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Influences of user's posture and contact conditions of electrodes on the transmission characteristics of human body communication (HBC) were studied. A subject wore a transmitter on the left wrist and touched the receiver electrode with his right or left index finger. User's postures were selected from possible scenarios in practical applications. Electrodes of the transmitter and/or the receiver...
Human body communication (HBC) is a wireless transmission method that utilizes the human body as part of the transmission medium. In HBC, a high-frequency signal is transmitted by a current flowing through the body surface and via the near-field electric field around it. Due to the lack of specific equipment and tools to measure HBC transmission characteristics, HBC systems are still in the development...
When a transmitter for human body communication is worn by a human user, this transmitter-human body system can be regarded as a signal source as viewed from a receiver that is in contact with the human body. We evaluated the equivalent output impedance of this signal source, which is an important parameter for front end design of a receiver. The impedance was capacitive and the value was in the order...
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