Accurate Human Tissue Characterization for Energy-Efficient Wireless On-Body Communications



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Vallejo, Mónica and Recas, Joaquín and García del Valle, Pablo and Ayala Rodrigo, José Luis (2013) Accurate Human Tissue Characterization for Energy-Efficient Wireless On-Body Communications. Sensors, 13 (6). pp. 7546-7569. ISSN 1424-8220

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The demand for Wireless Body Sensor Networks (WBSNs) is rapidly increasing due to the revolution in wearable systems demonstrated by the penetration of on-the-body sensors in hospitals, sports medicine and general health-care practices. In WBSN, the body acts as a communication channel for the propagation of electromagnetic (EM) waves, where losses are mainly due to absorption of power in the tissue. This paper shows the effects of the dielectric properties of biological tissues in the signal strength and, for the first time, relates these effects with the human body composition. After a careful analysis of results, this work proposes a reactive algorithm for power transmission to alleviate the effect of body movement and body type. This policy achieves up to 40.8% energy savings in a realistic scenario with no performance overhead.

Item Type:Article
Uncontrolled Keywords:Wireless Body Sensor Networks (WBSNs); human body communication; Received Signal Strength Indication (RSSI); body type; tissues; electromagnetic
Subjects:Sciences > Computer science > Artificial intelligence
Medical sciences > Medicine > Medical telematics
ID Code:67836
Deposited On:17 Sep 2021 10:44
Last Modified:17 Sep 2021 10:49

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