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An Advanced Scheduling Algorithm in OFDM Wireless Communication Systems

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4 Author(s)
Wenwen Liu ; Coll. of Commun. & Inf. Eng., Nanjing Univ. of Posts & Telecommun., Nanjing, China ; Shixiang Shao ; Longxiang Yang ; Hongbo Zhu

In this paper, a new packet approximation algorithm based on WF2Q+ of TGPS (T-WF2Q+) has been proposed in multicast orthogonal frequency division multiplexing (OFDM) systems. By using Lambda(t) instead of Lambda, the TGPS scheme could preserve the service guarantees provided by WF2Q+ algorithm for enabling to support the OFDM wireless dynamic communication systems. The proposed resource management scheme exhibits better throughput performance than WF2Q+ algorithm supported on PGPS, and also is useful for future development of efficient OFDM systems supporting multimedia services.

Published in:

Wireless Communications, Networking and Mobile Computing, 2009. WiCom '09. 5th International Conference on

Date of Conference:

24-26 Sept. 2009