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Joint optimization in MIMO multiple relay channels |
Fei YU( ), Luxi YANG |
| School of Information Science and Engineering, Southeast University, Nanjing 210096, China |
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Abstract The joint optimization of cooperative relays in a multiple-input multiple-output (MIMO) multiple relay aided communication system is discussed in this article. A simple linear optimization solution is designed and a multi-user scheduling algorithm is proposed. The new algorithm chooses users with larger cooperation diversity gains from the waiting list to serve; it can reduce inter-user interference and maintain space diversity caused by parallel transmission of multiple relays, and achieve higher system throughput.
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| Keywords
multi-relay cooperation
joint optimization
multi-user scheduling
space diversity
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Corresponding Author(s):
YU Fei,Email:yufei@seu.edu.cn
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Issue Date: 05 June 2009
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