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An overview of cooperative communications

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3 Author(s)
Xiaofeng Tao ; Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications ; Xiaodong Xu ; Qimei Cui

Cooperative communications have recently been migrated to one of state-of-the-art features of 3GPP LTE-Advanced (LTE-A). Cooperative communications fundamentally change the abstraction of a wireless link and offer significant potential advantages for wireless communication networks. This article visits cooperative techniques, such as relay, distributed antennas systems (DAS), multicell coordination, Group Cell, Coordinated Multiple Point transmission and reception (CoMP), those turn the traditional cellular system into a cooperative system. In particular, we propose several joint processing policies to demonstrate the Group Cell (CoMP) concept. Results of a trial network implementation and a performance evaluation of the concept are also reported.

Published in:

IEEE Communications Magazine  (Volume:50 ,  Issue: 6 )