Title :
Symbol synchronization for zero-crossing demodulator under static and mobile fading environments
Author :
Mun, Kwang S. ; Kwon, Hyuck M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Wichita State Univ., KS, USA
fDate :
6/21/1905 12:00:00 AM
Abstract :
This paper considers a symbol synchronization scheme for the zero-intermediate frequency (IF) zero-crossing demodulator (ZIFZCD). Approximate expressions for the steady-state symbol timing error probability density function and timing error variance are obtained. Analytic and simulation results show acceptable bit error rate (BER) performance for this scheme. This paper shows that the steady-state bit error rate of the ZIFZCD employing the symbol synchronizer with overall loop gain K less than 0.1 is close to that of the ZIFZCD with perfect symbol synchronization under static and mobile fading environments
Keywords :
demodulators; digital radio; error statistics; fading channels; mobile radio; radio receivers; synchronisation; BER performance; ZIFZCD; bit error rate; loop gain; mobile fading environments; static fading environments; steady-state bit error rate; steady-state symbol timing error probability density function; symbol synchronization; timing error variance; zero-crossing demodulator; zero-intermediate frequency zero-crossing demodulator; Analytical models; Bit error rate; Demodulation; Density functional theory; Error probability; Fading; Frequency synchronization; Performance analysis; Steady-state; Timing;
Conference_Titel :
Military Communications Conference Proceedings, 1999. MILCOM 1999. IEEE
Conference_Location :
Atlantic City, NJ
Print_ISBN :
0-7803-5538-5
DOI :
10.1109/MILCOM.1999.822700
