Signal sending method and apparatus, and terminal and network-side device

Patent metadata

Field	Value
Publication number	US-2025254633-A1
Application number	US-202519188044-A
Country	US
Kind code	A1
Filing date	Apr 24, 2025
Priority date	Oct 25, 2022
Publication date	Aug 7, 2025
Grant date	—

Abstract

Provided are a signal sending method and apparatus, a terminal, and a network-side device. The signal sending method includes: determining an upper power spectral density limit and/or a power spectral density for sending a first signal, by a first terminal based on first information; and sending, by the first terminal, the first signal based on the upper power spectral density limit and/or the power spectral density.

First claim

1 . A signal sending method, comprising:
determining an upper power spectral density limit and/or a power spectral density for sending a first signal, by a first terminal based on first information; and sending, by the first terminal, the first signal based on the upper power spectral density limit and/or the power spectral density, wherein the first information comprises at least one of the following: the upper power spectral density limit and/or the power spectral density for sending the first signal; a relationship between the upper power spectral density limit and reference signal received power RSRP, and/or a relationship between the power spectral density and reference signal received power RSRP; a relationship between the upper power spectral density limit and a pathloss, and/or a relationship between the power spectral density and a pathloss; a relationship between the upper power spectral density limit and a terminal received beam, and/or a relationship between the power spectral density and a terminal received beam; a relationship between the upper power spectral density limit and a service type, and/or a relationship between the power spectral density and a service type; a relationship between the upper power spectral density limit and a service priority, and/or a relationship between the power spectral density and a service priority; a relationship between the upper power spectral density limit and a service congestion degree, and/or a relationship between the power spectral density and a service congestion degree; a relationship between the upper power spectral density limit and received signal strength, and/or a relationship between the power spectral density and received signal strength; a relationship between the upper power spectral density limit and a channel busy degree, and/or a relationship between the power spectral density and a channel busy degree; a relationship between the upper power spectral density limit and information about a time domain location for sending the first signal, and/or a relationship between the power spectral density and information about a time domain location for sending the first signal; a relationship between the upper power spectral density limit and information about a frequency domain location for sending the first signal, and/or a relationship between the power spectral density and information about a frequency domain location for sending the first signal; transmit power and/or maximum transmit power for sending the first signal; or information about a frequency domain width for sending the first signal, wherein the information about the frequency domain width comprises at least one of the following: a bandwidth, a quantity of physical resource blocks, or a sub-channel size.

2 . The method according to claim 1 , wherein
each terminal corresponds to first information of the terminal; each frequency band corresponds to first information of the frequency band; each carrier group corresponds to first information of the carrier group; each carrier corresponds to first information of the carrier; each bandwidth part corresponds to first information of the bandwidth part; or each resource pool corresponds to first information of the resource pool.

3 . The method according to claim 1 , wherein the first information is carried by at least one of the following sent by a network-side device:
radio resource control RRC signaling; medium access control MAC signaling; or downlink control information DCI signaling.

4 . The method according to claim 1 , wherein the first information is carried by at least one of the following sent by a second terminal:
radio resource control RRC signaling; medium access control MAC signaling; or physical layer signaling.

5 . The method according to claim 1 , wherein the first signal is a signal transmitted based on one of the following:
a sidelink; WiFi; ultra-wideband transmission; a heterogeneous network; cellular communication; or Bluetooth transmission.

6 . A signal sending method, comprising:
sending, by a network-side device, first information to a first terminal, wherein the first information is used to indicate, to the first terminal, an upper power spectral density limit and/or a power spectral density for sending a first signal, wherein the first information comprises at least one of the following: the upper power spectral density limit and/or the power spectral density for sending the first signal; a relationship between the upper power spectral density limit and reference signal received power RSRP, and/or a relationship between the power spectral density and reference signal received power RSRP; a relationship between the upper power spectral density limit and a pathloss, and/or a relationship between the power spectral density and a pathloss; a relationship between the upper power spectral density limit and a terminal received beam, and/or a relationship between the power spectral density and a terminal received beam; a relationship between the upper power spectral density limit and a service type, and/or a relationship between the power spectral density and a service type; a relationship between the upper power spectral density limit and a service priority, and/or a relationship between the power spectral density and a service priority; a relationship between the upper power spectral density limit and a service congestion degree, and/or a relationship between the power spectral density and a service congestion degree; a relationship between the upper power spectral density limit and received signal strength, and/or a relationship between the power spectral density and received signal strength; a relationship between the upper power spectral density limit and a channel busy degree, and/or a relationship between the power spectral density and a channel busy degree; a relationship between the upper power spectral density limit and information about a time domain location for sending the first signal, and/or a relationship between the power spectral density and information about a time domain location for sending the first signal; a relationship between the upper power spectral density limit and information about a frequency domain location for sending the first signal, and/or a relationship between the power spectral density and information about a frequency domain location for sending the first signal; transmit power and/or maximum transmit power for sending the first signal; or information about a frequency domain width for sending the first signal, wherein the information about the frequency domain width comprises at least one of the following: a bandwidth, a quantity of physical resource blocks, or a sub-channel size.

7 . The method according to claim 6 , wherein a resource scheduled by the network-side device for the first signal overlaps another scheduled resource.

8 . The method according to claim 6 , wherein
each terminal corresponds to first information of the terminal; each frequency band corresponds to first information of the frequency band; each carrier group corresponds to first information of the carrier group; each carrier corresponds to first information of the carrier; each bandwidth part corresponds to first information of the bandwidth part; or each resource pool corresponds to first information of the resource pool.

9 . The method according to claim 6 , wherein the first information is carried by at least one of the following:
radio resource control RRC signaling; medium access control MAC signaling; or downlink control information DCI signaling.

10 . The method according to claim 6 , wherein the first signal is a signal

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Liu Yinhui
• Li Gen
• Ji Zichao
• He Zijian

Classifications

• H04W52/346 Primary

  distributing total power among users or channels · CPC title

• H04W72/566

  of the information or information source or recipient · CPC title

• H04W72/0453

  Resources in frequency domain, e.g. a carrier in FDMA · CPC title

• H04W72/044

  based on the type of the allocated resource · CPC title

• H04W72/0446 Primary

  Resources in time domain, e.g. slots or frames · CPC title