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| Number | Title | Issue Date |
| 8160491 | GPS synchronization method for mobile wireless networks A method and system for GPS (Geographical Positioning System) synchronization of a femtocell, as defined in the application, in a wireless telecommunications network, the system including a Base Transceiver Station (a “sync-BTS”) for transmitting synchronization... | 04/17/2012 |
| 8155584 | Innovative combinational closed-loop and open-loop satellite user terminal power control system Devices and methods are disclosed for reducing power control cushion of a user terminal configured to communicate with a satellite and a gateway station. The present invention provides a power control algorithm implemented in a user terminal that is designed to oper... | 04/10/2012 |
| 7991353 | Inter-satellite crosslink communications system, apparatus, method and computer program product A communications system, apparatus, method, and computer program product for inter-satellite and inter-spacecraft crosslinks (ISL) with non-ISL optimized antennas on spacecraft. The system includes a mobile communications platform that includes an ISL antenna config... | 08/02/2011 |
| 7929907 | Timing recovery scheme for satellite backhaul link A remote satellite modem, in conjunction with a mediation device configuration propagates frames over a cellular backhaul link so as to preserve PRC traceability by receiving a frame based signal, in which the frame based signal conforms to a hub timing signal opera... | 04/19/2011 |
| 7925210 | Synchronizing a radio network with end user radio terminals Synchronizing a Radio Network with End User Radio Terminals A Mobile Station that is able to receive GPS signals and compare the frequency of the GPS received time signal with a time signal from a network in order to determine the difference between the signals and ... | 04/12/2011 |
| 7890052 | Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection A communication system has a stratospheric platform with a payload controller and a phased array antenna having a plurality of main array elements for generating a plurality of communication beams and a plurality of auxiliary elements for canceling interference betw... | 02/15/2011 |
| 7881663 | Beacon signal generating apparatus in satellite communication system and phase synchronizing apparatus using the same Provided are a beacon signal generating apparatus and a phase synchronizing apparatus using the same for establishing a phase synchronization while tracking a phase variation of a Timing Source Oscillator (TSO) of a satellite using a simpler scheme at an earth stati... | 02/01/2011 |
| 7787819 | Ground-based beamforming for satellite communications systems Methods, systems and apparatus for ground-based beamforming of a satellite communications payload (200) within a satellite communications network (100). An embodiment of the invention comprises a satellite (11) communicatively coupled to at leas... | 08/31/2010 |
| 7630683 | Return link design for PSD limited mobile satellite communication systems A system and method for managing access to a satellite-based transponder by a plurality of aircraft each having a mobile radio frequency (RF) system. The system employs a ground-based, central control system for managing access to the satellite-based transponder so ... | 12/08/2009 |
| 7599657 | Reducing service outages in a multibeam satellite system A satellite is linked to a number of gateways by a number of feeder links. When a degraded link is detected among the feeder links, communications are switched from the degraded link to a diversity link shared among the feeder links. In one embodiment, the diversity... | 10/06/2009 |
| 7460830 | Inter-satellite crosslink communications system, apparatus, method and computer program product A communications system, apparatus, method, and computer program product for inter-satellite and inter-spacecraft crosslinks (ISL) with non-ISL optimized antennas on spacecraft. The system includes a mobile communications platform that includes an ISL antenna config... | 12/02/2008 |
| 7432852 | Method of synchronizing base stations of a terrestrial cellular communication network The present invention relates to a method of synchronizing base stations of a terrestrial cellular communication system using a satellite component. ... | 10/07/2008 |
| 7415000 | Data transmission apparatus and data transmission method In base station 100, TA control amount calculating section 106 calculates a time alignment control amount based on a signal received from communication terminal station 150. Then, TA control amount rounding section 107 performs rounding o... | 08/19/2008 |
| 7386284 | Controlling the gain of a remote active antenna A receiver includes a tuner and a circuit. The tuner receives an indication of a radio frequency signal from an antenna feedline in response to the radio frequency signal being provided to the antenna feedline by an amplifier. The circuit transmits a control signal ... | 06/10/2008 |
| 7379707 | System for concurrent mobile two-way data communications and TV reception A low profile mobile in-motion antenna and transmit/receive terminal system for two-way “VSAT” type satellite communication using FSS service, preferably in Ku band, supporting at the same time TV signal reception from the same satellite or a separate DBS satell... | 05/27/2008 |
| 7376417 | Method and system of efficient spectrum utilization by communications satellites A satellite system includes a plurality of orbit slots having a first orbital and a second orbital slot. A first satellite occupies a first orbital slot and generates a first set of uniform beams. A second satellite located in a second orbital slot generates a secon... | 05/20/2008 |
| 7372400 | Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming A navigation system provides a significant level of protection against all forms of interference or jamming to GPS in a cost-effective way. The system employs a network of ground reference stations and Low Earth Orbiting (LEO) satellites in conjunction with GPS. A c... | 05/13/2008 |
| 7373156 | Providing time information A method for providing time information comprises sending time information to at least one communications device and receiving information indicating error in received time information from at least one of said at least one communications device, said error in recei... | 05/13/2008 |
| 7366463 | Military UHF and commercial Geo-mobile system combination for radio signal relay A radio signal relay device such as satellite is used to cover several relatively small geographical regions with relatively narrow beams as well as a relatively large geographical region with a single beam. This relatively wide beam permits legacy equipment to be u... | 04/29/2008 |
| 7366532 | Group call management through receive/transmit synchronization A method of communicating with a transceiver (120). In one arrangement, the method of communicating with the transceiver can be performed in a systemless group environment. Synchronization information (150) can be received from a mobile transceiver ( | 04/29/2008 |
| 7359711 | Methods and apparatus for improving accuracy of radio timing measurements A system, method, apparatus, means, and computer program code for improving accuracy of radio timing measurements. According to some embodiments, a wireless terminal or other wireless device can make adjustments to a measurement made from a radio transmission source... | 04/15/2008 |
| 7359673 | UWB repeater with pulse delay and UWB communication system A UWB repeater preferably applied to a relay of stream data, which does not require frequency conversion and has less delay in relay. The UWB repeater includes a receiving antenna, a receiver, a transmitter, a transmitting antenna, and a relay controller. The relay ... | 04/15/2008 |
| 7356618 | Method and system for synchronizing platform clocks in a distributed wireless platform According to one embodiment of the present invention, a novel method and system are disclosed. In one embodiment, a first node records a first node local time of receiving a wirelessly transmitted packet, the first node local time recorded with a monotonically incre... | 04/08/2008 |
| 7340213 | Intra- and/or inter-system interference reducing systems and methods for satellite communications systems A first radio signal is received via a first satellite reception path, for example, an antenna or spot beam, which serves a satellite cell. The received first radio signal includes a desired satellite uplink signal transmitted from a first source using a frequency a... | 03/04/2008 |
| 7336633 | Media access controller for high bandwidth communication media and method of operation thereof An access control method for a medium, a media access controller and a wireless communication system incorporating the method or the controller. In one embodiment, the method includes: (1) allowing first and second devices to employ a control channel defined in the ... | 02/26/2008 |
| 7330693 | Broadcast channels for wireless telephony A wireless system and method for providing informative broadcast services includes a plurality of base stations, each serving a plurality of wireless communications device users via a plurality of communications channels. An alert message is first transmitted to wir... | 02/12/2008 |
| 7327310 | Method and apparatus for managing time in a satellite positioning system Method and apparatus for time management in a position location system is described. In one example, a time relation is received at a server. The time relation includes a relationship between an air-interface time of a base station and a satellite time for a satelli... | 02/05/2008 |
| 7321776 | Estimating GPS time at cellular terminals based on timing of information from base stations and satellites A mobile terminal generates an estimate of GPS time. The mobile terminal includes a cellular receiver, a GPS receiver, and a processor. The cellular receiver is configured to receive communication signals from cells in a wireless communication system. The GPS receiv... | 01/22/2008 |
| 7317895 | Method of controlling a satellite communication system, a timing unit, and a control unit of a timing unit A method of controlling a satellite communication system, a timing unit, and a control unit of a timing unit. The method comprises dividing the coverage area of the satellite communication system into one or several geographical areas; positioning one or several tim... | 01/08/2008 |
| 7317926 | Synchronous transmission of data with network remote control A novel method and apparatus is disclosed for synchronously delivering complementary data to two devices. Complementary data is used herein to designate at least two streams of related data that, when combined, form an organic whole. In one embodiment of the disclos... | 01/08/2008 |
| 7317916 | Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection A communication system has a stratospheric platform with a payload controller and a phased array antenna having a plurality of main array elements for generating a plurality of communication beams and a plurality of auxiliary elements for canceling interference betw... | 01/08/2008 |
| 7317907 | Synchronizing server and device data using device data schema Methods and apparatus for the synchronization of first data stored to a wireless mobile device and second data stored to a remote device are provided. Schema describing the data is maintained by the device. The schema is provided by the device to assist with the syn... | 01/08/2008 |
| 7315532 | Time-divided transmission between adjacent cells In a DVB-T network, a single channel is shared between transmitters associated with adjacent cells on a time-division basis. Timing allocation information signals are received at each transmitter, where it is determined therefrom and from a common time reference, su... | 01/01/2008 |
| 7310327 | Method and apparatus for time synchronizing an in-vehicle network An independent, broadcast medium (32) is used to communicate an time reference to each element: switch element (36), active element (14-20) or passive element, of an in-vehicle network (30). Each element (36) in the network ... | 12/18/2007 |
| 7310625 | Knowledge network generation A knowledge-based system has one or more repositories with information and knowledge for topics, problems, and solutions to problems. One method to find a solution for a problem by generating a knowledge network in a master knowledge repository includes identifying ... | 12/18/2007 |
| 7308230 | Device and method to locally fill gaps in spotbeam satellite systems with frequency re-use Systems and methods for transmitting and receiving diverse signals across regions using a minimum of frequency capacity and maintaining compatibility with the heritage system. A system of the invention comprises at least one broadcast transmitter for transmitting a ... | 12/11/2007 |
| 7302226 | Combined fixed satellite service and mobile platform satellite service communication system A communication system for a mobile platform satellite service (MPSS) system includes a receiver subsystem (RS) and a transmitter subsystem (TS). A satellite transponder is in communication with the RS and the TS of the mobile platform. A satellite service ground st... | 11/27/2007 |
| 7302269 | Radiolocation in a wireless network using time difference of arrival A method and an apparatus for radiolocation using time differences of arrival. The method includes receiving transmit timestamps from a set of wireless stations of a wireless network. Each station transmits at least once. The transmit timestamp uses a local timestam... | 11/27/2007 |
| 7302225 | Time acquisition in a wireless position determination system A system and method for providing timing information to a wireless device in a position determination system is disclosed. A wireless device includes a reference signal receiver, a signal processor, a wireless communications transceiver and a GPS receiver. The wirel... | 11/27/2007 |
| 7302550 | Stack of variable length operands and method for use An operand stack (10) permits optimization of memory space and a continuous check of operand type by creating a type memory (20) which stores type information for each operand, said information comprising information about the length of the operand. | 11/27/2007 |
