Computer Science – Networking and Internet Architecture
Scientific paper
2012-02-09
International Journal of Computer Networks & Communications (IJCNC), Vol.4, No.1, January 2012
Computer Science
Networking and Internet Architecture
12 pages
Scientific paper
10.5121/ijcnc.2012.4112
In this paper, iterative multi-user detection techniques for multi-beam communications are presented. The solutions are based on a successive interference cancellation architecture and a channel decoding to treat the co-channel interference. Beams forming and channels coefficients are estimated and updated iteratively. A developed technique of signals combining allows power improvement of the useful received signal; and then reduction of the bit error rates with low signal to noise ratios. The approach is applied to a synchronous multi-beam satellite link under an additive white Gaussian channel. Evaluation of the techniques is done with computer simulations, where a noised and multi-access environment is considered. The simulations results show the good performance of the proposed solutions.
Bouallegue Ridha
Chaouech Helmi
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