Sounding reference signal transmission method and apparatus
A communication method and apparatus. The communication method includes: A terminal device transmits first capability information to a first network device, where the first capability information indicates that the terminal device supports sending a sounding reference signal (SRS) by using a maximum of a first bandwidth size of bandwidth; the terminal device transmits second capability information to a second network device, where the second capability information indicates that the terminal device supports sending data or control information by using a maximum of a second bandwidth size of bandwidth; the terminal device obtains first configuration information indicating that a size of bandwidth configured for the SRS is not greater than the first bandwidth size; and the terminal device obtains second configuration information indicating that a size of bandwidth configured for the data or control information is not greater than the second bandwidth size.
1 . A communication method performed by a terminal device or a chip in the terminal device, the method comprising:
transmitting first capability information indicating a first bandwidth size which is a maximum bandwidth supported by the terminal device for sending a sounding reference signal (SRS);
transmitting second capability information indicating a second bandwidth size which is a maximum bandwidth supported by the terminal device for sending data or control information, wherein the first bandwidth size is greater than the second bandwidth size;
obtaining first configuration information, wherein a size of bandwidth for the SRS indicated by the first configuration information is not greater than the first bandwidth size; and
obtaining second configuration information, wherein a size of bandwidth for the data or control information indicated by the second configuration information is not greater than the second bandwidth size.
2 . The method according to claim 1 , wherein the first bandwidth size belongs to a first bandwidth size set, and at least one bandwidth size in the first bandwidth size set is greater than the second bandwidth size.
3 . The method according to claim 1 , wherein the method further comprises:
sending third capability information indicating one or both of:
whether the terminal device supports sending and/or receiving the SRS in a carrier aggregation manner; or
the terminal device supports sending and/or receiving the SRS using a maximum of M carriers, wherein M is a positive integer.
4 . The method according to claim 1 , wherein the method further comprises:
sending fourth capability information indicating one of:
the terminal device does not support sending and/or receiving the data or control information in a carrier aggregation manner; or
the terminal device supports sending and/or receiving the data or control information using a maximum of N carriers, wherein N is a positive integer.
5 . The method according to claim 4 , wherein N is less than M; or N is not greater than M.
6 . The method according to claim 1 , wherein the first capability information is transmitted to a base station or a location management function (LMF), and the second capability information is transmitted to a base station.
7 . A non-transitory computer-readable media storing instructions that configure at least one processor, upon execution of the instructions to perform:
transmitting first capability information indicating a first bandwidth size which is a maximum bandwidth supported by a terminal device for sending a sounding reference signal (SRS);
transmitting second capability information indicating a second bandwidth size which is a maximum bandwidth supported by the terminal device for sending data or control information, wherein the first bandwidth size is greater than the second bandwidth size;
obtaining first configuration information, wherein a size of bandwidth for the SRS indicated by the first configuration information is not greater than the first bandwidth size; and
obtaining second configuration information wherein a size of bandwidth for the data or control information indicated by the second configuration information is not greater than the second bandwidth size.
8 . The computer-readable media according to claim 7 , wherein the first bandwidth size belongs to a first bandwidth size set, and at least one bandwidth size in the first bandwidth size set is greater than the second bandwidth size.
9 . The computer-readable media according to claim 7 , wherein the at least one processor further executes the instructions to perform the step of:
sending third capability information indicating one or both of:
whether the terminal device supports sending and/or receiving the SRS in a carrier aggregation manner; or
the terminal device supports sending and/or receiving the SRS using a maximum of M carriers, wherein M is a positive integer.
10 . The computer-readable media according to claim 7 , wherein the at least one processor further executes the instructions to perform the step of:
sending fourth capability information indicating one of:
the terminal device does not support sending and/or receiving the data or control information in a carrier aggregation manner; or
the terminal device supports sending and/or receiving the data or control information using a maximum of N carriers, wherein N is a positive integer.
11 . The computer-readable media according to claim 10 , wherein N is less than M; or
N is not greater than M.
12 . The computer-readable storage medium according to claim 7 , wherein the first capability information is transmitted to a base station or a location management function (LMF), the second capability information is transmitted to a base station.
13 . An apparatus, comprising:
a memory storing instructions; and
at least one processor in communication with the memory, the at least one processor is configured, upon execution of the instructions, to perform the following steps:
transmitting first capability information indicating a first bandwidth size which is a maximum bandwidth supported by a terminal device for sending a sounding reference signal (SRS);
transmitting second capability information indicating a second bandwidth size which is a maximum bandwidth supported by the terminal device for sending data or control information, wherein the first bandwidth size is greater than the second bandwidth size;
obtaining first configuration information, wherein a size of bandwidth for the SRS indicated by the first configuration information is not greater than the first bandwidth size; and
obtaining second configuration information, wherein a size of bandwidth for the data or control information indicated by the second configuration information is not greater than the second bandwidth size.
14 . The apparatus according to claim 13 , wherein the first bandwidth size belongs to a first bandwidth size set, and at least one bandwidth size in the first bandwidth size set is greater than the second bandwidth size.
15 . The apparatus according to claim 13 , wherein the at least one processor further executes the instructions to perform the step of:
sending third capability information indicating one or both of:
whether the terminal device supports sending and/or receiving the SRS in a carrier aggregation manner; or
the terminal device supports sending and/or receiving the SRS using a maximum of M carriers, wherein M is a positive integer.
16 . The apparatus according to claim 13 , wherein the at least one processor further executes the instructions to perform the step of:
sending fourth capability information indicating one of:
the terminal device does not support sending and/or receiving the data or control information in a carrier aggregation manner; or
the terminal device supports sending and/or receiving the data or control information by using a maximum of N carriers, wherein N is a positive integer.
17 . The apparatus according to claim 16 , wherein N is less than M; or
N is not greater than M.
18 . The apparatus according to claim 13 , wherein the first capability information is transmitted to a base station or a location management function (LMF), the second capability information is transmitted to a base station.