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This paper mainly illustrates the Bit error rate performance of M-ary QAM andM-ary PSK for different values of SNR over Rician Fading channel. A signalexperiences multipath propagation in the wireless communication system whichcauses expeditious signal amplitude fluctuations in time, is defined as fading.Rician Fading is a small signal fading. Rician fading is a hypothetical modelfor radio propagation inconsistency produced by fractional cancellation of aradio signal by itself and as a result the signal reaches in the receiver byseveral different paths. In this case, at least one of the destination paths isbeing lengthened or shortened. From this paper , it can be observed that thevalue of Bit error rate decreases when signal to noise ratio increases indecibel for Mary QAM and M-ary PSK such as 256 QAM, 64 PSK etc. Constellationdiagrams of M-QAM and M-PSK have also been showed in this paper using MATLABSimulation. The falling of Bit error rate with the increase of diversity orderfor a fixed value of SNR has also been included in this paper. Diversity is ainfluential receiver system which offers improvement over received signalstrength.

Bit Error Rate Analysis of M-ARY PSK and M-ARY QAM Over Rician Fading Channel