Matches 1 - 50 out of 458 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
7386238 Method and system for infrared data communications  
A method and system for conveying contextually relevant information to a wireless client are disclosed. More particularly, a transmitter transmits a diffuse infrared signal to a client having an...
7379706 Methods and apparatuses for integration of broadcast transmission with access infrastructure of a public network for mobile communications  
A telecommunications network for mobile users includes a user subsystem and a transport subsystem connected to an access subsystem. The access subsystem provides a user access communications...
7376389 Wireless communication system and lift system having the same  
A wireless communication system for providing a radio frequency (RF) link between an enclosed environment that is at least substantially shielded from RF signals, and the outside of the enclosed...
7373105 Method of determining communication link quality employing beacon signals  
A method of determining communication link quality includes the steps of: providing communications stations (e.g., UHF communications satellites, base stations of a terrestrial cellular network)...
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...
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...
7363003 Mobile communication network using mobile station with relay-function and method for rewarding relay activities of mobile station  
A GSM network ( 1 ) includes a base station ( 2 ). A first mobile terminal ( 5 ) is outside a region of coverage. Using Bluetooth network, a second terminal ( 6 ) relays signals between the first...
7362262 Method and apparatus for providing an integrated communications, navigation and surveillance satellite system  
An integrated communications, navigation and surveillance system includes a plurality of satellites in communication with one another and broadcasting navigation signals. The satellites are capable...
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...
7339932 Communication system and mobile communication station used for this communication system  
A communication system and mobile communication station used in a communication system with low installation cost and no base station. The communication system performs radio communication by...
7336930 Interference cancellation in wireless relaying networks  
In accordance with the invention, signal information representative of a first set of information to be transmitted more than one time over at least one link is stored as a priori known signal...
7333770 Optimised data broadcasting device in a telecommunication system  
The invention concerns a device for data broadcasting in an access network consisting of several interconnected nodes for transporting fluxes of information elements between content providers and...
7317918 Method for domain name service (DNS) in a wireless ad hoc network  
In a wireless ad hoc network comprising a plurality of nodes, a primary node receives a domain name service (DNS) query from a node. The primary node determines whether the query can be resolved...
7313399 Protocol for configuring a wireless network  
A target device joins a wireless network by attempting to locate an existing routing device in a predefined neighborhood of the wireless network, designating the existing routing device as a master...
7313362 High altitude airborne craft used as radio relay and method for placing said airborne craft on station  
The present invention relates to an aircraft and to a method of getting the aircraft onto station. According to the invention, said aircraft ( 1 ) includes propulsion means ( 2 ) capable only of...
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...
7295808 Method of and system for calibrating a repeater  
A method of and system for calibrating a repeater in a wireless communications system are provided. The one or more calibration parameters for the repeater are derived from (a) time measurements...
7292789 Multi-channel wide-field laser communications method and apparatus  
A communications terminal includes a first aperture configured to receive laser signals from ground laser sources, pick-off mirrors configured to receive laser signals from mobile laser sources, an...
7292638 Transform-based alias cancellation multi-channel tuner  
A satellite receiver includes a signal cancellation tuner for processing a plurality of different transponder signals to simultaneously provide a plurality of different bit streams. The signal...
7289820 Time-matching system and time-matching method  
A time-matching system includes a first terminal device and a communications relay device relaying communications between the first terminal device and a second terminal device on a wireless...
7289763 Cellular telephone system that uses position of a mobile unit to make call management decisions  
A cellular telephone system has call management decisions made based on the exact geographic location of the mobile unit. These call management decisions include billing and taxing decisions, cell...
7283787 Direct amplifying station and positioning method for mobile station thereof  
The present invention relates to a repeater for positioning mobile station and a method thereof. The repeater according to the present invention is implemented through adding a cell identifier...
7280500 System and method for synchronizing broadcast transmissions from wireless base stations  
An apparatus for broadcasting packet data to a first wireless mobile station in a wireless network. The apparatus comprises: 1) a first broadcast controller for receiving from the first mobile...
7280498 Low-latency/low link margin airborne satellite internet system and method using COTS infrastructure  
Low-latency satellite Internet service from a commercial off-the-shelf two-way satellite Internet system for aircraft under marginal communications link conditions is provided. One or more...
7274931 Systems and methods for enhancing the provisioning and functionality of wireless instruments  
A system and method for enhancing the provisioning and functionality of wireless or portable devices, and more particularly a charging device configured to bi-directionally communicate to a...
7274907 Wireless instrumentation system and power management scheme therefore  
A wireless instrumentation system enables a plurality of low power wireless transceivers to transmit measurement data from a plurality of remote station sensors to a central data station accurately...
7269504 System and method for assigning a level of urgency to navigation cues  
System and method for guiding a driver of a vehicle ( 20 ) from a starting point to a destination point using an assignment of levels of urgency of navigation cues. The system comprises a...
7269147 Relaying broadcast packet in a mobile Ad-hoc network including flushing buffer if broadcast count number exceed buffer size  
Processing broadcast data in a mobile Ad-hoc network includes: determining if all of the broadcast packets have been received using a Latest Broadcast Count Number (NBC) stored in a neighbor table...
7257370 Method and apparatus for mitigating interference from terrestrial broadcasts sharing the same channel with satellite broadcasts using an antenna with posterior sidelobes  
An apparatus for simultaneously receiving a first signal from a non-terrestrial source and a second signal from a terrestrial source on the same or overlapping channels using a receive antenna with...
7221905 Dual mode satellite cellular telephone systems  
A dual-mode telephone with a satellite communication adapter is disclosed. According to one embodiment of the present invention, a cellular-type handportable phone is equipped with a connector for...
7218891 Multi-hop intelligent relaying method and apparatus for use in a frequency division duplexing based wireless access network  
A multi-hop relaying method and apparatus used in a cellular network. The multi-hop transmission scheme utilizes intelligent relays within a conventional cellular system having at least one base...
7213080 Intelligent radio design for satellite gateways and terrestrial base stations  
An adaptive intelligent radio module (IRM) is provided in an intelligent radio design for gateways between satellite and terrestrial networks. The intelligent radio module monitors channel signal...
7209663 Apparatus and method for repeating signal by using wireless optical transmission  
A repeating apparatus and method using wireless optical transmission is disclosed. The repeating apparatus includes a donor device for transmitting two identical copies of an optical signal by...
7206575 Method of remotely estimating a rest or best lock frequency of a local station receiver using telemetry  
A system includes a remote station and a local station having a receiver. The receiver operates in an unlocked state corresponding to its best lock frequency (BLF). The local station derives data...
7200360 Communication system as a secondary platform with frequency reuse  
A communications system ( 10 ) and method of operating the communications system includes a first stratospheric platform generating a second beam having a frequency the same as a satellite beam to...
RE39503 Space-based server network architecture  
A space-based server network architecture ( 1 ) which permits on demand transfer of mission and control data between client satellites ( 14 ) in an orbit about earth and an earth station ( 20, 22,...
7181162 Communication system using multiple link terminals  
A communication system has a plurality of bases stations generating communication portions from a base station communication signal. The plurality of base stations are capable of using the entire...
7181160 Method and apparatus for providing a signal to passengers of a passenger vehicle  
A system that provides information to a second passenger vehicle, to create an information network between the second passenger vehicle and an information source, the system including a first...
7174128 Radio communication system and radio communication method  
In a service area of base station 101 is provided at least one relay station 102 that executes processing for non real time data repeat request from communication terminal 103 as a substitute...
7174127 Data communications systems and methods using different wireless links for inbound and outbound data  
A hybrid satellite communications system provides communications, particularly Internet access, to computer users. The hybrid satellite communications system includes a satellite system and a...
7171158 Satellite communication system using linear cell tracking  
An improved satellite communication device and system are provided. The satellite communication device uses yaw or roll-yaw steering to linearize angular track of uplink cells; one-dimensional...
7155161 Communications apparatus and method  
A method of reusing frequency bands between base stations of a terrestrial mobile communications network and a satellite communications network, comprising allocating the frequency bands using...
7146131 Antenna apparatus of relay system  
Disclosed is an antenna apparatus of a relay system. The relay system includes a link antenna apparatus transmitting and receiving electric signals to and from a base station, a coverage antenna...
7142809 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...
7136621 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...
7136620 Method and apparatus for providing wideband services using medium and low earth orbit satellites  
A method and apparatus for mitigating communications interference between satellite communications systems in different orbits is disclosed. The method comprises the steps of evaluating a...
7136619 Multi-channel redundant wireless network link and device  
A Multi-Channel Redundant Wireless Network Link (RWNL) device ( 10 ) comprises a plurality of wireless networking radio units, a processor unit, a radio control unit, and wired network units. Two...
7123911 Method and system of wireless signal repeating  
A method and system of wireless signal repeating. A wireless signal repeater may receive a group of signals and select signals to be amplified so as to produce amplified signals. The repeater may...
7123875 System and method for multipoint distribution of satellite digital audio radio service  
A satellite digital audio radio service multipoint distribution system and method. The system comprises a satellite antenna and a satellite receiver for receiving a satellite digital audio radio...
7120393 Temperature sensor insensitive to device offsets with independent adjustment of slope and reference temperature  
A radio transceiver includes circuitry that enables received RF signals to be down-converted to baseband frequencies and baseband signals to be up-converted to RF signals prior to transmission...
Matches 1 - 50 out of 458 1 2 3 4 5 6 7 8 9 10 >