息确定梳状偏移跳频的子集后，可以确定SRS可以在梳状偏移跳频的子集内跳频；则可以基于梳状偏移配置参数确定采用梳状偏移跳频的SRS的梳状跳频偏移，进而基于梳状跳频偏移，在梳状偏移跳频的子集内确定发送该SRS的频域起始位置；并在该频域起始位置发送该SRS。
其中，梳状偏移配置参数可以是基于高层参数的指示确定，或基于协议预定义确定。
可选地，所述在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置，包括：
基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移；其中，y为大于或等于8的整数；
基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置。
具体来说，在确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置时，可以首先确定SRS所在的OFDM符号在多个无线帧中的编号t，然后将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移；进而基于 梳状跳频偏移计算得到SRS的频域起始位置；
比如，可以首先确定SRS所在的OFDM符号在多个无线帧中的编号t，然后将所述SRS的序列中的t时刻对应的8位二进制伪随机序列c(i)转化成十进制整数，来指示在当前OFDM符号t可以跳跃到的comb offset的值。
需要说明的是，对应下一个OFDM符号t’，重复执行：将对应SRS的序列中的t时刻对应的8位二进制伪随机序列c(i)转化成十进制整数，来指示在OFDM符号t’可以跳跃到的comb offset的值，即可确定在OFDM符号t’时SRS占用的频域位置。
可选地，所述将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移，包括：
基于以下公式(1)-(3)中的任一项，计算得到所述梳状跳频偏移


其中，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，KTC为SRS资源频域映射时的梳值，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
具体来说，终端可以计算出当前OFDM符号t的梳状跳频偏移
终端可以基于SRS采用或不采用comb offset hopping，采用不同的确定梳状跳频偏移的方式；
比如，对于采用comb offset hopping的终端，可以采用以下公式(4)计算出梳状跳频偏移
比如，对于采用comb offset hopping的终端，可以采用以下公式(5)计算出梳状跳频偏移
比如，对于采用comb offset hopping的终端，可以采用以下公式(6)计算出梳状跳频偏移
比如，对于不采用comb offset hopping的终端，可以采用以下公式计算出梳状跳频偏移
其中，t为SRS所在的OFDM符号在多个无线帧中的编号t；
mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数。为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置。l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]，R表示在R个OFDM符号上发送相同的SRS。
可选地，所述基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置，包括：
基于梳状偏移配置参数计算得到SRS端口px的梳状偏移值
基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值
基于所述计算得到所述SRS的频域起始位置。
具体来说，对于SRS端口pi，基站根据参数transmissionComb 中的combOffset配置所述SRS端口pi对应的梳状偏移配置参数则可以基于SRS端口pi对应的梳状偏移配置参数采用以下公式(7)计算得到SRS端口pi的梳状偏移值
在计算得到SRS端口pi的梳状偏移值后，可以基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值最后基于频域位置偏移值计算得到所述SRS的频域起始位置。
其中，在基于频域位置偏移值计算得到所述SRS的频域起始位置时，可以采用如下公式(8)计算得到所述SRS的频域起始位置
其中，
可选地，所述基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值包括：
基于以下公式(9)-(10)任一项，计算得到SRS端口pi的频域位置偏移值
或
其中，nshift为预设阈值，为每个RB的子载波数目， KTC为SRS资源频域映射时的梳值，为SRS定位时的偏移值，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，s(·)由网络侧设备配置，s(·)用于指示所述终端采用梳状跳频偏移的情况下映射的梳状跳频偏移的位置。
可选地，在基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值时，可以采用如下公式(11)计算得到
可选地，在基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值时，可以采用如下公式(12)计算得到
其中，nshift为一个阈值。为每个RB的子载波数目。是SRS端口pi的频域偏移值，用来保证不同端口之间的正交， 是采用comb offset hopping时的comb offset值。为SRS定位时的偏移值，在发送的SRS用于定位的情况下，的值可以基于相关技术或协议确定，在发送的SRS不用于定位的情况下，为采用comb offset hopping的终端可以占用的comb offset的数目，
其中，s(·)由网络侧设备配置，s(·)用于指示所述终端采用梳状跳频偏移的情况下映射的梳状跳频偏移的位置；比如s(x)是采用 comb offset hopping的终端可以映射到的comb offset的位置，s(x)和x一一映射，
假设网络侧设备用RRC参数combSubset指示采用comb offset hopping的终端可以占用的comb offset。例如KTC＝4时，RRC参数配置如下：combSubset＝2，3。指示采用comb offset hopping的终端只能在comb offset 2～3中跳频，此时采用comb offset hopping的终端可以占用的资源数目且个comb offset中的第一个值映射到comb offset 2，第二个值映射到comb offset 3。这种映射关系在公式中用s(·)表示，对于第x个值采用comb offset hopping的终端映射到comb offset s(x)上。
可选地，所述在所述循环移位跳跃的子集内，发送SRS，包括：
在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置；
在所述循环移位位置发送所述SRS。
具体来说，终端在基于配置信息确定循环移位跳跃的子集后，可以确定SRS可以在循环移位跳跃的子集内跳跃；则可以基于循环移位配置参数确定采用循环移位跳跃的SRS的循环移位跳跃偏移，进而基于循环移位跳跃偏移，在循环移位跳跃的子集内确定发送该SRS的循环移位位置；并在该循环移位位置发送该SRS。
其中，循环移位配置参数可以是基于高层参数的指示确定，或基于协议预定义确定。
可选地，所述在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置，包括：
基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移；
基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的 循环移位位置。
具体来说，在确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置时，可以首先确定SRS所在的OFDM符号在多个无线帧中的编号t，然后将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移；进而基于循环移位跳跃偏移计算得到SRS的循环移位位置；
比如，可以首先确定SRS所在的OFDM符号在多个无线帧中的编号t，然后将所述SRS的序列中的t时刻对应的8位二进制伪随机序列c(i)转化成十进制整数，来在当前OFDM符号可以跳跃到的cyclic shift的值。
需要说明的是，对应下一个OFDM符号t’，重复执行：将所述SRS的序列中的t时刻对应的8位二进制伪随机序列c(i)转化成十进制整数，来在当前OFDM符号可以跳跃到的cyclic shift的值，即可确定在OFDM符号t’时SRS占用的循环移位位置。
可选地，所述将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移，包括：
基于以下公式(13)-(15)中的任一项，计算得到所述循环移位跳跃偏移


其中，为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
具体来说，终端可以计算出当前OFDM符号t的循环移位跳跃偏 移
终端可以基于SRS采用或不采用cyclic shift hopping，采用不同的确定循环移位跳跃偏移的方式；
比如，对于采用cyclic shift hopping的终端，可以采用以下公式(16)计算出循环移位跳跃偏移
比如，对于采用cyclic shift hopping的终端，可以采用以下公式(17)计算出循环移位跳跃偏移
比如，对于采用cyclic shift hopping的终端，可以采用以下公式(18)计算出循环移位跳跃偏移
比如，对于不采用cyclic shift hopping的终端，可以采用以下公式计算出循环移位跳跃偏移
其中，t为SRS所在的OFDM符号在多个无线帧中的编号t， mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数。为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置。l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]。
可选地，所述基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置，包括：
基于循环移位配置参数计算得到SRS端口pi的码域偏移值
基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏 移计算得到循环移位αi；
基于所述循环移位αi，确定所述SRS的循环移位位置。
具体来说，对于SRS端口pi，基站根据参数transmissionComb中的cyclicShift配置所述SRS端口pi对应的循环移位配置参数则可以基于SRS端口pi对应的循环移位配置参数采用以下公式(19)计算得到SRS端口pi的码域偏移值
在计算得到SRS端口pi的码域偏移值后，可以基于所述SRS端口pi的码域偏移值和循环移位跳跃偏移计算得到S循环移位αi；最后将循环移位αi作为SRS的循环移位位置，发送SRS。
其中，循环移位位置为循环移位αi。
可选地，所述基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi，包括：
基于以下公式(20)-(21)中的任一项，计算得到αi：
或
其中，是SRS端口pi的码域偏移值， 为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位 跳跃偏移值，s(·)由网络侧设备配置，s(·)用于指示所述终端采用循环移位跳跃的情况下映射的循环移位跳跃的位置。
具体来说，在基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi时，可以采用如下公式(22)计算得到循环移位αi：
具体来说，在基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi时，可以采用如下公式(23)计算得到循环移位αi：
其中，为最大的cyclic shift值。是SRS端口pi的码域偏移值，用来保证不同端口之间的正交， 是采用cyclic shift hopping时的cyclic shift值。为采用cyclic shift hopping的终端可以占用的cyclic shift的数目，
其中，s(·)由网络侧设备配置，s(·)用于指示所述终端采用循环移位跳跃的情况下映射的循环移位跳跃的位置；比如，s(x)由基站配置，是采用cyclic shift hopping的终端可以映射到的cyclic shift的位置，s(x)和x一一映射，
假设基站用RRC参数cyclicShift指示采用cyclic shift hopping的终端可以占用的cyclic shift。例如时，RRC参数配置如下：cyclicShift＝2，3，4，5。指示采用cyclic shift hopping的终端只能在cyclic shift 2～5中跳频，此时采用cyclic shift hopping的终端可以占用的资源数目且个cyclic shift中的第一个值映射到cyclic shift 2，第二个值映射到cyclic shift 3，第三个值映射到cyclic shift 4，第四个值映射到cyclic shift 5。这种映射关系在公式中用s(·)表 示，对于第x个值采用cyclic shift hopping的终端映射到cyclic shifts(x)上。
可选地，在终端采用梳状偏移跳频的情况下，所述编号t满足：
其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]，R表示在R个OFDM符号上发送相同的SRS。
可选地，在终端采用循环移位跳跃的情况下，所述编号t满足：
其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]。
图3是本公开实施例提供的SRS发送方法的流程示意图之二，如图3所示，该SRS方法应用于网络侧设备，即执行主体为网络侧设备，比如基站；该SRS方法包括如下步骤：
步骤300，向终端发送配置信息，所述配置信息用于所述终端确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS。
具体来说，网络侧设备可以向终端发送配置信息，配置梳状偏移跳频和/或循环移位跳跃的子集，以使终端基于配置信息确定梳状偏移跳频和/或循环移位跳跃的子集；
可选地，梳状偏移跳频的子集用于限制梳状偏移跳频可以跳跃的值，该子集不包括不支持梳状偏移跳频的终端或SRS可能占用的频域资源；
可选地，循环移位跳跃的子集用于限制循环移位跳跃可以跳跃的值，该子集不包括不支持循环移位跳跃的终端或SRS可能占用的码域资源；
可选地，终端在基于配置信息确定梳状偏移跳频的子集后，可以在梳状偏移跳频的子集内，确定采用梳状偏移跳频的SRS的传输资源，进而发送该SRS；
可选地，终端在基于配置信息确定循环移位跳跃的子集后，可以在循环移位跳跃的子集内，确定采用循环移位跳跃的SRS的传输资源，进而发送该SRS。具体来说，部分终端支持梳状偏移跳频/循环移位跳跃，部分终端不支持梳状偏移跳频/循环移位跳跃等类似方案，当这两类终端进行复用时，梳状偏移跳频和/或循环移位跳跃可能会导致梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳频和/或循环移位跳跃的普通SRS发生碰撞；比如终端采用梳状偏移跳频(comb offset hopping)方式跳频时，可能由于频率资源的跳变与不采用comb offset hopping的终端占用同一频域资源。
为了避免这一情况的发生，网络侧设备可以限制采用comb offset hopping的终端与不采用comb offset hopping的终端占用不同的资源，即不采用comb offset hopping的终端占用一部分资源，采用comb offset hopping的终端占用剩下的一部分资源(subset of comb offset)。即网络侧设备可以为采用comb offset hopping的终端或SRS配置梳状偏移跳频的子集，可以将梳状偏移跳频可以跳跃的值限制在梳状偏移 跳频的子集内，该子集不包括不支持这些跳频方案的终端或SRS可能占用的频域资源。
例如，对于comb 4，若不采用comb offset hopping的终端占用comb offset 0，则采用comb offset hopping的终端只能在comb offset 1，2，3或comb offset 1，2，3的子集上跳频，具体可以在哪几个comb offset上跳频取决于网络侧设备配置。
比如，终端采用循环移位跳变cyclic shift hopping方式跳跃时，可能与不采用cyclic shift hopping的终端占用同一循环移位。为了避免这一情况的发生，可以限制采用cyclic shift hopping的终端与不采用cyclic shift hopping的终端占用不同的循环移位，即不采用cyclic shift hopping的终端占用一部分循环移位，采用cyclic shift hopping的终端占用剩下的一部分循环移位(subset of cyclic shift)。即网络侧设备可以为采用comb offset hopping的终端或SRS配置循环移位跳跃的子集，终端可以将循环移位跳跃可以跳跃的值限制在循环移位跳跃的子集内，该子集不包括不支持这些跳频方案的终端或SRS可能占用的码域资源。
例如，对于最大循环移位值为6的终端，若不采用cyclic shift hopping的终端占用cyclic shift 0，1，则采用cyclic shift hopping的终端只能在cyclic shift 2，3，4，5或cyclic shift 2，3，4，5的子集上跳跃，具体可以在哪几个cyclic shift上跳跃取决于基站配置。
本公开实施例在开启SRS comb offset hopping和/或cyclic shift hopping时，避免与legacy终端冲突，实现资源复用。
本公开实施例提供的SRS发送方法，通过配置SRS对应的梳状偏移跳频和/或循环移位跳跃的子集，以使SRS仅能在子集内进行梳状偏移跳频和/或循环移位跳跃，且该子集不包括不支持梳状偏移跳频和/或循环移位跳跃的终端或SRS可能占用的频域/码域资源，即可以避免梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳 频和/或循环移位跳跃的普通SRS发生碰撞，提高SRS传输性能。
可选地，所述配置信息具体用于指示以下至少一项：
所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，配置信息可以指示采用comb offset hopping的终端可以占用的comb offset；
比如，配置信息可以指示：梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分，即采用comb offset hopping的终端可以占用的comb offset固定为所有comb offset的一部分，比如采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，或1/2±a，a为大于或等于0的整数且a小于所述所有comb offset数量的一半。
比如，配置信息可以指示：梳状偏移跳频的子集包括所有频域资源中的N个频域资源位置，即采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择N个占用，不采用comb offset hopping的终端可以 占用剩下的comb offset。
比如，配置信息可以指示：梳状偏移跳频的子集包括所有频域资源中的前P个频域资源位置，即采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前P个连续的comb offset，不采用comb offset hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示采用cyclic shift hopping的终端可以占用的cyclic shift；
比如，配置信息可以指示：循环移位跳跃的子集中的循环移位为SRS所在的OFDM符号中所有循环移位的部分，即采用cyclic shift hopping的终端可以占用的cyclic shift固定为所有cyclic shift的一部分，比如采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，或1/2±b，b为大于或等于0的整数且b小于所述所有cyclic shift数量的一半。
比如，配置信息可以指示：循环移位跳跃的子集包括所述循环移位中的前Q个码域资源位置，采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前Q个连续的cyclic shift，不采用cyclic shift hopping的终端可以占用剩下的cyclic shift。
比如，配置信息可以指示：循环移位跳跃的子集包括所有循环移位中的M个码域资源位置，采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择M个占用，不采用cyclic shift hopping的终端可以占用剩下的cyclic shift。
可选地，所述配置信息具体用于指示以下一项或多项：
(a)所述梳状偏移跳频的子集中的频域资源为所述SRS所在的正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM) 符号中所有频域资源的部分；
(b)所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
(c)所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的的数量；
(d)所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
(e)所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源中频域位置的数量；
(f)所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，配置信息可以同时指示(a)和(c)、或(a)和(e)、或(c)和(e)、或(a)和(c)和(e)；终端可以结合(a)和(c)、或(a)和(e)、或(c)和(e)的内容确定梳状偏移跳频的子集；或者，终端可以从指示的多项中选取一项用以确定梳状偏移跳频的子集；
可选地，配置信息可以同时指示(b)和(d)、或(b)和(f)、或(d)和(f)、或(b)和(d)和(f)；终端可以结合(b)和(d)、或(b)和(f)、或(d)和(f)的内容确定循环移位跳跃的子集；或者，终端可以从指示的多项中选取一项用以确定循环移位跳跃的子集；
可选地，配置信息可以同时指示(a)-(f)中的任意多项的排列组合，终端可以结合指示的多项的内容确定梳状偏移跳频的子集和/ 或循环移位跳跃的子集，或从指示的多项中选取一项或两项用以确定梳状偏移跳频的子集和/或循环移位跳跃的子集，在此不再一一举例；
比如，配置信息可以指示采用comb offset hopping的终端可以占用的comb offset和采用cyclic shift hopping的终端可以占用的cyclic shift。
可选地，配置信息可以指示：采用comb offset hopping的终端可以占用的comb offset固定为所有comb offset的一部分，比如采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，或1/2±a，a为大于或等于0的整数且a小于所述所有comb offset数量的一半；以及采用cyclic shift hopping的终端可以占用的cyclic shift固定为所有cyclic shift的一部分，比如采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，或1/2±b，b为大于或等于0的整数且b小于所述所有cyclic shift数量的一半。
可选的，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择N个占用；以及采用cyclic shift hopping的终端可以占用的cyclic shift固定为所有cyclic shift的一部分，比如采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，或1/2±b，b为大于或等于0的整数且b小于所述所有cyclic shift数量的一半；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前P个连续的comb offset；以及采用cyclic shift hopping的终端可以占用的cyclic shift固定为所有cyclic shift的一部分，比如采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift 数目的一半，或1/2±b，b为大于或等于0的整数且b小于所述所有cyclic shift数量的一半；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端可以占用的comb offset固定为所有comb offset的一部分，比如采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，或1/2±a，a为大于或等于0的整数且a小于所述所有comb offset数量的一半；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前Q个连续的cyclic shift；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选的，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择N个占用；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前Q个连续的cyclic shift；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前P个连续的comb offset；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前Q个连续的cyclic shift；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端可以占用的comb offset固定为所有comb offset的一部分，比如采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，或1/2±a，a为大于或等于0的整数且a小 于所述所有comb offset数量的一半；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择M个占用；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选的，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择N个占用；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择M个占用；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，配置信息可以指示：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前P个连续的comb offset；以及采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择M个占用；不采用comb offset hopping和/或cyclic shift hopping的终端可以占用剩下的comb offset。
可选地，所述向终端发送配置信息，包括：
使用无线资源控制RRC参数或高层参数，指示所述配置信息。
具体来说，配置信息可以由无线资源控制RRC参数指示，或者，所述配置信息由高层参数指示；其中，在配置信息由RRC参数指示的情况下，梳状偏移跳频和/或循环移位跳跃的子集由RRC参数配置，梳状偏移配置参数或循环移位配置参数由高层参数指示；或者，配置信息由高层参数指示的情况下，梳状偏移跳频和/或循环移位跳跃的子集由高层参数配置，由于高层参数还需要指示梳状偏移配置参数或循环移位配置参数因此可以将梳状偏移配置参数或循环移位配置参数以及梳状偏移跳频和/或循环移位跳跃的子集一起指示；
比如，高层参数可以指示梳状偏移配置参数并同时配置梳状偏移跳频的子集；
比如，高层参数可以指示循环移位配置参数并同时配置循环移位跳跃的子集；
比如，高层参数可以指示梳状偏移配置参数循环移位配置参数并同时配置梳状偏移跳频的子集以及循环移位跳跃的子集。
在一个实施例中，网络侧设备可以使用新的RRC参数配置梳状偏移跳频的子集，RRC参数使用一个或多个整数指定采用comb offset hopping的终端可以占用的comb offset值。
在一个实施例中，网络侧设备可以使用高层参数transmissionComb中的combOffset显式配置，combOffset使用多个整数，第一个整数值指定后面的一组整数指示采用comb offset hopping的终端可以占用的comb offset。其中，
在一个实施例中，网络侧设备可以使用新的RRC参数配置子集，RRC参数使用一个或多个整数指定采用cyclic shift hopping的终端可以占用的cyclic shift值。
在一个实施例中，网络侧设备可以使用高层参数transmissionComb中的cyclicShift显式配置，cyclicShift使用多个整数，第一个整数值指定后面的一组整数指示采用cyclic shift hopping的终端可以占用的cyclic shift值。其中，
本公开实施例提供的SRS发送方法，通过配置SRS对应的梳状偏移跳频和/或循环移位跳跃的子集，以使SRS仅能在子集内进行梳状偏移跳频和/或循环移位跳跃，且该子集不包括不支持梳状偏移跳频和/或循环移位跳跃的终端或SRS可能占用的频域/码域资源，即可以避免梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳 频和/或循环移位跳跃的普通SRS发生碰撞，提高SRS传输性能。
在一个实施例中，假设终端的SRS端口的频域资源映射为comb4，即间隔3个子载波的频域结构，有4个可映射的comb offset，即comb offset 0，1，2，3。该终端发送SRS的流程包括如下步骤：
步骤1a：基站为终端配置梳状偏移跳频的子集。终端接收配置信息，确定梳状偏移跳频的子集。
可选的，配置信息由无线资源控制RRC参数指示，用于配置梳状偏移跳频的子集，RRC参数使用一个或多个整数指定采用comb offset hopping的终端可以占用的comb offset值。
例如，RRC参数配置如下：combSubset＝2，3。指示采用comb offset hopping的终端只能在comb offset 2～3中跳频，此时采用comb offset hopping的终端可以占用的资源数目且个comb offset中的第一个值映射到comb offset 2，第二个值映射到comb offset3。
可选地，配置信息可以配置：采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，即采用comb offset hopping的终端可以占用的comb offset数目只能为2。
可选的，配置信息可以配置：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前几个连续的comb offset，不采用comb offset hopping的终端可以占用剩下的comb offset。
例如，采用comb offset hopping的终端占用comb offset 0，不采用comb offset hopping的终端占用comb offset 1，2，3。
可选的，配置信息可以配置：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择几个占用，不采用comb offset hopping的终端可以占用剩下的comb offset。
例如，RRC参数配置采用comb offset hopping的终端占用comb offset 1，不采用comb offset hopping的终端占用comb offset 0，2，3。
可选的，采用comb offset hopping的终端可以占用的comb offset由高层参数transmissionComb中的combOffset显式配置，combOffset使用多个整数，第一个整数值指定后面的一组整数指示采用comb offset hopping的终端可以占用的comb offset值。其中，
例如，RRC参数配置如下：combOffset＝3，2，3。指示的值为3，采用comb offset hopping的终端只能在comb offset 2～3中跳频，此时采用comb offset hopping的终端可以占用的资源数目且个comb offset中的第一个值映射到comb offset 2，第二个值映射到comb offset 3。
可选的，配置信息可以配置：采用comb offset hopping的终端可以占用的comb offset数目固定为所有comb offset数目的一半，即采用comb offset hopping的终端可以占用的comb offset数目只能为2。
可选的，配置信息可以配置：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端占用前几个连续的comb offset，不采用comb offset hopping的终端可以占用剩下的comb offset。
例如，采用comb offset hopping的终端占用comb offset 0，不采用comb offset hopping的终端占用comb offset 1，2，3。
可选的，配置信息可以配置：采用comb offset hopping的终端占用的资源数目由基站灵活配置，采用comb offset hopping的终端在comb offset中随机选择几个占用，不采用comb offset hopping的终端可以占用剩下的comb offset。
例如，RRC参数配置采用comb offset hopping的终端占用comb offset 1，不采用comb offset hopping的终端占用comb offset 0，2，3。
步骤2a：终端根据配置信息配置的梳状偏移跳频的子集，计算SRS的频域起始位置。
对于SRS端口pi，基站根据参数transmissionComb中的combOffset配置所述SRS端口pi对应的梳状偏移配置参数则可以基于SRS端口pi对应的梳状偏移配置参数采用以下公式(24)计算得到SRS端口pi的梳状偏移值
接着按照以下方式计算当前OFDM符号t的梳状跳频偏移
终端可以基于SRS采用或不采用comb offset hopping，采用不同的确定梳状跳频偏移的方式；
比如，对于采用comb offset hopping的终端，可以采用以下公式(25)计算出梳状跳频偏移
比如，对于采用comb offset hopping的终端，可以采用以下公式(26)计算出梳状跳频偏移
比如，对于采用comb offset hopping的终端，可以采用以下公式(27)计算出梳状跳频偏移
比如，对于不采用comb offset hopping的终端，可以采用以下公式计算出梳状跳频偏移
其中，t为SRS所在的OFDM符号在多个无线帧中的编号t；
mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数。为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置。l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]，R表示在R个OFDM符号上发送相同的SRS。
最后，采用如下公式(28)计算得到所述SRS的频域起始位置
其中，
其中， 或
其中，nshift为一个阈值。为每个RB的子载波数目。是SRS端口pi的频域偏移值，用来保证不同端口之间的正交， 是采用comb offset hopping时的comb offset值。为SRS定位时的偏移值，在发送的SRS用于定位的情况下，的值可以基于相关技术或协议确定，在发送的SRS不用于定位的情况下，为采用comb offset hopping的终端可以占用的comb offset的数目，
其中，s(·)由网络侧设备配置，s(·)用于指示所述终端采用梳状跳频偏移的情况下映射的梳状跳频偏移的位置；比如s(x)是采用 comb offset hopping的终端可以映射到的comb offset的位置，s(x)和x一一映射，
步骤3a：终端按照计算的SRS频域起始位置发送SRS。
步骤4a：对下一个OFDM符号t’，重复步骤2和步骤3，即可确定在OFDM符号t’时SRS占用的频域位置。
在一个实施例中，假设终端的SRS端口的循环移位映射为cyclic shift 8，有8个可映射的cyclic shift，即cyclic shift 0，1，2，3，4，5，6，7。该终端发送SRS的流程包括如下步骤：
步骤1b：基站为终端配置循环移位跳跃的子集。终端接收配置信息，确定循环移位跳跃的子集。
可选的，配置信息由无线资源控制RRC参数指示，用于配置循环移位跳跃的子集，RRC参数使用一个或多个整数指定采用cyclic shift hopping的终端可以占用的cyclic shift值。
例如，RRC参数配置如下：cyclicShift＝2，3，4，5。指示采用cyclic shift hopping的终端只能在cyclic shift 2～5中跳频，此时采用cyclic shift hopping的终端可以占用的资源数目且个cyclic shift中的第一个值映射到cyclic shift 2，第二个值映射到cyclic shift 3，第三个值映射到cyclic shift 4，第四个值映射到cyclic shift 5。
可选地，配置信息可以配置：采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，即采用cyclic shift hopping的终端可以占用的cyclic shift数目只能为2。
可选地，配置信息可以配置：采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前几个连续的cyclic shift，不采用cyclic shift hopping的终端可以占用剩下的cyclic shift。
例如，采用cyclic shift hopping的终端占用cyclic shift 0，1，2， 不采用cyclic shift hopping的终端占用cyclic shift 3，4，5，6，7。
可选地，配置信息可以配置：采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择几个占用，不采用cyclic shift hopping的终端可以占用剩下的cyclic shift。
例如，RRC参数配置采用cyclic shift hopping的终端占用cyclic shift 1，4，不采用cyclic shift hopping的终端占用cyclic shift 0，2，3，5，6，7。
可选地，配置信息可以配置：采用cyclic shift hopping的终端可以占用的cyclic shift由高层参数transmissionComb中的cyclicShift显式配置，cyclicShift使用多个整数，第一个整数值指定后面的一组整数指示采用cyclic shift hopping的终端可以占用的cyclic shift值。其中，
例如，RRC参数配置如下：cyclicShift＝6，2，3，4，5。指示的值为6，采用cyclic shift hopping的终端只能在cyclic shift 2～5中跳频，此时采用cyclic shift hopping的终端可以占用的资源数目且个cyclic shift中的第一个值映射到cyclic shift 2，第二个值映射到cyclic shift 3，第三个值映射到cyclic shift 4，第四个值映射到cyclic shift 5。
可选地，配置信息可以配置：采用cyclic shift hopping的终端可以占用的cyclic shift数目固定为所有cyclic shift数目的一半，即采用cyclic shift hopping的终端可以占用的cyclic shift数目只能为2。
可选地，配置信息可以配置：采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端占用前几个连续的cyclic shift，不采用cyclic shift hopping的终端可以占用剩下的cyclic shift。
例如，采用cyclic shift hopping的终端占用cyclic shift 0，1，2， 不采用cyclic shift hopping的终端占用cyclic shift 3，4，5，6，7。
可选地，配置信息可以配置：采用cyclic shift hopping的终端占用的资源数目由基站灵活配置，采用cyclic shift hopping的终端在cyclic shift中随机选择几个占用，不采用cyclic shift hopping的终端可以占用剩下的cyclic shift。
例如，RRC参数配置采用cyclic shift hopping的终端占用cyclic shift 1，4，不采用cyclic shift hopping的终端占用cyclic shift 0，2，3，5，6，7。
步骤2b：终端根据配置信息配置的循环移位跳跃的子集，计算SRS的循环移位。
具体来说，对于SRS端口pi，基站根据参数transmissionComb中的cyclicShift配置所述SRS端口pi对应的循环移位配置参数则可以基于SRS端口pi对应的循环移位配置参数采用以下公式(29)计算得到SRS端口pi的码域偏移值
接着按照以下方式计算出当前OFDM符号t的循环移位跳跃偏移
终端可以基于SRS采用或不采用cyclic shift hopping，采用不同的确定循环移位跳跃偏移的方式；
比如，对于采用cyclic shift hopping的终端，可以采用以下公式(30)计算出循环移位跳跃偏移
比如，对于采用cyclic shift hopping的终端，可以采用以下公式 (31)计算出循环移位跳跃偏移
比如，对于采用cyclic shift hopping的终端，可以采用以下公式(32)计算出循环移位跳跃偏移
比如，对于不采用cyclic shift hopping的终端，可以采用以下公式计算出循环移位跳跃偏移
其中，t为SRS所在的OFDM符号在多个无线帧中的编号t， mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数。为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置。l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]。
最后基于公式(33)或公式(34)计算循环移位αi：
或
其中，是SRS端口pi的码域偏移值， 为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，s(·)由网络侧设备配置，s(·)用于指示所述终端采用循环移位跳跃的情况下映射的循环移位跳跃的位置。
步骤3：终端按照计算的SRS循环移位发送SRS。
步骤4：对下一个OFDM符号t’，重复步骤2和步骤3，即可确定在OFDM符号t’时SRS占用的循环移位。
本公开实施例涉及的终端设备，可以是指向用户提供语音和/或数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备等。在不同的系统中，终端设备的名称可能也不相同，例如在5G系统中，终端设备可以称为用户设备(User Equipment，UE)。无线终端设备可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网(Core Network，CN)进行通信，无线终端设备可以是移动终端设备，如移动电话(或称为“蜂窝”电话)和具有移动终端设备的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，个人通信业务(Personal Communication Service，PCS)电话、无绳电话、会话发起协议(Session Initiated Protocol，SIP)话机、无线本地环路(Wireless Local Loop，WLL)站、个人数字助理(Personal Digital Assistant，PDA)等设备。无线终端设备也可以称为系统、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点(access point)、远程终端设备(remote terminal)、接入终端设备(access terminal)、用户终端设备(user terminal)、用户代理(user agent)、用户装置(user device)，本公开实施例中并不限定。
本公开实施例涉及的网络设备，可以是基站，该基站可以包括多个为终端提供服务的小区。根据具体应用场合不同，基站又可以称为接入点，或者可以是接入网中在空中接口上通过一个或多个扇区与无线终端设备通信的设备，或者其它名称。网络设备可用于将收到的空中帧与网际协议(Internet Protocol，IP)分组进行相互更换，作为无线终端设备与接入网的其余部分之间的路由器，其中接入网的其余部 分可包括网际协议(IP)通信网络。网络设备还可协调对空中接口的属性管理。例如，本公开实施例涉及的网络设备可以是全球移动通信系统(Global System for Mobile communications，GSM)或码分多址接入(Code Division Multiple Access，CDMA)中的网络设备(Base Transceiver Station，BTS)，也可以是带宽码分多址接入(Wide-band Code Division Multiple Access，WCDMA)中的网络设备(NodeB)，还可以是长期演进(long term evolution，LTE)系统中的演进型网络设备(evolutional Node B，eNB或e-NodeB)、5G网络架构(next generation system)中的5G基站(gNB)，也可以是家庭演进基站(Home evolved Node B，HeNB)、中继节点(relay node)、家庭基站(femto)、微微基站(pico)等，本公开实施例中并不限定。在一些网络结构中，网络设备可以包括集中单元(centralized unit，CU)节点和分布单元(distributed unit，DU)节点，集中单元和分布单元也可以地理上分开布置。
图4是本公开实施例提供的一种终端的结构示意图，如图4所示，所述终端包括存储器420，收发机400，处理器410，其中：
存储器420，用于存储计算机程序；收发机400，用于在所述处理器410的控制下收发数据；处理器410，用于读取所述存储器420中的计算机程序并执行以下操作：
接收网络侧设备发送的配置信息；
根据所述配置信息确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS；
在所述梳状偏移跳频和/或循环移位跳跃的子集内，发送所述采用梳状偏移跳频和/或循环移位跳跃的SRS。
具体地，收发机400，用于在处理器410的控制下接收和发送数据。
其中，在图4中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器410代表的一个或多个处理器和存储器420代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机400可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元，这些传输介质包括无线信道、有线信道、光缆等传输介质。针对不同的用户设备，用户接口430还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器410负责管理总线架构和通常的处理，存储器420可以存储处理器410在执行操作时所使用的数据。
可选的，处理器410可以是中央处理器(Central Processing Unit，CPU)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field－Programmable Gate Array，FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device，CPLD)，处理器也可以采用多核架构。
处理器通过调用存储器存储的计算机程序，用于按照获得的可执行指令执行本公开实施例提供的任一所述方法。处理器与存储器也可以物理上分开布置。
可选地，所述配置信息具体用于指示以下至少一项：
所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位 置的总数；
所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，所述配置信息由无线资源控制RRC参数指示，或者，所述配置信息由高层参数指示。
可选地，处理器410具体用于：
在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置；
在所述频域起始位置发送所述SRS。
可选地，处理器410具体用于：
基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移；其中，y为大于或等于8的整数；
基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置。
可选地，处理器410具体用于：
基于以下任一项，计算得到所述梳状跳频偏移


其中，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，KTC为SRS资源频域 映射时的梳值，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
可选地，处理器410具体用于：
基于梳状偏移配置参数计算得到SRS端口pi的梳状偏移值
基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值
基于所述计算得到所述SRS的频域起始位置。
可选地，处理器410具体用于：
基于以下任一项，计算得到SRS端口pi的频域位置偏移值
或
其中，nshift为预设阈值，为每个RB的子载波数目， KTC为SRS资源频域映射时的梳值，为SRS定位时的偏移值，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，s(·)由网络侧设备配置，s(·)用于指示所述终端采用梳状跳频偏移的情况下映射的梳状跳频偏移的位置。
可选地，处理器410具体用于：
在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置；
在所述循环移位位置发送所述SRS。
可选地，处理器410具体用于：
基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进 制整数，得到循环移位跳跃偏移；
基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置。
可选地，处理器410具体用于：
基于以下任一项，计算得到所述循环移位跳跃偏移


其中，为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
可选地，处理器410具体用于：
基于循环移位配置参数计算得到SRS端口pi的码域偏移值
基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi；
基于所述循环移位αi，确定所述SRS的循环移位位置。
可选地，处理器410具体用于：
基于以下任一项，计算得到αi：
或
其中，是SRS端口pi的码域偏移值， 为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，s(·)由网络侧设备配置，s(·)用于指示所述终端采用循环移位跳跃的情况下映射的循环移位跳跃的位置。
可选地，在终端采用梳状偏移跳频的情况下，所述编号t满足：
其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]，R表示在R个OFDM符号上发送相同的SRS。
可选地，在终端采用循环移位跳跃的情况下，所述编号t满足：
其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，c0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]。
在此需要说明的是，本发明实施例提供的上述终端，能够实现上述执行主体为终端的方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
图5是本公开实施例提供的一种网络侧设备的结构示意图，如图5所示，所述网络侧设备包括存储器520，收发机500，处理器510，其中：
存储器520，用于存储计算机程序；收发机500，用于在所述处理器510的控制下收发数据；处理器510，用于读取所述存储器520中的计算机程序并执行以下操作：
向终端发送配置信息，所述配置信息用于所述终端确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS。
具体地，收发机500，用于在处理器510的控制下接收和发送数据。
其中，在图5中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器510代表的一个或多个处理器和存储器520代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机500可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元，这些传输介质包括无线信道、有线信道、光缆等传输介质。处理器510负责管理总线架构和通常的处理，存储器520可以存储处理器510在执行操作时所使用的数据。
处理器510可以是中央处理器(Central Processing Unit，CPU)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field－Programmable Gate Array，FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device，CPLD)，处理器也可以采用多核架构。
可选地，所述配置信息具体用于指示以下至少一项：
所述梳状偏移跳频的子集中的频域资源为所述SRS所在的 OFDM符号中所有频域资源的部分；
所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，处理器510具体用于：
使用无线资源控制RRC参数或高层参数，指示所述配置信息。
在此需要说明的是，本公开实施例提供的上述网络侧设备，能够实现上述执行主体为网络侧设备的方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
图6是本公开实施例提供的SRS发送装置的结构示意图之一，如图6所示，该SRS发送装置600包括：
配置信息接收模块610，用于接收网络侧设备发送的配置信息；根据所述配置信息确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS；
SRS发送模块620，用于在所述梳状偏移跳频和/或循环移位跳跃的子集内，发送所述采用梳状偏移跳频和/或循环移位跳跃的SRS。
可选地，所述配置信息具体用于指示以下至少一项：
所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，所述配置信息由无线资源控制RRC参数指示，或者，所述配置信息由高层参数指示。
可选地，SRS发送模块具体用于：
在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置；
在所述频域起始位置发送所述SRS。
可选地，SRS发送模块具体用于：
基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移；其中，y为大于或等于8的整数；
基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置。
可选地，SRS发送模块具体用于：
基于以下任一项，计算得到所述梳状跳频偏移


其中，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，KTC为SRS资源频域映射时的梳值，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
可选地，SRS发送模块具体用于：
基于梳状偏移配置参数计算得到SRS端口pi的梳状偏移值
基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值
基于所述计算得到所述SRS的频域起始位置。
可选地，SRS发送模块具体用于：
基于以下任一项，计算得到SRS端口pi的频域位置偏移值
或
其中，nshift为预设阈值，为每个RB的子载波数目， KTC为SRS资源频域映射时的梳值，为SRS定位时的偏移值，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，s(·)由网络侧设备配置，s(·)用于指示所述终端采用梳状跳频偏移的情况下映射的梳状跳频偏移的位置。
可选地，SRS发送模块具体用于：
在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置；
在所述循环移位位置发送所述SRS。
可选地，SRS发送模块具体用于：
基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移；
基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置。
可选地，SRS发送模块具体用于：
基于以下任一项，计算得到所述循环移位跳跃偏移


其中，为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
可选地，SRS发送模块具体用于：
基于循环移位配置参数计算得到SRS端口pi的码域偏移值
基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi；
基于所述循环移位αi，确定所述SRS的循环移位位置。
可选地，SRS发送模块具体用于：
基于以下任一项，计算得到αi：
或
其中，是SRS端口pi的码域偏移值， 为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，s(·)由网络侧设备配置，s(·)用于指示所述终端采用循环移位跳跃的情况下映射的循环移位跳跃的位置。
可选地，在终端采用梳状偏移跳频的情况下，所述编号t满足：
其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]，R表示在R个OFDM符号上发送相同的SRS。
可选地，在终端采用循环移位跳跃的情况下，所述编号t满足：
其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，c0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS 所占OFDM符号数-1]。
本公开实施例提供的SRS发送装置，通过配置SRS对应的梳状偏移跳频和/或循环移位跳跃的子集，以使SRS仅能在子集内进行梳状偏移跳频和/或循环移位跳跃，且该子集不包括不支持梳状偏移跳频和/或循环移位跳跃的UE/SRS可能占用的频域/码域资源，即可以避免梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳频和/或循环移位跳跃的普通SRS发生碰撞，提高SRS传输性能。
需要说明的是，本公开实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个处理器可读取存储介质中。基于这样的理解，本公开的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本公开各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
在此需要说明的是，本发明实施例提供的上述装置，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
图7是本公开实施例提供的SRS发送装置的结构示意图之二，如图7所示，该SRS发送装置700包括：
配置信息发送模块710，用于向终端发送配置信息，所述配置信息用于所述终端确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS。
可选地，所述配置信息具体用于指示以下至少一项：
所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
可选地，配置信息发送模块710具体用于：
使用无线资源控制RRC参数或高层参数，指示所述配置信息。
本公开实施例提供的SRS发送装置，通过配置SRS对应的梳状偏移跳频和/或循环移位跳跃的子集，以使SRS仅能在子集内进行梳状偏移跳频和/或循环移位跳跃，且该子集不包括不支持梳状偏移跳频和/或循环移位跳跃的UE/SRS可能占用的频域/码域资源，即可以避免梳状偏移跳频和/或循环移位跳跃的SRS与不进行梳状偏移跳频 和/或循环移位跳跃的普通SRS发生碰撞，提高SRS传输性能。
需要说明的是，本公开实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个处理器可读取存储介质中。基于这样的理解，本公开的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本公开各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
在此需要说明的是，本发明实施例提供的上述装置，能够实现上述方法实施例所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
另一方面，本公开实施例还提供一种处理器可读存储介质，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行上述各实施例提供的方法。
所述处理器可读存储介质可以是处理器能够存取的任何可用介质或数据存储设备，包括但不限于磁性存储器(例如软盘、硬盘、磁带、磁光盘(MO)等)、光学存储器(例如CD、DVD、BD、HVD 等)、以及半导体存储器(例如ROM、EPROM、EEPROM、非易失性存储器(NAND FLASH)、固态硬盘(SSD))等。
本领域内的技术人员应明白，本公开的实施例可提供为方法、系统、或计算机程序产品。因此，本公开可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本公开是参照根据本公开实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机可执行指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机可执行指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些处理器可执行指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的处理器可读存储器中，使得存储在该处理器可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些处理器可执行指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不 脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (40)

  1. 一种SRS发送方法，应用于终端，所述方法包括：
    接收网络侧设备发送的配置信息；
    根据所述配置信息确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS；
    在所述梳状偏移跳频和/或循环移位跳跃的子集内，发送所述采用梳状偏移跳频和/或循环移位跳跃的SRS。
  2. 根据权利要求1所述的SRS发送方法，其中，所述配置信息具体用于指示以下至少一项：
    所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
    所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
    所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
    所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
    所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
    所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
  3. 根据权利要求2所述的SRS发送方法，其中，所述配置信息由无线资源控制RRC参数指示，或者，所述配置信息由高层参数指示。
  4. 根据权利要求1-3任一项所述的SRS发送方法，其中，所述 在所述梳状偏移跳频的子集内，发送SRS，包括：
    在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置；
    在所述频域起始位置发送所述SRS。
  5. 根据权利要求4所述的SRS发送方法，其中，所述在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置，包括：
    基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移；其中，y为大于或等于8的整数；
    基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置。
  6. 根据权利要求5所述的SRS发送方法，其中，所述将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移，包括：
    基于以下任一项，计算得到所述梳状跳频偏移


    其中，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，KTC为SRS资源频域映射时的梳值，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
  7. 根据权利要求5所述的SRS发送方法，其中，所述基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置，包括：
    基于梳状偏移配置参数计算得到SRS端口pi的梳状偏移值
    基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值
    基于所述计算得到所述SRS的频域起始位置。
  8. 根据权利要求7所述的SRS发送方法，其中，所述基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值包括：
    基于以下任一项，计算得到SRS端口pi的频域位置偏移值
    或
    其中，nshift为预设阈值，为每个RB的子载波数目， KTC为SRS资源频域映射时的梳值，为SRS定位时的偏移值，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，s(·)由网络侧设备配置，s(·)用于指示所述终端采用梳状跳频偏移的情况下映射的梳状跳频偏移的位置。
  9. 根据权利要求1-4任一项所述的SRS发送方法，其中，所述在所述循环移位跳跃的子集内，发送SRS，包括：
    在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置；
    在所述循环移位位置发送所述SRS。
  10. 根据权利要求9所述的SRS发送方法，其中，所述在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置，包括：
    基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移；
    基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置。
  11. 根据权利要求10所述的SRS发送方法，其中，所述将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移，包括：
    基于以下任一项，计算得到所述循环移位跳跃偏移


    其中，为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
  12. 根据权利要求10所述的SRS发送方法，其中，所述基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置，包括：
    基于循环移位配置参数计算得到SRS端口pi的码域偏移值
    基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi；
    基于所述循环移位αi，确定所述SRS的循环移位位置。
  13. 根据权利要求12所述的SRS发送方法，其中，所述基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移 计算得到循环移位αi，包括：
    基于以下任一项，计算得到αi：
    或
    其中，是SRS端口pi的码域偏移值， 为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，s(·)由网络侧设备配置，s(·)用于指示所述终端采用循环移位跳跃的情况下映射的循环移位跳跃的位置。
  14. 根据权利要求5或6所述的SRS发送方法，其中，在终端采用梳状偏移跳频的情况下，所述编号t满足：
    其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]，R表示在R个OFDM符号上发送相同的SRS。
  15. 根据权利要求10或11所述的SRS发送方法，其中，在终端采用循环移位跳跃的情况下，所述编号t满足：
    其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个 无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]。
  16. 一种SRS发送方法，应用于网络侧设备，所述方法包括：
    向终端发送配置信息，所述配置信息用于所述终端确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS。
  17. 根据权利要求16所述的SRS发送方法，其中，所述配置信息具体用于指示以下至少一项：
    所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
    所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
    所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
    所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
    所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
    所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
  18. 根据权利要求16或17所述的SRS发送方法，其中，所述向终端发送配置信息，包括：
    使用无线资源控制RRC参数或高层参数，指示所述配置信息。
  19. 一种终端，包括存储器，收发机，处理器：
    存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
    接收网络侧设备发送的配置信息；
    根据所述配置信息确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS；
    在所述梳状偏移跳频和/或循环移位跳跃的子集内，发送所述采用梳状偏移跳频和/或循环移位跳跃的SRS。
  20. 根据权利要求19所述的终端，其中，所述配置信息具体用于指示以下至少一项：
    所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
    所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
    所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
    所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
    所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
    所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
  21. 根据权利要求20所述的终端，其中，所述配置信息由无线资源控制RRC参数指示，或者，所述配置信息由高层参数指示。
  22. 根据权利要求19-21任一项所述的终端，其中，所述在所述梳状偏移跳频的子集内，发送SRS，包括：
    在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置；
    在所述频域起始位置发送所述SRS。
  23. 根据权利要求22所述的终端，其中，所述在所述梳状偏移跳频的子集内确定所述终端采用梳状偏移跳频的情况下发送所述SRS的频域起始位置，包括：
    基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移；其中，y为大于或等于8的整数；
    基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置。
  24. 根据权利要求23所述的终端，其中，所述将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到梳状跳频偏移，包括：
    基于以下任一项，计算得到所述梳状跳频偏移


    其中，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，KTC为SRS资源频域映射时的梳值，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
  25. 根据权利要求23所述的终端，其中，所述基于所述配置信息和所述梳状跳频偏移，得到所述SRS的频域起始位置，包括：
    基于梳状偏移配置参数计算得到SRS端口pi的梳状偏移值
    基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值
    基于所述计算得到所述SRS的频域起始位置。
  26. 根据权利要求25所述的终端，其中，所述基于所述SRS端口pi的梳状偏移值和梳状跳频偏移计算得到SRS端口pi的频域位置偏移值包括：
    基于以下任一项，计算得到SRS端口pi的频域位置偏移值
    或
    其中，nshift为预设阈值，为每个RB的子载波数目， KTC为SRS资源频域映射时的梳值，为SRS定位时的偏移值，为所述终端采用梳状跳频偏移的情况下可以占用的频域位置的数量，s(·)由网络侧设备配置，s(·)用于指示所述终端采用梳状跳频偏移的情况下映射的梳状跳频偏移的位置。
  27. 根据权利要求19-22任一项所述的终端，其中，所述在所述循环移位跳跃的子集内，发送SRS，包括：
    在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置；
    在所述循环移位位置发送所述SRS。
  28. 根据权利要求27所述的终端，其中，所述在所述循环移位跳跃的子集内确定所述终端采用循环移位跳跃的情况下发送所述SRS的循环移位位置，包括：
    基于所述SRS所在的OFDM符号在多个无线帧中的编号t，将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移；
    基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置。
  29. 根据权利要求28所述的终端，其中，所述将所述SRS的序列中的t时刻对应的y位二进制伪随机序列转化成十进制整数，得到循环移位跳跃偏移，包括：
    基于以下任一项，计算得到所述循环移位跳跃偏移


    其中，为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，c(y*t+m)用于表示所述SRS的序列中的t时刻对应的y位二进制伪随机序列，m为计算所述梳状跳频偏移时的中间量，m∈[0，y-1]。
  30. 根据权利要求28所述的终端，其中，所述基于所述配置信息和所述循环移位跳跃偏移，得到所述SRS的循环移位位置，包括：
    基于循环移位配置参数计算得到SRS端口pi的码域偏移值
    基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi；
    基于所述循环移位αi，确定所述SRS的循环移位位置。
  31. 根据权利要求30所述的终端，其中，所述基于所述SRS端口pi的码域偏移值和所述循环移位跳跃偏移计算得到循环移位αi，包括：
    基于以下任一项，计算得到αi：
    或
    其中，是SRS端口pi的码域偏移值， 为所述终端采用循环移位跳跃的情况下可以占用的频域位置的数量，为最大的循环移位跳跃偏移值，s(·)由网络侧设备配置，s(·)用于指示所述终端采用循环移位跳跃的情况下映射的循环移位跳跃的位置。
  32. 根据权利要求23或24所述的终端，其中，在终端采用梳状偏移跳频的情况下，所述编号t满足：
    其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]，R表示在R个OFDM符号上发送相同的SRS。
  33. 根据权利要求28或29所述的终端，其中，在终端采用循环移位跳跃的情况下，所述编号t满足：
    其中，mod(SFN，N)是当前的无线帧号，为一个无线帧的slot数，为一个slot的OFDM符号数，为一个无线帧的OFDM符号数；为一个无线帧中的时隙编号，为 一个slot的OFDM符号数，为SRS占据的slot前有多少个OFDM符号，l0为一个slot中SRS的起始的OFDM符号位置；l′为当前OFDM符号在SRS所占OFDM符号数中的编号，l′∈[0，SRS所占OFDM符号数-1]。
  34. 一种网络侧设备，包括存储器，收发机，处理器：
    存储器，用于存储计算机程序；收发机，用于在所述处理器的控制下收发数据；处理器，用于读取所述存储器中的计算机程序并执行以下操作：
    向终端发送配置信息，所述配置信息用于所述终端确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS。
  35. 根据权利要求34所述的网络侧设备，其中，所述配置信息具体用于指示以下至少一项：
    所述梳状偏移跳频的子集中的频域资源为所述SRS所在的OFDM符号中所有频域资源的部分；
    所述循环移位跳跃的子集中的循环移位为所述SRS所在的OFDM符号中所有循环移位的部分；
    所述梳状偏移跳频的子集包括所述所有频域资源中的N个频域资源位置，N为大于0的整数且N小于所述所有频域资源中频域位置的总数；
    所述循环移位跳跃的子集包括所述所有循环移位中的M个码域资源位置，M为大于0的整数且M小于所述所有循环移位的数量；
    所述梳状偏移跳频的子集包括所述所有频域资源中的前P个频域资源位置，P为大于0的整数且P小于所述所有频域资源的数量；
    所述循环移位跳跃的子集包括所述所有循环移位中的前Q个码域资源位置，Q为大于0的整数且Q小于所述所有循环移位的数量。
  36. 根据权利要求34或35所述的网络侧设备，其中，所述向终 端发送配置信息，包括：
    使用无线资源控制RRC参数或高层参数，指示所述配置信息。
  37. 一种SRS发送装置，包括：
    配置信息接收模块，用于接收网络侧设备发送的配置信息；根据所述配置信息确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS；
    SRS发送模块，用于在所述梳状偏移跳频和/或循环移位跳跃的子集内，发送所述采用梳状偏移跳频和/或循环移位跳跃的SRS。
  38. 一种SRS发送装置，包括：
    配置信息发送模块，用于向终端发送配置信息，所述配置信息用于所述终端确定梳状偏移跳频和/或循环移位跳跃的子集，所述梳状偏移跳频和/或循环移位跳跃的子集专用于传输采用梳状偏移跳频和/或循环移位跳跃的SRS。
  39. 一种处理器可读存储介质，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行权利要求1至15任一项所述的方法。
  40. 一种处理器可读存储介质，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行权利要求16至18任一项所述的方法。
PCT/CN2024/103379 2023-08-11 2024-07-03 Srs发送方法、装置、终端、网络侧设备及存储介质 Pending WO2025035993A1 (zh)

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