Title :
The use of decorrelation and code division multiplexed pilots for DS-CDMA systems with multiantenna receivers
Author :
D´Amours, Claude ; Salam, Naser
Author_Institution :
Sch. of Inf. Technol. & Eng., Univ. of Ottawa, Ottawa, ON, Canada
Abstract :
In this paper, we investigate the use of code division multiplexed (CDM) pilots for channel estimation for direct-sequence code division multiple access (DS-CDMA) systems with multiple receive antennas. Decorrelation is used on the output of each receive antenna to remove MAI from both the data and pilot streams. This leads to more reliable channel estimation which in turn reduces the combination loss. We look at the bit error rate (BER) performance of this system in flat Rayleigh fading.
Keywords :
Rayleigh channels; channel estimation; code division multiple access; code division multiplexing; decorrelation; error statistics; radio receivers; radiofrequency interference; receiving antennas; spread spectrum communication; BER; CDM pilots; DS-CDMA systems; MAI; bit error rate; channel estimation; code division multiplexed pilots; direct-sequence code division multiple access systems; flat Rayleigh fading; multiantenna receivers; multiple access interference; receive antennas; Bit error rate; Channel estimation; Decorrelation; Fading; Multiaccess communication; Receiving antennas;
Conference_Titel :
Signal Processing Conference, 2005 13th European
Conference_Location :
Antalya
Print_ISBN :
978-160-4238-21-1
