Abstract: An apparatus for determining a set of transmit parameters capable of improving and/or optimizing data throughput to a destination device. The apparatus includes an input circuit that receives a signal containing a plurality of data blocks for use by a plurality of devices. At least one of the data blocks is associated with the apparatus and encoded using a first set of transmit parameters. A transmit parameter processor determines a signal to noise ratio value for the received signal and a block error rate value for the at least one data block and at least one other data block encoded using a different set of transmit parameters. A processor generates a request for encoding subsequent data blocks destined to the apparatus using a second set of transmit parameters. A method and system are also disclosed.

Abstract: Methods and apparatus are disclosed for uplink power control of a terminal in a satellite communication system. Calibration data that includes output backoff values corresponding to input backoff values for each of a first set of calibration frequencies is initially stored in the terminal. A normalized transmit power for the terminal is determined for multiple transmit frequencies based on the calibration data. Upon receiving an assigned frequency for communicating, the terminal selects one of the normalized transmit power previously determined and begins transmitting.

Abstract: A satellite-communications gateway includes a hub and an antenna configured for satellite communications. The antenna is mounted to the hub and supported by the hub. The antenna includes a plurality of panels forming a parabolic dish. The panels are carbon fiber-reinforce polymer. The parabolic dish has a diameter in a range of 9 to 13 meters.

Abstract: Systems and methods for facilitating handover reduction in satellite systems are disclosed. A system may include a processor and a memory storing instructions, which when executed by the processor, may cause the processor to detect a user terminal that is selected for a handover procedure. The handover procedure may facilitate a switch from a source beam to a target beam. Based on input data, the processor may evaluate an ideal time value pertaining to a pre-defined time instance at which a scheduled handover is to be performed. The scheduled handover may correspond to at least one of a scheduled change in operating frequency within same beam or a scheduled feeder link handover due to a change in gateway communicating with the satellite. Based on the evaluation and the input data, the processor may estimate an optimized time value that pertains to an optimized time instance associated with an expected handover reduction.

Abstract: An apparatus and method for hopping across frequencies in a transmission medium. A communication link is established between multiple devices over a communication medium using a default frequency resource. Signaling information is detected for frequency resources available on the communication medium, and values associated with the signaling information are stored within a logging table. The communication link is monitored for errors and a new frequency resource is selected from the logging table to maintain the communication link, if the errors exceed a predetermined threshold.

Abstract: Systems and methods for facilitating handover reduction in satellite systems are disclosed. A system may include a processor and a memory storing instructions, which when executed by the processor, may cause the processor to detect a user terminal that is selected for a handover procedure. The handover procedure may facilitate a switch from a source beam to a target beam. Based on input data, the processor may evaluate an ideal time value pertaining to a pre-defined time instance at which a scheduled handover is to be performed. The scheduled handover may correspond to at least one of a scheduled change in operating frequency within same beam or a scheduled feeder link handover due to a change in gateway communicating with the satellite. Based on the evaluation and the input data, the processor may estimate an optimized time value that pertains to an optimized time instance associated with an expected handover reduction.

Abstract: Systems and methods for differentiated application of an Adaptive Coding and Modulation (ACM) to enhance link performance in satellite communication systems are disclosed. A system may include a processor and a memory storing instructions, which when executed by the processor, cause the processor to dynamically compute bandwidth capacity of a terminal from a plurality of terminals. Based on the computed bandwidth capacity of the terminal, the processor may automatically determine a ModCod to be applied for transmission to or from the terminal to optimize bit error rate (BER) performance. The to processor may determine the ModCod using an ACM technique. For the plurality of terminals, the processor may dynamically determine aggregate bandwidth availability and congestion within the ACM technique to optimize sharing of available bandwidth.

Abstract: A network device for providing configurable reference frequencies in a satellite communication system is disclosed. The network device may be any of a satellite modem, satellite transceiver, or satellite router. The network device may receive information pertaining to a type of an Outdoor Unit (ODU), determine the type of ODU based on the received information, and provide a plurality of configurable reference frequencies based on the type of the Outdoor Unit (ODU) such that the plurality of configurable reference frequencies may be used with different combinations of low noise block converters (LNBs) and block-up converters (BUCs).

Abstract: A satellite-communications gateway includes a pedestal, a hub movably coupled to the pedestal and supported by the pedestal, an antenna configured for satellite communications, first electronics positioned inside the hub, and second electronics communicatively coupled to the first electronics and positioned inside the pedestal. The antenna is mounted to the hub and supported by the pedestal via the hub. The first electronics is arranged to convert a radio-frequency signal from the antenna to an intermediate-frequency signal and transmit the intermediate-frequency signal to the second electronics. The second electronics is arranged to convert the intermediate-frequency signal to a digital signal.

Abstract: Some implementations of the disclosure are directed to a satellite and cellular terminal, comprising: an indoor unit; and an outdoor unit comprising a satellite antenna and an outdoor Radio configured to communicatively couple to the indoor unit, the outdoor Radio comprising: an outdoor cellular antenna configured to communicate over a cellular communications network by transmitting signals generated using at least a cellular modem; and a feed horn configured to communicatively couple to the satellite antenna, wherein the satellite antenna is configured to communicate over a satellite communications network by transmitting signals over an inroute and receiving signals over an outroute.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for traffic flow classification using machine learning. In some implementations, a communication device includes an anomaly detector comprising a machine learning model trained to predict whether data traffic patterns differ from a set of observed traffic patterns present in a set of training data. The communication device includes a traffic classifier comprising a machine learning model trained to predict a quality of service (QoS) class for network connections or data flows. The communication device is configured to evaluate network connections or data flows using the anomaly detector. The communication device may (i) use the traffic classifier to predict QoS classes for traffic that the anomaly detector predicts to be similar to the observed traffic patterns, and (ii) store data traffic that the anomaly detector predicts to be different from the observed traffic patterns.

Abstract: A system comprises a computer having a processor and a memory, the memory storing instructions executable by the processor to identify data to be communicated to a satellite gateway via a satellite, the data including first data and second data, determine to communicate the data to the satellite gateway in a time-division multiplexing (TDM) and time-division multiple access (TDMA) (TDM/TDMA) concurrent transmission mode, and responsive to the determination to communicate the data to the satellite gateway in the TDM/TDMA concurrent transmission mode, transmit the first data to the satellite according to a TDM channel access scheme and transmit the second data to the satellite according to a TDMA channel access scheme that differs from the TDM channel access scheme.

Abstract: The present teachings disclose a multibeam satellite system and methods that can achieve orthogonality between spatially multiplexed signals in a multi-input multi-output (MIMO) configuration when operating in line-of-sight (LOS) uplink and downlink channels on the feeder link side, using essentially a common spot beam. The teachings maximize a MIMO capacity across multiple frequency bands by disclosing an antenna array geometry for disposition on-board a single satellite and for a ground segment.

Abstract: Systems and methods are provided for enabling reliable signaling in the presence of strong phase noise and frequency offset. To this end, a method is provided comprising receiving, at a receiver, a communication signal, including data, from a transmitter via a communication channel, and jointly tracking and jointly correcting phase noise errors and frequency errors in the communication signal with a joint detector using an iterative feedback correction process between an output decoder of the receiver and the joint detector.

Abstract: Various data transmission detection systems are described. A receiver input through which a wireless data transmission signal is received may be present. A plurality of mixers in communication with the receiver input may be present, which may be digitally implemented. A data transmission detector may be present that receives a mixed wireless data transmission signal from each mixer and creates a plurality of scores. A match detection module may be present that receives the scores and identifies a highest score. The signal mapped to the highest score to be selected for further processing.

Abstract: 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.

Abstract: A satellite communication system that combines the benefits of Geosynchronous Equatorial Orbit (GEO) and Non-geostationary (NGSO) satellite systems into a GEO-NGSO hybrid satellite system. The hybrid system allows for various uses, such as, a NGSO-GEO-NGSO handoff, a GEO-NGSO-GEO handoff, and/or a multi-transport operation utilizing both the GEO and NGSO satellites. Based on the path delay differences of the GEO and NGSO satellites, the system may create a data buffer to ensure no data loss.

Abstract: A network monitoring method includes: monitoring, at a network node, one or more network statistics for each of one or more objects exchanged between a client end point and a server end point through a network connection, the network node being located between the client end point and the server end point; and determining one or more QoS metrics for each of the one or more objects based on the network statistics for respective one of the one or more objects.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for determining a set of communication parameters for receiving data transmissions. In some implementations, a method includes receiving a first data transmission sent according to a first communication parameter scheme that includes at least one of a first modulation or a first coding. A second data transmission is received. A second communication parameter scheme of the second transmission is determined.

Abstract: Systems and methods are provided to achieve dynamic bandwidth allocation among terminal groups (TGs) with proportional fairness in terms of both throughput and spectrum usage across a network. Quality of service (QoS) metrics for such TGs can be satisfied in terms of maximum throughput and spectrum utilization, while also satisfying QoS metrics such as latency, throughput, and prioritized traffic services for individual terminals within the TGs. A centralized bandwidth manager can be utilized to manage such dynamic bandwidth allocation across multiple Code Rate Organizers (CROs), including environments in which the multiple CROs manage communications across multiple IPGWs for multiple terminal groups. Because, in such environments, a given conventional CRO cannot effectively manage allocations across the entire network, the centralized bandwidth management functionality can be introduced to assess the flows for multiple TGs across multiple CROs and to make bandwidth allocations accordingly.