1
Paul W Dent: Cellular/satellite communications system with improved frequency re-use. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis L, September 10, 1996: US05555257 (292 worldwide citation)

The invention relates to a radio communication system and method for minimizing co-channel interference. The system comprises a plurality of mobile stations in communication with a ground based station via an orbiting satellite. The orbiting satellite transponds a combination of signals received fro ...


2
Paul W Dent: Cellular/satellite communications system with improved frequency re-use. Ericsson, Burns Doane Swecker & Mathis L, December 8, 1998: US05848060 (230 worldwide citation)

A satellite communications system employs a multiple element antenna for receiving signals on a first frequency band and relaying the signals to a ground station on a second frequency band. The system includes a downconvertor for converting signals received at each of the multiple antenna elements o ...


3
Paul W Dent: Cellular/satellite communications system with improved frequency re-use. Ericsson, Burns Doane Swecker & Mathis L, December 5, 2000: US06157811 (227 worldwide citation)

Radiocommunication systems and methods for minimizing co-channel interference are disclosed. The systems and methods are applicable to, for example, landmobile communications, satellite communication systems and hybrids thereof. Signal processing using matrix models of received and transmitted signa ...


4
Paul W Dent: CDMA subtractive demodulation. Ericsson GE Mobile Communications Holding, Burns Doane Swecker & Mathis, September 29, 1992: US05151919 (205 worldwide citation)

Substractive CDMA demodulation optimally decodes a coded information signal embedded in may other overlapping signals making up a received, composite signal. A radio receiver correlates a unique code corresponding to the desired signal to be decoded with the composite signal. Moreover, after each in ...


5
Paul W Dent: Cellular/satellite communications systems with improved frequency re-use. Ericsson, Burns Doane Swecker & Mathis L, September 22, 1998: US05812947 (194 worldwide citation)

A radio communication system and method for minimizing co-channel interference comprises a technique for communicating between first stations and second stations. The technique involves: i) processing, at a first station, first signals into a form representative of modulated radio signals; ii) combi ...


6
Paul W Dent: TDMA/FDMA/CDMA hybrid radio access methods. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis, July 23, 1996: US05539730 (193 worldwide citation)

A radio access method for facilitating communication between at least one first station and a plurality of second stations is disclosed. First, each signal intended for transmission is buffered at a first station. The signals are then divided into equal length segments. The signal segments intended ...


7
Paul W Dent: Dual-mode satellite/cellular phone with a frequency synthesizer. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis, July 9, 1996: US05535432 (189 worldwide citation)

A radio telephone which is capable of switching between operating through a land based cellular network and an orbiting satellite system is disclosed. First antenna and radio frequency circuits receive transmitted signals from the land-based network and form first conditioned signals for subsequent ...


8
Paul W Dent: Multiple access communications system and method using code and time division. Ericsson, Burns Doane Swecker & Mathis L, April 13, 1999: US05894473 (180 worldwide citation)

A multiple access communication system and method using Code Division Multiple Access (CDMA) and Time Division Multiple Access (TDMA) comprises coding information signals with CDMA codewords to be transmitted over a common frequency spectrum, time compressing the CDMA codewords for transmission only ...


9
Paul W Dent, Ross W Lampe: Waste energy control and management in power amplifier. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis L, October 22, 1996: US05568088 (179 worldwide citation)

An amplifying apparatus for linearly amplifying a desired signal using a pair of coupled non-linear amplifiers is disclosed. The amplifying apparatus comprises a limiter for separating amplitude variations from the desired signal and producing a constant amplitude signal bearing the phase of the des ...


10
Paul W Dent: CDMA subtractive demodulation. Ericsson GE Mobile Communications Holding, Burns Doane Swecker & Mathis, June 8, 1993: US05218619 (175 worldwide citation)

Subtractive CDMA demodulation optimally decodes a coded information signal embedded in many other overlapping signals making up a received, composite signal. A radio receiver correlates a unique code corresponding to the desired signal to be decoded with the composite signal. Moreover, after each in ...