Adaptive Compression of Telemetry Data using Application Specific Dictionaries

During Phase I, Vadum developed a novel combination of lossless predictors and compression techniques that successfully increased compression on a government furnished telemetry data stream and demonstrated that even greater compression was achievable on the video stream. In Phase II, Vadum proposes to implement an In-Line Compression Solution (ICS) that delivers robust, high rate compression without requiring modification of installed encoders or wireless link hardware. The ICS performs low latency compression tailored to the unique properties of target vehicle telemetry data. The full solution incorporates an in-line telemetry compression unit (TCU) hardware module suitable for installation between existing data encoders and telemetry link hardware. Along with the TCU hardware, the solution includes a support ecosystem consisting of a suite of pre- and post-flight tools for hardware configuration and data recovery. The Vadum TCU will be conformant with Inter-Range Instrumentation Group (IRIG) interface which will allow the module to be integrated onto missiles and other airborne platforms required to transmit large volumes of telemetry data over narrow radiofrequency links. Approved for Public Release 14-MDA-7739 (18 March 14).