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ViaSat, Inc. Patents
Assignee:
ViaSat, Inc.
Address:
Carlsbad, CA
No. of patents:
200
Patents:


1 2 3 4










Patent Number Title Of Patent Date Issued
8587492 Dual-polarized multi-band, full duplex, interleaved waveguide antenna aperture November 19, 2013
The subject of this disclosure may relate generally to systems, devices, and methods using interleaved waveguide elements. Specifically, systems, devices, and methods using a dual-polarized broadband, multi-frequency interleaved waveguide antenna aperture are presented. In one exemplary
8578307 Control/monitor automation for ASICs and programmable logic November 5, 2013
Systems and methods for automated control/monitoring code development for ASICs and PLDs are provided. Control/monitor structures associated with a module may be inputted into a standard specification file. One or more default configurations for each control/monitor structure may also be
8576859 ACM packet fetch and clustering November 5, 2013
Systems, methods, devices, and processors are described for packet clustering and frame formation in ACM systems. A stream of packets may be received at a gateway. During each cycle, a group of packets from the stream may be fetched according to QoS parameters. The group of packets m
8576858 Multiple transmission paths for hierarchical layers November 5, 2013
A method for hierarchical communication of a set of source data includes: receiving source data representing content to be communicated to a data terminal; pre-coding at least some of the source data using pre-coding schemes to generate sets of representation data; associating the sets o
8576118 Satellite performance monitoring November 5, 2013
Techniques for monitoring transmission performance of a satellite communications systems are provided, including techniques for measuring the primary contributors to the end-to-end SNR, including the uplink SNR, the downlink SNR, and the C/I for each link in the network. These indivi
8566668 Edge memory architecture for LDPC decoder October 22, 2013
Systems, devices, and methods are disclosed for a novel edge memory architecture. An architecture is described wherein the extrinsic information typically stored inside the edge memory is reformatted. Instead of storing the extrinsic information for every edge, the novel edge memory
8301119 Method and apparatus for validating integrity of a mobile communication device October 30, 2012
A method for validating integrity of a mobile communication device includes installing an integrity verification application on the mobile communication device. The method also includes establishing a first pass indicator and a second pass indicator including receiving a first instan
8300571 Start of frame correlation for physical layer header synchronization October 30, 2012
Systems, devices, processors, and methods are described which may be used for the reception of a wireless broadband signal at a user terminal from a gateway via a satellite. A wireless signal may include a series of physical layer frames, each frame including a physical layer header and
8289209 Active butler and blass matrices October 16, 2012
In an exemplary embodiment, a monolithic active solution is configured to generate the fixed spatial beams of a Butler matrix operation or a Blass matrix operation. The exemplary Butler matrix comprises active RF hybrids and vector generators, and is designed for broadband performance in
8289083 Active power splitter October 16, 2012
A circuit topology in accordance with a system, method and device for an active power splitter with an input and at least two outputs which allows the use of negative feedback and thus improving stability and linearity without substantially increasing the noise figure of the system is
8285202 Capacity maximization for a unicast spot beam satellite system October 9, 2012
Methods, systems, and apparatuses are presented for improved satellite communications. The satellite system may comprises at least one gateway, a satellite in orbit configured to communicate with the at least one gateway and provide a plurality of spot beams, and a plurality of subsc
8279748 Core-based satellite network architecture October 2, 2012
Systems and methods for implementing a satellite network, are described. The system includes satellite gateways in communication with subscribers over a satellite communication network. The satellite gateways send network communications to the subscribers and receive network communic
8279009 Distributed doherty amplifiers October 2, 2012
Doherty and distributed amplifier (DA) designs are combined to achieve, wideband amplifiers with high efficiency dynamic range. A modified Doherty amplifier includes a wideband phase shifter providing first and second outputs, a main amplifier coupled to the first output, an auxiliar
8274981 Acceleration through a network tunnel September 25, 2012
Methods and systems for implementing acceleration through a packet encapsulation protocol tunnel, are described. The method includes establishing a packet encapsulation protocol tunnel between a first network endpoint and a second network endpoint, sending packets with a packet encap
8270963 Cross domain notification September 18, 2012
A commercial off-the-shelf smartphone is adapted, through software modifications only, to provide multiple operating domains or domains that provide differing levels of security and reliability. Each operating domain is isolated from the others. Detection of unauthorized modification
8265646 Dynamic frequency assignment in a multi-beam system September 11, 2012
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
8260935 Error control terminal discovery and updating September 4, 2012
Systems, methods, and devices for novel error detection and retransmission processes are described. These processes may be implemented on intermediate communication links between two end terminals, wherein the intermediate links are via satellite. Error control mechanisms to detect a
8259640 Broadband demodulator for modified downstream waveform September 4, 2012
Systems, devices, processors, and methods are described for the transmission and reception of broadband signals between a gateway and subscriber terminals via satellite. In one set of embodiments, a wireless signal is generated and transmitted including a series of frames including a
8259604 Return link power control September 4, 2012
Satellite communication methods and systems are disclosed. Various embodiments employ dummy bursts to monitor the communication channel between a user terminal and a hub. In some embodiments, dynamic link adaptation can also be employed to optimize channel performance. In some embodi
8254851 Integrated orthomode transducer August 28, 2012
A method and system for an integrated transceiver is presented. The integrated transceiver includes a transceiver housing, where a waveguide is formed inside the transceiver housing using a housing base and a sub-floor component. Neither the housing base nor the sub-floor component a
8254832 Frequency re-use for service and gateway beams August 28, 2012
A method is presented for communicating data in a multibeam satellite system utilizing frequency re-use. The method comprises establishing uplink service beams and downlink service beams between a satellite and a plurality of subscriber terminals. A plurality of the uplink service be
8254303 Efficient control signaling over shared communication channels with wide dynamic range August 28, 2012
Embodiments provide methods, apparatuses, and systems for efficient control signaling over shared communication channels with wide dynamic range. Some embodiments includes a gateway configured to encode and to transmit multiple physical layer headers, including a first physical layer
8245287 Server message block (SMB) security signatures seamless session switch August 14, 2012
The present invention relates to systems, apparatus, and methods of securely transmitting data between a client and a server. The method includes receiving an initial security message from the client. The security message is to establish security between the server and the client. Fu
8243859 Joint frequency and unique word detection August 14, 2012
Systems, devices, processors, and methods are described for joint detection of frequency and unique word (UW) location(s) for burst transmissions. Embodiments receive a wireless signal. Frequency detection is performed, resulting in multiple possible frequency correlation peaks. A su
8243651 Aggregate rate modem August 14, 2012
Systems, devices, processors, and methods are described for the transmission and reception of broadband signals between a gateway and subscriber terminals via satellite. In one set of embodiments, a wireless signal is generated and transmitted including a series of frames including a
8238284 Cyclical obstruction communication system August 7, 2012
Techniques for enabling broadband data rates at mobile terminals in a beyond-line-of-sight communication system are disclosed. Forward link time-diversity transmission methods and a time-diversity transmitter based upon blockage characteristics are provided. The transmitter optionall
8233840 Ephemeris-based synchronization for mesh satellite communications July 31, 2012
Methods, systems, and devices are described for synchronization in mesh satellite communications. The arrival time of the gateway signal may be used to set a start of receive frame time for a terminal. A received control signal from the gateway may then be used to set a start of tran
8230464 DOCSIS MAC chip adapted July 24, 2012
Disclosed in one embodiment is the use of a terrestrial media access control (MAC) chip or circuit in a satellite modem. The satellite modem comprises a satellite receiver, a satellite transmitter, an adaptor, and a terrestrial MAC chip. The adapter translates between the satellite p
8228232 Active phased array architecture July 24, 2012
In an exemplary embodiment, a phased array solid-state architecture has dual-polarized feeds and is manufactured, for example, on highly flexible silicon germanium (SiGe). The implementation of dual-polarized feeds facilitates the operation of phased arrays where the polarization can be
8218599 Method and apparatus for multiple access over a communication channel July 10, 2012
A communication technique based on direct sequence spread spectrum signaling employs, for all users sharing an access channel, a single spreading code that has a duration sufficiently longer than the symbol length that the likelihood of confusion between users is minimized if not eli
8218476 Flexible capacity satellite communications system with dynamic distribution and coverage areas July 10, 2012
Systems and methods for supporting more flexible coverage areas and spatial capacity assignments using satellite communications systems are disclosed. Antenna elements are arranged in one or more phased arrays. The phased arrays may be used to receive uplink communications, transmit
8218473 Web-bulk transfer preallocation of upstream resources in a satellite communication system July 10, 2012
In a data over satellite system, preallocation of upstream channel resources is provided by a scheduler at the gateway satellite modem termination system (SMTS) in response from the user terminal, wherein the user terminal detects web browser and/or bulk transfers involving large amo
8213929 Non-interfering utilization of non-geostationary satellite frequency band for geostationary sate July 3, 2012
A method, satellite and system utilizes non-geostationary satellite orbit (NGSO) frequency spectrum in geostationary satellite orbit (GSO) satellite communication in a non-interfering manner. A ground station transmits signals to a GSO satellite using a GSO frequency band and an exte
8212631 Multi-level power amplification system July 3, 2012
In general, in accordance with an exemplary aspect of the present invention, an electrical system configured to use power combining of microwave signals, such as those from monolithic microwave integrated circuits or MMICs is provided. In one exemplary embodiment, the system of the p
8208864 Adaptive data rate control for narrowcast networks June 26, 2012
A system to provide narrowcast communications uses adaptive data rate control to individual subscribers such that the effects of precipitation or other link conditions, which are not common to all subscribers, is mitigated. The invention takes advantage of the fact that the narrowcast
8208422 Intra-domain load balancing June 26, 2012
A satellite system for broadband communication utilizing load balancing of satellite modems between physical forward sub-channels. The bandwidth requirements of the various satellite modems allocated to a domain are analyzed. Satellite modems, which can be moved between various physical
8208421 Downstream waveform modification June 26, 2012
Systems, devices, processors, and methods are described for the transmission and reception of broadband signals between a gateway and subscriber terminals via satellite. In one set of embodiments, a wireless signal is generated and transmitted including a series of frames including a
8204480 Method and apparatus for secured access June 19, 2012
A commercial off-the-shelf smartphone is adapted, through software modifications only, to provide multiple operating domains or domains that provide differing levels of security and reliability. Each operating domain is isolated from the others. Detection of unauthorized modification
8195090 Virtual gateway redundancy June 5, 2012
A method and system are presented for providing satellite communications coverage for a geographical area involving operating a plurality of gateways including a first gateway and a second gateway, wherein the first gateway is configured to utilize at least one first spot beam associ
8190877 Trusted cryptographic processor May 29, 2012
A cryptographic processor for redundantly-processing cryptographic operations is disclosed. The cryptographic processor includes a number of input ports, a first and second cryptographic engines, comparison logic and a plurality of output ports. The number of input ports is configured
8189504 Physical layer header structure for decoding and synchronization May 29, 2012
Systems, devices, processors, and methods are described which may be used for the reception of a wireless broadband signal at a user terminal from a gateway via a satellite. A wireless signal may include a series of physical layer frames, each frame including a physical layer header and
8189501 Multiple MAC domains May 29, 2012
A satellite system for broadband communication with a plurality of remote locations is described. The system includes a satellite and a plurality of service spot beams from the satellite. A plurality of forward channels are transported on carriers in the service spot beams. A plurality o
8184756 Symbol timing acquisition using early-late interpolation May 22, 2012
Symbol timing acquisition is described for a wireless broadband signal received at a user terminal from a gateway via a satellite. In-phase and quadrature channels of the wireless signal may each be sampled at a rate of one sample per symbol. The samples may be interpolated to generate a
8183929 Multi-chip doherty amplifier with integrated power detection May 22, 2012
In accordance with an exemplary embodiment of the present invention, a Doherty amplifier is provided for applications in radio frequency, microwave, and other electronic systems. An exemplary Doherty amplifier comprises a first MMIC having a first power detector, and a second MMIC ha
8176141 SMB request prefetching May 8, 2012
Systems and methods are described for accelerating a user experience involving transactions with a remote file server by identifying and prefetching simple message block (SMB) requests. Embodiments exploit applications' usage of certain SMB request offset value patterns to reliably p
8175237 Audio interface May 8, 2012
An audio interface includes interface circuitry configured to translate audio signals received from a military handset to audio signals compatible with a plain old telephone system (POTS) network. The interface circuitry presents a 6-pin (or 5-pin) audio port configured to couple the
8171135 Accumulator for prefetch abort May 1, 2012
The present invention relates to systems, apparatus, and methods of determining whether to abort a prefetch operation. Embodiments include accumulator functionality for accumulating object data prior to making an abort determination. Certain embodiments compress the accumulated data to
8170158 Digital cross-polar interference cancellation May 1, 2012
Cross-polar interference cancellation in a dual-polarization system is described. A terminal in a satellite communication system may receive a first communication signal in a first polarization and a second communication signal in a second polarization substantially orthogonal to the
8169264 Distributed Doherty amplifiers May 1, 2012
Doherty and distributed amplifier (DA) designs are combined to achieve, wideband amplifiers with high efficiency dynamic range. A modified Doherty amplifier includes a wideband phase shifter providing first and second outputs, a main amplifier coupled to the first output, an auxiliar
8166289 Trusted boot April 24, 2012
In one embodiment, a method for trusted booting of a cryptographic processor system is disclosed. Default image(s) is loaded into a field-programmable logic chip or circuit (FPLC). The default image(s) cannot perform cryptographic processing, but can perform a first algorithm that is
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