Title :
Exact BER Calculation of Asynchronous DS-CDMA Systems Communicating over Hoyt Channels
Author :
Liu, Xiang ; Hanzo, Lajos
Author_Institution :
Sch. of Electron. & Comput. Sci., Southampton Univ.
Abstract :
An asynchronous binary DS-CDMA system using random spreading sequences is considered in flat Hoyt fading channels. A new closed-form expression is derived for the conditional characteristic function of the multiple access interference. The exact average BER is expressed as a single numerical integration based on the characteristic function approach. The numerical results obtained from our exact BER analysis are verified by our simulation results and also compared to those obtained by the standard Gaussian approximation
Keywords :
binary sequences; code division multiple access; error statistics; fading channels; integration; radiofrequency interference; spread spectrum communication; BER; asynchronous binary DS-CDMA system; bit error rate; closed-form expression; conditional characteristic function; direct sequence code division multiple access; flat Hoyt fading channel; multiple access interference; numerical integration; random spreading sequence; AWGN; Binary phase shift keying; Bit error rate; Fading; Gaussian approximation; Multiaccess communication; Multiple access interference; Nakagami distribution; Rayleigh channels; Spread spectrum communication;
Conference_Titel :
Spread Spectrum Techniques and Applications, 2006 IEEE Ninth International Symposium on
Conference_Location :
Manaus-Amazon
Print_ISBN :
0-7803-9779-7
Electronic_ISBN :
0-7803-9780-0
DOI :
10.1109/ISSSTA.2006.311790
