ATM over DSL under the influence of impulse noise

N. Nedev, S. McLaughlin, D. Laurenson, R. Daley

Research output: Contribution to journalArticlepeer-review


This paper considers the cell error performance of ATM over digital subscriber lines (DSL) in the presence of impulse noise and various types of crosstalk interference. In recent years there has been an increasing interest in xDSL technology due to its relatively broad bandwidth and ease of deployment. ATM is a preferred protocol over DSL, but has been designed for low bit rates. Despite error correction protocols, DSL cannot always overcome bursty errors, particularly impulse noise. Interest in DSL has triggered research into impulse noise. A new model has been developed based on surveys on experimental data. Another impairment on DSL is crosstalk from services on other pairs in the same bundle. The latter is becoming increasingly important in the light of unbundling of the local loop. This work considers the ATM cell error performance of ADSL under impulse noise, and in different crosstalk scenarios, as well as issues about error performance of channels multiplexed on DSL. Alien crosstalk (ISDN and HDSL) in combination with impulse noise has been found to deteriorate the performance of ADSL, and to a higher extent than kindred crosstalk (ADSL). If two channels are multiplexed over an ADSL system, the ATM cell error rate of each channel depends on the total bandwidth of the DSL system.
Original languageEnglish
Pages (from-to)10
Number of pages1
JournalIEE Seminar Digests
Issue number75
Publication statusPublished - 2000


  • cell error rate


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