Miniaturized implantable wireless sensor system for realtime measurement of well-being of fishes

A miniaturized and implantable wireless underwater sensor system for realtime monitoring of vital parameters for sweet water fishes is presented. The wireless communication between the nodes and the gateway is realized by a RF radio link with a datarate of 250kbps. The sensor nodes are directly implanted under the membrane of the fish and sample eight different sensors every second. With a lifetime of nearly one month with a coin cell battery the system delivers fine granulate data about the well-fare of the fish. Complex analytic-software can use the data for dedicated diagnostics.