Vol. 32,  No. 12, pp. 1244-1250, Dec.  2007


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  Abstract

User cooperation provides high reliability in wireless communication systems by employing relay nodes to transmit the same information. In this paper, a bit error rate (BER) study is presented for decode-and-forward (DF) relaying for user cooperation in independent and identically distributed Rayleigh fading channels. For an arbitrary number of relays, exact and closed-form expressions of the BER are proposed for M-ary PAM (Pulse Amplitude Modulation), QAM (Quadrature Amplitude Modulation) and PSK (Phase Shift Keying), respectively. It is also shown that the analytic results are perfectly matched with the simulated ones.

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  Cite this article

[IEEE Style]

I. Lee and D. Kim, "," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 12, pp. 1244-1250, 2007. DOI: .

[ACM Style]

In-Ho Lee and Dongwoo Kim. 2007. . The Journal of Korean Institute of Communications and Information Sciences, 32, 12, (2007), 1244-1250. DOI: .

[KICS Style]

In-Ho Lee and Dongwoo Kim, "," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 12, pp. 1244-1250, 12. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880