Wired transmission line testing method

Details Wired transmission line testing method Wired transmission line testing method

2006-12-19

2011-10-18

Ramakrishnaiah, Melur (Department: 2614)

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of data transmission

C379S001040, C379S027010

Reexamination Certificate

active

08041009

ABSTRACT:
The present invention relates to a wired transmission line testing method for determining at least one physical characteristic of a wired transmission line where the wired transmission line is coupled between a first line transceiver device and a second transceiver device. The wired transmission line testing method first comprises the steps of a first transceiver sending a first known excitation signal over the wired transmission line and subsequently the step of the first transceiver and the second transceiver both generating a first representation of a received signal respectively including reflected or forwarded portions of the known excitation signal and third a processing part deriving at least one physical characteristic of the wired transmission line based on the first representations generated by the first transceiver and the second transceiver.Furthermore, the wired transmission line testing method may comprise the additional steps of the second transceiver sending a second known excitation signal, then first transceiver and second transceiver both generating a second representation of a received signal respectively including forwarded or reflected portions of the second known excitation signal and the processing part deriving the at least one physical characteristic of the wired transmission line based on the first and second representations generated by the first transceiver and the second transceiver.

REFERENCES:
patent: 2003/0179858 (2003-09-01), Bella et al.
patent: 2004/0066913 (2004-04-01), Kennedy et al.
patent: 0 822 671 (1998-02-01), None
patent: WO 02/089454 (2002-11-01), None
Alcatel 5530 NA Network Analyzer Release 3.1, Alcatel's Best Practices to Improve User Centric Broadband Services, pp. 1-13, publication date unknown.

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