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 (289 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 (229 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 (219 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 (201 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 (192 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: Dual-mode satellite/cellular phone with a frequency synthesizer. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis, July 9, 1996: US05535432 (186 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 ...


7
Paul W Dent: TDMA/FDMA/CDMA hybrid radio access methods. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis, July 23, 1996: US05539730 (186 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 ...


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 (173 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: Quantized coherent rake receiver. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis, April 19, 1994: US05305349 (170 worldwide citation)

An implementation of coherent diversity combining in a RAKE receiver that uses energy in signal echoes by integrating information from main-path and bit-period-delayed signal propagation paths to remove echo distortion, or time dispersion, is described. If delayed by one chip in a CDMA system, such ...


10
Paul W Dent: Cellular/satellite communications system with improved frequency re-use. Ericsson, Burns Doane Swecker & Mathis L, May 20, 1997: US05631898 (166 worldwide citation)

A radio communication system and method employs matrix processing of received and transmitted signals to minimize co-channel interference. In one embodiment, the system and method transmits signals to a plurality of remote units by: i) correlating a signal received from a new remote unit during rand ...



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