Abstract
This paper proposes a channel sounder to measure the channel properties of an implantable device that transmits data from inside to outside the human body. The proposed channel sounder measures the receiving power of a signal transmitted from outside the human body. The channel sounder is equipped with a Bluetooth module that enables the wireless transmission of the receiving power outside the human body. Wireless transmission enables the channel measurement by isolating the transmitter and receiver inside the channel sounder. Using the proposed channel sounder, the channel properties can be measured without any interference between the transmitter and the receiver.
Highlights
Implantable devices have gained considerable attention owing to the commercialization of various healthcare services [1,2,3]
For the out-body to inbody channel, the channel measurement can be performed using a wired channel sounder, where twisted pairs or coaxial cables are connected between the channel transmitter and the receiver in the channel sounder [5,6,7]
The cable connection acts as a physical interference and limits the mobility of the channel sounder
Summary
Implantable devices have gained considerable attention owing to the commercialization of various healthcare services [1,2,3]. For the out-body to inbody channel, the channel measurement can be performed using a wired channel sounder, where twisted pairs or coaxial cables are connected between the channel transmitter and the receiver in the channel sounder [5,6,7]. Such a cable connection causes interference during the channel measurement of the out-body and in-body channels. The cable connection acts as a physical interference and limits the mobility of the channel sounder Implantable devices, such as capsule endoscopes, can rotate freely inside internal organs. Common ground sharing is unrealistic considering the real applications of implantable devices that are wirelessly connected to a device outside the human body. It is impossible to accurately measure the realistic considering the real applications of implantable devices that are wirelessly con-
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