GDL

Journal from gdlhub / 2019-05-09 14:45:56
Oleh : Leila Sahraoui, Djemil Messadeg, Saliha e Hariz, Noureddine Doghmane, Telkomnika
Dibuat : 2019-05-09, dengan 1 file

Keyword : MC-CDMA, multiuser detection, parallel feedback detection, MMSE, PIC
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/9448
Sumber pengambilan dokumen : WEB

In this paper we propose an iterative parallel decision feedback (P-DF) receivers associated with parallel interference cancellation (PIC) for multicarrier code division multiple access (MC-CDMA) systems in a Rayleigh fading channel (cost 207). First the most widely detection techniques, minimum mean-squared error MMSE, Maximum Likelihood ML and PIC were investigated in order to compare their performances in terms of Bit Error Rate (BER) with parallel feedback detection P-DFD. A MMSE DF detector that employs parallel decision-feedback (MMSE-P-DFD) is considered and shows almost the same BER performance with MMSE and ML, which present a better result than the other techniques. In a second time, an iterative proposed method based on the multi-stage techniques P-DFD (parallel DFD with two stages) and PIC was exploited to improve the performance of the system.

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