NDLI: Time-switching based SWPIT for network-coded two-way relay transmission with data rate fairness

Content Provider	IEEE Xplore Digital Library
Author	Ke Xiong Pingyi Fan Ben Letaief, K.
Copyright Year	2015
Description	Author affiliation: Sch. of Comput. & Inf. Technol., Beijing Jiaotong Univ., Beijing, China (Ke Xiong) \|\| Hong Kong Univ. of Sci. & Technol. (HKUST), Hong Kong, China (Ben Letaief, K.) \|\| Dept. of Electron. Eng., Tsinghua Univ., Beijing, China (Pingyi Fan)
Abstract	This paper investigates the simultaneous wireless power and information transfer (SWPIT) for network-coded two-way relay transmission from an information theoretical viewpoint, where two sources exchange information via an energy harvesting relay. By considering the time switching (TS) relay receiver architecture, we present the TS-based two-way relaying (TS-TWR) protocol. In order to explore the system throughput limit with data rate fairness, we formulate an optimization problem under total power constraint. To solve the problem, we first derive some explicit results and then design an efficient algorithm. Numerical results show that with the same total available power, TS-TWR has a certain performance loss compared with conventional non-EH two-way relaying due to the path loss effect on energy transfer, where in relatively low and relatively high SNR regimes, the performance losses are relatively small.
Starting Page	5535
Ending Page	5539
File Size	288842
Page Count	5
File Format	PDF
ISBN	9781467369978
DOI	10.1109/ICASSP.2015.7179030
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-04-19
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Wireless communication Energy harvesting Optimization Network coding Joints Wireless sensor networks data rate fairness wireless power transfer two-way relay
Content Type	Text
Resource Type	Article

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