Antennas and Propagation for In-Mouth Tongue-Controlled Devices in Wireless Body Area Networks
Tetraplegic patients have to depend upon someone else for moving the wheelchair or typing on a computer. One amongst the ways that to create them freelance is by using tongue-controlled in-mouth wireless devices. This letter presents antennas and propagation for such devices in a pair of.45-GHz ISM band. A monopole and a loop antenna appropriate in size and performance is presented for such devices. The propagation link between the in-mouth antenna and an external antenna is measured by mimicking the use-case scenarios of such devices by placing an external antenna on a laptop and on a chair. The link loss is found to be within the vary of 55-75 dB relying upon the antenna sort and the situation. Using these values of the link loss, a reliable link will be established between the in-mouth device and therefore the external device either mounted on a wheelchair or a pc.
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