DocumentCode :
3812396
Title :
On the performance of near-far resistant CDMA detectors in the presence of synchronization errors
Author :
Fu-Chun Zheng;S.K. Barton
Author_Institution :
Dept. of Electr. & Electron. Eng., Bradford Univ., UK
Volume :
43
Issue :
12
fYear :
1995
Firstpage :
3037
Lastpage :
3045
Abstract :
Little has so far been reported on the performance of the near-far resistant CDMA detectors in the presence of the synchronization errors. Starting with the general mathematical model of matched filters, this paper examines the effects of three classes of synchronization errors (i.e. time-delay errors, carrier phase errors, and carrier frequency errors) on the performance (bit error rate and near-far resistance) of an emerging type of near-far resistant coherent DS/SSMA detectors, i.e. the linear decorrelating detector (LDD). For comparison, the corresponding results for the conventional detector are also presented. It is shown that the LDD can still maintain a considerable performance advantage over the conventional detector even when some synchronization errors exist. Finally, several computer simulations are carried out to verify the theoretical conclusions.
Keywords :
"Multiaccess communication","Frequency synchronization","Phase detection","Phase frequency detector","Mathematical model","Matched filters","Bit error rate","Decorrelation","Computer errors","Computer simulation"
Journal_Title :
IEEE Transactions on Communications
Publisher :
ieee
ISSN :
0090-6778
Type :
jour
DOI :
10.1109/26.477506
Filename :
477506
Link To Document :
بازگشت