Entries |
Document | Title | Date |
20080227446 | Portable handheld satellite phone conversion module - A mobile communication device for communication and data transfer utilizing a satellite phone system including a module which replaces or supplements the battery of a satellite phone handset and includes an embedded micro-processor, a camera, a GPS unit, a compass, a mass storage device, a display screen and communication ports. The module is designed to transmit data and images without the need for additional software or other peripheral devices. The module is designed to completely enclose a satellite phone therein thereby providing environmental protection for the satellite phone. | 09-18-2008 |
20080233952 | TECHNIQUES FOR PROVIDING BROADCAST SERVICES ON SPOT BEAM SATELLITES - Techniques for providing broadcast services on spot beam satellite are provided. These techniques enable the mission of a spot beam satellite system to be changed from providing spot beam transmission to broadcast transmissions, and vice versa, without requiring that the satellite be reconfigured. Broadcast data may be encoded and transmitted concurrently on a plurality of spot beams. According to some embodiments, the broadcast data may be encoded using a space-time code and/or forward error corrected (FEC) encoded to enable a receiver to correct errors in the signal received from the spot beam satellite. | 09-25-2008 |
20080268836 | 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 or a transmit and receive satellite. The receive-only satellite(s) are configured to receive wireless communications from a radiotelephone at a location over a satellite frequency band. The transmit satellite(s) are configured to transmit wireless communications to the radiotelephone at the location over the satellite frequency band. By providing at least one receive-only satellite and at least one transmit satellite, space-based networks can offer a significant link margin, without the need to undesirably burden the radiotelephones themselves to achieve this link margin. | 10-30-2008 |
20080274732 | Digital Radiocommunication Method and System, Particulary for Mobile Ground Stations - The invention relates to a digital radiocommunication system having an antenna, one or several modems and frequency translators. The system also has at least one device external to the modems connected firstly to at least one modem, and secondly to at least one frequency translator. This device is designed to execute mathematical processing in base band on communication signals output from the modem and/or the translator, for example such as modulation by spectrum spreading of the signal received from the modem; and demodulation by spectrum dispreading of the signal received from frequency translators. Another purpose of the invention is a signal processing method like that used in the system. The invention is applicable to satellite radiocommunication systems onboard mobile ground stations capable of communicating while in movement. | 11-06-2008 |
20080287123 | System and Method for Processing Satellite Communication Data - The present invention provides an apparatus and method for intercepting and monitoring communications between target mobiles and a main station of a satellite communication system, wherein communication between the mobiles and a satellite is achieved by using a first-band spot beams, chosen by the mobiles and wherein communication between the satellite and the main station is achieved by using a wideband second-band link, and wherein the satellite is operable to change the mapping scheme of the first-band frequencies to the second-band frequencies, the apparatus comprises: at least one RF second-band and at least one RF first-band receive antenna which transmits the received signals to at least one RF second-band and at least one first-band receiver respectively; an intermediate frequency RF distributor which receives signals from said RF second-band and RF first-band receivers and splits the transmission into groups of frequencies; a plurality of demodulators which are tuned to cover sequentially the first-band frequency spectrum, for extracting identification codes of target mobiles and decryption messages; a wide angle mapping unit which receives the second-band signals from said intermediate frequency distributor, analyses and maps the received frequencies according to their time occurrence, and correlates said frequencies with said first-band frequencies; means for recording and monitoring said communications. | 11-20-2008 |
20080287124 | SYSTEMS, METHODS AND DEVICES FOR REUSING SPECTRUM OF ANOTHER OPERATOR - A system according to some embodiments includes a first transceiver configured to transmit downlink signals to, and to receive uplink signals from, a first plurality of mobile terminals in a geographic area using a telecommunications resource, and a resource coordination controller coupled to the first transceiver and configured to communicate with a second telecommunications system including a second transceiver configured to transmit downlink signals to, and receive uplink signals from, a second plurality of mobile terminals within the geographic area using the telecommunications resource. The resource coordination controller may be further configured to coordinate use of the telecommunications resource by the first transceiver and/or the first plurality of mobile terminals based on use of the telecommunications resource by the second transceiver and/or the second plurality of mobile terminals. | 11-20-2008 |
20080311904 | Communication Network with Relaying of Radio Signals By Relay Terminals - A radiocommunication network includes at least one communication station (GW) adapted to exchange data by radio with radiocommunication terminals (T | 12-18-2008 |
20090088151 | Radioterminals Including Satellite/Hands-Free Interlocks and Related Methods - A radioterminal may include a transceiver, a hands-free interface, and a satellite/hands-free interlock. The transceiver may be configured for space-based communications and for terrestrial wireless communications. The satellite/hands-free interlock may be configured to prevent the transceiver from transmitting space-based communications unless the hands-free interface is activated. Related methods are also discussed. | 04-02-2009 |
20090104903 | SATELLITE RADIOTELEPHONE SYSTEMS, METHODS, COMPONENTS AND DEVICES INCLUDING GATED RADIOTELEPHONE TRANSMISSIONS TO ANCILLARY TERRESTRIAL COMPONENTS - A satellite radiotelephone system includes a space-based component and an ancillary terrestrial component that are configured to receive wireless communications from radiotelephones. The radiotelephones are configured to transmit wireless communications to the ancillary terrestrial component over a range of satellite band forward link frequencies. The radiotelephone outputs are gated to cease transmissions periodically over a period of time. Related systems, methods, components and devices are described. | 04-23-2009 |
20090124253 | Methods And Apparatus For Facilitating The Determination Of GPS Location Information For A Mobile Station Without Disrupting Communications Of A Voice Call - Methods and apparatus for facilitating the determination of Global Positioning System (GPS) location information for a mobile station without disrupting communications of a voice call (e.g. a 911 emergency call). In one illustrative example, the mobile station causes GPS navigational-type data to be regularly or periodically received and stored in memory prior to the voice call. At some point in time, the mobile station receives a voice call request to initiate the voice call. In response, the mobile station derives GPS assistance data based on the GPS navigational-type data. The mobile station then causes a GPS fix to be performed using the GPS assistance data, to thereby obtain GPS measurement data. Thereafter, the mobile station causes the voice call to be established and maintained through the wireless network. | 05-14-2009 |
20090131046 | SYSTEMS AND METHODS FOR TRANSMITTING ELECTROMAGNETIC ENERGY OVER A WIRELESS CHANNEL HAVING SUFFICIENTLY WEAK MEASURED SIGNAL STRENGTH - A signal strength that is associated with a first wireless communications channel is detected. Electromagnetic energy is transmitted over the first wireless communications channel in response to the signal strength being sufficiently weak. A determination is made whether a handoff should be made to a second wireless communications channel having a signal that is weaker than a signal of the first wireless communications channel. Related systems and methods are described. | 05-21-2009 |
20090170505 | Radiation relay process and apparatus - A process and apparatus is provided for the transmission of radionuclide spectral information from a remote location. The process facilitates the use of a handheld radiation detector to detect a spectrum of radiation from a radiation source such as a cargo ship at sea. The process facilitates the downloading of information to a computer such as a PDA. The PDA is configured to allow communication with a satellite phone that transmits the stored spectrum to an evaluation center for further analysis and positive identification. Once identified, the results can be relayed to the remote location for appropriate action. | 07-02-2009 |
20090239529 | Telecommunication network - The present invention relates to a telecommunication network for establishing radiofrequency links between gateways and ground terminals via a telecommunication satellite with several spot beams, known as a multispot satellite. The network includes a multispot satellite including a payload for the reception, processing and retransmitting of telecommunication signals received by said satellite, a service area comprised of a plurality of basic coverage areas, known as cells, each cell including a plurality of ground terminals and a plurality N | 09-24-2009 |
20090264120 | SYSTEMS AND METHODS FOR PACKING/UNPACKING SATELLITE SERVICE LINKS TO/FROM SATELLITE FEEDER LINKS - Information content is nonidentically mapped between service link carriers and feeder link carriers at a cellular satellite. A reduced number of satellite feeder link carriers compared to the number of satellite service link carriers and/or a reduced total bandwidth of the satellite feeder link carriers compared to the satellite service link carriers thereby may be obtained. | 10-22-2009 |
20090270088 | Telecommunication network - The present invention concerns a telecommunication network for establishing radiofrequency links between at least one gateway and ground terminals via a multispot telecommunication satellite. The network includes a service zone composed of a plurality of cells each including a plurality of ground terminals, the said service zone being split into N sub-zones, N being an integer strictly greater than 1, each sub-zone having a capacity profile evolving in time over a given period and presenting a maximum value, the said maximum values of each of the capacities being shifted with regard to time and a multispot satellite including a transponder including amplification of the signals emitted by the gateway on the forward link and the signals emitted by the cells on the return link and a continuous power supply system of the amplifier. The said supply system includes means for supplying the amplifier providing the whole of the sub-zones with their respective capacity profile evolving over the said given period, the maximum continuous power delivered by the supply system being less than the continuous power which the amplifier would consume to provide simultaneously the whole of the sub-zones with their maximum capacity value. | 10-29-2009 |
20090270089 | SYSTEMS AND METHODS FOR INTER-SYSTEM SHARING OF SATELLITE COMMUNICATIONS FREQUENCIES WITHIN A COMMON FOOTPRINT - Two satellite communications systems can use the same frequency or frequencies in geographically overlapping footprints, without creating undue interference in a given system that is caused by the same frequency signal(s) that is/are used by the other system. In particular, an aggregate Effective Isotropic Radiated Power (EIRP) of the radioterminals and/or ancillary terrestrial components of a second satellite communications system in the common footprint is sufficiently low, and/or the receive antenna gain of a first satellite communications system is sufficiently low compared to the receive antenna gain of the second satellite communications system, so as to increase an aggregate receiver noise that is seen by the first satellite system receivers by an amount that does not substantially change a Quality of Service (QoS) of the first satellite communications system. | 10-29-2009 |
20090305696 | 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 to transmit wireless communications to the radiotelephones over a downlink radiotelephone frequency. An ancillary terrestrial network, that may include one or more ancillary terrestrial components, is configured to transmit wireless communications to, and receive wireless communications from, the radiotelephones over the downlink satellite radiotelephone frequency in a time-division duplex mode. By terrestrially transmitting and receiving wireless communications over the downlink satellite radiotelephone frequency in a time-division duplex mode, interference at the space-based component and/or at the gateway, by the ancillary terrestrial network and/or the radiotelephones due to terrestrial reuse of cellular satellite frequency spectrum, may be reduced or eliminated. | 12-10-2009 |
20090305697 | COORDINATED WIRELESS COMMUNICATIONS SYSTEM FREQUENCY REUSE - A system and method of operation for efficiently reusing and/or sharing at least a portion of the frequency spectrum between a first satellite spot beam and a second satellite spot beam, and/or an underlay terrestrial network associated with a second satellite spot beam. The spectrum is efficiently reused and/or shared between respective spot beams and/or associated underlay terrestrial systems in a manner minimizes interference between the respective satellite and terrestrial systems. | 12-10-2009 |
20090312013 | SYSTEMS AND METHODS FOR MONITORING SELECTED TERRESTRIALLY USED SATELLITE FREQUENCY SIGNALS TO REDUCE POTENTIAL INTERFERENCE - A satellite radiotelephone frequency band can be reused terrestrially by an ancillary terrestrial network even within the same satellite cell, using interference reduction/cancellation techniques. An interference reducer is responsive to a space-based component and to an ancillary terrestrial network. The interference reducer is configured to reduce interference in wireless communications that are received by the space-based component from first radiotelephones in the satellite footprint over a satellite radiotelephone frequency band using wireless communications that are received by the ancillary terrestrial network from selected ones of second radiotelephones in the satellite footprint over the satellite radiotelephone frequency band and/or wireless communications that are transmitted by the ancillary terrestrial network to the second radiotelephones in the satellite footprint over the satellite radiotelephone frequency band. The interference reducer may include a prefilter that is configured to determine the selected ones of the second radiotelephones. | 12-17-2009 |
20100015971 | REUSING FREQUENCIES OF A FIXED AND/OR MOBILE COMMUNICATIONS SYSTEM - A communications system includes a first wireless communications system configured to provide wireless communications over a first frequency band, and a second wireless communications system configured to provide wireless communications using at least a portion of the first frequency band. The system includes an inter-system communications link between the first wireless communications system and the second wireless communications system. The inter-system communications link is used to coordinate the use of the first frequency band. The system further includes an interference reducer configured to reduce interference between the first wireless communications system and the second wireless communications system. Related methods are also disclosed. | 01-21-2010 |
20100022238 | SIGNAL TRANSMISSION MECHANISM WITH DIVERSITY GAIN IN SATELLITE COMMUNICATION NETWORK - Provided is a satellite communication system for obtaining a diversity gain by transmitting a signal applied with STBC. When a signal transmission band of a link between a satellite and a terminal differs from that of a link between a satellite and a repeater, the satellite communication system includes: a satellite for transmitting a first signal encoded to STBC using a band of a link formed between the satellite to a terminal and transmitting a second signal encoded to STBC using a band of a link formed between the satellite to a repeater; and at least one of frequency transforming repeaters for receiving the second signal through the band of the link formed between the satellite to the repeater, transforming the received second signal to a signal with other frequency band, and transmitting the transformed second signal using a band of a link formed to a terminal. | 01-28-2010 |
20100029269 | APPARATUS AND METHODS FOR POWER CONTROL IN SATELLITE COMMUNICATIONS SYSTEMS WITH SATELLITE-LINKED TERRESTRIAL STATIONS - A signal power control loop is provided for a link between a terrestrial station and a terminal when the terminal and a satellite are linked via the terrestrial station. The signal power control loop may control transmitted signal power of the terminal and/or the terrestrial station. In some embodiments, the signal power control loop controls transmitted signal power of the terminal and/or the terrestrial station independent of signal power control for a link between the terrestrial station and the satellite. | 02-04-2010 |
20100035604 | SYSTEMS, METHODS AND DEVICES FOR OVERLAID OPERATIONS OF SATELLITE AND TERRESTRIAL WIRELESS COMMUNICATIONS SYSTEMS - A communications system includes a space-based network (SBN) including a plurality of spotbeams using a first set of frequencies and an ancillary terrestrial network (ATN) including a plurality of base stations using a second set of radio frequencies. In a coverage zone of a given spot beam wherein the SBN and the ATN use at least one frequency from the first and second sets of frequencies in common, the SBN uses a narrower bandwidth than the ATN on both forward and return links, the ATN employs frequency spreading on at least its return link communications, the SBN employs spatial beam nulling directed toward at least one ancillary terrestrial component (ATC) of the ATN, the SBN employs forward link margin control, the ATN employs return link power control, the SBN employs return link power control and base stations of the ATN provide isolation in the direction of at least one satellite of the SBN. Using such a combination of measures, the ATN and the SBN may support completely or partially overlapping use of the first and second sets of radio frequencies. | 02-11-2010 |
20100035605 | SYSTEMS AND METHODS FOR CONTROLLING A CELLULAR COMMUNICATIONS SYSTEM RESPONSIVE TO A POWER LEVEL ASSOCIATED WITH A WIRELESS TRANSMITTER - A cellular communications system includes a wireless transmitter that is configured to transmit over a set of frequencies that is assigned to a given cell of the cellular communications system from a band of frequencies that is assigned to the cellular communications system. A controller is configured to identify a power level to be used by the wireless transmitter and to determine a subset of frequencies in the set of frequencies that is assigned to the given cell of the cellular communications system, the subset of frequencies to be assigned to the wireless transmitter responsive to the power level that was identified. Related methods are also described. | 02-11-2010 |
20100035606 | 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 to transmit wireless communications to the radiotelephones over a downlink radiotelephone frequency. An ancillary terrestrial network, that may include one or more ancillary terrestrial components, is configured to transmit wireless communications to, and receive wireless communications from, the radiotelephones over the downlink satellite radiotelephone frequency in a time-division duplex mode. By terrestrially transmitting and receiving wireless communications over the downlink satellite radiotelephone frequency in a time-division duplex mode, interference at the space-based component and/or at the gateway, by the ancillary terrestrial network and/or the radiotelephones due to terrestrial reuse of cellular satellite frequency spectrum, may be reduced or eliminated. | 02-11-2010 |
20100041394 | PREDICTION OF UPLINK INTERFERENCE POTENTIAL GENERATED BY AN ANCILLARY TERRESTRIAL NETWORK AND/OR RADIOTERMINALS - Methods are provided for predicting uplink interference potential to a mobile satellite system (MSS) generated by ancillary terrestrial components (ATCs) of an ancillary terrestrial network (ATN) and/or ATC radioterminals that are configured to terrestrially use/reuse satellite frequencies that are used and/or authorized for use by a MSS. The methods include measuring power transmitted by and/or received at one or more radioterminals communicating with one or more terrestrial networks and/or transmitted by and/or received at the one or more terrestrial networks communicating with the one or more radioterminals using terrestrial frequencies that are at least partially outside a range of the satellite frequencies. Uplink interference potential to the MSS generated by terrestrial use/reuse of satellite frequencies by the ATN and/or the ATC radioterminals is predicted responsive to the measured power. Related ancillary terrestrial networks are also described. | 02-18-2010 |
20100041395 | PREDICTION OF UPLINK INTERFERENCE POTENTIAL GENERATED BY AN ANCILLARY TERRESTRIAL NETWORK AND/OR RADIOTERMINALS - Methods are provided for predicting uplink interference potential to a mobile satellite system (MSS) generated by ancillary terrestrial components (ATCs) of an ancillary terrestrial network (ATN) and/or ATC radioterminals that are configured to terrestrially use/reuse satellite frequencies that are used and/or authorized for use by a MSS. The methods include measuring power transmitted by and/or received at one or more radioterminals communicating with one or more terrestrial networks and/or transmitted by and/or received at the one or more terrestrial networks communicating with the one or more radioterminals using terrestrial frequencies that are at least partially outside a range of the satellite frequencies. Uplink interference potential to the MSS generated by terrestrial use/reuse of satellite frequencies by the ATN and/or the ATC radioterminals is predicted responsive to the measured power. Related ancillary terrestrial networks are also described. | 02-18-2010 |
20100041396 | SATELLITE COMMUNICATIONS APPARATUS AND METHODS USING ASYMMETRICAL FORWARD AND RETURN LINK FREQUENCY REUSE - Communications are conducted between a space-based component of the wireless communications system and radioterminals using a plurality of forward link cells and a plurality of return link cells, the return link cells having a greater number of cells per frequency reuse cluster than the forward link cells. At least some of the forward and return link cells may use at least some frequencies of a terrestrial wireless communications system having an adjacent and/or overlapping coverage area. Forward links of the at least some of the forward and return link cells may have a greater link bandwidth than return links of the at least some of the forward and return link cells. | 02-18-2010 |
20100048201 | SYSTEMS AND METHODS WITH DIFFERENT UTILIZATION OF SATELLITE FREQUENCY BANDS BY A SPACE-BASED NETWORK AND AN ANCILLARY TERRESTRIAL NETWORK - A radioterminal communications system includes an ancillary terrestrial component configured to receive from at least some of a plurality of radioterminals using frequencies from a first satellite frequency band (e.g., an L-band) and to transmit to at least some of the plurality of radioterminals using frequencies from a second satellite frequency band (e.g., an S-band). The system further includes a space-based component configured to communicate with the plurality of radioterminals using at least some of the frequencies from the first satellite frequency band and/or at least some of the frequencies from the second satellite frequency band. In some embodiments the ancillary terrestrial component communicates with radioterminals using a Time Division Duplex (TDD) mode and the space-based component communicates with the same or other radioterminals using a Frequency Division Duplex (FDD) and/or a TDD mode. | 02-25-2010 |
20100120418 | DYNAMIC FREQUENCY ASSIGNMENT IN A MULTI-BEAM SYSTEM - Novel satellite communications systems, methods, and related devices are described. In one set of embodiments, available frequency channels may be dynamically assigned to particular beams of a multi-beam satellite system. The frequency assignment may be based on the amount of frequency allocated to particular beams of the multi-beam satellite system, utilizing a novel frequency selection method employing frequency reuse constraints. There may be a number of distinct frequency channels that are each assigned to one or more different beams. Such a system may be made up of a satellite in communication with terminals (e.g., user terminals or gateways). The satellite may receive and compile bandwidth request data from the terminals, and use this information in frequency assignment. | 05-13-2010 |
20100120419 | ADAPTIVE BEAM FORMING WITH MULTI-USER DETECTION AND INTERFERENCE REDUCTION IN SATELLITE COMMUNICATION SYSTEMS AND METHODS - Satellite communications methods include receiving communications signals including co-channel interference at a space-based component from a plurality of wireless terminals in a satellite footprint over a satellite frequency band and reducing interference in the communication signals by (a) performing co-channel interference reduction on the communications signals to generate a plurality of interference reduced signals and (b) performing multiple access interference cancellation on the interference reduced signals. An interference reducing detector for a satellite communications system includes an interference reducer configured to perform co-channel interference reduction on communications signals to generate a plurality of interference reduced signals, and a detector configured to perform multiple access interference cancellation on the interference reduced signals. Satellite communications systems and satellite gateways including interference reducing detectors are also disclosed. | 05-13-2010 |
20100124922 | SATELLITE TRANSMISSION OBFUSCATION - A network for obfuscating satellite terminal transmission activity may include a satellite, a plurality of distributed satellite terminals transmitting signals to and receiving signals from the satellite, and a computer. The computer may compute how much transmission power spectral density each of the distributed satellite terminals is or would be transmitting based on allocated data rates of each of the distributed satellite terminals. The computer may calculate an aggregate transmission power spectral density which is being used or would be used by all of the distributed satellite terminals. The computer may calculate how much unused transmission power spectral density is available to the network for obfuscation by subtracting from a total network regulatory transmission power spectral density limit the aggregate transmission power spectral density. The computer may determine a random distribution of at least a portion of the unused transmission power spectral density to one or more of the distributed satellite terminals. The transmission power spectral density levels of one or more of the distributed satellite terminals may be adjusted by the computer to distribute the portion of the unused transmission power spectral density according to the random distribution determination. | 05-20-2010 |
20100151853 | METHOD AND APPARATUS FOR LOCATING POSITION OF A MOBILE DEVICE IN AN ASSISTED SATELLITE POSITIONING SYSTEM - Method and apparatus for locating position of a mobile device in an assisted satellite positioning system is described. In one example, satellite measurement data is obtained from a plurality of satellites at a mobile device. Position of the mobile device is computed using the satellite measurement data. The position is sent to a cellular device via a wireless ad hoc network. In one example, the wireless ad hoc network comprises a BLUETOOTH communication link. In one example, the mobile device is configured to receive assistance data from a position server through the wireless ad hoc network. For example, the mobile device may comprise a housing configured to plug into a cigarette lighter connector of an automobile and the cellular device may comprise a cellular telephone without location-determination capabilities (i.e., the cellular telephone does not include an integrated GPS receiver). | 06-17-2010 |
20100159922 | SYSTEMS, METHODS AND COMPUTER PROGRAM PRODUCTS FOR MOBILITY MANAGEMENT IN HYBRID SATELLITE/TERRESTRIAL WIRELESS COMMUNICATIONS SYSTEMS - Apparatus, methods and computer program products that support inter-PLMN coordination in registration and handover operations are provided. Hysteresis is introduced in registration of radioterminals in a hybrid terrestrial/satellite mobile communications environment. Inter-PLMN handover techniques are provided, including techniques for coordination of communication of timing information and traffic channel controls. | 06-24-2010 |
20100184427 | ADAPTIVE BEAM FORMING WITH MULTI-USER DETECTION AND INTERFERENCE REDUCTION IN SATELLITE COMMUNICATION SYSTEMS AND METHODS - Satellite communications methods include receiving communications signals including co-channel interference at a space-based component from a plurality of wireless terminals in a satellite footprint over a satellite frequency band and reducing interference in the communication signals by (a) performing co-channel interference reduction on the communications signals to generate a plurality of interference reduced signals and (b) performing multiple access interference cancellation on the interference reduced signals. An interference reducing detector for a satellite communications system includes an interference reducer configured to perform co-channel interference reduction on communications signals to generate a plurality of interference reduced signals, and a detector configured to perform multiple access interference cancellation on the interference reduced signals. Satellite communications systems and satellite gateways including interference reducing detectors are also disclosed. | 07-22-2010 |
20100203883 | Antenna Docking Station - Docking stations for a wireless device are presented in which a docking station has an antenna that can communicate with the wireless device. The docking station can also have a proximity sensor that can provide a proximity data that indicate a proximity of the wireless device to the docking station. Using the proximity data, the docking station can adjust the power to the antenna such that the amount of power can be dictated based upon the proximity of the wireless device to the docking station. A wireless repeater system is also presented that has a wireless repeater and a docking station with an antenna. | 08-12-2010 |
20100203884 | ADAPTIVE BEAM FORMING WITH MULTI-USER DETECTION AND INTERFERENCE REDUCTION IN SATELLITE COMMUNICATION SYSTEMS AND METHODS - Satellite communications methods include receiving communications signals including co-channel interference at a space-based component from a plurality of wireless terminals in a satellite footprint over a satellite frequency band and reducing interference in the communication signals by (a) performing co-channel interference reduction on the communications signals to generate a plurality of interference reduced signals and (b) performing multiple access interference cancellation on the interference reduced signals. An interference reducing detector for a satellite communications system includes an interference reducer configured to perform co-channel interference reduction on communications signals to generate a plurality of interference reduced signals, and a detector configured to perform multiple access interference cancellation on the interference reduced signals. Satellite communications systems and satellite gateways including interference reducing detectors are also disclosed. | 08-12-2010 |
20100240362 | RADIOTERMINALS AND OPERATING METHODS FOR COMMUNICATING USING SPECTRUM ALLOCATED TO ANOTHER SATELLITE OPERATOR - A method of providing communications can be provided by at least one space-based and/or terrestrial component of a first system/operator transmitting/receiving information using spectrum allocated to a second system/operator at an aggregate interference level at a space-based component of the second system/operator that is less than or substantially equal to a predetermined threshold. Related other methods, systems, and radioterminals are also disclosed. | 09-23-2010 |
20100248714 | METHOD OF TRANSMITTING SIGNAL IN SATELLITE COMMUNICATION SYSTEM WITH TERRESTRIAL COMPONENT - The present invention relates to a method of transmitting a signal in a satellite communication system with a terrestrial component. The present invention transmits a signal using a method of transmitting a space-time code for joint communication between a satellite and a terrestrial component in a satellite system with a terrestrial component. Therefore, using the method of transmitting a space-time code, it is possible to obtain a space-time diversity gain in a satellite communication system with a terrestrial component. Further, it is possible to improve the receiving quality of a satellite signal at an area where the terrestrial component is located and increase the coverage of the terrestrial component. | 09-30-2010 |
20100311417 | METHODS FOR OPTIMIZING THE PERFORMANCE, COST AND CONSTELLATION DESIGN OF SATELLITES FOR FULL AND PARTIAL EARTH COVERAGE - A system and method for highly efficient constellations of satellites which give single, double, . . . k-fold redundant full earth imaging coverage, or k-fold coverage for latitudes greater than any selected latitude is given for remote sensing instruments in short periods of time, i.e., continuous coverage, as a function of the parameters of the satellite and the remote sensing instrument for many different types of orbits. A high data rate satellite communication system and method for use with small, mobile cell phone receiving and transmitting stations is also provided. Satellite instrument performance models, full and partial satellite constellation models, and satellite cost models are disclosed and used to optimize the design of satellite systems with vastly improved performance and lower cost over current major satellite systems. | 12-09-2010 |
20110034166 | INTEGRATED OR AUTONOMOUS SYSTEM AND METHOD OF SATELLITE-TERRESTRIAL FREQUENCY REUSE USING SIGNAL ATTENUATION AND/OR BLOCKAGE, DYNAMIC ASSIGNMENT OF FREQUENCIES AND/OR HYSTERESIS - A signal strength that is associated with a first wireless communications channel is detected. Electromagnetic energy is transmitted over the first wireless communications channel in response to the signal strength being sufficiently weak. A determination is made whether a handoff should be made to a second wireless communications channel having a signal that is weaker than a signal of the first wireless communications channel. Related systems and methods are described. | 02-10-2011 |
20110077002 | SYSTEMS AND METHODS FOR MOBILITY MANAGEMENT IN OVERLAID MOBILE COMMUNICATIONS SYSTEMS - Communications of a mobile station with a satellite mobile communications system and a terrestrial mobile communications system are coordinated. The mobile station is registered with the terrestrial mobile communications system and, responsive to the registration of the mobile station with the terrestrial mobile communications system, the mobile station is concurrently registered with the satellite mobile communications system. The concurrent registration may include implicitly registering the mobile station with the satellite mobile communications system, e.g., by storing information identifying the mobile station may be stored in a location register of the satellite mobile communications system responsive to the registration of the mobile station with the terrestrial mobile communications system, and maintaining synchronization between the two registrations. Authentication tokens may be pre-generated for quick re-registration with a satellite mobile communications system. | 03-31-2011 |
20110217976 | Antenna System - A multi-band low-profile, low-volume two-way mobile panel array antenna system is described. Operation of the antenna may automatically switch between bands based on various user-entered parameters. | 09-08-2011 |
20110237247 | Secure transmission over satellite phone network - A reach back secure communications terminal includes a modem to satellite interconnect board that captures DTMF tones, demodulates encrypted modem information, and converts both into an ASCII string for presentation to a data port of a satellite phone, allowing out-of-band control of a non-secure satellite system (e.g., AT command control of a data port) by a user on a secure side of an encryption device, by including the ability to interpret control signals and control the satellite system appropriately. A false dial tone is presented to the encryption device, and the data stream coming from the encryption device is monitored for the presence of dual-tone, multi-frequency (DTMF) tones representing control signals, the DTMF tones are converted to ASCII characters, which are in turn received as control signals by the satellite phone, allowing control of the functions of the satellite system directly from the secure side of the encryption device. | 09-29-2011 |
20110237248 | Systems and Methods for Communicating with Satellites Via Non-Compliant Antennas - A system and method allow end users the ability to operate using non-compliant antennas. A coordination database may be continually updated with respect to geographic coordinates, time planning, frequency and orbital positions. Further, the system and method may utilize a tool for easily calculating interference resulting from the use of non-compliant antennas. These components, amongst others, spot possible slots in the frequency spectrum for non-compliance operations. A device may be integrated into terrestrial terminals to perform a sound, realistic and up-to-date interference calculation for equipment in a particular environment. The device may determine the level and extent of safety for operating the equipment in the particular environment. | 09-29-2011 |
20110256865 | User Equipment Adjustment of Uplink Satellite Communications - User equipment of a communication system in one aspect obtains data indicative of the position of a satellite, and obtains data indicative of the position of the user equipment. The user equipment computes a delay measure based on the data indicative of the position of the satellite and the data indicative of the position of the user equipment, and adjusts the timing of a communication transmitted from the user equipment to the satellite based on the delay measure. In an illustrative embodiment, the user equipment receives data indicative of position and velocity of the satellite, and adjusts both timing and frequency of the communication based on the position and velocity data. The timing and frequency adjusted communication may then be transmitted to the satellite over a unicast uplink channel. | 10-20-2011 |
20110281581 | Network Apparatus and Method for Performing a Handover in a Network - According to an exemplary embodiment of the invention a network apparatus may be provided, which network apparatus may include a detecting device, a selecting device, a receiving device, a determining device and a sending device. The detecting device may be adapted to detect a condition for a handover. The selecting device may be adapted to select a first group, wherein the first group includes at least one first target apparatus member. The receiving device may be adapted to receive a second group, wherein the second group may include at least one second target apparatus member. The determining device may be adapted to determine a difference group of the first target apparatus members and the second target apparatus members. The selecting device may be adapted to select at least one target apparatus member of the difference group. The sending device may be adapted to send a preparation information to the at least one selected target apparatus member of the difference group. | 11-17-2011 |
20120009920 | SYSTEMS AND METHODS FOR INTER-SYSTEM SHARING OF SATELLITE COMMUNICATIONS FREQUENCIES WITHIN A COMMON FOOTPRINT - Two satellite communications systems can use the same frequency or frequencies in geographically overlapping footprints, without creating undue interference in a given system that is caused by the same frequency signal(s) that is/are used by the other system. In particular, an aggregate Effective Isotropic Radiated Power (EIRP) of the radioterminals and/or ancillary terrestrial components of a second satellite communications system in the common footprint is sufficiently low, and/or the receive antenna gain of a first satellite communications system is sufficiently low compared to the receive antenna gain of the second satellite communications system, so as to increase an aggregate receiver noise that is seen by the first satellite system receivers by an amount that does not substantially change a Quality of Service (QoS) of the first satellite communications system. | 01-12-2012 |
20120122449 | 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 determining a demand (D | 05-17-2012 |
20120190360 | COMMUNICATIONS NETWORK WITH RELAYING OF RADIO SIGNALS BY RELAY TERMINALS - A radiocommunication network includes at least one communication station (GW) adapted to exchange data by radio with radiocommunication terminals (T | 07-26-2012 |
20120196591 | WIRELESS NETWORK ELEMENT AND METHOD FOR ANTENNA ARRAY CONTROL - A wireless network element is operably couplable to an antenna array for communicating with at least one remote wireless communication unit. The antenna array comprises a plurality of radiating elements where at least one first radiating element of the plurality of radiating elements is arranged to create a radiation pattern in a sector of a communication cell. The wireless network element comprises a receiver arranged to receive and process at least one signal from the at least one remote wireless communication unit via the at least one first radiating element. The wireless network element also comprises a beam scanning module for stepping/sweeping the radiation pattern through the sector of the communication cell, such that at least one signal from the at least one remote wireless communication unit is processed to identify signal parameters representative of incoming signal power and angle of arrival of the received at least one signal. | 08-02-2012 |
20120258708 | Systems and Methods for Providing a Content Proxy in a Wireless Network - Systems and methods for providing a content proxy in a wireless network. A set of media is provided to an edge proxy server located at a wireless site using satellite communications and stored by the edge proxy server independent of a local mobile station request for media in the set of media. Mobile stations can access live streams of media selected from the set of media by wireless communications with a wireless node and as mobile station move from one wireless site to another, the live media stream can be provided uninterrupted to the mobile station. | 10-11-2012 |
20120276898 | METHODS FOR OPTIMIZING THE PERFORMANCE, COST AND CONSTELLATION DESIGN OF SATELLITES FOR FULL AND PARTIAL EARTH COVERAGE - A system and method for highly efficient constellations of satellites which give single, double, . . . k-fold redundant full earth imaging coverage, or k-fold coverage for latitudes greater than any selected latitude is given for remote sensing instruments in short periods of time, i.e., continuous coverage, as a function of the parameters of the satellite and the remote sensing instrument for many different types of orbits. A high data rate satellite communication system and method for use with small, mobile cell phone receiving and transmitting stations is also provided. Satellite instrument performance models, full and partial satellite constellation models, and satellite cost models are disclosed and used to optimize the design of satellite systems with vastly improved performance and lower cost over current major satellite systems. | 11-01-2012 |
20120295615 | SYSTEM AND METHOD FOR JOINT PASSIVE INTERCEPTION OF SATELLITE AND CELLULAR COMMUNICATION - Methods and systems for communication interception that apply joint processing to signals and information obtained from a satellite communication network and from a cellular communication network. A processing unit processes intercepted signals from the satellite and cellular networks using shared hardware. The processing unit extracts information related to target users from communication sessions conducted by the target users in the satellite and cellular networks. The processing unit may store this information in a single data structure, and in particular correlate information pertaining to the same target user in the two networks. The processing unit may correlate the different identifiers used by the target user in the different networks, and use this correlation to enhance the tracking of this user. | 11-22-2012 |
20130040639 | SYSTEM TO PROVIDE GSM OVER DISTRIBUTED MOBILE NETWORKS - A system provides GSM service over distributed mobile networks. A Network Area Controller (NAC) allows Global Titles (GT) and Mobile Station Roaming Numbers (MSRN) of the GSM network to be shared within a private GSM network. A processor within the Mobile Switching Center (MSC) of a mobile network transcodes voice data and maps the data to the proper bearer QoS to allow the use of Mobile Satellite Services (MSS) such as Iridium and Inmarsat. | 02-14-2013 |
20130079000 | EFFICIENT USE OF ASSISTANCE DATA SERVICES IN DUAL/MULT-SIM TERMINALS - Method, apparatus, and computer program product example embodiments of the invention are disclosed for providing flexibly in selecting sources for Assisted Global Navigation Satellite Systems (A-GNSS) services. Example embodiments include at least two SIM modules in a wireless communications device to enable accessing at least two different wireless carriers to obtain at least two different sets of A-GNSS capability information. Optimal A-GNSS features are selected from the A-GNSS capability information from the at least two different wireless carriers and combined into a composite set of optimal A-GNSS features. Example embodiments of the invention may include a wireless communications device having at least two SIM modules sharing one or more RF modems. | 03-28-2013 |
20130109376 | METHOD AND APPARATUS FOR BEAM SELECTION FOR A MULTIBEAM SATELLITE COMMUNICATIONS SYSTEM | 05-02-2013 |
20130150027 | Method And System For Femtocell Positioning Using Low Earth Orbit Satellite Signals - Methods and systems for femtocell positioning using low Earth orbit (LEO) satellite signals may comprise receiving an initial position of a wireless communication device (WCD) as entered by as user, service provider, or manufacturer, wherein the WCD comprises a LEO satellite signal receiver path (Rx). The WCD may be operable to provide wireless communication services to other WCDs. LEO signals may be received for determining a position of the WCD, which may be compared to a threshold radius defined by the initial position. The communication services may be enabled when the measured position is within the threshold radius. The WCD may comprise a femtocell device, a WiFi access point, or may provide cellular telephone service to the other WCDs. The position of the WCD may be measured upon powering up of the WCD, on a periodic basis, and/or when one or more motion sensors in the WCD detect motion. | 06-13-2013 |
20130150028 | BICYCLE THEFT MONITORING AND RECOVERY DEVICES - Bicycle theft monitoring and recovery systems include a tracking device with geolocation capabilities that is mountable to or integrated into a bicycle or other asset. Communications between the tracking device and a networked server or a user device permit configuring the tracking device as well as receiving reports of asset disturbances. The server coordinates tracking devices and assets for a plurality of users. In some examples, a user mobile device is configured to display tracker status, disturbance reports, and asset location and initiate alarms in response to disturbance reports from the tracking device. | 06-13-2013 |
20130189975 | System and Method for Multiple Mode Communication - A system and method of communication disclosed which may include establishing a telephone call for a cell phone at a first end of the call to a second end of the call, the cell phone receiving communication service from a cellular phone network; substantially continuously detecting a signal level of the cellular phone network available to the cell phone; and transferring the telephone call from the cellular phone service to a second network having a link back to a core network of said cellular phone network only if the detected signal level of the cellular phone service falls below a specified threshold. | 07-25-2013 |
20130210424 | HIGH CAPACITY HYBRID TERRESTRIAL/SATELLITE CELLULAR RADIO COMMUNICATION SYSTEM - A hybrid cellular radiocommunication system includes base stations defining terrestrial cells covered by satellite umbrella cells. The base stations are distributed so as to be distinguishable by the satellite cell according to a time-invariant distribution function, and the system includes a device for maintaining, permanently and in the same link direction, congruence of the coverage of each satellite cell with respect to coverage of the terrestrial cells associated with the base stations contained in the satellite cell, with coverage of a satellite cell being congruent with a predetermined terrestrial coverage set when the predetermined coverage set is included in the satellite coverage. | 08-15-2013 |
20140018066 | MARITIME WIRELESS COMMUNICATION METHOD AND APPARATUS - Disclosed herein are a maritime communication apparatus and method. The maritime communication apparatus includes a land-based network communication unit, a maritime network communication unit, and a communication control unit. The land-based network communication unit communicates with a land-based communication network. The maritime network communication unit communicates with a maritime communication network. The communication control unit links the communication of the land-based network communication unit with the communication of the maritime network communication unit in accordance with a destination address of data provided by any one of the land-based network communication unit and the maritime network communication unit. | 01-16-2014 |
20140024364 | System to Provide GSM Over Distributed Mobile Networks - A system provides GSM service over distributed mobile networks. A Network Area Controller (NAC) allows Global Titles (GT) and Mobile Station Roaming Numbers (MSRN) of the GSM network to be shared within a private GSM network. A processor within the Mobile Switching Center (MSC) of a mobile network transcodes voice data and maps the data to the proper bearer QoS to allow the use of Mobile Satellite Services (MSS) such as Iridium and Inmarsat. | 01-23-2014 |
20140045492 | SYSTEM AND METHOD FOR ENHANCED PAGING AND QUALITY OF SERVICE ESTABLISHMENT IN MOBILE SATELLITE SYSTEMS - A system and method is provided to enable enhanced paging for 3GPP IMS based Mobile Satellite Communication is presented. The method is achieved by utilizing the network requested secondary PDP context activation (NRSPCA) features of 3GPP release 7. NRSPCA involves interaction between P-CSCF, GGSN, and SGSN that eventually allows SGSN to identify the traffic type of the incoming call without looking at the compressed SIP messages. RAN can do enhanced paging, if necessary; based on the request secondary PDP context activation message, if the Paging Cause is indicating conversational class. In another embodiment, enhanced paging can be achieved by marking the packet with an appropriate DSCP code, which is done by the P-CSCF. SGSN can populate the paging cause with enhanced paging code based on the DSCP code provided or RAN can escalate paging to enhanced paging by examining the DSCP code. | 02-13-2014 |
20140051434 | System and Method for Providing an Improved Terrestrial Subsystem for Use in Mobile Satellite Systems - A system or method is disclosed which employs filters on a satellite whose bandwidth is varied by ground command to restrict interference experienced by a satellite as an auxiliary terrestrial component (ATC) system is increased to a multiplicity of cities and markets. Thus there is provided a novel method and system which optimizes overall MSS and ATC traffic. | 02-20-2014 |
20140087724 | APPARATUS AND METHODS FOR DYNAMIC SPECTRUM ALLOCATION IN SATELLITE COMMUNICATIONS - A communication system including Satellite Communication apparatus providing communication services to at least a first set of communicants, the first set of communicants including a first plurality of communicants, wherein the communication services are provided to each of the communicants in accordance with a spectrum allocation corresponding thereto, thereby to define a first plurality of spectrum allocations apportioning a first predefined spectrum portion among the first set of communicants; and Dynamic Spectrum Allocations apparatus operative to dynamically modify at least one spectrum allocation corresponding to at least one of the first plurality of communicants without exceeding the spectrum portion. | 03-27-2014 |
20140171068 | MANAGING STATES OF LOCATION DETERMINATION - A mobile device can be in multiple states of location determination. In each state, the mobile device can use a distinct subsystem to determine a location. A state machine of the mobile device can manage the states, including determining which state the mobile device is in and whether a transition between the states has occurred. A transition can be triggered by a sensor of the mobile device and confirmed by another sensor of the mobile device. When the state machine detects a transition, the mobile device can switch location determination from one subsystem to another subsystem, and change a map user interface to one that is best suited for the new subsystem. | 06-19-2014 |
20140370887 | SYSTEM AND METHOD FOR DUAL MODE COMMUNICATION - A system and method of communication disclosed which may include establishing a telephone call for a cell phone at a first end of the call to a second end of the call, the cell phone receiving communication service from a cellular phone network; substantially continuously detecting a signal level of the cellular phone network available to the cell phone; and transferring the telephone call from the cellular phone service to a second network having a link back to a core network of said cellular phone network only if the detected signal level of the cellular phone service falls below a specified threshold. | 12-18-2014 |
20150079977 | APPARATUS AND METHOD OF DYNAMICALLY MANAGING RESOURCES FOR INTERFERENCE CONTROL OF SATELLITE AND TERRESTRIAL INTEGRATED COMMUNICATION SYSTEM - An apparatus and method of dynamically managing resources for interference control of a satellite and terrestrial integrated communication system is disclosed, the apparatus including a frequency band determiner to determine a frequency band of a satellite beam and a frequency band of a wireless signal based on information on interference between the satellite beam and the wireless signal to which a frequency band identical to the satellite beam is allocated, and a remote controller to remotely control a space-based station to output a satellite beam at an intensity corresponding to a frequency band of a satellite beam, and an earth-based station to output a wireless signal at an intensity corresponding to a frequency band of a wireless signal. | 03-19-2015 |
20150126183 | Method And System For Femtocell Positioning Using Low Earth Orbit Satellite Signals - Methods and systems for femtocell positioning using low Earth orbit (LEO) satellite signals may comprise receiving LEO RF satellite signals utilizing a LEO satellite signal receiver path when medium Earth orbit (MEO) signals are attenuated below a threshold needed for positioning purposes by the MEO receiver path. A position of said wireless communication device (WCD) may be measured based on the received LEO RF satellite signals. The measured position of the WCD may be compared to a threshold radius defined by a stored initial position. Wireless communication services to the other WCDs may be enabled when the measured position is within the threshold radius. Reentry of the stored initial position may be requested when the measured position is outside of the threshold radius. The WCD may be disabled when the measured position of the WCD falls outside of the threshold radius more than a predetermined number of times. | 05-07-2015 |
20150372749 | WIRELESS SOFTWARE DIALER AND MESSAGING HEAD - Provided is a system and device, and for use with a satellite for communicating between a vehicle and a base station. The system comprises a peripheral device, an access point to link the peripheral device to an onboard satellite communication device, and the onboard satellite communication device. The device is programmable, has a software dialer, and a messaging controller for the onboard satellite communication device. Also provided is a method for communicating between a vehicle and a base station. | 12-24-2015 |
20150381591 | Secure Transmission Over Satellite Phone Network - A reach back secure communications terminal includes a modem to satellite interconnect board that captures DTMF tones, demodulates encrypted modem information, and converts both into an ASCII string for presentation to a data port of a satellite phone, allowing out-of-band control of a non-secure satellite system (e.g., AT command control of a data port) by a user on a secure side of an encryption device, by including the ability to interpret control signals and control the satellite system appropriately. A false dial tone is presented to the encryption device, and the data stream coming from the encryption device is monitored for the presence of dual-tone, multi-frequency (DTMF) tones representing control signals, the DTMF tones are converted to ASCII characters, which are in turn received as control signals by the satellite phone, allowing control of the functions of the satellite system directly from the secure side of the encryption device. | 12-31-2015 |
20160127032 | LOW-RATE DATA TRANSMISSION IN LTE BASED SATELLITE RATIO INTERFACE - Disclosed is a low-rate data transmission method in an LTE based satellite radio interface, which can secure a large number of low-rate data channels which can simultaneously access and increase frequency efficiency while providing compatibility with the existing LTE radio interface through a transmission technique which can secure more link margins in communication between portable terminals (handheld type terminals) without changing a basic LTE transmission frame structure in a satellite system requiring high transmission power. | 05-05-2016 |
20160164595 | MOBILE INTERACTIVE SATELLITE SERVICES - A system for providing mobile interactive satellite services includes a satellite operable to communicate with mobile units, a terrestrial base transceiver station operable to communicate with mobile units, and a ground station in communication with the satellite and the terrestrial base transceiver station to provide mobile interactive satellite services. The mobile interactive satellite services include a multicast component and an interactive component such that the ground station provides both the multicast component and the interactive component using the satellite, with the terrestrial base transceiver station used to provide an ancillary terrestrial component. A device for communicating with a mobile interactive satellite service system includes an antenna, a transceiver coupled to the antenna and operable to communicate with a mobile interactive satellite service system, a user input device, an output device, a processor unit, and a network interface. The processor unit is coupled to the user input device, the output device, and the transceiver such that the processor is operable to output received information from the transceiver using the output device, to receive interactive information from the user input device, and to transmit data based on the received interactive information using the transceiver. The network interface is coupled to the processor such that the processor is operable to side load information. | 06-09-2016 |
20160182143 | Satellite Communication Link | 06-23-2016 |
20160380693 | Reducing Call Setup Delay in Geomobile Satellite Networks - In some embodiments, a disclosed method involves receiving, by a source gateway, a call request from a source user terminal for establishing a call with a destination user terminal. The method further involves determining, by a source client proxy of the source gateway, a capability related to a parameter(s) of the source user terminal and a capability related to a parameter(s) of the destination user terminal. Also, the method involves sending, by the source client proxy, a call capability offer to a destination gateway based on the determined capabilities. Additionally, the method involves determining, by a destination client proxy of the destination gateway, whether the destination user terminal can support the call capability offer. Also, the method involves sending, by the destination client proxy, a call initiation message to the destination user terminal, when the destination client proxy determines that the destination user terminal can support the call capability offer. | 12-29-2016 |
20160381657 | Cell Tower Functionality with Satellite Access to Allow a Cell Device to Roam on a Satellite Network or Call Forward on a Satellite Network - The system and method to allow a cellular enabled device that lacks two-way satellite communication to receive incoming calls over a satellite network where the mobile terminating call is initially addressed to the cellular mobile phone number. In one embodiment, the system and method allows the cellular device to appear as a device roaming on a satellite network or sub-network. In another embodiment, the system places a call forward request to a satellite enabled device, where the call forward request is transparent to the user. | 12-29-2016 |
20170237482 | MULTIBEAM COVERAGE FOR A HIGH ALTITUDE PLATFORM | 08-17-2017 |
20170238216 | CHANNEL QUALITY FEEDBACK IN SATELLITE COMMUNICATION SYSTEMS | 08-17-2017 |