System and method of communication using transmit antenna...

System and process using simplex and duplex communication...

System for adapting device standards after manufacture

System for communicating digital information between a base unit

System for managing telecommunications

System for statistically multiplexing real-time and...

System, apparatus method for multi-carrier transmission

Systems and method of datalink auditory communications for...

Systems and methods for enabling a mobile user to notify an...

Systems and methods for facsimile echo cancellation

Systems and methods for improving sound quality in...

Systems and methods for synchronizing audio signals of a...

Systems and methods for wireless transmission and reception...

Systems and methods of efficient band amplification