Title :
Duoquaternary FSK receivers in mobile communications
Author :
Barbounakis, Ioannis S. ; Stavroulakis, Peter P. ; Gardiner, John G.
Author_Institution :
Telecom Syst. Inst., Chania, Greece
Abstract :
In this paper, a single- and a double-error-correcting receiver of duoquaternary FSK (D-QFSK) are proposed and studied. It is the first time that correlative nonbinary modulations of higher efficiency have been evaluated with nonredundant error correction (NEC) in AWGN and Rayleigh fading environments. Simulations coincide perfectly with the theoretical results derived under AWGN. Single- and double-error correction NEC receivers improve the error rate performance of duoquaternary FSK not only under AWGN but also under destructive Rayleigh fading, making it a good candidate for next generation mobile communications. The improvements reach an order of magnitude for signal to noise ratios exceeding 20 dB
Keywords :
AWGN channels; error correction; fading channels; frequency shift keying; mobile radio; radio receivers; AWGN; D-QFSK; NEC; Rayleigh fading environments; correlative nonbinary modulations; double-error-correcting receiver; duoquaternary FSK receivers; error rate performance; mobile communications; nonredundant error correction; single-error-correcting receiver; AWGN; Circuits; Error analysis; Error correction; Frequency modulation; Frequency shift keying; Mobile communication; National electric code; Rayleigh channels; Telecommunications;
Conference_Titel :
Vehicular Technology Conference, 2001. VTC 2001 Spring. IEEE VTS 53rd
Conference_Location :
Rhodes
Print_ISBN :
0-7803-6728-6
DOI :
10.1109/VETECS.2001.945044
