Fractionally spaced decision feedback joint detection for multitone CDMA systems

Vandendorpe, Luc;vandeWiel, O
(1997) IEEE Transactions on Communications — Vol. 45, n° 8, p. 906-909 (1997)

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In this letter, we consider a fractionally spaced decision feedback joint detector (FS-DFJD) for multitone code division multiple access (CDMA) systems, We first derive the structure of the receiver for an minimum mean-squared error (MMSE) criterion, Then we investigate the bit-error rate (BER) performance achieved by this detector for binary phase-shift keying (BPSK) modulation in steady-state conditions, We consider an asynchronous scenario where the signal of each user propagates over a two-path channel, The resistance of the detector against timing errors is studied, and the resistance against a near-far scenario is also demonstrated.
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Vandendorpe, L., & vandeWiel, O. (1997). Fractionally spaced decision feedback joint detection for multitone CDMA systems. IEEE Transactions on Communications, 45(8), 906-909. https://doi.org/10.1109/26.618288 (Original work published 1997)