Joint Transmit Power and Time-Switching Control for Device-to-Device Communications in SWIPT Cellular Networks

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In this letter, we consider the device-to-device (D2D) communication in cellular networks, where both the cellular user (CU) and D2D receiver (DR) decode information and harvest the energy. Unlike the conventional D2D communications, we figure out that it is possible for the D2D pair to communicate without degrading the performance of the CU. Based on this observation, two schemes changing time duration of the D2D transmission are investigated for D2D rate maximization subject to maintaining the CU performance. By analytically comparing the performance of the two schemes, we obtain useful insights into the D2D transmission in simultaneous wireless information and power transfer (SWIPT) cellular networks. Furthermore, utilizing this analysis, a closed-form scheme is proposed for fading channels.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2019-02
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.23, no.2, pp.322 - 325

ISSN
1089-7798
DOI
10.1109/LCOMM.2018.2883432
URI
http://hdl.handle.net/10203/251644
Appears in Collection
EE-Journal Papers(저널논문)
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