Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/102514
Title: An energy efficient MAC protocol for multi-hop swallowable body sensor networks
Authors: Lin, Lin
Yang, Chengfeng
Yan, Hao
Shen, Junwen
Phee, Soo Jay
Wong, Kai Juan
Keywords: DRNTU::Engineering::Computer science and engineering::Computer applications::Life and medical sciences
Issue Date: 2014
Source: Lin, L., Yang, C., Wong, K., Yan, H., Shen, J., & Phee, S. (2014). An energy efficient MAC protocol for multi-hop swallowable body sensor networks. Sensors, 14(10), 19457-19476.
Series/Report no.: Sensors
Abstract: Swallowable body sensor networks (BSNs) are composed of sensors which are swallowed by patients and send the collected data to the outside coordinator. These sensors are energy constraint and the batteries are difficult to be replaced. The medium access control (MAC) protocol plays an important role in energy management. This paper investigates an energy efficient MAC protocol design for swallowable BSNs. Multi-hop communication is analyzed and proved more energy efficient than single-hop communication within the human body when the circuitry power is low. Based on this result, a centrally controlled time slotting schedule is proposed. The major workload is shifted from the sensors to the coordinator. The coordinator collects the path-loss map and calculates the schedules, including routing, slot assignment and transmission power. Sensor nodes follow the schedules to send data in a multi-hop way. The proposed protocol is compared with the IEEE 802.15.6 protocol in terms of energy consumption. The results show that it is more energy efficient than IEEE 802.15.6 for swallowable BSN scenarios.
URI: https://hdl.handle.net/10356/102514
http://hdl.handle.net/10220/24262
ISSN: 1424-8220
DOI: 10.3390/s141019457
Rights: © 2014 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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