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Jointly broadcasting data and power with quality of service guarantees

Deekshith, PK and Chougule, Trupthi and Turmari, Shreya and Raju, Ramya and Ram, Rakshitha and Sharma, Vinod (2017) Jointly broadcasting data and power with quality of service guarantees. In: 23rd National Conference on Communications, NCC 2017, 02-04 March 2017, Chennai, India, pp. 1-6.

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Official URL: https://doi.org/10.1109/NCC.2017.8077080


In this work, we consider a scenario wherein an energy harvesting wireless radio equipment sends information to multiple receivers alongside powering them. In addition to harvesting the incoming radio frequency (RF) energy, the receivers also harvest energy from its environment (e.g., solar energy). This communication framework is captured by a fading Gaussian Broadcast Channel (GBC) with energy harvesting transmitter and receivers. In order to ensure some quality of service (QoS) in data reception among the receivers, we impose a minimumrate requirement on data transmission. For the setting in place, we characterize the fundamental limits in jointly transmitting information and power subject to a QoS guarantee, for three cardinal receiver structures namely, ideal, time-switching and power-splitting. We show that a time-switching receiver can switch between information reception mode and energy harvesting mode, without the transmitter's knowledge of the same and without any extra rate loss. We also prove that, for the same amount of power transferred, on average, a power-splitting receiver supports higher data rates compared to a time-switching receiver.

Item Type: Conference Paper
Publisher: Institute of Electrical and Electronics Engineers Inc.
Additional Information: The Copyright of this article belongs to the Institute of Electrical and Electronics Engineers Inc.
Keywords: Energy harvesting; Fading (radio); Radio broadcasting; Radio equipment; Signal receivers; Solar energy; Transmitters; Broadcasting data; Communication framework; Gaussian broadcast channel; Multiple receivers; Quality of service guarantees; Radio frequencies; Receiver structure; Transmitter and receiver; Quality of service
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 13 Jun 2022 05:56
Last Modified: 13 Jun 2022 05:56
URI: https://eprints.iisc.ac.in/id/eprint/73304

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