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Downlink resource management with adaptive modulation and dynamic scheduling for OFDM wireless communication systems

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3 Author(s)
Jun Cai ; Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada ; Xuemin Shen ; Mark, Jon W.

In this paper, a downlink resource management scheme with adaptive modulation and dynamic generalized processor sharing (DGPS) scheduling is proposed for orthogonal frequency-division multiplexing (OFDM) wireless communication systems. By making use of the frequency diversity among the subcarriers allocated to the same user and the inherent delay tolerance of the nonreal-time traffic, the proposed scheme can achieve maximum system throughput while guaranteeing the required symbol-error-rate (SER), providing fairness to all multimedia traffic, and satisfying the total transmission power constraint. Simulation results show that the proposed resource management scheme exhibits desirable performance.

Published in:

Wireless Communications and Networking Conference, 2004. WCNC. 2004 IEEE  (Volume:4 )

Date of Conference:

21-25 March 2004