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Cooperative coding for wireless networks

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2 Author(s)
Stefanov, A. ; Dept. of Electr. & Comput. Eng., Polytech. Univ., Brooklyn, NY, USA ; Erkip, E.

User cooperation represents an effective way of introducing diversity in wireless networks. Spatial diversity gains are obtained through the cooperative use of antennas belonging to several nodes. We design and analyze the performance of channel codes that are capable of achieving the full diversity provided by user cooperation, with the constraint that they also provide the best possible performance in the interuser link. We show that even though the interuser channel is noisy, the codes provide substantial diversity and coding gains over the noncooperative case.

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Communications, IEEE Transactions on  (Volume:52 ,  Issue: 9 )