In healthcare monitoring and in wearable sports applications, sensor nodes are placed on the human body which need to communicate between each other. Besides, many applications that require higher data rate communication such as cardiac vascular sensors, cardio defibrillators and neuroprosthetics devices now exist in the market. Due to the growth of sensors that require high data rate, the demand of high bandwidth has
increased. Generally, three different techniques have been used to propagate a signal on the human body: Galvanic coupling, capacitive coupling and RF links. Usually higher frequencies are not suitable for IBC due to the lossy nature of biological tissues. On the other hand, low frequencies cannot support high bandwidth.
For this reason, we have investigated the possibilities of using different human tissue channels to support low loss microwaves communication. Microwaves are attenuated by the human body due to the high dielectric losses of skin and muscle tissues. For this work, however, we propose the communication through the fat tissue, which offers lower losses for microwave propagation compared to other tissues. We have previously demonstrated the feasibility of using fat tissue as a low loss microwave transmission channel for IBC and we have demonstrated successful communication scenario, where real data has been transferred through Fat-IBC.