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Green Communications with Network Cooperation: A Concurrent Transmission Approach

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3 Author(s)
Xiao Ma ; State Key Lab. of ISN, Xidian Univ., Xi''an, China ; Min Sheng ; Yan Zhang

This letter investigates the benefits of concurrent transmission from the perspective of green communications. A concurrent transmission scheme under the metric of bit-per-joule, modeled as a constrained optimization problem, is proposed to split traffic flow among multiple networks. The threshold of the traffic splitting starting point and the optimal rate allocation of each flow are derived to maximize the system energy efficiency. The results demonstrate that our scheme can save significant power and improve the energy efficiency.

Published in:

Communications Letters, IEEE  (Volume:16 ,  Issue: 12 )