Title :
Noncoherent multiuser detection of M-ary orthogonal signals using a decorrelator
Author :
Hegarty, Christopher J. ; Vojcic, Branimir
Author_Institution :
The MITRE Corp., McLean, VA, USA
Abstract :
A decorrelating detector for noncoherent CDMA using M-ary orthogonal signals is proposed and analyzed. Closed-form expressions for the symbol and bit error probability, as well as for the asymptotic multiuser efficiency are derived. Furthermore, the detector is shown to be near-far resistant, with a bit error performance for each user that is independent of the energies of the interfering users. Numerical examples are provided to contrast the performance of the decorrelating detector with previous detectors for the same signalling scheme
Keywords :
code division multiple access; correlators; error statistics; probability; signal detection; M-ary orthogonal signals; asymptotic multiuser efficiency; bit error performance; bit error probability; closed form expressions; decorrelating detector; decorrelator; near-far resistant detector; noncoherent CDMA; noncoherent multiuser detection; signalling scheme; symbol error probability; Binary phase shift keying; Bit error rate; Closed-form solution; Decorrelation; Detectors; Multiaccess communication; Multiple access interference; Multiuser detection; Phase detection; Signal analysis;
Conference_Titel :
Military Communications Conference, 1996. MILCOM '96, Conference Proceedings, IEEE
Conference_Location :
McLean, VA
Print_ISBN :
0-7803-3682-8
DOI :
10.1109/MILCOM.1996.571413
