Title :
Multiuser robust detection for frequency hopped signals in non-Rayleigh fading channels
Author :
Maniati, Evrielea Voudouri
Author_Institution :
Manhattan Coll., Riverdale, NY, USA
Abstract :
This paper proposes a receiver implementation that uses robust detection techniques on top of fast frequency hopping to eliminate jamming and multiple access interference in non-Rayleigh fading channels. Computation of error probabilities and asymptotic relative efficiencies parametric detectors contaminated heavy with respect to optimum for various channels and tailed noise distributions demonstrates that the proposed detectors maintain a nearly optimum performance for small signal to noise ratios regardless of the degree of noise contamination and interference. Moreover, the theory of the proposed techniques can be easily extended to include error analysis in case that error correcting codes are employed to improve error rates.
Keywords :
Rayleigh channels; code division multiple access; error correction codes; error statistics; frequency hop communication; interference suppression; jamming; military communication; mobile communication; multiuser detection; CDMA; code division multiple access; error correcting codes; error probabilities; frequency hopped signals; jamming; multiple access interference; multiuser robust detection; nonRayleigh fading channels; tailed noise distributions; Detectors; Distributed computing; Error analysis; Error probability; Fading; Frequency; Jamming; Multiple access interference; Noise robustness; Signal to noise ratio;
Conference_Titel :
Military Communications Conference, 2003. MILCOM '03. 2003 IEEE
Print_ISBN :
0-7803-8140-8
DOI :
10.1109/MILCOM.2003.1290131