Energy-efficient precoding in multicell networks with full-duplex base stations

被引:9
作者
Sheng, Zhichao [1 ,2 ]
Hoang Duong Tuan [2 ]
Ho Huu Minh Tam [2 ]
Nguyen, Ha H. [3 ]
Fang, Yong [1 ]
机构
[1] Shanghai Univ, Sch Commun & Informat Engn, Shanghai, Peoples R China
[2] Univ Technol Sydney, Fac Engn & Informat Technol, Sydney, NSW 2007, Australia
[3] Univ Saskatchewan, Dept Elect & Comp Engn, Saskatoon, SK, Canada
关键词
Energy efficiency; Cooperative multicell network; Full-duplexing transceiver; Precoder design; Path-following convex quadratic programming; SUM-RATE MAXIMIZATION; CELLULAR NETWORKS; SELF-INTERFERENCE; POWER-CONTROL; MIMO; DESIGN; SYSTEM; ALGORITHM; CAPACITY; DUALITY;
D O I
10.1186/s13638-017-0831-5
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper considers multi-input multi-output (MIMO) multicell networks, where the base stations (BSs) are full-duplex transceivers, while uplink and downlink users are equipped with multiple antennas and operate in a half-duplex mode. The problem of interest is to design linear precoders for BSs and users to optimize the network's energy efficiency. Given that the energy efficiency objective is not a ratio of concave and convex functions, the commonly used Dinkelbach-type algorithms are not applicable. We develop a low-complexity path-following algorithm that only invokes one simple convex quadratic program at each iteration, which converges at least to the local optimum. Numerical results demonstrate the performance advantage of our proposed algorithm in terms of energy efficiency.
引用
收藏
页数:13
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