Title:
BACKSCATTER COMMUNICATION METHOD AND RELATED DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/031662
Kind Code:
A1
Abstract:
Disclosed are a backscatter communication method and a related device. The method comprises: a first device acquiring a reference transmission power and a power offset value, wherein the power offset value is determined according to the capability of an electronic tag device; the first device determining, according to the reference transmission power and the power offset value, a transmission power for sending an excitation signal to the tag device; and the first device sending the excitation signal to the tag device according to the transmission power of the excitation signal. By means of the embodiments of the present application, the signal demodulation performance can be improved, thereby reducing the power consumption.
Inventors:
SHAO HUA (CN)
HUANG HUANG (CN)
CHEN LEI (CN)
YAN MAO (CN)
HUANG HUANG (CN)
CHEN LEI (CN)
YAN MAO (CN)
Application Number:
PCT/CN2020/095227
Publication Date:
February 25, 2021
Filing Date:
June 09, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06K7/00
Foreign References:
| CN102969751A | 2013-03-13 | |||
| US20170193256A1 | 2017-07-06 | |||
| US20060197652A1 | 2006-09-07 | |||
| CN109447223A | 2019-03-08 |
Other References:
"3 Generation Partnership Project; Technical Specification Group Core Network and Terminals; Universal Subscriber Identity Module (USIM) Application Toolkit (USAT) (Release 13)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 31.111, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. CT WG6, no. V13.8.0, 4 October 2018 (2018-10-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 136, XP051487589
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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