Title:
COMMUNICATION METHOD, NETWORK DEVICE AND COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/139496
Kind Code:
A1
Abstract:
Embodiments of the present invention provide a communication method, a network device and a communication system. The network device comprises a main device, a radio frequency unit, a light source switch, and a light source. The method comprises: in a case that a light source is turned on, a main device closes a downlink non-visible light link, and sends a downlink signal to a terminal by means of a visible light link; and in a case that the light source is turned off, the main device opens the downlink non-visible light link, and sends the downlink signal to the terminal by means of the downlink non-visible light link, wherein in a case that the light source is turned on or off, the main device receives an uplink signal from the terminal by means of an uplink non-visible light link.
Inventors:
SUO SHIQIANG (CN)
WU LICHEN (CN)
WU LICHEN (CN)
Application Number:
PCT/CN2020/136767
Publication Date:
July 15, 2021
Filing Date:
December 16, 2020
Export Citation:
Assignee:
DATANG MOBILE COMMUNICATIONS EQUIPMENT CO LTD (CN)
International Classes:
H04B10/116
Domestic Patent References:
| WO2016091155A1 | 2016-06-16 | |||
| WO2017008361A1 | 2017-01-19 |
Foreign References:
| CN103812560A | 2014-05-21 | |||
| CN106487699A | 2017-03-08 | |||
| CN105553553A | 2016-05-04 |
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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