Title:
INFORMATION TRANSMISSION METHOD AND APPARATUS, AND FIRST DEVICE AND SECOND DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/237002
Kind Code:
A1
Abstract:
The present application belongs to the technical field of communications. Disclosed are an information transmission method and apparatus, and a first device and a second device. The information transmission method in the embodiments of the present application comprises: a first device sending frequency offset indication information to a second device, wherein the frequency offset indication information is used for controlling a frequency offset, which is generated when a carrier signal is modulated, and the frequency offset is an offset relative to the center frequency of the carrier signal; and the first device receiving data, which is transmitted by the second device, wherein the data is transmitted by means of a backscatter signal, which is sent by the second device to the first device, the backscatter signal being a signal after the second device modulates the carrier signal on the basis of the frequency offset indication information.
Inventors:
JIAN RONGLING (CN)
TAN JUNJIE (CN)
WU KAI (CN)
JIANG DAJIE (CN)
TAN JUNJIE (CN)
WU KAI (CN)
JIANG DAJIE (CN)
Application Number:
PCT/CN2023/098887
Publication Date:
December 14, 2023
Filing Date:
June 07, 2023
Export Citation:
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H04L27/00
Domestic Patent References:
| WO2021031662A1 | 2021-02-25 |
Foreign References:
| CN113395224A | 2021-09-14 | |||
| CN110311763A | 2019-10-08 | |||
| US20200052734A1 | 2020-02-13 | |||
| CN108496094A | 2018-09-04 |
Attorney, Agent or Firm:
BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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