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Efficient capacity-based antenna selection for MIMO systems

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2 Author(s)
M. A. Jensen ; Dept. of Electr. & Comput. Eng., Brigham Young Univ., Provo, UT, USA ; M. L. Morris

The achieved capacity of the multiple-input-multiple-output wireless channel is typically dependent on the array configurations at the transmitter and receiver. Maximizing system capacity or throughput therefore requires that the arrays adapt to changing channel conditions, which may be accomplished by selecting an appropriate subset of available antenna elements for connection to the electronic transmit and receive modules. This work presents algorithms, derived using relatively straightforward information theoretic considerations, for efficiently and effectively selecting the antenna elements. Computational examples using a realistic channel model for indoor environments illustrate the performance of the techniques.

Published in:

IEEE Transactions on Vehicular Technology  (Volume:54 ,  Issue: 1 )