Design and Implementation of an "Approximate" Communication System for Wireless Media Applications

All practical wireless communication systems are prone to errors. At the symbol level such wireless errors have a well-defined structure: when a receiver decodes a symbol erroneously, it is more likely that the decoded symbol is a good "Approximation" of the transmitted symbol than a randomly chosen symbol among all possible transmitted symbols. Based on this property, the authors define approximate communication, a method that exploits this error structure to natively provide unequal error protection to data bits.

Provided by: Association for Computing Machinery Topic: Mobility Date Added: Sep 2010 Format: PDF

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