An advanced scheduling algorithm in OFDM wireless communication systems

Authors:
Wenwen Liu;Shixiang Shao;Longxiang Yang;Hongbo Zhu
Affiliations:
College of Communication & Information Engineering, Nanjing University of Posts & Telecommunications, Nanjing, China;Nanjing University of Posts & Telecommunications, Jiangsu Key Laboratory of Wireless Communication, Nanjing, China;Nanjing University of Posts & Telecommunications, Jiangsu Key Laboratory of Wireless Communication, Nanjing, China;Nanjing University of Posts & Telecommunications, Jiangsu Key Laboratory of Wireless Communication, Nanjing, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

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 Λ(t) instead of Λ, 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.