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

页数：5

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