Maximizing Spectral Efficiency for Energy Harvesting-Aware WBAN

Hamed Mosavat-Jahromi, Behrouz Maham, Theodoros A. Tsiftsis

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

In this paper, we investigate the spectral efficiency of a communication link in a wireless body area network (WBAN) capable of harvesting energy from the environment. We consider two scenarios for the transmission which are single- A nd dual-hop and achieve the power management policy for each scenario. In the first scenario, the aim is to maximize the link's spectral efficiency over $N$ time slots subject to the battery capacity, energy harvesting constraint, and WBAN limitations including power and outage probability. In the second scenario, a decode-and-forward relay node is considered, and a spectral efficiency optimization problem with constraints similar to the first scenario is evaluated. In addition, since the channel distribution information is available at the transmitters, the lower and upper bounds of the average spectral efficiency are also derived in both scenarios. Finally, numerical results corroborate the analytical results.

Original languageEnglish
Article number7425153
Pages (from-to)732-742
Number of pages11
JournalIEEE Journal of Biomedical and Health Informatics
Volume21
Issue number3
DOIs
Publication statusPublished - May 1 2017

Keywords

  • Dual-hop
  • energy harvesting
  • lower bound
  • outage probability
  • single-hop
  • spectral efficiency
  • upper bound
  • wireless body area network (WBAN)

ASJC Scopus subject areas

  • Biotechnology
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Health Information Management

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