Minimum Power Density Criterion Based Relay Selection and Power Allocation for Wireless Avionics Intra-Communications

被引：0

作者：

Zuo, Yuanjun ^{[1
]}

Li, Qiao ^{[1
]}

Lu, Guangshan ^{[1
]}

Xiong, Huagang ^{[1
]}

机构：

[1] Beihang Univ, Sch Elect & Informat Engn, Beijing 100191, Peoples R China

来源：

IEEE ACCESS | 2021年 / 9卷

基金：

中国国家自然科学基金;

关键词：

Relays; Wireless communication; Aerospace electronics; Power system measurements; Density measurement; Resource management; Aircraft; Outage probability; relay selection; UWB; WAIC; wireless communication;

D O I：

10.1109/ACCESS.2021.3061461

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Wireless relay technology improves information capacity and brings diversity gain for wireless avionics intra-communications (WAIC) which will replace some cabling interconnections in aircraft. An amplify-and-forward(AF) relay selection scheme considering transmitter power level in the cabin has been proposed, with physical layer of multi-band Orthogonal Frequency-Division Multiplexing Ultra-wide band (MB-OFDM-UWB), of which outage probability performance is characterized in terms of the cluster and ray arrival rates. Furthermore, minimum power density principle based relay selection and power allocation scheme (MPRP) has been proposed to mitigate the limitation. In particular, Quasi-Newton method is used to solve nonlinear systems in the calculation of power distribution factor. Simulation results demonstrate that the proposed MPRP scheme achieves the optimized system energy efficiency.

引用

页码：33811 / 33825

页数：15

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