Publication: Analisis prestasi dan perbandingan bagi sistem perhubungan data jalur lebar bertalian tetap ( xdsl dan modem kabel)
Date
2007-03-01
Authors
Teoh, Siew Yong
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Abstract
The rapid development of data communication nowadays and the higher demand from users has motivated the research in data communication. This project will present brief introduction to two competitive fixed line broadband implementations which are cable modem and also digital subscriber line (DSL). A deep research regarding the characteristics of these technologies will be performed in terms of their advantages and disadvantages. Among various types of digital subscriber line (xDSL), Asymmetry digital subscriber line (ADSL) is focused because of its popularity. This performance analysis concentrates on the factors that affect the services. For ADSL technology, tests are being carried out to prove that the performance is affected by loop length and also noise issue. Besides, attention is drew in their impairment issues especially crosstalk issue for ADSL. Crosstalk is severe phenomenon for DSL technology due to copper technology. Thus, crosstalk modeling is performed to discuss the performance of ADSL in crosstalk environment. Method is proposed to mitigate crosstalk in ADSL system. By carrying out this study, both technologies are being compared. The comparison will indirectly give ideas to enhance the existing services. Besides, both operators can be benefited by being equipped with a clearer knowledge about these technologies.