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Title:
FSK DECODING METHOD FOR WIRELESS CHARGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/062557
Kind Code:
A1
Abstract:
The present invention relates to an FSK decoding method for a wireless charging system. The method comprises: decoding respective bits; and packaging the decoded bits so as to obtain an FSK-decoded data packet. According to the FSK decoding method for a wireless charging system in the present invention, a receiving end decodes an FSK signal sent by a transmitting end as a response, and a receiving-end device can then use the Qi EPP protocol or the Qi BPP protocol according to the obtained decoded signal. In addition, if the transmitting end supports the Qi EPP protocol, the receiving end can further perform power negotiation with the transmitting end at a negotiation stage by means of the decoded signal, so as to output a power required by the transmitting end. The same receiving-end device can support different Qi protocols and TX devices having different powers, thereby achieving good compatibility.

Inventors:
WANG ZHENLI (CN)
Application Number:
PCT/CN2021/104239
Publication Date:
March 31, 2022
Filing Date:
July 02, 2021
Export Citation:
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Assignee:
CRM ICBG WUXI CO LTD (CN)
International Classes:
H04L27/14; H02J50/80
Foreign References:
CN112152955A2020-12-29
CN105516040A2016-04-20
CN106487425A2017-03-08
CN108808869A2018-11-13
CN110149291A2019-08-20
CN111509822A2020-08-07
CN111602311A2020-08-28
CN110445736A2019-11-12
Other References:
"The Qi Wireless Power Transfer System Power Class 0 Specification Parts 1 and 2: Interface Definitions", WIRELESS POWER CONSORTUM, 1 April 2016 (2016-04-01), pages 1 - 160, XP055915687
Attorney, Agent or Firm:
SHANGHAI ZHI XIN PATENT AGENT LTD. (CN)
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