This paper deals with a multiuser detector based on a new decorrelating approach for asynchronous up-link DS/CDMA communications in which the QPSK modulation scheme is used in transmission. It is shown that the receiver proposed is near-far resistant and exhibits a low complexity which allows real-time operation. The performance is expressed in terms of the bit error rate (BER) which has been derived by simulations under the assumption of a slow frequency-selective Rayleigh fading channel.
A low-complexity multiuser detector for asynchronous CDMA QPSK systems / E. Del Re;R. Fantacci;S. Morosi;G. Vivaldi. - STAMPA. - (1998), pp. 401-404. (Intervento presentato al convegno Ninth IEEE International Symposium on Personal, Indoor and Mobile Radio Communications) [10.1109/PIMRC.1998.733590].
A low-complexity multiuser detector for asynchronous CDMA QPSK systems
DEL RE, ENRICO;FANTACCI, ROMANO;MOROSI, SIMONE;
1998
Abstract
This paper deals with a multiuser detector based on a new decorrelating approach for asynchronous up-link DS/CDMA communications in which the QPSK modulation scheme is used in transmission. It is shown that the receiver proposed is near-far resistant and exhibits a low complexity which allows real-time operation. The performance is expressed in terms of the bit error rate (BER) which has been derived by simulations under the assumption of a slow frequency-selective Rayleigh fading channel.
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A low-complexity multiuser detector for asynchronous CDMA QPSK systems.pdf
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