OnthePerformance ofLDPCcodedMC-CD-MAinRayleigh Fading Channels

In this paper, we evaluate the performance analysis arepresented inthis performance ofLDPCcoded MC-CDDMA in paper. Rayleigh fading channels. Wederive anexact Theremaining ofthis paper isorganized as expression ofthevariance ofmultiuserfollows: thesystem model isshown insection interference andobtain theoptimal maximum II. Insection III, themaximal ratio combining numberofiterations inLDPC decoding.(MRC)andminimummeansquare error Compared toturbo codedMC-CDMA,the combining (MMSEC)aredescribed. In LDPCcodedMC-CDMAhasadvantages in section IV,we investigate themultiuser BER performance andcomplexity. The interference (MUI)andnoise, andderive an simulation results alsoshowthat thesystem accurate expression ofthevariance ofMIJI. USing MMSECoutperforms thesystem using Thesimulation results andconclusions are MRCinBERperformaance andcomplexity.presented anddiscussed insection V and Section VI,respectively.