Performance analysis of MIMO MC-CDMA system using multi equalizers

Kirubakaran, J.; Venkatesan, G. K. D. Prasanna

doi:10.1109/iceice.2017.8191882

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2018

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“…The MC-CDMA is an efficient technique that mitigates problems like spectral limitation and distortion due to multipath fading channels. Advantages of this technique are its robustness in case of multipath propagation, improve security and minimize the intersymbol interference ISI [1,2].…”

Section: Introductionmentioning

confidence: 99%

Multiuser Detection with Decision-Feedback Detectors and PIC in MC-CDMA System

et al. 2018

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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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Section: Introductionmentioning

confidence: 99%