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Rate Optimization for IDMA Systems with Iterative Joint Multi-User Decoding

Yang, Tao; Yuan, Jinhong; Shi, Zhenning


In this letter, we develop a rate allocation scheme for interleave-division multiple-access (IDMA) systems with iterative decoding. We use a fully-analytical approach to predict the performance of the scheme. Then, we propose a modified linear programming method to find the best rate profile for the scheme. Numerical results show that with just repetition coding and optimal rate allocation, the performance of the scheme is only about 5 dB away from the capacity for a wide range of SNR, provided...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: IEEE Transactions on Wireless Communications
DOI: 10.1109/TWC.2009.080438


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