SIR-based RAKE receiver finger assignment algorithm

Author

Abou-Khousa, Mohamed ; El-Tarhuni, Mohamed

Author_Institution

Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada

Volume

2

fYear

2003

fDate

14-17 Dec. 2003

Firstpage

639

Abstract

In this paper, a new scheme for assigning RAKE fingers in CDMA systems is proposed. The proposed finger assignment strategy uses the per-path signal-to-interference ratio (SIR) rather than the average signal strength commonly used in conventional systems. Significant improvement in performance is achieved in terms of the bit-error probability and probability of multipath detection. Analytical and simulations results are presented to show such gains. We also present a novel algorithm for estimating the SIR per path.

Keywords

3G mobile communication; AWGN channels; Rayleigh channels; code division multiple access; correlators; error statistics; multipath channels; radio receivers; CDMA systems; RAKE receiver; additive white Gaussian noise; bit-error probability; correlators; finger assignment algorithm; frequency-selective Rayleigh fading channel; multipath detection probability; per-path signal-to-interference ratio; random spreading codes; searcher algorithm; third generation wireless communication; Analytical models; Circuits; FAA; Fading; Fingers; Interference; Multiaccess communication; Multipath channels; RAKE receivers; Wireless communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronics, Circuits and Systems, 2003. ICECS 2003. Proceedings of the 2003 10th IEEE International Conference on

Print_ISBN

0-7803-8163-7

Type

conf

DOI

10.1109/ICECS.2003.1301866

Filename

1301866