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Wireless telemetry system

Telemetry refers to a communications process by which measurements are made and/or other data collected at remote or inaccessible points, and transmitted to a receiving equipment for monitoring, display, and/or recording. Remote telemetry is a technique by which telemetry data collected at a remote location is collected in a central repository (e.g., a host computer) for analysis and archival purposes. Originally, the information was sent over wires, but modern telemetry systems more commonly use radio transmission. Telemetry systems normally comprise a transmitter for transmitting electromagnetic signals, e.g. from a measurement, and a receiver for receiving the electromagnetic signals from the transmitter. Wireless telemetry is a wireless communication process by which data transmitted (using wireless radio transmission) to a receiving equipment for monitoring, display, and/or recording. A typical radio telemetry system employs different modulation methods and multiplexing techniques to transmit information produced by multiple sensors to a user's location remote from the sensors. Well known methods of modulating a carrier frequency to convey information include amplitude modulation, frequency modulation, phase modulation, and pulse modulation. Well known multiplexing methods include frequency division multiplexing and time division multiplexing.

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