Apparatus and method for echo cancellation in a wireless...

Arrangement for cellular operation of a repeater trunking system

Automatic repeater station for signal transmissions

Base station apparatus and control method for controlling...

Base station for a radiotelephone communication system with swit

Booster

Booster system

Cell enhancer for cellular radio telephone system having bandpas

Channel selective repeater

Deterministic multi-access method for a decentralized mobile rad

Dispatch overdialing for inter-group and other added calling/cal

Dynamic regrouping in a trunked radio communications systems

Frequency division communication system wherein conventional tra

Improved multiple site communication system

Individual communication system selection method for group servi

Method and apparatus for determining an operating point of a...

Method and apparatus for relaying signals between a ground stati

Method and means of minimizing simulcast distortion in a receive

Method and system for a low-complexity multi-beam repeater

Method for a communication unit to maintain a data base of syste