Modulation diversity benefits in cooperative communications

Nauman F. Kiyani, Umar H. Rizvi, Guido Dolmans

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2 Citations (Scopus)


In this paper we propose modulation diversity as a candidate diversity scheme for uncoded cooperative communication in wireless networks with decode-and-forward (DF) communication protocol. A performance analysis of such a scheme in Nakagami-m fading channels in the presence of additive white Gaussian noise (AWGN) is presented. An upper bound on the average probability of bit error (Pb) and average probability of symbol error (Ps) is derived for M-ary phase shift keying (MPSK) modulation schemes. It is shown that the system employing employing modulation diversity is able to provide a performance improvement of 5 dB at a bit error rate of 10-4 as compared to the conventional cooperative communication systems. We introduce a power allocation factor and show that equal power allocation is not the optimal solution. Furthermore, we also analyze the effect of different rotation angles and power allocation on the system performance.

Original languageEnglish
Title of host publication2010 Wireless Telecommunications Symposium, WTS 2010
PublisherInstitute of Electrical and Electronics Engineers
Number of pages5
ISBN (Print)9781424465576
Publication statusPublished - 13 Jul 2010
Externally publishedYes
Event9th Annual Wireless Telecommunications Symposium, (WTS 2010) - Tampa, United States
Duration: 21 Apr 201023 Apr 2010


Conference9th Annual Wireless Telecommunications Symposium, (WTS 2010)
Abbreviated titleWTS2010
Country/TerritoryUnited States


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