Dynamic channel assignment and handoff analysis in an indoor wireless environment

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Dynamic channel assignment and handoff analysis in an indoor wireless environment

 

Author: Lam, Siu-kei
Title: Dynamic channel assignment and handoff analysis in an indoor wireless environment
Degree: M.Sc.
Year: 1999
Subject: Wireless communication systems
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Electronic and Information Engineering
Pages: vii, 127 leaves : ill. ; 31 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1517718
URI: http://theses.lib.polyu.edu.hk/handle/200/1658
Abstract: This dissertation compares the performance of an indoor wireless system in terms of capacity and handoff rate for different Dynamic Channel Assignment (DCA) and Fixed Channel Assignment Schemes. We focus on two DCA schemes, the Least Interfered Channel (DCA-LIC) and the First Available (DCA-FA). The result indicates that both DCA can improve the network capacity in comparison with FCA. Although DCA-FA achieves the highest network capacity, it also incurs higher handoff rate than others. We also study the performance of handoff triggering schemes in this paper. Handoff criteria based on relative power, carrier-to-interference ratio (CIR), bit error rate (BER) and timer are studied. Several combinations of four parameters create a total of 9 handoff triggering schemes. The handoff scheme based on relative power and timer achieve the lowest handoff rate while maintaining the lowest interference probability.

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