Title :
Performance Improvement of Multiuser Detector Using Probabilistic Data Association in CDMA Systems
Author :
Cheng-Hsiu Li ; Leu, Jenn-Sen
Author_Institution :
Quanta Comput. Inc., Taoyuan
Abstract :
In this paper, we propose a new initial probability setting method for the multiuser detector using probabilistic data association (PDA). It is done by using the soft-decision of decorrelating multiuser detector´s output. Our results show that it can reduce the computational complexity of multiuser detector using probabilistic data association and maintain almost the same bit error rate in the CDMA systems.
Keywords :
code division multiple access; probability; CDMA system; multiuser detector; probabilistic data association; probability setting method; Bit error rate; Code division multiplexing; Computational complexity; Decorrelation; Detectors; Maximum likelihood detection; Multiaccess communication; Multiple access interference; Personal digital assistants; Wireless communication; CDMA; multiuser detector; probabilistic data association (PDA);
Conference_Titel :
Systems, Man and Cybernetics, 2006. SMC '06. IEEE International Conference on
Conference_Location :
Taipei
Print_ISBN :
1-4244-0099-6
Electronic_ISBN :
1-4244-0100-3
DOI :
10.1109/ICSMC.2006.385016
