Asymmetrical digital subscriber line system with improved...

Details Asymmetrical digital subscriber line system with improved... Asymmetrical digital subscriber line system with improved...

2007-04-05

2009-02-03

Tse, Young T. (Department: 2611)

Pulse or digital communications

Transceivers

Modems

C370S485000, C379S399010

Reexamination Certificate

active

07486723

ABSTRACT:
An improved ADSL system with improved data rate is disclosed. In one embodiment, the upstream data bit rate is increased by extending the upstream transmission band. In another embodiment, the downstream data is also increased by extending the downstream transmission band.

REFERENCES:
patent: 5812786 (1998-09-01), Seazholtz et al.
patent: 6741604 (2004-05-01), Rippin et al.
patent: 2002/0085640 (2002-07-01), Humphrey
patent: 2002/0140572 (2002-10-01), Gardner et al.
patent: 1 079 578 (2001-02-01), None
patent: WO 99/65218 (1999-12-01), None
patent: WO 00/39977 (2000-07-01), None
ETSI TC TM WG TM6(02) 2, ETSI Technical Committee, Working Group TM6, Access Networks, Report of Meeting 26, Apr. 22-26, 2002.

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