Communications

Telecommunications

Two Separate Way Transmission

No:2627021

Airborne transoceanic radio relay system

No:5187806

Apparatus and method for expanding cellular system capacity

No:7440729

Apparatus, methods and articles of manufacture for output impedance matching using multi-band signal processing

No:7215964

Asymmetric radio access network, and associated method, for communicating data at high data rates

No:6052591

Broadcasting messages to mobile stations within a geographic area

No:6904024

Cellular base station with integrated multipoint radio access and intercell linking

No:5974325

Cellular radio system using common radio backbone

No:4849963

Cellular radio telephone enhancement circuit

No:6351653

Cellular telephone with simultaneous radio and cellular communications

No:6128496

Cellular transceiver station with adjustable time lag

No:4868886

Combined global/spot beam configuration for satellite communications

No:7349664

Communication system and method thereof

No:5832365

Communication system comprising an active-antenna repeater

No:5159695

Communication system to communication system communication system

No:6424818

Communication system using relayed radio channels

No:5168575

Demand driven wide-area radio system resource assignment method and apparatus

No:4198600

Demodulating system for auxiliary channel in straight-through radio frequency repeater

No:7409186

Detection and elimination of oscillation within cellular network amplifiers

No:5533027

Digital fixed radio access system providing local mobility

No:4764979

Direct relay equipment

No:5369781

Dispatch communication system with adjacent system signal repeating

No:5321736

Distributed rf repeater arrangement for cordless telephones

No:4427968

Distribution network communication system with flexible message routes

No:3967264

Distribution network power line communication system including addressable interrogation and response repeater

No:7039357

Diversity coverage

No:7085530

Dynamic capacity allocation of in-building system

No:3986119

Emergency communication system

No:3939417

Emergency communications system

No:7024159

Extension set for a dvb-t-receiver

No:7177591

Frequency converter and radio communications system employing the same

No:6370384

Frequency re-use planning for wireless communications system using wireless translating repeaters

No:7187904

Frequency translating repeater with low cost high performance local oscillator architecture

No:6243577

Frequency translation to local multi-point distribution system for personal communications services

No:4242542

Frogging signal repeater for a transmission line communications system

No:5327580

Full duplex rf repeater/base station providing microprocessor-controlled simultaneous ctcss tone encode/decode

No:2577731

High-frequency traffic system over power supply lines

No:6598232

Hybrid amplifier-regenerator for optimizing cable network transmissions

No:5058199

Inter-truncked radio systems bridge protocol

No:6999717

Limiting message diffusion between mobile devices

No:5634190

Low earth orbit communication satellite gateway-to-gateway relay system

No:5613196

Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system

No:5887261

Method and apparatus for a radio remote repeater in a digital cellular radio communication system

No:5548802

Method and apparatus for a remote network switch for a land mobile transmission trunked communication system

No:7349665

Method and apparatus for relaying a wireless signal

No:4506383

Method and apparatus for relaying signals between a ground station and a satellite using a ground relay station

No:6795685

Method and apparatus for repeater priority resolution in a wireless communication system

No:6615021

Method and apparatus for transmitting radio frequency signals to and from a pager

No:7062224

Method and system for identifying and monitoring repeater traffic in a code division multiple access system

No:7072611

Method and system for improving communication

No:5473605

Method for a communication unit to participate in multiple calls