Evaluation on the Selective Combining for the Detection of M-ary DPSK Signals over Nakagami Fading Channels

  • Na, Seung-Gwan (Dept Information and Communication, Kyunghee University) ;
  • Kim, Chang-Hwan (Design & Supervision for Communication, Suyang Engineering Co, Ltd) ;
  • Jin, Yong-Ok (Dept Information and Communication, Kyunghee University)
  • Published : 2007.06.30


The performances of M-ary DPSK(MDPSK) for diversity reception theoretically are derived, using an L-branch selection combining(SC) in frequency-nonselective slow Nakagami fading channels. For integer values of the Nakagami fading parameter m, An exact closed-form symbol error rate(SER) multichannel performance that can be easily evaluated via numerical integration is presented. Finally, we compare these analyses with numerical analyses with integral-form expressions for the performance of MDPSK signals under the effect of two-branch SC diversity over slow and nonselective Rician fading channels with additive white Gaussian noise(AWGN).


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