Title:
SIGNAL DETECTING METHOD, FIRST NETWORK DEVICE, POWER SUPPLY APPARATUS AND SYSTEM THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/113196
Kind Code:
A1
Abstract:
Provided in an embodiment of the present invention are a signal detecting method, first network device, power supply apparatus and system thereof, wherein the signal detecting method comprises: the first network device receives, via a power line, a power-down signal sent by a power supply apparatus on a first frequency band, wherein, the first network device sends a signal on a second frequency band, and the first frequency band and second frequency band have a non-overlapping portion therebetween; such that upon detecting the power-down signal, the first network device determines that the power supply apparatus has powered down, the first network device is being powered by the power supply apparatus. Thereby, this embodiment of the present invention enables more accurate detection of power-down signals.
Inventors:
LI QIANG (CN)
SONG LIANG (CN)
HUANG MEI (CN)
LUO YUPING (CN)
FU XIAOJUAN (CN)
SONG LIANG (CN)
HUANG MEI (CN)
LUO YUPING (CN)
FU XIAOJUAN (CN)
Application Number:
PCT/CN2015/099887
Publication Date:
July 06, 2017
Filing Date:
December 30, 2015
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04B3/54
Foreign References:
| CN1571291A | 2005-01-26 | |||
| CN204068969U | 2014-12-31 | |||
| US20120314744A1 | 2012-12-13 | |||
| CN102857261A | 2013-01-02 |
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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