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Generalized performance analysis of a delay diversity receiver in asynchronous CDMA channels

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2 Author(s)
Wan Choi ; Wireless Networking & Commun. Group, Univ. of Texas, Austin, TX, USA ; Andrews, J.G.

In this letter, the performance for the delay diversity receiver is analyzed in asynchronous code division multiple access (CDMA) channels. The outage probability and the bit error probability of the delay diversity receiver are accurately derived and compared with those of the conventional diversity receiver. From the analytical and numerical results, it is confirmed that the delay diversity receiver achieves a remarkable diversity gain with reasonable cost and complexity in asynchronous CDMA channels. Specifically, for roughly the same hardware complexity, the delay diversity receiver achieves nearly twice the diversity order of the conventional receiver.

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Wireless Communications, IEEE Transactions on  (Volume:4 ,  Issue: 5 )