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 (295 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
Kjell Johansson, Mats E G Lindoff: Method and apparatus for upgrading cellular mobile telephones. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis, May 23, 1995: US05418837 (248 worldwide citation)

An apparatus for upgrading a mobile telephone, the mobile telephone having a main memory the apparatus comprising a module reader provided in the mobile telephone and a software upgrading module card adapted to be temporarily connected to the mobile telephone by insertion into the module reader. The ...


3
Alex K Raith: Method for transmitting broadcast information in a digital control channel. Ericsson GE Mobile Communications, Johnson & Wortley, April 4, 1995: US05404355 (238 worldwide citation)

The present invention provides a method for transmitting information on a communications channel, e.g. , a digital control channel between a base station and a mobile station in a cellular system. The method includes the steps of grouping the information into a plurality of information elements, pro ...


4
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 (222 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 ...


5
Paul W Dent: CDMA subtractive demodulation. Ericsson GE Mobile Communications Holding, Burns Doane Swecker & Mathis, September 29, 1992: US05151919 (206 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 ...


6
Alex K Raith, Walter G A Muller: Method and apparatus for communication control in a radiotelephone system. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis, October 4, 1994: US05353332 (204 worldwide citation)

In a radiotelephone system, the control channel of each cell can be configured to broadcast absolute information about its cell and relative information about other cells including the characteristic of the cell. Further, the location of other control channels may also be included among the informat ...


7
Gregory E Bottomley: Rake receiver with selective ray combining. Ericsson GE Mobile Communications Holding, Burns Doane Swecker & Mathis, August 17, 1993: US05237586 (199 worldwide citation)

A modified RAKE receiver, referred to as a WRAKE receiver, is used in CDMA communications. It is particularly adaptable to a subtractive CDMA system. The receiver includes a radio receiver for receiving and demodulating a composite signal of overlapping transmitted signals (spread signals), a sample ...


8
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 ...


9
Paul W Dent: Dual-mode satellite/cellular phone with a frequency synthesizer. Ericsson GE Mobile Communications, Burns Doane Swecker & Mathis, July 9, 1996: US05535432 (191 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 ...


10
Paul W Dent: CDMA subtractive demodulation. Ericsson GE Mobile Communications Holding, Burns Doane Swecker & Mathis, June 8, 1993: US05218619 (181 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 ...