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Space Division Multiple Access in MIMO Systems with Parallel Data Transmission

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Radiophysics and Quantum Electronics Aims and scope

Abstract

We study multiple-input multiple-output (MIMO) cellular communication systems with antenna arrays at both link ends and parallel channels for data transmission. These channels (the so-called eigenchannels) are formed with the help of adaptive transmitting and receiving beamformer processors matched with a random fading environment. To increase the capacity of MIMO systems, we propose a space-division multiple-access (SDMA) method, which does not require estimation of signal-arrival directions and is based on orthogonalization of the parallel channels of all users. We find the signal-to-noise ratios at the eigenchannel outputs and the total capacity of a MIMO system in the case of simultaneous servicing of an arbitrary number of users. We present numerical results for the case of Rayleigh fading of signals, which confirm the high effectiveness of the proposed SDMA method.

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Authors and Affiliations

  1. N. I. Lobachevsky State University, Nizhny Novgorod, Russia

    A. G. Flaksman

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  1. A. G. Flaksman
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Flaksman, A.G. Space Division Multiple Access in MIMO Systems with Parallel Data Transmission. Radiophysics and Quantum Electronics 45, 906–915 (2002). https://doi.org/10.1023/A:1023521230623

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  • DOI: https://doi.org/10.1023/A:1023521230623

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