Abstract
An expression for the Shannon capacity lower bound of the space division multiple access (SDMA) mobile communication channel with interference is shown. The bound is tightly approaching the Shannon capacity of the orthogonal SDMA system over Gaussian channel with no interference. The information capacity of the SDMA system with adaptive MMSE receivers is presented as well. The SDMA system with MMSE receivers achieves at least 50% of the orthogonal SDMA system capacity for the input signal to noise ratio of practical interest in cellular mobile communications (10–30dB).
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Rapajic, P.B. Information Capacity of the Space Division Multiple Access Mobile Communication System. Wireless Personal Communications 11, 131–159 (1999). https://doi.org/10.1023/A:1018679827153
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DOI: https://doi.org/10.1023/A:1018679827153