Transmit Antenna Selection for Multi-User Underlay Cognitive Transmission With Zero-Forcing Beamforming

被引：0
作者：
Hanif, Muhammad [1 ]
Yang, Hong-Chuan [1 ]
Alouini, Mohamed-Slim [2 ]
机构：
[1] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC, Canada
[2] King Abdullah Univ Sci & Technol, Comp Elect & Math Sci & Engn CEMSE Div, Thuwal, Makkah Province, Saudi Arabia
来源：
2016 IEEE 84TH VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL) | 2016年
关键词：
Antenna subset selection; Gram-Schmidt orthogonalization; underlay cognitive radio; water-filling; zero-forcing beamforming; RADIO; CAPACITY;
D O I：
暂无
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：
We present a transmit antenna subset selection scheme for an underlay cognitive system serving multiple secondary receivers. The secondary system employs zero-forcing beamforming to nullify the interference to multiple primary users and eliminate inter-user interference to the secondary users simultaneously. Simulation results show that the proposed scheme achieves near-optimal performance with low computational complexity. Lastly, an optimal power allocation strategy is also introduced to improve the secondary network throughput.
引用
收藏
页数：5
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