Throughput Maximization Transmission Scheme for Virtual MIMO in Clustered Wireless Sensor Networks

被引：0

作者：

Wang, Li ^{[1
]}

Dong, Yuhan ^{[1
]}

Zhang, Xuedan ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Shenzhen Key Lab Informat Sci & Technol, Beijing, Peoples R China

来源：

2013 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC) | 2013年

关键词：

Virtual multiple-input-multiple-output; energy consumption; outage probability; throughput optimization; COOPERATIVE COMMUNICATION; DIVERSITY;

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 consider a clustered wireless sensor network where sensors are randomly distributed within a circle area with the only cluster head in the center. After the cluster head broadcasts source message to nearby sensor nodes, those neighboring nodes which have successfully decoded the message may help relay data for the head to the destination using space-time block coding (STBC) scheme to form a virtual multi-input-multi-output (vMIMO) system. We first analyze the average outage performance and overall energy consumption including transmission energy and the circuit energy. We then present a transmission scheme to maximize system throughput as well as its performance dependence on data rate and power allocation decisions. Numerical results have validated the proposed scheme and shown the significant throughput increment with appropriate data rate and power allocation decisions.

引用

页码：3632 / 3636

页数：5

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