Opportunistic reception in a multiuser slow-fading channel with an energy harvesting receiver

Hajar Mahdavi-Doost; Roy D. Yates

doi:https://doi.org/10.1109/ICC.2015.7248306

Opportunistic reception in a multiuser slow-fading channel with an energy harvesting receiver

Hajar Mahdavi-Doost, Roy D. Yates

School of Engineering, Electrical & Computer Engineering

Rutgers, The State University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

In a time-varying fading channel, opportunistic transmission when the channel is strong is known to yield a significant gain. A similar result appears in the context of multiuser channels where multiuser diversity gain is achieved by serving users with the strongest channels. In contrast, in this paper, we exploit opportunistic channel selection to reduce the processing energy at the receiver side. This saving is derived by increasing the gap between the instantaneous capacity and the code rate, which in turn reduces the required decoding energy. The savings in the processing energy then enables the receiver to sample and process a larger fraction of the packets. We first analyze the single-user case, and propose a signaling scheme that achieves the optimum rate. We then extend this result to a multiuser system.

Original language	English (US)
Title of host publication	2015 IEEE International Conference on Communications, ICC 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	104-109
Number of pages	6
ISBN (Electronic)	9781467364324
DOIs	https://doi.org/10.1109/ICC.2015.7248306
State	Published - Sep 9 2015
Event	IEEE International Conference on Communications, ICC 2015 - London, United Kingdom Duration: Jun 8 2015 → Jun 12 2015

Publication series

Name	IEEE International Conference on Communications
Volume	2015-September

Other

Other	IEEE International Conference on Communications, ICC 2015
Country/Territory	United Kingdom
City	London
Period	6/8/15 → 6/12/15

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

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https://doi.org/10.1109/ICC.2015.7248306

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Mahdavi-Doost, H., & Yates, R. D. (2015). Opportunistic reception in a multiuser slow-fading channel with an energy harvesting receiver. In 2015 IEEE International Conference on Communications, ICC 2015 (pp. 104-109). Article 7248306 (IEEE International Conference on Communications; Vol. 2015-September). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICC.2015.7248306

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title = "Opportunistic reception in a multiuser slow-fading channel with an energy harvesting receiver",

abstract = "In a time-varying fading channel, opportunistic transmission when the channel is strong is known to yield a significant gain. A similar result appears in the context of multiuser channels where multiuser diversity gain is achieved by serving users with the strongest channels. In contrast, in this paper, we exploit opportunistic channel selection to reduce the processing energy at the receiver side. This saving is derived by increasing the gap between the instantaneous capacity and the code rate, which in turn reduces the required decoding energy. The savings in the processing energy then enables the receiver to sample and process a larger fraction of the packets. We first analyze the single-user case, and propose a signaling scheme that achieves the optimum rate. We then extend this result to a multiuser system.",

author = "Hajar Mahdavi-Doost and Yates, {Roy D.}",

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Mahdavi-Doost, H & Yates, RD 2015, Opportunistic reception in a multiuser slow-fading channel with an energy harvesting receiver. in 2015 IEEE International Conference on Communications, ICC 2015., 7248306, IEEE International Conference on Communications, vol. 2015-September, Institute of Electrical and Electronics Engineers Inc., pp. 104-109, IEEE International Conference on Communications, ICC 2015, London, United Kingdom, 6/8/15. https://doi.org/10.1109/ICC.2015.7248306

Opportunistic reception in a multiuser slow-fading channel with an energy harvesting receiver. / Mahdavi-Doost, Hajar; Yates, Roy D.
2015 IEEE International Conference on Communications, ICC 2015. Institute of Electrical and Electronics Engineers Inc., 2015. p. 104-109 7248306 (IEEE International Conference on Communications; Vol. 2015-September).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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N2 - In a time-varying fading channel, opportunistic transmission when the channel is strong is known to yield a significant gain. A similar result appears in the context of multiuser channels where multiuser diversity gain is achieved by serving users with the strongest channels. In contrast, in this paper, we exploit opportunistic channel selection to reduce the processing energy at the receiver side. This saving is derived by increasing the gap between the instantaneous capacity and the code rate, which in turn reduces the required decoding energy. The savings in the processing energy then enables the receiver to sample and process a larger fraction of the packets. We first analyze the single-user case, and propose a signaling scheme that achieves the optimum rate. We then extend this result to a multiuser system.

AB - In a time-varying fading channel, opportunistic transmission when the channel is strong is known to yield a significant gain. A similar result appears in the context of multiuser channels where multiuser diversity gain is achieved by serving users with the strongest channels. In contrast, in this paper, we exploit opportunistic channel selection to reduce the processing energy at the receiver side. This saving is derived by increasing the gap between the instantaneous capacity and the code rate, which in turn reduces the required decoding energy. The savings in the processing energy then enables the receiver to sample and process a larger fraction of the packets. We first analyze the single-user case, and propose a signaling scheme that achieves the optimum rate. We then extend this result to a multiuser system.

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Opportunistic reception in a multiuser slow-fading channel with an energy harvesting receiver

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