Title :
Performance of a complex spread multicode CDMA Rake receiver with imperfect channel estimation
Author :
Hsiao, Chih-Hsiang ; Lin, Yuan-Bin ; Su, Yu.T.
Author_Institution :
Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
The bit error rate (BER) performance of a multicode CDMA RAKE receiver over band-limited fading channels is analyzed in this paper. We consider a pilot-assisted channel estimation mechanism and investigate, among others, the effect of imperfect channel estimation, Our analysis removes some idealized assumptions used in earlier efforts, taking multiple access interference, interchannel interference (ICI), and the effects of bandlimiting as well as time-varying correlated multipath fading all into account. As a result, we are able to obtain more accurate performance prediction and assess the impacts of some system parameters that have not been considered before.
Keywords :
adjacent channel interference; bandlimited communication; channel estimation; code division multiple access; correlation theory; error statistics; fading channels; multipath channels; radio receivers; spread spectrum communication; time-varying channels; BER; ICI; Rake receiver; band-limited fading channel; bit error rate; complex spread multicode CDMA; imperfect channel estimation; interchannel interference; multipath channel; multiple access interference; pilot-assisted channel estimation; time-varying correlated channel; Baseband; Bit error rate; Channel estimation; Fading; Multiaccess communication; Multimedia systems; Multipath channels; Multiple access interference; Performance analysis; RAKE receivers;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on
Print_ISBN :
0-7803-8523-3
DOI :
10.1109/PIMRC.2004.1368387
