Journal article

Ambient Backscatter Communication Systems: Capacity and Outage Performance Analysis

Wenjing Zhao, Gongpu Wang, Rongfei Fan, Li-Sheng Fan, Saman Atapattu

IEEE ACCESS | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | Published : 2018

Abstract

Ambient backscatter is an emerging green communication technology that exploits the environmental radio frequency (RF) signals to enable passive devices to communicate with each other. This paper investigates channel capacity and outage performance of ambient backscatter communication systems. Specifically, a calculation method is proposed to facilitate capacity analysis, and the ambient backscatter system capacities are derived in the case of four different RF signals. It is surprisingly found that the channel capacity is obtained when the RF signals are not equiprobably backscattered by tag, and that the capacity with complex Gaussian RF signals is not exactly twice that with real ones for..

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Grants

Awarded by National Natural Science Foundation of China (NSFC)


Awarded by NSFC


Awarded by Fundamental Research Funds for the Central Universities


Awarded by Key Laboratory of Universal Wireless Communications, Ministry of Education, China


Awarded by Australian Research Council


Funding Acknowledgements

This work was supported in part by the Beijing Intelligent Logistics System Collaborative Innovation Center, in part by the National Natural Science Foundation of China (NSFC) under Grant 61571037, in part by NSFC Outstanding Youth under Grant 61725101, in part by the Fundamental Research Funds for the Central Universities under Grant 2016JBZ006, in part by the Key Laboratory of Universal Wireless Communications, Ministry of Education, China, under Grant KFKT-2018104, and in part by the Australian Research Council's Discovery Early Career Researcher Award under Grant DE160100020.