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A New Modified Method for DMT in ADSL Systems in a Burst-noisy Channel

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3 Author(s)
Maghrebi, S.G. ; Dept. of Commun., ACECR Inst., Tehran ; Lotfizad, M. ; Ghanbari, M.

In recent years, Internet access over a digital subscriber line (DSL) has experienced continuous growth. Recent technological advances have increased the potential capacity of the telephone operators' access networks, which were originally intended only to provide a plain old telephone service. However, due to an imperfect balance between the twisted pair channels, different noises occur on the telephone lines. In this paper we apply different 16-QAM constellations to ADSL system with burst noisy channel and the results of simulation show that non-rectangular constellations have better performance (especially BER) with respect to rectangular constellation

Published in:

TENCON 2006. 2006 IEEE Region 10 Conference

Date of Conference:

14-17 Nov. 2006