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In the context of DS-CDMA transmissions, we study the average performance of a link adaptation strategy performed through dynamic rate and power adaptation based on the minimum user information rate maximization subject to a target bit error rate for erroneous frames. Analytical expressions and bounds for the average information rate per user are derived when a Rayleigh fading environment is assumed. When compared to a link adaptation strategy based on the total throughput maximization, simulation results show improved performance, supporting more users in the cell for a wide range of channel conditions.
Communications, 2004 IEEE International Conference on (Volume:1 )
Date of Conference: 20-24 June 2004