BodyNets '13 Proceedings of the 8th International Conference on Body Area Networks
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In this paper for the first time ever a strength (energy) based receiver architecture of binary pulse amplitude modulated (PAM) concentration-encoded molecular communication (CEMC) system between communicating nanomachines has been presented. We also analyze the communication range and data rate dependent signal detection characteristics of a PAM CEMC system in a three dimensional ideal (free) diffusion based unbounded propagation environment. A unicast CEMC channel with a single type of information molecules has been assumed to carry the information from the transmitting nanomachine (TN), through the propagation medium, to the receiving nanomachine (RN) in the form of received concentration of information molecules at the location of the receptor of the RN. We develop a mathematical model of strength based detection method for a PAM CEMC system, explain its dependence on communication range and transmission data rate, compare it with a single pulse transmission case, and determine the impacts of intersymbol interference (ISI) contributed by all the previous bits of information to the current bit duration.