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| Power Allocation Algorithm of Maximizing Rate for D2D Full-duplex Communication in Cognitive Networks |
| XIE Xianzhong TIAN Yu YAO Xinling LEI Weijia |
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Abstract In the cognitive D2D (Device-to-Device) full-duplex communication network, there is the interference problem when D2D UsErs (DUEs) share the same spectrum with Cellular UsErs (CUEs) in the uplink, a power allocation scheme is proposed to maximize transmission rate. In the scheme, firstly, the cognitive D2D full-duplex communication model is described. Meanwhile, the uplink interference and the corresponding transmission rates at the base station and DUEs are analyzed. Secondly, a power allocation algorithm is proposed to maximize the DUEs’ transmission rate in cognitive radio system. Simulation results show that the proposed algorithm can improve the spectrum efficiency and the overall transmission rate of the system in the uplink of the cognitive D2D full-duplex communication network.
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Received: 03 June 2016
Published: 22 January 2017
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| Fund: The National Natural Science Foundation of China (61271259, 61471076), The Research Project of Chongqing Education Commission (KJ130536), The Program for Changjiang Scholars and Innovative Research Team in University (IRT1299), The Special Fund of Chongqing Key Laboratory (CSTC) |
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Corresponding Authors:
XIE Xianzhong
E-mail: xiexzh@cqupt.edu.cn
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