Decode-and-Forward Relaying Using a Backscatter Device: Power Allocation and BER Analysis

被引：4

作者：

Jia, Xiaolun ^{[1
]}

Zhou, Xiangyun ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Elect Energy & Mat Engn, Canberra, ACT, Australia

来源：

2019 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM) | 2019年

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.1109/globecom38437.2019.9014315

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We consider the use of a backscatter device as a relay, and examine a new decode-and-forward (DF) scheme specifically designed for backscatter relaying. In the proposed scheme, the source node transmits continuous-wave (CW) signals to power the backscatter relay in the relay-to-destination phase of the data transmission. We characterise the end-to-end bit error rate (BER) performance for on-off keying (OOK) modulation. In addition, we formulate and solve a power allocation problem at the source node, where the source is subject to a power budget constraint. Numerical results show that the relay-to-destination link is the bottleneck for the end-to-end performance; and that it is essential to allocate most of the source's power budget to its transmission of CW signals to power the relay's transmission.

引用

页数：6

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