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Further analytical results on the joint detection of cochannel signals using diversity arrays

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2 Author(s)
S. J. Grant ; Sch. of Eng. Sci., Simon Fraser Univ., Burnaby, BC, Canada ; J. K. Cavers

We derive a fully analytical expression for the union bound on symbol-error rate for the joint detection of several cochannel fading signals using a diversity antenna array, putting numerical results previously published on a firm analytical base. We prove that with pilot-based multiuser channel estimation, any number of users can enjoy diversity order equal to the number of antennas, and we quantify the performance penalty relative to single-user binary phase-shift keying as a function of number of users, constellation density, and number of antennas. We also demonstrate the interdependence of all users participating in the detection process.

Published in:

IEEE Transactions on Communications  (Volume:48 ,  Issue: 11 )