Patents Assigned to Hughes Network Systems, LLC
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Patent number: 10805138Abstract: Systems and methods are disclosed and include a method that includes adding a training symbol prefix to an OFDM symbol frame, the prefix including a plurality of training symbols, each including N sub-symbol fields. N/2 of the sub-symbol fields are zero valued, and N/2 of the sub-symbol fields carry corresponding symbols of a N/2 sub-symbol pseudo random training symbol. A first half of the pseudo random training symbol is symmetrical to a second half of the pseudo random training symbol. An OFDM N-sub-carrier transmission carries the prefix as signal power on a first N/2 of its N sub-carriers and suppresses signal power on a second N/2 of the sub-carriers. The first N/2 and second N/2 sub-carriers alternate in the frequency domain.Type: GrantFiled: March 3, 2020Date of Patent: October 13, 2020Assignee: Hughes Network Systems, LLCInventors: Donglei Fan, Bassel Beidas
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Publication number: 20200322409Abstract: A system to provide second generation (2G) voice services over internet protocol, the system including: a voice gateway (VGW) including a 2G stack to communicate control plane information and user plane information with a 2G user terminal (UT) via a circuit-switched network without modifications to the 2G-UT, an Iu-CS IP stack, and a relay to map the control plane information between the 2G stack and the Iu-CS IP stack, and vice-versa; a mobile switching center (MSC), connected to the VGW via the Iu-CS IP stack, to manage and establish the voice services between the 2G-UT and a public switched telephone network (PSTN) based on the mapped control plane information; and a media gateway (MGW) connected to the VGW via the Iu-CS IP stack, where the MGW communicates the user plane information between the 2G-UT and the PSTN after the MSC 2-G UT vocoder, e.g. AMBE, has established voice services.Type: ApplicationFiled: November 25, 2019Publication date: October 8, 2020Applicant: Hughes Network Systems, LLCInventors: Channasandra RAVISHANKAR, Gaguk ZAKARIA
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Publication number: 20200322056Abstract: Techniques for data transmission include a geostationary earth orbiting satellite that includes a first optical communication system configured to receive forward-direction user data via a forward optical link between the satellite and a stratospheric high-altitude communication device, and a first radio frequency (RF) communication system configured to transmit, via a plurality of RF spot beams, the forward-direction user data. The stratospheric high-altitude communication device includes a second RF communication system configured to receive the forward-direction user data via a plurality of concurrent forward RF feeder links, and a second optical communication system configured to transmit to the satellite, via the forward optical link, the forward-direction user data received via the plurality of forward RF feeder links.Type: ApplicationFiled: June 23, 2020Publication date: October 8, 2020Applicant: Hughes Network Systems, LLCInventors: Stanley Edward Kay, Neal David Becker, Lin-Nan Lee
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Patent number: 10791658Abstract: A system includes a shield for a low noise amplifier. The shield includes a top and one or more walls extending from the top defining a cavity. The shield further comprises at least one conducting member extending outwardly from the top and within the cavity. The shield may enclose an amplifier circuit and improve its signal-to-noise ratio.Type: GrantFiled: August 31, 2018Date of Patent: September 29, 2020Assignee: Hughes Network Systems, LLCInventors: Yu Yung, Rajesh Joshi
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Patent number: 10791162Abstract: Application layer throughput (ALT) shaping is provided for a streaming media session is provided. A request for a content segment is received. The receipt time of the request is recorded and the request is forwarded to a content server. A response message is received from the server. The receipt time of the response and a segment size is determined. An ALT for the current segment is determined based on the receipt times of the request and response messages and the segment size. The ALT rate is compared to a target ALT rate required for a desired session PBR. When the ALT rate is higher than the target ALT rate, the content response is held for a time period determined to lower the current ALT rate to the target ALT rate, and then released to the client device. Otherwise, the content response is promptly provided to the client device.Type: GrantFiled: December 31, 2015Date of Patent: September 29, 2020Assignee: Hughes Network Systems, LLCInventors: Chi-Jiun Su, Kaustubh Jain, Se Gi Hong
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Patent number: 10763993Abstract: Methods and apparatus for increasing spectral efficiency in non-orthogonal multiple access (NOMA) communication, that implement receiving a signal stream from a user, splitting the signal stream into a plurality of sub-streams, applying a forward error coding (FEC) to each one of the sub-streams, and outputting a corresponding plurality of FEC encoded sub-streams. This can include modulating a corresponding carrier with each of the FEC encoded sub-streams, and combining and transmitting the corresponding plurality of modulated carrier signals. The modulated carrier signals can each carry a respective one of the FEC encoded sub-streams.Type: GrantFiled: June 18, 2018Date of Patent: September 1, 2020Assignee: Hughes Network Systems, LLCInventors: Mustafa Eroz, Lin-Nan Lee
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Patent number: 10763954Abstract: Various arrangements are presented for optimizing data transmission between a satellite and a user equipment. A satellite gateway system may receive a message from the user equipment indicative of a current location of the user equipment. Data may be retrieved from the Internet to be transmitted to the user equipment via the satellite. The satellite gateway system may transmit a downlink message to the satellite that comprises the retrieved data and beam steering data. The beam steering data may instruct the satellite to target a downlink spot beam on the current location of the user equipment based on the message received from the user equipment. The retrieved data may be transmitted to the user equipment via the targeted downlink spot beam.Type: GrantFiled: July 23, 2018Date of Patent: September 1, 2020Assignee: Hughes Network Systems, LLCInventor: T. Paul Gaske
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Publication number: 20200274524Abstract: Systems and methods are provided for channelizing. A first stage can provide a WOLA filter bank that can apply a single multiplier resource to perform window weighting for multiple WOLA filter banks. The first stage can remove mixer-based post FFT adjustment and provide equal functionality with a particular modification of tuning mixers at inputs of second stage FIR paths. The first stage can include a variable decimation, using a particular implementation of variable sample block size.Type: ApplicationFiled: February 24, 2019Publication date: August 27, 2020Applicant: Hughes Network Systems, LLCInventor: Hanhui Zhang
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Patent number: 10742312Abstract: A system includes a terminal. The terminal includes a terrestrial communication interface, a satellite communication interface and a computer. The terrestrial and satellite communication interfaces are configured to communicate traffic data. The computer is communicatively linked to the terrestrial and satellite communication interfaces. The computer executes instructions comprising, to determine that the traffic data, communicated via the terrestrial communication interface, exceeds a threshold, and based on the determination, to route at least a portion of traffic data via the satellite communication interface in accordance with a predetermined traffic data load-balancing scheme.Type: GrantFiled: February 19, 2019Date of Patent: August 11, 2020Assignee: Hughes Network Systems, LLCInventors: Satyajit Roy, Channasandra Ravishankar
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Patent number: 10740656Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for training and using machine learning clustering models to determine conditions a satellite communication system. In some implementations, feature vectors for a time period are obtained. Each feature vector includes feature values that represent properties of a satellite communication system at a respective time during the time period. Each feature vector is provided as input to a machine learning model that assigns the feature vector to a based on the properties of the satellite communication system represented by the feature vector. Each cluster corresponds to a respective potential operating condition of the satellite communication system.Type: GrantFiled: September 19, 2018Date of Patent: August 11, 2020Assignee: Hughes Network Systems, LLCInventors: Amit Arora, Archana Gharpuray, John Kenyon
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Patent number: 10739464Abstract: A satellite modem, a GPS device, and a method are provided. The satellite modem requests current location information from a GPS device and waits no more than a preconfigured amount of time to receive the current location information. When the satellite modem receives the current location information, the satellite modem determines whether the current location information indicates a location in which the satellite modem is authorized to operate. When the satellite modem determines that the current location information indicates a location in which the satellite modem is not authorized to operate, the satellite modem performs at least one action from a group of actions including preventing the satellite modem from operating normally, permitting the satellite modem to operate with a reduced functionality, and transmitting a message to a network management center indicating that the satellite modem is not located at an authorized location.Type: GrantFiled: July 17, 2015Date of Patent: August 11, 2020Assignee: Hughes Network Systems, LLCInventors: Emanuel Girard Harrington, Dillon James Nichols, Yong Kang Yuan
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Patent number: 10735087Abstract: A computer comprises a processor programmed to identify a plurality of sets of channels. Each set of channels includes first, second and third channels. The first and second channels in each set include uplinks respectively in first and second neighbor beams and have a first bandwidth overlap. The first and third channels in each set share a target and a third downlink included in the third channel has a second bandwidth overlap with a first downlink included in the first channel. the second bandwidth overlap includes a bandwidth corresponding to at least a portion the first bandwidth overlap, such that a signal spectrum in the first bandwidth overlap is included in the second bandwidth overlap. The computer is further programmed to optimize a bandwidth reduction across the plurality of sets of channels.Type: GrantFiled: November 21, 2017Date of Patent: August 4, 2020Assignee: Hughes Network Systems, LLCInventors: Murali Regunathan, David A. Roos
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Patent number: 10735324Abstract: A method for controlling congestion of traffic, by one of one or more User Terminals (UTs), traversing an intermediate node, the method comprising: associating one or more traffic flows of a priority to one of the one or more UTs; detecting a traffic congestion for the priority; performing Random Early Detection (RED) congestion control for the priority to relieve the traffic congestion; selecting, for the priority, a User Terminal (UT) with a perceived delay greater than a high threshold; and controlling, by priority, the traffic flows associated with the selected UT.Type: GrantFiled: November 7, 2017Date of Patent: August 4, 2020Assignee: Hughes Network Systems, LLCInventors: Rob Torres, Jun Xu, Vivek Gupta
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Patent number: 10727949Abstract: Techniques for data transmission including receiving, at a geostationary earth orbiting satellite, forward-direction user data via a forward optical link; transmitting, by the geostationary earth orbiting satellite via multiple radio frequency (RF) spot beams, the forward-direction user data received via the forward optical link; receiving, at a stratospheric high-altitude communication device, forward-direction user data via multiple concurrent forward RF feeder links; transmitting, by the stratospheric high-altitude communication device via the forward optical link, the forward-direction user data received via the forward RF feeder links; transmitting, by each of multiple ground-based feeder RF terminals at a same RF feeder site, a respective one of the forward RF feeder links. At least 95% of forward feeder data throughput for all of the forward RF service link transmissions by the satellite is carried via the forward optical link and the forward RF feeder links.Type: GrantFiled: December 31, 2018Date of Patent: July 28, 2020Assignee: Hughes Network Systems, LLC.Inventors: Stanley Edward Kay, Neal David Becker, Lin-Nan Lee
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Publication number: 20200235778Abstract: Techniques including controlling coupling and uncoupling of RF ports included in an RF switch matrix including first-side RF ports and second-side RF ports, where each of the first-side RF ports is configured to be selectively coupled to at least one of two or more of the second-side RF ports, identifying one or more of the second-side RF ports as active ports including an active port, causing the RF switch matrix to couple the active port to a signal port included in the first-side RF ports, obtaining at least one of a bit error rate and a signal to noise ratio for a demodulation of an RF stream received via the active port, and causing, in response to at least one of the bit error rate or the signal to noise ratio, the RF switch matrix to couple the signal port to a spare port included in the second-side RF ports.Type: ApplicationFiled: April 7, 2020Publication date: July 23, 2020Applicant: Hughes Network Systems, LLCInventor: Joseph Merchlinsky
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Patent number: 10715618Abstract: A network node includes a processor programmed to parse at least a portion of an input block having a plurality of segments, determine whether at least one of the plurality of segments matches a segment stored in a history buffer, and predict a compressibility of the input block based at least in part on whether at least one of the plurality of segments matches a segment stored in the history buffer.Type: GrantFiled: December 12, 2016Date of Patent: July 14, 2020Assignee: Hughes Network Systems, LLCInventor: Uday R. Bhaskar
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Patent number: 10708001Abstract: A packet is received from a first link, and includes identification of a sender and a destination. An acknowledgement of receiving the packet is transmitted toward the sender, and the packet is forwarded, over a second link, toward the destination. A copy of the packet is stored in a queue. Upon detecting that the destination failed to receive the packet forwarded over the second link, the copy of the packet is retrieved from the queue and re-transmitted over the second link to the destination.Type: GrantFiled: June 15, 2017Date of Patent: July 7, 2020Assignee: Hughes Network Systems, LLCInventor: Matthew Mario Butehorn
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Publication number: 20200213152Abstract: Data communications methods and systems for data packets transmitted via tunnel sessions. Satellite data communication system providing data communication services between two or more network node devices via a satellite or other data communication system are typically associated with round trip times that can cause delay in the exchange of data. Many conventional protocols, such as TCP, are not well designed for operating across links with such long delays. To address this and provide a more acceptable end-user experience, the system can include a common acceleration and optimization processor configured to provide various network acceleration and/or optimization functions and a tunnel processor configured to provide tunnel protocol-specific processing for multi-protocol encapsulated traffic.Type: ApplicationFiled: December 31, 2018Publication date: July 2, 2020Applicant: Hughes Network Systems, LLCInventors: George Joseph Choquette, Satyajit Roy
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Publication number: 20200213211Abstract: Systems and methods are disclosed, and one includes a computer-implemented method for predicting quality of experience (QoE) for application downloading a webpage from a server stack, including determining a stat data corresponding to a traffic through a network node, generating a feature vector using the stat data, estimating a download performance metric for the application in a downloading of the webpage, using feature vector data, and estimating a QoE value, using the estimated performance metric.Type: ApplicationFiled: January 22, 2019Publication date: July 2, 2020Applicant: Hughes Network Systems, LLCInventors: Kaustubh Jain, Ramya Anusha Durvasula, Chi-Jiun Su
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Publication number: 20200204425Abstract: Systems and methods are disclosed and include a method that includes adding a training symbol prefix to an OFDM symbol frame, the prefix including a plurality of training symbols, each including N sub-symbol fields. N/2 of the sub-symbol fields are zero valued, and N/2 of the sub-symbol fields carry corresponding symbols of a N/2 sub-symbol pseudo random training symbol. A first half of the pseudo random training symbol is symmetrical to a second half of the pseudo random training symbol. An OFDM N-sub-carrier transmission carries the prefix as signal power on a first N/2 of its N sub-carriers and suppresses signal power on a second N/2 of the sub-carriers. The first N/2 and second N/2 sub-carriers alternate in the frequency domain.Type: ApplicationFiled: March 3, 2020Publication date: June 25, 2020Applicant: Hughes Network Systems, LLCInventors: Donglei Fan, Bassel Beidas