Title:
RANGING METHOD FOR PASSIVE OPTICAL NETWORK, SYSTEM, AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/103849
Kind Code:
A3
Abstract:
Embodiments of the present invention provide a ranging method for a passive optical network, comprising: allocating ranging bandwidths to at least two optical network terminations (ONTs), and providing ranging bandwidth information for the at least two ONTs through the same downlink frame; opening a silent window for suspending uplink transmission of other ONTs in the ranging process of the at least two ONTs; and receiving ranging replies of the at least two ONTs in the silent window, and according to the ranging replies of the at least two ONTs, calculating a ranging result of the at least two ONTs. The embodiments of the present invention further provide a ranging device for a passive optical network and a passive optical network system.
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Inventors:
LIANG XUANQIN (CN)
Application Number:
PCT/CN2012/073780
Publication Date:
March 14, 2013
Filing Date:
April 11, 2012
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
LIANG XUANQIN (CN)
LIANG XUANQIN (CN)
International Classes:
H04B10/071; H04B10/272
Foreign References:
| CN101162963A | 2008-04-16 | |||
| CN101394229A | 2009-03-25 | |||
| CN102082976A | 2011-06-01 |
Other References:
See also references of EP 2615747A4
Attorney, Agent or Firm:
SHENPAT INTELLECTUAL PROPERTY AGENCY (West Block Guomao Buildin, Shenzhen Guangdong 4, CN)
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