Method for transmitting data streams, and warm start...

Details Method for transmitting data streams, and warm start... Method for transmitting data streams, and warm start...

2006-11-21

2006-11-21

Ghayour, Mohammed (Department: 2611)

Pulse or digital communications

Transceivers

Modems

C375S259000

Reexamination Certificate

active

07139310

ABSTRACT:
The invention relates to a method for transmitting data streams where transmission/reception devices (LTU, NTU) deactivated to a standby state are activated by performing a warm start sequence, with transmission line parameters being determined (S103) using an exchange-end transmission/reception device (LTU) following provision of a subscriber-end transmitted signal, transmission line parameters being determined (S104) using a subscriber-end transmission/reception device (NTU) following provision of an exchange-end transmitted signal, echo cancelation being realigned (S105) using a subscriber-end transmission/reception device (NTU) following provision of a subscriber-end transmitted signal, and/or echo cancelation being realigned (S106) using an exchange-end transmission/reception device (LTU) following provision of an exchange-end transmitted signal.

REFERENCES:
patent: 5450457 (1995-09-01), Ito et al.
patent: 5631952 (1997-05-01), O'Barr et al.
patent: 5852630 (1998-12-01), Langberg et al.
patent: 6240180 (2001-05-01), Younce et al.
patent: 6690655 (2004-02-01), Miner et al.
patent: 6839889 (2005-01-01), Liu
ITU-T Standard G.992.2, “Splitterless asymmetric digital subscriber line 9ADSL) transceivers,” ( Jun. 6, 1999).
ITU-T Standard G.994.1, “Handshake procedures for digital subscriber line (DSL) transceivers,” ( Jun. 6, 1999).

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