CN-122029788-A - Wireless communication method, device and storage medium

CN122029788ACN 122029788 ACN122029788 ACN 122029788ACN-122029788-A

Abstract

The application provides a wireless communication method, equipment and a storage medium, wherein the method comprises the steps that a first terminal device determines a first carrier frequency offset CFO of a first carrier, the carrier frequency of the first carrier belongs to a first frequency band, the first terminal device compensates the carrier frequency of a second carrier based on the first CFO to obtain a first frequency, and sends a first data frame to the second terminal device on the second carrier by using the first frequency, the carrier frequency of the second carrier belongs to a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band.

Inventors

HAN TAO
ZHU XIAO
ZHONG DAI
LI YAPU
GAO NING
LUO CHAOMING
LU LIUMING
ZHANG JUN

Assignees

OPPO广东移动通信有限公司

Dates

Publication Date: 20260512
Application Date: 20231128

Claims (20)

A method of wireless communication, the method comprising: The method comprises the steps that a first terminal device determines a first carrier frequency offset CFO of a first carrier, wherein the carrier frequency of the first carrier belongs to a first frequency band; the first terminal equipment compensates the carrier frequency of the second carrier based on the first CFO to obtain a first frequency, and sends a first data frame to the second terminal equipment on the second carrier by using the first frequency, wherein the carrier frequency of the second carrier belongs to a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band.
The method of claim 1, wherein the first terminal device determining a first CFO for the first carrier comprises: the first terminal equipment receives a second data frame sent by the second terminal equipment on the first carrier; the first terminal device determines the first CFO based on the second data frame.
The method of claim 1, wherein the first terminal device determining a first CFO for the first carrier comprises: the first terminal equipment determines the first CFO of the first carrier which is stored locally, and the generation duration of the first CFO is smaller than a first duration.
A method according to any one of claims 1 to 3, wherein compensating the carrier frequency of the second carrier based on the first CFO to obtain a first frequency comprises: Determining a CFO compensation value based on the first CFO; and compensating the carrier frequency of the second carrier based on the CFO compensation value to obtain the first frequency.
The method of claim 4, wherein, The CFO compensation value is determined based on the first CFO and a first coefficient related to a carrier frequency of the first carrier and a carrier frequency of the second carrier.
The method of claim 5, wherein, The first coefficient is a ratio of a carrier frequency of the second carrier to a carrier frequency of the first carrier.
The method according to any one of claims 4 to 6, wherein, The first frequency is obtained by subtracting the CFO compensation value from the carrier frequency of the second carrier.
The method of any one of claims 1 to 7, wherein the method further comprises: The first terminal device sends a first frame to the second terminal device on the first carrier, the first frame is used for indicating the first terminal device to enter a first mode, the first frame belongs to a management frame or a control frame, and the first terminal device compensates carrier frequency of the second carrier based on the first CFO in the first mode.
The method of claim 8, wherein the first data frame is transmitted on a first link and the first frame is transmitted on a second link, the first link and the second link being the same link or different links.
The method of claim 8, wherein the first frame includes first indication information, the first indication information being used to instruct the first terminal device to enter the first mode.
The method of claim 10, wherein the first indication information is located in a first field in the first frame, the first field being a reserved field or a custom field in the first frame.
The method according to any of claims 8 to 11, wherein the first frame is further used to trigger the second terminal device to send a second data frame to the first terminal device, the second data frame being used to determine the first CFO.
The method according to any of claims 8 to 12, wherein the first data frame is a first data frame transmitted by the first terminal device after transmitting the first frame.
The method of claim 13, wherein the first data frame is a first data frame transmitted after the first terminal device transmits the first frame if the first terminal device does not determine a valid duration.
The method according to any of claims 8 to 12, wherein the first data frame is one of one or more data frames transmitted by the first terminal device within a valid duration after the transmission of the first frame.
The method of claim 15, wherein the effective duration comprises one of: negotiating between the first terminal device and the second terminal device; the first terminal device is preconfigured; the effective duration information in the first frame indicates.
The method of claim 16, wherein the effective duration is indicated by effective duration information in the first frame, the effective duration information being located in a second field in the first frame, the second field being a reserved field or a custom field in the first frame.
The method according to any one of claims 1 to 17, wherein, The first terminal equipment is one of Non-access point Non-AP site STA, access point AP, non-AP multi-link equipment MLD and AP MLD.
The method according to any one of claims 1 to 18, wherein, The second terminal equipment is one of Non-AP STA, AP, non-AP MLD and AP MLD.
A method of data transmission, the method comprising: The second terminal equipment receives a first data frame sent by the first terminal equipment on a second carrier by using a first frequency, wherein the first frequency is obtained by compensation based on a first carrier frequency offset CFO of the first carrier and a carrier frequency of the second carrier, the carrier frequency of the first carrier belongs to a first frequency band, the carrier frequency of the second carrier belongs to a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band.

Description

Wireless communication method, device and storage medium Technical Field The embodiment of the application relates to the technical field of mobile communication, in particular to a wireless communication method, wireless communication equipment and a storage medium. Background Both single carrier SC and multi-carrier OFDM transmissions may be affected by carrier frequency offset, resulting in reduced communication performance. Further, since the subcarriers of the OFDM system are not completely separated, but there is a certain overlap in frequency spectrum, by designing a proper subcarrier interval, a signal on one subcarrier is exactly located on the zero point of another subcarrier, so that an orthogonal relationship is formed to avoid mutual interference between the data streams. It can be seen that OFDM has a high requirement for inter-subcarrier orthogonality, and once the orthogonality is destroyed, the system performance is greatly affected, and carrier frequency offset errors seriously destroy the orthogonality of the OFDM system, thereby causing inter-subcarrier interference. In the related art, carrier frequency offset errors are compensated by carrier frequency offset (Carrier Frequency Offset, CFO), so that orthogonality among subcarriers is realized. Disclosure of Invention The embodiment of the application provides a wireless communication method, wireless communication equipment and a storage medium. The wireless communication method provided by the embodiment of the application comprises the following steps: The method comprises the steps that a first terminal device determines a first carrier frequency offset CFO of a first carrier, wherein the carrier frequency of the first carrier belongs to a first frequency band; the first terminal equipment compensates the carrier frequency of the second carrier based on the first CFO to obtain a first frequency, and sends a first data frame to the second terminal equipment on the second carrier by using the first frequency, wherein the carrier frequency of the second carrier belongs to a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band. The wireless communication method provided by the embodiment of the application comprises the following steps: The second terminal equipment receives a first data frame sent by the first terminal equipment on a second carrier by using a first frequency, wherein the first frequency is obtained by compensation based on a first carrier frequency offset CFO of the first carrier and a carrier frequency of the second carrier, the carrier frequency of the first carrier belongs to a first frequency band, the carrier frequency of the second carrier belongs to a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band. The first terminal device provided by the embodiment of the application comprises: a determining unit configured to determine a first carrier frequency offset CFO of a first carrier, where a carrier frequency of the first carrier belongs to a first frequency band; The compensation unit is configured to compensate the carrier frequency of the second carrier based on the first CFO to obtain a first frequency; And the first communication unit is configured to send a first data frame to the second terminal equipment on the second carrier by using the first frequency, the carrier frequency of the second carrier belongs to a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band. The second terminal device provided by the embodiment of the application comprises: The second communication unit is configured to receive a first data frame sent by the first terminal device on a second carrier by using a first frequency, wherein the first frequency is obtained by compensation based on a first Carrier Frequency Offset (CFO) of the first carrier and a carrier frequency of the second carrier, the carrier frequency of the first carrier belongs to a first frequency band, the carrier frequency of the second carrier belongs to a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band. The communication device provided by the embodiment of the application can be the first terminal device in the scheme or the second terminal device in the scheme, and the communication device comprises a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory to execute the wireless communication method. The chip provided by the embodiment of the application is used for realizing the wireless communication method. The chip comprises a processor for calling and running a computer program from a memory, so that a device provided with the chip executes the wireless communication method. The emb