Theory and practice of molecular communication

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This proposal concerns molecular communication. Molecular communication is a rapidly emerging technique with numerous applications, including nanoscale networking and communication in harsh environments. Using molecular communication, the transmitter encodes messages by releasing patterns of molecules, and conveys those messages to the receiver using physical principles such as Brownian motion. For example, a bit could be sent by releasing one or more molecules of a detectable compound such as ethanol (representing 1), or releasing nothing (representing 0), as a form of on-off keying. The compound could propagate from transmitter to receiver using free diffusion, and an ethanol detector at the receiver would measure when the molecules arrive. Noise in this example takes the form of either the random propagation process of the molecules, or noise in the detector. Many other modulation techniques have been proposed and studied in the molecular communication literature.