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| Number | Title | Issue Date |
| 8165578 | Method and system for improving the spectral efficiency of a data communication link An apparatus for communicating between a mobile device, and a plurality of transceivers. The apparatus includes a first transceiver which transmits to the mobile device on any one of a plurality of channels. The apparatus further includes a second transceiver which ... | 04/24/2012 |
| 8160575 | Methods for testing multibeam satellite systems using input power telemetry and output noise power Methods that test multibeam satellite communication systems, including its antennas and transponders. The methods use input power telemetry and output noise power to test satellite transponders and antennas while the satellite is in orbit. One method that tests a sa... | 04/17/2012 |
| 8160576 | LEO-based positioning system for indoor and stand-alone navigation A method for estimating a precise position of a user device from signals from a low earth orbit (LEO) satellite includes receiving at least one carrier signal at a user device, each carrier signal being transmitted a distinct LEO satellite. The user device processes... | 04/17/2012 |
| 8155640 | System and method for mobile terminal initiated satellite communications A system and method for improving efficiency of satellite communications is described. In one embodiment, efficient satellite communications is enabled through event-driven reporting by a mobile terminal. ... | 04/10/2012 |
| 8131287 | Apparatus and method for diagnosing fault and managing data in satellite ground system Provided are an apparatus and a method for diagnosing fault and processing data of a satellite ground system. The apparatus and a method can prevent data loss of a satellite, and efficiently operate the satellite ground system using data buffer and penalty method wh... | 03/06/2012 |
| 8126454 | Link quality measurements based on data rate and received power level A mobile station associated with a base station determines a measure of the quality of a communication link between the mobile station and the base station. The measure takes into account (a) RF power levels of signals received at the mobile station over the link an... | 02/28/2012 |
| RE43137 | Filters for combined radiotelephone/GPS terminals A satellite radiotelephone system includes a space-based component, a plurality of ancillary terrestrial components, and a plurality of radiotelephones. The space-based component is configured to provide wireless radiotelephone communications using satellite radiote... | 01/24/2012 |
| 8068828 | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode A space-based component, such as a satellite, is configured to receive wireless communications from radiotelephones in a satellite footprint over an uplink satellite radiotelephone frequency, and to transmit wireless communications to the radiotelephones over a down... | 11/29/2011 |
| 8068827 | Non-interfering utilization of non-geostationary satellite frequency band for geostationary satellite communication A method, satellite and system utilizes non-geostationary satellite orbit (NGSO) frequency spectrum in geostationary satellite orbit (GSO) satellite communication in a non-interfering manner. A ground station transmits signals to a GSO satellite using a GSO frequenc... | 11/29/2011 |
| 8060082 | Ancillary terrestrial component services using multiple frequency bands A satellite radio telephone system employing at least two space-based components, each of which is configured to communicate with a plurality of radio telephones. Each space-based component employs its own frequency band and its own air interface and includes an anc... | 11/15/2011 |
| 8055257 | Systems and methods with different utilization of satellite frequency bands by a space-based network and an ancillary terrestrial network A radioterminal communications system includes an ancillary terrestrial component configured to receive from at least some of a plurality of radioterminals using frequencies from a first satellite frequency band (e.g., an L-band) and to transmit to at least some of ... | 11/08/2011 |
| 8050674 | Radioterminals including satellite/hands-free interlocks and related methods A radioterminal may include a transceiver, a hands-free interface, and a satellite/hands-free interlock. The transceiver may be configured for space-based communications and for terrestrial wireless communications. The satellite/hands-free interlock may be configure... | 11/01/2011 |
| 8045975 | Systems and methods for inter-system sharing of satellite communications frequencies within a common footprint Two satellite communications systems can use the same frequency or frequencies in geographically overlapping footprints, without creating undue interference in a given system that is caused by the same frequency signal(s) that is/are used by the other system. In par... | 10/25/2011 |
| 8023939 | Reusing frequencies of a fixed and/or mobile communications system A communications system includes a first wireless communications system configured to provide wireless communications over a first frequency band, and a second wireless communications system configured to provide wireless communications using at least a portion of t... | 09/20/2011 |
| 8014771 | Method of sharing a satellite communication system having a hub with common equipment A method of sharing a satellite communication system having a common equipment includes billing a first user for sending a first message using the common equipment over a first satellite link, billing a second user for sending a second message using the common equip... | 09/06/2011 |
| 7962134 | Systems and methods for communicating with satellites via non-compliant antennas A system and method allow end users the ability to operate using non-compliant antennas. A coordination database may be continually updated with respect to geographic coordinates, time planning, frequency and orbital positions. Further, the system and method may uti... | 06/14/2011 |
| 7917135 | Satellite communications apparatus and methods using asymmetrical forward and return link frequency reuse Communications are conducted between a space-based component of the wireless communications system and radioterminals using a plurality of forward link cells and a plurality of return link cells, the return link cells having a greater number of cells per frequency r... | 03/29/2011 |
| 7907944 | Methods, apparatus and computer program products for joint decoding of access probes in a CDMA communications system A signal is received at a component of the wireless CDMA communications system, such as a base station or satellite gateway. A plurality of data sets is generated from the received signal, respective ones of the plurality of data sets corresponding to respective acc... | 03/15/2011 |
| 7890097 | Systems and methods for monitoring selected terrestrially used satellite frequency signals to reduce potential interference A satellite radiotelephone frequency band can be reused terrestrially by an ancillary terrestrial network even within the same satellite cell, using interference reduction/cancellation techniques. An interference reducer is responsive to a space-based component and ... | 02/15/2011 |
| 7877089 | System and method for continuous broadcast service from non-geostationary orbits A method, apparatus for providing at least near continuous broadcast services to one or more terrestrial receiver stations is disclosed. The system comprises a plurality of satellites, each satellite in an inclined, elliptical geosynchronous orbit, each satellite pr... | 01/25/2011 |
| 7869802 | Uplink frequency multiplexing system A satellite-borne transponder for two or more uplink service areas, includes uplink antennae, a low noise amplifier and a converter for each uplink antenna, input filters, amplification chains, each amplification chain including a channel amplifier, a high power amp... | 01/11/2011 |
| 7856232 | Telemetry tracking and command satellite link The invention relates to a telemetry, control, and ranging link of a satellite; it proposes using spread spectrum transmission for the up link, i.e. for commanding the satellite and for the ranging up signal. It proposes using subcarrier modulation for the down link... | 12/21/2010 |
| 7848748 | Method for characterising emitters by the association of parameters related to the same radio emitter Method of using one or more transmitters and/or one or more parameters associated with a transmitter by using a reception station comprising a device suitable for measuring over time a set of K parameters dependent on the transmitters associated with vectors {circum... | 12/07/2010 |
| 7831251 | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis 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 fr... | 11/09/2010 |
| 7809370 | Space based monitoring of global maritime shipping using automatic identification system An automatic identification system (AIS) communications payload for a space vehicle traveling in earth orbit includes an antenna; a receiver connected to the antenna to receive an AIS signal including a reported vessel position transmitted from a vessel; a processor... | 10/05/2010 |
| 7801520 | Methods and systems for configuring satellite antenna cell patterns in response to terrestrial use of satellite frequencies Space-based wireless radiotelephone communications are provided in a satellite footprint over a satellite radiotelephone frequency band. The satellite footprint is divided into satellite cells in which satellite radiotelephone frequencies of the satellite radiotelep... | 09/21/2010 |
| 7783287 | Satellite radiotelephone systems, methods, components and devices including gated radiotelephone transmissions to ancillary terrestrial components A satellite radiotelephone system includes a space-based component and an ancillary terrestrial component that are configured to receive wireless communications from radiotelephones. The radiotelephones are configured to transmit wireless communications to the ancil... | 08/24/2010 |
| 7769375 | System and method for communication utilizing time division duplexing An integrated communication system includes a satellite portion and a terrestrial portion. A plurality of timeslots are allocated for transmission and reception of data by the various components of the satellite portion and terrestrial portion. The allocation of tim... | 08/03/2010 |
| 7761095 | Secure transmission over satellite phone network A reach back secure communications terminal includes a modem to satellite interconnect board that captures DTMF tones, demodulates encrypted modem information, and converts both into an ASCII string for presentation to a data port of a satellite phone, allowing out-... | 07/20/2010 |
| 7756517 | Apparatus and method for verifying reception and execution status of telecommand in satellite control system Provided are an apparatus and a method for verifying a reception and execution status of telecommand in a satellite control system. The inventive apparatus for informing a satellite control system of a reception and execution status of telecommand in a satellite com... | 07/13/2010 |
| 7720472 | Stratospheric-based communication system having interference cancellation A system has a stratospheric platform with a payload controller and a phased array antenna having a plurality of elements. A gateway station communicates with the stratospheric platform. The gateway station scales the plurality of elements to form a reconfigurable p... | 05/18/2010 |
| 7643827 | Satellite broadcast communication method and system The invention provides for the design of a single beam communication satellite system covering a single service area, either uplink, downlink or both, by which rain fade effects are totally compensated. The rain fades, characterized by fixed margins, are not exceede... | 01/05/2010 |
| 7636566 | Systems and method with different utilization of satellite frequency bands by a space-based network and an ancillary terrestrial network A radioterminal communications system includes an ancillary terrestrial component configured to receive from at least some of a plurality of radioterminals using frequencies from a first satellite frequency band (e.g., an L-band) and to transmit to at least some of ... | 12/22/2009 |
| 7623859 | Additional aggregate radiated power control for multi-band/multi-mode satellite radiotelephone communications systems and methods An Ancillary Terrestrial Network (ATN) includes at least one Ancillary Terrestrial Component (ATC) that is configured to provide wireless communications using frequencies of a satellite frequency band. The ATN provides communications based on a GSM, cdma2000 and/or ... | 11/24/2009 |
| 7620394 | Reusing frequencies of a fixed and/or mobile communications system A communications system includes a first wireless communications system configured to provide wireless communications over a first frequency band, and a second wireless communications system configured to provide wireless communications using at least a portion of t... | 11/17/2009 |
| 7603117 | Systems and methods for terrestrial use of cellular satellite frequency spectrum A satellite radiotelephone system includes a space-based component that is configured to receive wireless communications from radiotelephones over a range of satellite band return link frequencies and to transmit wireless communications to radiotelephones over a ran... | 10/13/2009 |
| 7599690 | Pre-connection system readiness for receiving voice and data commands A pre-connection readiness system employs a telematics unit and a telematics call center. The telematics unit receives and stores pre-connection user information prior to a connection between the telematics unit and the telematics call center. The telematics unit an... | 10/06/2009 |
| 7593725 | Systems and methods for monitoring selected terrestrially used satellite frequency signals to reduce potential interference A satellite radiotelephone frequency band can be reused terrestrially by an ancillary terrestrial network even within the same satellite cell, using interference reduction/cancellation techniques. An interference reducer is responsive to a space-based component and ... | 09/22/2009 |
| 7593724 | Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode A space-based component, such as a satellite, is configured to receive wireless communications from radiotelephones in a satellite footprint over an uplink satellite radiotelephone frequency, and to transmit wireless communications to the radiotelephones over a down... | 09/22/2009 |
| 7580708 | Comprehensive network monitoring at broadcast satellite sites located outside of the broadcast service area A system and method for monitoring the quality of signals transmitted to a remote service area that is located outside of the broadcast area of a main broadcast site. The present invention converts and combines the signals that are to be broadcast from the main broa... | 08/25/2009 |
