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Performance analysis for a new automatic error control system for overcoming atmospheric multipath fading with random bit errors for wireless ATM networks

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2 Author(s)
Al-Khatib, M.M. ; Center for Adv. Comput. Studies, Southwestern Louisiana Univ., Lafayette, LA, USA ; Bayoumi, M.

This paper suggests and analyzes the performance of a new wireless ATM adaptive error control system, which can be used in wireless ATM networks to improve the quality of service in keeping the cell loss under a certain predefined limit and reducing the average delay of cell encoding. The new system is based on multi-level forward error correction (FEC) and specifically the Bose-Chaudhuri-Hocqenghem (BCH) code, which has multiple error correcting capability and a wide class of block codes, to overcome random errors. Realistic error patterns caused by multipath fading are analytically approximated and applied to the suggested system. Performance analysis for the new system showed that it improves the cell loss rate to a value of less than 10-9 in case of non-fading and it keeps the average cell loss close to the limit achieved by using a fixed BCH error correction system, while maintaining an average encoding delay considerably less than the delay of a system using a fixed BCH correction capability

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Wireless Communications and Networking Conference, 1999. WCNC. 1999 IEEE

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