Abstract: An apparatus, method, and non-transitory computer-readable medium comprising program code which when executed by an apparatus causes the apparatus to effect the method, for pre-fetching web content. Preferably, a proxy server performs the pre-fetching. Techniques such, for example, as executing Javascript in pre-fetched pages, modifying pre-fetched pages to address URL generation involving random numbers or dates, using cookie information or browser specifics when performing pre-fetching of pages, and injecting Javascript to measure response time may be performed, by way of example.

Abstract: A Very Small Aperture Terminal (VSAT) and cellular system to provide backhaul satellite communications for a cellular base station are disclosed. The VSAT including an Evolved Packet Core (EPC) Core Network (CN) device; and a satellite modem connected to the EPC CN device and to communicate over a satellite link, wherein the EPC CN device manages communication of user traffic from the cellular base station to the satellite modem.

Abstract: A system for scheduling prioritized traffic in a scrambled and coded multiple access (SCMA) system multiple terminals and a gateway. Each terminal is configured to receive packets from user devices and place the packets on various input queues. The packets are en-queued onto a plurality of output queues based on priority or service class. The terminal is further configured to detect one or more available SCMA slots within a frame of a communication system, and de-queue packets from the highest priority output queue onto the frame via one or more SCMA bursts. The terminal includes transceiver for transmitting/receiving frames of the communication system to/from the gateway. The terminals autonomously transmit SCMA bursts relative to each other.

Abstract: A deinterleaver device, a method for deinterleaving, an interleaver device, and a method for interleaving are provided. The method for deinterleaving includes: providing a memory and a stream count for a frame; virtually dividing the memory into equal sections, wherein a section count equals the stream count; calculating a write address for a sample of the samples based on a location of the sample in the frame and a correspondence of the location to one of the sections; receiving the sample; and writing the received sample to the write address, wherein the calculating and the write address corresponds to a correct deinterleaving location in one of the sections for the sample.

Abstract: A method and system for providing high throughput communications via a Radio Frequency (RF) satellite are disclosed. The method includes providing a plurality of information bit streams intended for a plurality of downlinks; modulating an uplink stream including the plurality of information bit streams with an uplink modulation scheme to generate an uplink signal; transmitting the uplink signal to the satellite; and partitioning, at the satellite, the uplink signal into a plurality of downlink signals, each one intended for one of the plurality of downlinks. In the method, the uplink stream includes the plurality of information bit streams.

Abstract: A system and method for timing synchronization of satellite switching instants with gateway switching instants is described.

Abstract: Various arrangements for establishing a bidirectional satellite communication session are presented. Initialization data may be accessed to tune an antenna to a geosynchronous satellite, wherein the initialization data is stored locally by the access node. The initialization data may be used to point and tune the antenna to the geosynchronous satellite. Ephemeris data may be received from the geosynchronous satellite. The ephemeris data may be indicative of orbital locations of satellites that are part of a non-geosynchronous satellite constellation. The ephemeris data may be used to point and tune the antenna to a satellite of the non-geosynchronous satellite constellation. The bidirectional satellite communication session may then be established with the satellite of the non-geosynchronous satellite constellation.

Abstract: A phase shifter having both digital and analog shifting components is disclosed. The digital-analog phase shifter includes an input/output port configured, in part, for receiving an input radio frequency (RF) signal from an external source and outputting a phase shifted RF signal. A digital shifter performs coarse phase shifts of the input RF signal, while an analog shifter variably shift the phase of the input RF signal relative to the coarse phase shift. This produces a phase shifted RF signal having a total phase range that is output is continuously variable from 0° to 360°.

Abstract: A method and system for installing a terrestrial antenna for a satellite communication network. In the system and method, a remote unit is provided to an installation location for the terrestrial antenna. The remote unit is configured to communicate with a satellite of the satellite communication network and includes a memory in which is stored antenna information pertaining to positioning of the terrestrial antenna with respect to a virtual beam generated by the satellite. The information is accessible by a code. Thus, the antenna information is access from the memory at the installation location using the code, and the terrestrial antenna in relation to a virtual beam generated by the satellite based on the antenna information accessed from the memory at the installation location.

Abstract: A shared bandwidth network system to communicate network traffic between terminals and an external network is disclosed. The system includes: a point of presence (POP) for the external network; Radio Frequency Gateways (RFGWs) wherein each RFGW of the RFGWs provides one or more Radio Frequency (RF) paths, and each of the RF paths links a respective RFGW of the RFGWs with one or more terminals of the terminals; an RF path state manager to manage a RF path state for each of the RF paths; a Satellite Network Core (SNC); a Software Defined Network (SDN) controller to maintain a topology based on the RF path states, wherein the topology includes the POP, the RFGWs and the SNC; and a network layer to route network traffic between the POP, the RFGWs and the SNC based on the topology.

Abstract: A system and method for interfacing a User Equipment (UE) to a Core Network (CN) is disclosed. The method including: providing a high latency connection; providing a satellite network portal (SNP) to connect to the UE via a satellite link, wherein the SNP includes a Media Access Control (MAC) layer for managing the satellite link and a Radio Layer Control (RLC) layer of the UE; interfacing the UE to the CN with a Point of Presence (POP) including a Radio Resource Control (RRC) layer of the UE and a Packet Data Convergence Protocol (PDCP) layer of the UE; and establishing a session between the CN and the UE via the RRC layer, the PDCP layer and the RLC layer. In the method, network traffic, between the SNP and the POP, over the high latency connection has a latency greater than 10 milliseconds (ms), the session does not timeout due to the latency of the high latency connection, and the MAC layer schedules bandwidth for the establishing over the satellite link.

Abstract: A triple use satellite system includes a VSAT population including a VSAT, and a satellite including a broadcast beam for a broadcast service and spot beams for a broadband service, where each of the spot beams provides broadband service to VSATs in separate coverage areas in a geographic region and the broadcast beam provides a broadcast service to the VSAT population in the geographic region.

Abstract: Characterizing transport protocol connections and controlling behavior of a communication network based on the characterizations, including obtaining transport protocol state information for transport protocol packets on a transport protocol connection; identifying request/response periods for the transport protocol connection based on the transport protocol state information, the identifying including identifying a beginning of a first request/response period based on the transport protocol state information for a first forward packet, and identifying an end of the first request/response period and a beginning of a second request/response period based on the transport protocol state information for a second forward packet; associating an application type with a server endpoint based on the identified request/response periods; and controlling behavior of the communication network based on the application type.

Abstract: A radio frequency waveguide is disclosed. The radio frequency waveguide includes: a dielectric including an exterior input surface, an exterior output surface and other exterior surfaces; and a metal disposed on the other exterior surfaces of the dielectric, wherein the dielectric is voidless and adapted to propagate radio frequency radiation from the exterior input surface to the exterior output surface.

Abstract: An apparatus for establishing communication between a base station and different generation terminals includes a multi-protocol stack capable of processing user traffic received from different generation terminals. The apparatus also includes a common physical layer that receives user traffic from different generation terminals and identifies the generation of the terminal sending the user traffic. The user traffic is then processed and routed based on the terminal generation. Traffic can be prioritized across current and legacy terminal types based on a variety of factors.

Abstract: A method is provided for interleaving frequency reuse plans of multiple satellites to form an aggregate frequency reuse cell plan. A first plurality of spot beams is generated by a first satellite for a first frequency reuse plan based on radio frequency (RF) spectrum bands. A second plurality of spot beams is generated by a second satellite for a second frequency reuse plan based on the RF spectrum bands. The first and second plurality of spot beams are interleaved to generate an aggregate frequency reuse cell plan. According to the aggregate frequency reuse plan, each of a first plurality of cells is covered by a combination of at least two of the plurality of spot beams of the first satellite, and each of a first plurality of cells is covered by a combination of at least two of the plurality of spot beams of the second satellite.

Abstract: A system and method for providing communications with a Low Earth Orbit (LEO) satellite constellation using a non-omnidirectional antenna is disclosed. A system and method for determining blockages around a non-omnidirectional antenna for use with a Low Earth Orbit (LEO) constellation is disclosed. The method including: receiving System Information (SI) including ephemeris data for satellites in the LEO constellation; receiving a segment division that divides a ground about the antenna into segments; and determining a segment blocking information for the antenna.

Abstract: Various antenna systems are presented that have independently steerable receive and transmit beams. The antenna system may include multiple antenna element systems. Each antenna element system may include multiple phase shifters that alter the phase of received signals and signals to be transmitted. Directions of a first transmit beam, a second transmit beam, a first receive beam, and a second receive beam may be steered independently using the phase shifters. Each antenna element system may include a polarization system.

Abstract: A method and system for testing a Local Area Network (LAN) coupled to a satellite network through a Customer Premises Equipment (CPE) is disclosed. The method includes: providing a LAN diagnostics tool disposed on the CPE for executing a plurality of tests; receiving, at the LAN diagnostics tool, a test request comprising an execution environment indicator; selecting a test agent based on the execution environment indicator; sending in response to the test request, from the LAN diagnostics tool, the selected test agent; and testing the LAN with communications between the LAN diagnostics tool and the selected test agent being executed on a device connected to the LAN.

Abstract: A system and method for detecting and addressing silent failures in a satellite communication system includes a satellite, one or more test terminals deployed within coverage beams of the satellite, and a central station configured to communicate with the test terminals. The test terminals are configured to establish a communication link over the satellite communication system, perform a plurality of tests, and transmit the test results to the central station. The central station: determines if system performance is below specified levels, and initiates at least one solution to improve system performance.