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8185045 |
Use of satellites by terminals with small antennas
Methods to improve the efficiency of satellite transmission by coordinating the use of corresponding channels on adjacent satellites. Improvements over the current state of the art range from 130%...
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8185268 |
User interface for a vehicle installed communication device
A radio communication device (100) for use in a public safety vehicle is provided with a user interface that combines tactile landmarks in the form of global tactile landmarks and local tactile...
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8180275 |
Computer based multi-channel radio system and user interface
A computer based multi-channel radio system (200) can include a computer (214) coupled to a display (215) and having a graphical user interface (500) and a radio receiver (100) coupled to the...
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8180341 |
High altitude platform deployment system
A communication system for supporting communications with a target market area. The system includes one or more solar-powered aircraft maintained in, or successively passing through, flight...
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8180000 |
GNSS receiver
A GNSS receiver including a processing unit adapted to process radio signals transmitted from an active set of signal sources and based thereon produce position/time related data. The signals of...
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8170474 |
Satellite assisted radioterminal communications systems and methods
Information is transmitted from a radioterminal to a first base station via a first wireless link. A satellite is used to route the information from the first base station to a second base station...
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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...
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8165520 |
Satellite broadcast receiving and distribution system
The present invention provides for a satellite system that will permit for the transmission of signals of two different frequencies and polarities to be transmitted simultaneously, also the system...
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8159993 |
Multi-user detection in satellite return link
Use of multi-user detection (MUD) with a frequency-multiplexed satellite return link (scheduling algorithms, etc) is described. The satellite return link may utilize multi-frequency time division...
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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...
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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...
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8159994 |
High data rate multiplexing satellite stream to low data rate subscriber terminals
A satellite modem for broadband communication. The satellite modem receives a satellite signal on a single carrier from a satellite. The satellite signal is divided by time division multiplexing...
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8155583 |
Method and apparatus for providing broadband signals to a portable user device
A method and apparatus for providing broadband signals to a portable user device is disclosed. Broadband signals, such as satellite radio signals, are received at a base station having a plurality...
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8149756 |
Method, apparatus and computer program product providing randomized relay network
A relay node is provided for being interposed between at least one source node and at least one destination node. The relay node includes a receiver, a transmitter and a control unit. A...
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8149762 |
Satellite, mobile terminal, and complementary terrestrial component in OFDM based multi-beam satellite system reusing the same frequency band for all the beams, and communication method thereof
Provided is a communication method of a mobile terminal in an orthogonal frequency division multiplexing (OFDM) based multi-beam satellite system reusing the same frequency band for all the beams,...
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8150313 |
Device for transmitting and/or receiving signals with frequency re-use by assignment of a cell for each terminal, for a communication satellite
A device (D) is dedicated to transmitting and/or receiving signals representative of data in a communication satellite (SAT) having a fixed frequency bandwidth. This device (D) comprises...
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8145126 |
Satellite-band spectrum utilization for reduced or minimum interference
A first and/or a second communications system may provide communications service over a geographic area. A method of operating the first and/or the second communications systems may include...
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8140005 |
Modular satellite transceiver
A modular satellite transceiver is provided according to some embodiments of the disclosure. The modular transceiver may include an RF module and a back end module. The RF module may operate in a...
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8140004 |
Digital satellite radio systems and associated methods for providing indoor reception
A digital satellite radio system includes a content server for providing a digital satellite radio channels, and a satellite for broadcasting the digital satellite radio channels. For overcoming...
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8131212 |
Method and apparatus for compensation for weather-based attenuation in a satellite link
A controlled satellite link, comprising a reference unit for measuring signal attenuation over said link, and a control unit, associated with said reference unit, configured for controlling at...
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8131211 |
XM radio satellite reception without degrading coverage in XM terrestrial markets
A system is provided for enhancing coverage for a mobile satellite service, the system comprising a signal threshold comparator module for monitoring a predetermined threshold for a satellite...
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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...
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8121536 |
Noise compensation in satellite communications
A quality measure, such as a signal-to-noise ratio, of a signal arriving at a gateway for a return link is used to adjust a data rate for the link. The return link is transferred from a terminal to...
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8121605 |
Resource allocation to terrestrial and satellite services
There is provided a method for improving an allocation of resources, i.e., frequency and power, to terrestrial services and satellite services that use a same frequency band. The method includes...
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8121538 |
Communication system and handshake method thereof
A communication system and a handshake method thereof are provided. The communication system has a service path and comprises a BS, at least one MS, and an MS. One of the at least one RS is located...
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8116265 |
Channel estimation
To allocate a very small aperture terminal (VSAT) to a modulation and coding pair (MODCOD) in a second generation digital video broadcasting satellite (DVB-S2) adaptive coding and modulation (ACM)...
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8116762 |
Method and system for providing aeronautical communication services
Aeronautical communication services is disclosed. For example, an aeronautical vehicle for use in a first aeronautical communication system to allow communication to and from a land-based station...
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8112033 |
Data relay apparatus, communication apparatus and communication method
A data relay apparatus includes a first demodulating unit, demodulating a modulation signal of a first modulation mode from a first transmission source; a second demodulating unit, demodulating a...
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8107436 |
Satellite diversity system, apparatus and method
Communication diversity using a plurality of satellites is disclosed. The satellites can support multiple regions corresponding to multiple satellite beams. Each satellite can support all regions...
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8107875 |
Placement of gateways near service beams
A method and system are presented for operating a multibeam satellite system involving positioning a plurality of service beams associated with a plurality of service beam coverage areas and...
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8107877 |
System for processing radio frequency signals
Exemplary embodiments are directed to a reconfigurable system for the analogue processing of radio frequency signals in a satellite communications system. The system receives a pre-selected first...
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8103270 |
Fixed cell communication system with reduced interference
A communication system has a high altitude communication device that has an antenna for directing beams to a fixed cell pattern with a polarity of cells. A specific pattern of cells having the same...
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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...
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8102830 |
MIMO radio communication apparatus and method
A multi-input multi-output (MIMO) radio communication apparatus and method are provided. The MIMO apparatus includes a plurality of reception antennas each having a plurality of antenna patterns; a...
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8103211 |
Carrier
The vehicle, such as airplane, which comprises the internal wireless communicating device and the external antenna device, wherein the passenger(s) in the vehicle may access network (e.g., the...
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8099756 |
Channel changes between services with differing bandwidth in a switched digital video system
Channel changes between services with differing bandwidth in a switched digital video system. A services map published by the headend and distributed to all of the edge devices, allows a bandwidth...
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8099043 |
Transmit channel in wideband high frequency wireless system using multiple transmit antenna, and method thereof
Disclosed are a transmitting device and receiving device for selecting a transmit channel in a wideband high frequency wireless system using a plurality of transmit antennas, and a method thereof....
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8094606 |
Adjusting transmission power under changing conditions
A communication system includes a hub, a repeater, and a remote. The hub is configured to adjust a transmission power of the remote depending on an external condition based on (i) a measured...
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8094605 |
Aircraft communications system with network selection controller and associated methods
A communications system for an aircraft carrying at least some personnel having personal electronic devices (PEDs) for wireless data communications outside the aircraft includes a ground-based...
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8095064 |
Satellite broadcast receiving and distribution system
The present invention provides a satellite broadcast receiving and distribution system that will permit for the transmission of vertical and horizontal or left-hand circular and right-hand circular...
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8095066 |
Method of optimizing the resources used in a satellite or aircraft telecommunications system
The invention relates to a method of optimizing the resources used in a satellite or aircraft telecommunications system (onboard segment). The method includes expressing the difference in...
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8090312 |
System and method for observing a satellite using a satellite in retrograde orbit
A satellite and an arrangement for placing the satellite in a retrograde orbit, i.e. inclined at approximately 180° to the equator. Multiple satellites may be used and the orbits thereof may be ...
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8081922 |
Methods and apparatuses for processing satellite positioning system signals
Methods and apparatus are provided for use in devices adapted to receive signals from at least one satellite positioning system (SPS). As part of at least one search for a transmission from a space...
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8078101 |
Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex and/or frequency-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...
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8073386 |
Broadband communication platform and methods of network operation
A subscriber platform according to various aspects of the present invention, includes an antenna and a receiver coupled to the antenna. The subscriber platform is operated by a subscriber. A method...
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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...
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8068448 |
Apparatus, system, and computer program for synchronizing communications
A satellite communication system includes a hub, a repeater, a scheduling unit, and a remote. The scheduling unit is configured to synchronize a communication of the system based on an elapsed time...
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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...
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8068789 |
Survey device
A survey device, including: an antenna to receive at least one wireless signal; an interface to receive environmental data; one or more processors to determine spatial data using the at least one...
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8064824 |
Systems and methods for reducing power robbing impact of interference to a satellite
Processing return feeder link signals at a satellite gateway including a first and second receive antennas includes receiving first and second return feeder link signals at the first and second...
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