|
Match
|
Document |
Document Title |
|
|
6850732 |
Scalable satellite data communication system that provides incremental global broadband service using earth-fixed cells
A scalable satellite data communication system that provides incremental global broadband services using Earth-fixed cells may begin with a limited satellite deployment that initially serves a...
|
|
|
6850187 |
Satellite integrity monitor and alert
The present invention is a system for providing GPS users with a high level of confidence in the integrity and accuracy of received GPS signals. The system provides a means for each GPS satellite...
|
|
|
6847801 |
Communications system and method employing forward satellite links using multiple simultaneous data rates
A communication system and method for transmitting data to mobile platforms using multiple simultaneous channels operating at multiple data rates. Each mobile receiver has the capability to receive...
|
|
|
6847893 |
Horizontal/vertical exclusion level determination scheme for RAIM fault detection and exclusion implementation
A method for satellite receiver autonomous integrity monitoring (RAIM) real time fault detection and exclusion implementation comprising the following steps: (1) continuously computing a horizontal...
|
|
|
6839547 |
Enhanced GPS receiver utilizing wireless infrastructure
A locator using Navstar constellation signals for determining geographical location of a mobile receiver. The locator is integrated with a mobile unit of a cellular network, which derives its...
|
|
|
6834188 |
Method for tracking outgoing telephone calls for multiple maritime vessels
A method of using a satellite based handheld phone system for generating a telephone call from a maritime vessel using a handheld unit.
|
|
|
6823185 |
Systems and methods for performing authorized intercept in a satellite-based communications system
Authorized intercepts of communications in a satellite communications system ( 10 ) are performed, according to which a law enforcement agency (LEA) can request the intercept of communications to...
|
|
|
6819940 |
Mobile communications system
A mobile communications system includes mobile communications terminal equipment capable of switching among a plurality of mobile communications systems including the former system, such as a...
|
|
|
6816705 |
Satellite communication system and method
A satellite communications system and method, where a satellite 10 can pass messages between a user terminal 44 and an earth station 38 , as the satellite moves in an orbit 12 12 ′ as...
|
|
|
6813492 |
Satellite beam pattern for non-uniform population distribution
A method of generating a beam pattern ( 202 ) covering a region of interest ( 100 ) is disclosed. The method includes generating a first set of beams having a first size ( 204 ). Each beam occupies...
|
|
|
6804492 |
High volume uplink in a broadband satellite communications system
In a communication system with a bandwidth-on-demand processor, which may be power limited and connected to a myriad of terminals via relatively long delay paths, and another processor, which is...
|
|
|
6804514 |
Global dual terminal low earth orbit communications system
A satellite-based communications system and a method for operating a satellite-based communications system is disclosed. The system is of a type where communications between a user terminal and a...
|
|
|
6801768 |
Multimedia two-way communication terminal
A bidirectional multimedia communication terminal with two orientable antennas for sending/receiving radio signals conveying multimedia data, electronic signal processors for processing signals...
|
|
|
6795699 |
Geolocation techniques for an airborne cellular system
A method of locating a billing area associated with a cell phone call initiated in an airborne cellular communications system enables service providers to more accurately identify system user...
|
|
|
6788935 |
Aircraft-based network for wireless subscriber stations
The aircraft-based network for wireless subscriber stations provides wireless telecommunication services in the aircraft for both the terrestrial (ground-based) and non-terrestrial regions via the...
|
|
|
6785543 |
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...
|
|
|
6778825 |
Path discovery method for return link communications between a mobile platform and a base station
A polling system and method for establishing forward and return communications links with a plurality of mobile platforms operating within a given coverage region. The system and method combines...
|
|
|
6775251 |
Satellite communication system providing multi-gateway diversity and improved satellite loading
A method includes steps of (a) establishing a call connection between a terrestrial telecommunications network and a user terminal via a first gateway and at least one satellite, (b) while the call...
|
|
|
6768906 |
System and technique for plane switchover in an aircraft based wireless communication system
An aircraft based communication system ( 10 ) defining a wireless service area ( 20 ) is disclosed. The communication system ( 10 ) includes a communication gateway ( 30 ) connected to a...
|
|
|
6763242 |
Resource assignment system and method for determining the same
A communications system and method of operating the communications system includes a high altitude communication device that communicates with a plurality of user terminals and a gateway station....
|
|
|
6757264 |
Satellite communication system for broadcasting audio-visual programs and multimedia data
The system comprises transmitters transmitting programs or multimedia data to a satellite, each program being transmitted on an uplink frequency channel, and program multiplexing means onboard the...
|
|
|
6757535 |
System and method for providing network addresses to mobile platforms
A system and method for assigning network addresses to mobile platforms using a satellite communications link. The network address information is transmitted from a ground station only upon request...
|
|
|
6754489 |
Node and onboard station for setting up at any time a call involving a passenger on a vehicle
Passengers on board a vehicle make and receive calls via a satellite network. That network sees each passenger involved in a call as a temporary dummy subscriber of the satellite network. Thus the...
|
|
|
6751458 |
Architecture utilizing frequency reuse in accommodating user-link and feeder-link transmissions
A communication system has a high altitude communication device generating a plurality of user link beams having a first communication characteristic and a feeder link having a first communication...
|
|
|
6748202 |
Method, apparatus and system for synchronizing a cellular communication system to GPS time
A ranging receiver ( 10 ) including a cellular module ( 11 ), for providing time according to a positioning system to enable synchronizing a wireless system to the positioning system. The ranging...
|
|
|
6745004 |
Satellite frequency generation incorporating secondary power supply
A technique for providing secondary DC power to certain satellite payload components to reduce the number of secondary power converters on the satellite. A frequency generator ( 60 ) is used as a...
|
|
|
6744745 |
System for providing information and an apparatus which receives the information
Information transmitting station transmits code division multiplexed information to many mobile units via a satellite. An information receiving apparatus is mounted on each automobile running on...
|
|
|
6741574 |
Method and apparatus for performing satellite selection in a broadcast communication system
A method and apparatus for performing satellite selection in a broadcast communication system is provided. In some embodiments, a controlling data stream broadcast on a first satellite over a...
|
|
|
6741834 |
Device and method to improve integrated presentation of existing radio services and advanced multimedia services
A method and apparatus for providing an integrated presentation of existing media program services and secondary media program services is described. The method comprises the steps of accepting a...
|
|
|
6738346 |
Hierarchical downlink scheduler for a processed satellite payload
A downlink scheduler ( 20 ) is provided for scheduling the downlink transmission of data cells in a spot beam processing satellite ( 12 ). The downlink scheduler ( 20 ) includes a beam selector (...
|
|
|
6738363 |
Method and apparatus for scheduling call admission control in satellite and wireless networks
An apparatus for allocating communication channels in a manner that increases network efficiencies or operator revenue includes a resource manager that accepts and stores (forms a queue) resource...
|
|
|
6738621 |
Exchange of communication traffic in a satellite communication system
For exchanging telecommunications traffic with land mobile telecommunication networks, it is proposed to make use of a satellite communication network, made up of a number of telecommunication...
|
|
|
6738350 |
Congestion avoidance approach for a switching communication system with transmission constraints
An approach for performing congestion avoidance in a switching communication system is disclosed. An input port of the switching communication system receives a bandwidth request from a source. The...
|
|
|
6738598 |
Multilayer radio frequency interconnect system
A multilayer radio frequency interconnect apparatus includes a plurality of laminated printed wiring boards made of a dielectric material with low loss characteristics for radio frequency...
|
|
|
6735439 |
Pseudo-global title translation for international roaming of ANSI-41 subscribers
A method is provided for routing a message through a telecommunications network. The method includes receiving an identifying number (eg: a MIN or ESN) from a wireless terminal and prepending at...
|
|
|
6735438 |
Antenna for air-to-ground communication
A system and method for providing wireless communication services to passengers of an aircraft through the use of a standard mobile telephone. A system of antennas on an air base station radiates...
|
|
|
6735440 |
Low earth orbit distributed gateway communication system
There is disclosed a method and an apparatus for extending the effective service regions of gateways and virtual gateways through a gateway-to-gateway diversity technique. The gateways are...
|
|
|
6735437 |
Communication system employing reuse of satellite spectrum for terrestrial communication
A terrestrial communication system using satellite uplink and downlink frequencies is disclosed. A terrestrial cell site produces a signal at a satellite uplink frequency that is transmitted to a...
|
|
|
6731906 |
Method and system for determining the phase and amplitude of a radio occultation signal
The present system for determining the phase and amplitude of a radio occultation signal modifies the traditional Open Loop tracking process to maximize the signal-to-noise ratio, minimize the...
|
|
|
6728535 |
Fail-over of forward link equipment
A communications system and method for transmitting data to a mobile platform is provided. The communications system comprises a forward link assignment manager in communication with a route server...
|
|
|
6725013 |
Communication system having frequency reuse in non-blocking manner
A communications system ( 10 ) and method of operating the communications system includes a high altitude communication device ( 12 ) that communicates with a plurality of user terminals and a...
|
|
|
6725158 |
System and method for fast acquisition reporting using communication satellite range measurement
A geographic tracking system with minimal power and size required at the mobile terminal collects observation data at the mobile terminal, forwards the data to a processor, which calculates the...
|
|
|
6725034 |
Method for synchronizing a space telecommunications system comprising at least one satellite
The invention relates to a method for synchronizing a space telecommunications system comprising at least one satellite and several user terminals, each satellite comprising: off-line and real...
|
|
|
6721538 |
Time-offset distribution to ensure constant satellite power
An approach for minimizing variation in transmit power of synchronized signals that are destined to a satellite is disclosed. A gateway station system for communicating with a communication...
|
|
|
6718161 |
Apparatus and method for reducing latency and buffering associated with multiple access communications systems
A multiple access communications system includes a communications unit, such as satellite or a mobile link base station, and an antenna disposed thereon. The antenna has the capability to direct an...
|
|
|
6714521 |
System and method for implementing a constellation of non-geostationary satellites that provides simplified satellite tracking
Provided is a system and method for implementing a constellation of satellites in inclined elliptical orbits that provides simplified satellite tracking for ground stations on the earth. The...
|
|
|
6711407 |
Array of processors architecture for a space-based network router
A space-based network router architecture ( 20 ) is disclosed. The router includes an array-of-processors architecture ( 20 ) for routing uplink and downlink traffic of a communications system ( 10...
|
|
|
6704543 |
Multi-beam satellite communications system
A satellite communications system having ground user terminals, hubs, and a geosynchronous satellite. The satellite generates a network of spot beam coverage areas on the earth. A hub and at least...
|
|
|
6701153 |
Methods and systems for determining the location of mobiles in a UMTS telecommunications system
A Universal Mobile Telecommunications System (“UMTS”) is modified to provide location-determining services similar to Wireless-Assisted-GPS (“WAG”) services to mobiles without requiring the...
|
|
|
6700527 |
Coherent two-dimensional image formation by passive synthetic aperture collection and processing of multi-frequency radio signals scattered by cultural features of terrestrial region
An imaging system uses wideband ‘RF daylight’ created by plural narrowband RF illumination sources, to passively generate spectrally different sets of RF scattering coefficients for multiple...
|