1
Peter D Karabinis, Nils Rutger Carl Rydbeck, Michael Kornby: Dual-mode satellite/cellular phone architecture with physically separable mode. Ericsson, Burns Doane Swecker & Mathis L, October 17, 2000: US06134437 (203 worldwide citation)

In a dual-mode satellite/cellular phone system, a user has the option of placing or receiving calls to and from the satellite network with either the cellular/PCS phone or the fully self-contained, stand-alone satellite phone. If the user places or receives a satellite call with the cellular/PCS pho ...


2
Peter D Karabinis: Satellite telecommunications repeaters and retransmission methods. Ericsson, Myers Bigel Sibley & Sajovec, August 10, 1999: US05937332 (195 worldwide citation)

Satellite telecommunications repeaters are provided which receive, amplify, and locally retransmit the downlink signal received from a satellite thereby increasing the effective downlink margin in the vicinity of the satellite telecommunications repeaters and allowing an increase the penetration of ...


3
Peter D Karabinis, Rajendra Singh, George Ronald Olexa, Bahman Badipour: Coordinated satellite-terrestrial frequency reuse. Mobile Satellite Ventures, Myers Bigel Sibley & Sajovec, May 10, 2005: US06892068 (192 worldwide citation)

A system and method of operation for efficiently reusing and/or sharing at least a portion of the frequency spectrum between a first satellite spot beam and a second satellite spot beam, and/or an underlay terrestrial network associated with a second satellite spot beam. The spectrum is efficiently ...


4
Peter D Karabinis, Rajendra Singh: Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis. Mobile Satellite Ventures, February 22, 2005: US06859652 (185 worldwide citation)

A cellular communications system comprising a space based system comprising a first set of cells, and a ground based system comprising a second set of cells. The space and ground systems can optionally function substantially autonomously, with each using spectrum from at least one predetermined freq ...


5
Peter D Karabinis: Fixed and mobile satellite radiotelephone systems and methods with capacity sharing. Ericsson, Myers Bigel Sibley & Sajovec, April 18, 2000: US06052586 (184 worldwide citation)

A mobile satellite radiotelephone system uses some of the capacity of a fixed satellite radiotelephone system in areas of congestion. Capacity sharing is obtained by providing at least one fixed retransmitting station in an area of overlap between the fixed and mobile satellite radiotelephone system ...


6
Santanu Dutta, Peter D Karabinis: SYSTEMS AND METHODS FOR HANDOVER BETWEEN SPACE BASED AND TERRESTRIAL RADIOTERMINAL COMMUNICATIONS, AND FOR MONITORING TERRESTRIALLY REUSED SATELLITE FREQUENCIES AT A RADIOTERMINAL TO REDUCE POTENTIAL INTERFERENCE. Mobile Satellite Ventures, Myers Bigel Sibley & Sajovec, April 12, 2005: US06879829 (159 worldwide citation)

A satellite communications system includes a satellite that is configured to wirelessly communicate with radioterminals in a satellite coverage area over a satellite frequency band, and an ancillary terrestrial component that is configured to wirelessly communicate with radioterminals in the satelli ...


7
Peter D Karabinis: Satellite system utilizing a plurality of air interface standards and method employing same. Ericsson, Jenkens & Gilchrist, April 18, 2000: US06052560 (158 worldwide citation)

A satellite system and method for facilitating communications of mobile terminal users operating in a satellite-based communications mode. In particular, the present invention is directed to a satellite system employing at least one satellite air interface standard modeled after at least one terrest ...


8
Peter D Karabinis: Spatial guardbands for terrestrial reuse of satellite frequencies. ATC Technologies, Myers Bigel Sibley & Sajovec, February 14, 2006: US06999720 (152 worldwide citation)

Satellite radiotelephone systems include a space-based component that is configured to provide wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone frequency band. The satellite footprint is divided into a plurality of satellite cells, in which satellite ra ...


9
Peter D Karabinis: Systems and methods for terrestrial reuse of cellular satellite frequency spectrum. Mobile Satellite Ventures, Myers Bigel Sibley & Sajovec, January 27, 2004: US06684057 (148 worldwide citation)

A satellite radiotelephone frequency can be reused terrestrially by an ancillary terrestrial network even within the same satellite cell, using interference cancellation techniques. Moreover, the ancillary terrestrial network can use a modified range of satellite band forward link frequencies for tr ...


10
Peter D Karabinis: Systems and methods for reducing satellite feeder link bandwidth/carriers in cellular satellite systems. Mobile Satellite Ventures, Myers Bigel Sibley & Sajovec, August 30, 2005: US06937857 (140 worldwide citation)

Information content is nonidentically mapped between service link carriers and feeder link carriers at a cellular satellite. A reduced number of satellite feeder link carriers compared to the number of satellite service link carriers and/or a reduced total bandwidth of the satellite feeder link carr ...