Communication using audible tones

Communication using spread spectrum methods over optical fibers

Communication within buildings

Communication-tracing-information processing device

Communications adaptive automatic gain controller

Communications apparatus and communications system using...

Communications apparatus and method for transmitting and receivi

Communications apparatus, system and method of creating a...

Communications device

Communications device and communications method

Communications device and related method that detects symbol...

Communications device and related method with improved...

Communications device and related method with reduced false...

Communications device employing spectrum spreading in transmitte

Communications device with doppler frequency estimation...

Communications device with doppler frequency estimation...

Communications in a distribution network

Communications method and apparatus for digital information

Communications methods, apparatus and computer program...

Communications module, device, and method for implementing a...