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7616663 |
Method and apparatus for information dissemination
A system and method for transmitting information to a group of recipient devices according to a transmission schedule. A sequence of M blocks of information are transformed into N transformed...
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7609666 |
Methods and systems providing adaptive feeder links for ground based beam forming and related systems and satellites
A method of operating a communications system including a satellite may include providing communications feeder links between the satellite and a plurality of satellite gateways, and providing a...
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7609665 |
Wireless repeater, the method for wireless repeating, and data communications system
A wireless repeater on a communication line has a structure that includes a plurality of wireless communication media, and a band control unit that changes the first bandwidth of the communications...
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7606531 |
Repeating station, a communication apparatus, and a directivity control method
A repeating station, a communication apparatus, and an antenna directivity control method are disclosed. The repeating station includes
a first antenna group including at least one antenna...
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7603081 |
Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications
A radiotelephone includes a single radio frequency chain and a single baseband processor that is connected thereto. The single radio frequency chain and the single baseband processor are configured...
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7602743 |
HUB modem system, method and apparatus
A communication system, method, computer program product, and apparatus include common equipment shared between multiple independently administered networks. The common equipment is reconfigurable...
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7599656 |
Spatial guardbands for terrestrial reuse of satellite frequencies
Satellite radiotelephone systems include a space-based component that is configured to provide wireless radiotelephone communications in a satellite footprint over a satellite radiotelephone...
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7599314 |
Surface-space managed network fabric
A managed surface-space network fabric is presented. The surface-space network fabric can include a spaced-based network fabric and a surface-based network fabric integrated together to form a...
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7596352 |
Apparatus and method for channel estimation and echo cancellation in a wireless repeater
A system and method for channel estimation and echo cancellation in wireless system repeaters. A repeater with improved echo cancellation comprises an input radio control element having a receiving...
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7596111 |
Satellite/terrestrial wireless communications systems and methods using disparate channel separation codes
A wireless communications system includes a space-based component (SBC) and an ancillary terrestrial component (ATC) configured to communicate with radioterminals using a common satellite service...
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7567779 |
Sub-orbital, high altitude communications system
A sub-orbital, high altitude communications system comprising at least two ground stations and at least one high altitude relay station. Each of the ground stations including means for sending and...
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7558250 |
Systems and methods for wireless communications via satellite
A method for communicating between an airborne mobile terminal and a terrestrial location via satellite, wherein the satellite communication channel is provided by an integrated services digital...
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7554937 |
Adaptive packet transmission method for transmitting packets in multibeam satellite communication system
Provided is an adaptive packet transmission method in a cellular mobile communication system using a multibeam satellite. The method includes the steps of: a) being periodically reported, from...
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7546139 |
System and method for establishing and maintaining communications across disparate networks
A system for establishing and maintaining communications across disparate networks comprises a satellite dish and control unit comprising a network management server and a satellite data conversion...
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7545764 |
Synchronized code recognition
A system includes a central controller to transmit a plurality of synchronization codes through a transmission medium and a plurality of satellite controllers, each satellite controller configured...
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7542516 |
Synchronization method for symbol boundary detection in UWB-OFDM
A method is presented for packet detection and symbol boundary location using a two-step sign correlation procedure. When the correlation crosses a threshold, a packet detection signal is generated...
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7535863 |
Method and system for adaptive modulation scheduling
Provided is a method and system for transmitting MPEG frames between a DOCSIS based satellite modem termination system (SMTS) and a corresponding satellite modem (SM) system. The method includes...
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7532860 |
Method of using feedback from consumer terminals to adaptively control a satellite system
A system and a methodology uses data provided from consumer terminals in a satellite system to reconfigure a satellite to thereby optimize the strength of signals transmitted by the satellite. The...
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7532859 |
Targeted messaging for mobile vehicles using satellite-radio broadcasts
A targeted message is sent to a mobile vehicle using a satellite broadcast system. A satellite broadcast message including a vehicle identification tag and the targeted message is received at the...
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7529177 |
Dithering scheme using multiple antennas for OFDM systems
A ground-or roof-top-based repeater in an OFDM system uses multiple transmission antennas to retransmit satellite signals. By using multiple transmission antennas, multiple identical OFDM signals...
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7522588 |
System and method for reference data processing in network assisted position determination
A system and method of preprocessing reference data in a reference assisted location technology are disclosed. A plurality of reference stations each provides reference data over a network to a...
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7509144 |
Scalable communication system, method and apparatus
A communication system, method, computer program product, and apparatus include common equipment shared between multiple independently administered networks. The common equipment is reconfigurable...
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7505736 |
Aeronautical broadcast and communication system
A method and system for a plurality of airplanes in flight to receive from and send to a plurality of ground stations broadcast and communication signals through a single or a plurality of...
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7502382 |
Method and apparatus for multicast packet distribution in a satellite constellation network
A satellite network constellation employs a technique for multicasting packets through the network according to the present invention. The network comprises plural satellites in plural orbital...
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7493081 |
Virtual network operator system, method and apparatus
A communication system, method, computer program product, and apparatus include common equipment shared between multiple independently administered networks. The common equipment is reconfigurable...
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7486927 |
Method and arrangements for wireless communication between a vehicle and a terrestrial communication system
An emulator functionality is provided at both ends of a satellite communication link that is used between wireless network cells inside a vehicle, such as an aircraft, and a terrestrial...
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7477597 |
Rural broadband hybrid satellite/terrestrial solution
At a remote site, a satellite route is installed to augment the capacity of a terrestrial route. A specialized forwarding unit is introduced at both ends of these parallel satellite and terrestrial...
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7474635 |
Communication system and method using time division multiplexed (TDM) downlink
A technique for reducing power requirements in a communication transponder by converting signals in multiple uplink channels carried in frequency division multiplexed (FDM) form on multiple uplink...
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7460038 |
Systems and methods of clustered sharing of compression histories
Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long...
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7457619 |
Method for optimizing wireless data link capacity between mobile vehicles
Wireless data links between mobile vehicles are optimized by positioning the mobile vehicles in default locations, creating a wireless data link between the vehicles, and measuring the initial...
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7454203 |
System and method for providing wireless services to aircraft passengers
A wireless communications system and method for use with aircraft includes an airline network and an aircraft communications system. The airline network includes a reservation system having a...
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7454167 |
Apparatus and method for echo cancellation in a wireless repeater using cross-polarized antenna elements
A repeater for re-transmitting uplink and downlink signals in a wireless network. The repeater uses antenna cross-polarization, signal cancellation and digital processing techniques to reduce or...
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7447171 |
Antenna diversity system
A system ( 100 ) for combining satellite and terrestrial signals from spatially diverse antennas ( 102 and 104 ) includes a tuner ( 101 ) and at least first and second analog to digital...
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7447170 |
Digital beacon asymmetry and quantization compensation
A method, apparatus for reducing errors in a plurality of beacon beams is disclosed. The method comprises the steps of computing quantized channel weights {tilde over (W)} c from channel weights W...
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7443814 |
Method and apparatus for segmentation, reassembly and inverse multiplexing of packets and ATM cells over satellite/wireless networks
A method of transmitting information arranged in packets from one location to a second location via a wireless/satellite network, comprising: (a) examining each packet to determine whether its size...
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7437123 |
Space-based network architectures for satellite radiotelephone systems
A space-based network for a satellite radiotelephone system includes at least one receive-only satellite and at least one transmit satellite. The transmit satellite can be a transmit-only satellite...
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7426387 |
Wireless, ground link-based aircraft data communication system with roaming feature
A flight information communication system has a plurality of RF direct sequence spread spectrum ground data links that link respective aircraft-resident subsystems, in each of which a copy of its...
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7423987 |
Feeder link configurations to support layered modulation for digital signals
Systems and methods are disclosed for feeder link configurations to layered modulation. One feeder link system employs feeder link spot beam to antennas in distinct coverage areas to enable...
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7414987 |
Wireless telecommunications system for accessing information from the world wide web by mobile wireless computers through a combination of cellular telecommunications and satellite broadcasting
A hybrid cellular telephonic and satellite radio broadcast system for enabling a wireless mobile computer to rapidly and effectively access information from the Web. The combination of a mobile...
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7408892 |
Upstream adaptive modulation in DOCSIS based applications
A system and method for providing upstream adaptive modulation. Burst parameters associated with a range of data interval usage codes (IUCs) are defined. Each of the data IUCs has a different...
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7394780 |
Method, apparatus, and system for downstream recovery in a communication network
A communication network control method for a communication network including a hub and a plurality of user nodes includes adjusting system parameters to maximize communication data rate and...
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7394779 |
Satellite IP multicasting system and method
The present invention relates to a satellite IP multicasting system and method for constructing an IP multicast network by a unit of internet node having a router for subscriber connection or a...
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7391975 |
Method of synchronizing servo timing in an optical wireless link
A technique for synchronizing the servo control systems between two optical wireless links (OWLs) that are in communication with one another. This synchronization allows the alignment in time of...
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7388869 |
System and method for routing among private addressing domains
An approach for routing over a radio network is provided. A terminal receives a packet over the radio network, which supports meshed connectivity, wherein the packet is destined for a destination...
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7385942 |
System for maintaining the integrity of remote data by making it disposable
In a networked system having a protected central server network connected to one or more satellite servers, the central server includes master data, and each satellite system includes replicated...
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7382743 |
Multiple-beam antenna system using hybrid frequency-reuse scheme
Antenna system and methodology for producing multiple interleaved beams using a hybrid frequency-reuse scheme. In particular, depending on the traffic demand in specific coverage areas, some beams...
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7376077 |
Data monitoring and recovery
In one embodiment, a method for DMR includes generating first tracking reports of first data units received at one or more receptors from one or more remote units, generating second tracking...
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7373085 |
Hybrid satellite and fiber communications system
A communication system employing optical fibers and a high data rate satellite is utilized to provide high-speed Internet access to various geographic regions. In one aspect, a first teleport...
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7372824 |
Satellite receiver/router, system, and method of use
This specification discloses a satellite transmission system for transmission of TCP/IP compatible packets from a head end computer through a satellite uplink, an extraterrestrial satellite, a...
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7370566 |
Complimentary retrograde/prograde satellite constellation
A method for sensing and monitoring ICBM threats using a constellation of earth orbiting satellites. The method includes arranging a first and a second plurality of threat sensing satellites in...
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