Enhanced smart DSL systems for LDSL

Details Enhanced smart DSL systems for LDSL Enhanced smart DSL systems for LDSL

2003-11-18

2010-06-15

Payne, David C (Department: 2611)

Pulse or digital communications

Transceivers

Modems

C375S220000

Reexamination Certificate

active

07738541

ABSTRACT:
A “Smart DSL System” for addressing the performance objectives of LDSL and examples of smart systems for LDSL are disclosed. In accordance with embodiments of the invention, there is disclosed a method for implementing smart DSL for LDSL systems. Embodiments of the method include presenting a number of spectral masks that are available on the LDSL system, and selecting from the number of spectral masks an upstream mask and a downstream mask wherein the upstream mask and the downstream mask exhibit complimentary features.

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patent: 2006/0163949 (2006-07-01), Barrass
International Search Report dated May 21, 2004 for Application No. PCT/US03/36843.
Kee Bong Song et al., Dynamic spectrum management for next-generation dsl systems, Topics in Broadband Access, IEEE Communications Magazine, Oct. 2002, pp. 101-109.
Feng Ouyang et al., The first step of long-reach adsl:smart dsl technology, readsl, Topics in Broadband Access, IEEE Communications Magazine, Sep. 2003, pp. 124-131.

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