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Performance Analysis of a Novel Cooperative Transmission Scheme in Wireless Networks

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3 Author(s)
Van Khuong, Ho ; Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, QC ; Pham Hong Lien ; Hyung Yun Kong

Cooperative transmission is an efficient solution to improve the performance of wireless communications over fading channels without the need for physical co-located antenna arrays. Current cooperative transmission schemes for two users can only achieve maximum diversity order of 2. In this paper, we propose a novel cooperative transmission scheme with amplify-and-forward relay which can obtain the diversity order of 3. Its closed-form BER expression is also derived and confirmed by Monte-Carlo simulations. A variety of simulated and numerical results under flat Rayleigh fading channel plus AWGN (Additive White Gaussian Noise) shows that the proposed scheme saves a significant amount of consumed power compared to non-cooperation counterpart subject to the same BER performance and bandwidth efficiency.

Published in:

Advanced Communication Technology, 2008. ICACT 2008. 10th International Conference on  (Volume:1 )

Date of Conference:

17-20 Feb. 2008