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Reliable and Energy-Efficient Communications for Wireless Biomedical Implant Systems | IEEE Journals & Magazine | IEEE Xplore

Reliable and Energy-Efficient Communications for Wireless Biomedical Implant Systems


Abstract:

Implant devices are used to measure biological parameters and transmit their results to remote off-body devices. As implants are characterized by strict requirements on s...Show More

Abstract:

Implant devices are used to measure biological parameters and transmit their results to remote off-body devices. As implants are characterized by strict requirements on size, reliability, and power consumption, applying the concept of cooperative communications to wireless body area networks offers several benefits. In this paper, we aim to minimize the power consumption of the implant device by utilizing on-body wearable devices, while providing the necessary reliability in terms of outage probability and bit error rate. Taking into account realistic power considerations and wireless propagation environments based on the IEEE P802.l5 channel model, an exact theoretical analysis is conducted for evaluating several communication scenarios with respect to the position of the wearable device and the motion of the human body. The derived closed-form expressions are employed toward minimizing the required transmission power, subject to a minimum quality-of-service requirement. In this way, the complexity and power consumption are transferred from the implant device to the on-body relay, which is an efficient approach since they can be easily replaced, in contrast to the in-body implants.
Published in: IEEE Journal of Biomedical and Health Informatics ( Volume: 18, Issue: 6, November 2014)
Page(s): 1848 - 1856
Date of Publication: 14 January 2014

ISSN Information:

PubMed ID: 25375682

References

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