Minimal Waiting Time Assignment of Subcarriers and Power for OFDMA System

This paper presents a new method for subcarriers and power allocation for orthogonal frequency division multiple access (OFDMA) with the purpose of minimizing the instantaneous buffering latency of all users. Numerical results show that the average packet delay can be reduced by up to 50% and the spectrum utilization can be increased by 0.5 bits/s/Hz when compared to the scheme used in IEEE 802.16a.

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