Title:
FREQUENCY DIVISION MULTIPLEXING TRANSMISSION METHOD AND DEVICE FOR G. FAST SIGNAL, VDSL2 SIGNAL, AND VOICE SIGNAL IN COPPER WIRE
Document Type and Number:
WIPO Patent Application WO/2020/015181
Kind Code:
A1
Abstract:
The present invention provides a frequency division multiplexing transmission method for a G. fast signal, a VDSL2 signal, and a voice signal in a copper wire, comprising: A, selecting two signals with adjacent frequency bands from the G. fast signal, the VDSL2 signal, and the voice signal for primary filtering and coupling so as to form a first mixed signal and an unselected individual signal; B, performing secondary filtering and coupling on the mixed signal and the individual signal so as to form a second mixed signal to be transmitted in the copper wire. Accordingly, also provided is a frequency division multiplexing transmission device for the signals. On the basis of a broadband frequency band difference among the G. fast signal, the VDSL2 signal, and the voice signal, the three kinds of signals are filtered and coupled for two times sequentially, so that the condition that the frequency bands of the signals are not overlapped and the signals are not affected by one another is ensured. Therefore, the problem that the G. fast technology directly accesses the existing VDSL2 broadband network and thus mutual interference therebetween is caused is solved, and the requirement of a VDSL2 user for increasing the access speed of the copper wire broadband is met.
Inventors:
GUO WEIMIN (CN)
MO YUHAN (CN)
WANG QIANG (CN)
WANG JINIAN (CN)
WANG HUI (CN)
MO YUHAN (CN)
WANG QIANG (CN)
WANG JINIAN (CN)
WANG HUI (CN)
Application Number:
PCT/CN2018/107991
Publication Date:
January 23, 2020
Filing Date:
September 27, 2018
Export Citation:
Assignee:
BEIJING CORELOGIC COMMUNICATION CO LTD (CN)
International Classes:
H04J1/02
Domestic Patent References:
| WO2001082584A2 | 2001-11-01 |
Foreign References:
| CN101087338A | 2007-12-12 | |||
| CN106464614A | 2017-02-22 |
Attorney, Agent or Firm:
CHINA ZHENGHE INTELLECTUAL PROPERTY AGENCY (CN)
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