Abstract: A three-loop inertial stabilization system with active jitter suppression and optical control to reduce line-of-sight (LOS) jitter based on platform induced motion in cantilevered gimbal systems. A first loop comprises at least one rate sensor, a Kalman state estimator, and a rate to angle module. A second loop comprises a mirror system, a focal plane and centroid processing module, an open-loop closed loop selector, a signal combiner and a loop integrator. A third loop comprises a fast steering mirror, offload module and at least one gimbal motor driver, wherein the three loops suppress the jitter of the cantilevered gimbal system.

Abstract: A satellite communication system includes a phased antenna array having a field of view (FoV) and configured to communicate with a plurality of cells in the FoV via a plurality of beams. Each of the plurality of beams is associated with one of the plurality of cells. A phased antenna array is configured to apply adaptive taper selection, based on both the satellite position (in relation to a satellite service beam) and its surrounding interference scenario.

Abstract: A group dispatching method for a trunking communication system, a communication system and a storage medium are provided. The system comprises an interconnection server, a system server and at least one voice dispatch console. The method comprises: establishing a call connection between the first communication terminal and the interconnection server, selecting an idle voice dispatch console as a service access point, transmitting a second call establishment message to the idle voice dispatch console wherein the first call establishment message corresponds to a group call initiated by the first communication terminal to a target group, establishing a call connection between the idle voice dispatch console and the interconnection server when the idle voice dispatch console receives the second call establishment message, and the idle voice dispatch console establishing a call connection to the target group through the system server to receive and transmit voice.

Abstract: The disclosure provides a method and a device in a node for wireless communication. A first node receives a first signal and a second signal, and the first node transmits a first information block and a second information block in a first time window. The first information block and the second information block are used for determining whether the first signal and the second signal are correctly received respectively; transmit power values of physical layer channels carrying the first information block and the second information block are both a first power value. Through the design in the disclosure, a transmit power of a feedback channel on a sidelink is associated with a priority; and when multiple feedback channels are transmitted in one same time window, a proper transmit power can be determined to optimize performances of the feedback channels on the sidelink.

Abstract: A satellite system uses cloud computing virtualized gateways, radio transport protocol and on-ground beamforming to improve wireless communication. A digitized ground based subsystem for use with the satellite system can be employed in transmitting an optical feeder uplink beam to a communications platform that includes a multiple element antenna array. The ground based subsystem is configured to receive the optical feeder uplink beam and, in dependence thereon, use the multiple element antenna feed array to produce and transmit a plurality of RF service downlink beams to a single or plurality of service terminals.

Abstract: It is detected of an interference of a reverse link communication in a feeder link of a communication relay apparatus, which tends to occur when the number of movable aerial-floating type communication relay apparatuses increases in the same area. A communication system comprises a plurality of movable aerial-floating type communication relay apparatuses that respectively include a relay communication station of performing a service-link radio communication with a terminal apparatus, plural gateway stations that respectively perform a feeder-link radio communication with the plurality of the communication relay apparatuses, and a common baseband processing apparatus connected to the plural gateway stations.

Abstract: A device searching method includes: a first device obtains a relative location between a second device and the first device based on location information of the first device and the location information of the second device; if it is determined, based on the relative location, that the second device is not within a shooting range of the first device, the first device indicates to move the first device toward the second device until the second device is within the shooting range of the first device; and the first device highlights the area in which the second device is located in the shooting range of the first device.

Abstract: User equipment (UE) can include a network analyzer to capture network metrics to monitor conditions of cell coverage and band dominance. In some instances, the UE is served by a base station with multiple network bands. The base station may select a network band based on an optimization scheme. In some instances, the UE can capture data representing network metrics and can report such data to a network device to further aggregate the data and to generate reports. The network device can use the aggregated data to perform band dominance analysis, which may include determining a coverage index for each available band. The coverage index may be used to determine parameters for a base station. The parameters may be modified to trigger handovers to optimize band traffic.

Abstract: Apparatuses, methods, and systems for coordinated satellite and terrestrial channel utilization, are disclosed. One wireless system includes a plurality of base stations, a plurality of hubs, and a controller. For an embodiment, the controller is operative to determine discrete communication delays for each base station based upon a maximum propagation delay between each base station and the one or more of the plurality of hubs, generate a channel sharing map that includes a timing of communication between each base station and the one or more of the plurality of hubs, communicate the channel sharing map to the plurality of base stations. Further, each of the plurality of base stations operates to time wireless communication with the plurality of hubs based on the channel sharing map, the discrete communication delays of the base station, and a communication delay of a preceding base station according to the channel sharing map.

Abstract: A multibeam antenna and method of using the same are described. In one embodiment, the antenna comprises an aperture having a plurality of radio-frequency (RF) radiating antenna elements. The RF radiating antenna elements generate a plurality of beams simultaneously in different directions in response to a first modulation pattern for holographic beamforming applied to the plurality of RF radiating antenna elements to establish all beams of the plurality of beams such that antenna elements of the plurality of RF radiating antenna elements contribute to all beams in the plurality of beams concurrently. The antenna also includes a controller coupled to the aperture to generate the first modulation pattern.

Abstract: A device including one or more processors configured to: determine a disconnection margin value based on: a current transmission operation state including one or more transmission control parameters, and a current transmission rate; receive a power back-off (PBO) request including a PBO value; perform a comparison of the PBO value to the disconnection margin value; and determine whether to apply a PBO according to the PBO request based on the comparison.

Abstract: A system of architecture, apparatus and calibration method is invented for high-power flexible-polarization payload for satellite communications. The system comprises onboard phase-tracked apparatus, flexible polarization mechanism, and in-orbit calibration method. The power combining and polarization performance of the phase-tracked payload is monitored on ground by measuring the cross-polarization discrimination (XPD) and/or axial ratio (AR). The high performance over the life is achieved by optimization of the XPD or AR on ground and adjusting complex gain of the transponders. The high-power flexible-polarization in-orbit-calibration payload may be applied but not limited to UHF, L, S, C, X, Ku and Ka-band high power satellite systems.

Abstract: One variation of a method includes: training a first model to predict failures within the first population of satellites within a first time window based on a first set of historical timeseries telemetry data and a first set of historical timeseries failure data; and training a second model to predict failures within the first population of satellites within a second time window, shorter than the first time window, based on the first set of historical timeseries telemetry data and the first set of historical timeseries failure data. The method further includes: predicting a first probability of failure of the first satellite within the first time window based on the first model and the first set of timeseries telemetry data; and predicting a second probability of failure of the first satellite within the second time window based on the second model and the first set of timeseries telemetry data.

Abstract: The technologies described herein are generally directed to facilitating operation of system that can include a processor and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations. In embodiments, the operations can include receiving, from a source user equipment, a first request to communicate to a destination group of user equipment via a multi-cast connection. Further operations can include identifying respective service areas of ones of the destination group, comprising a service area of a destination user equipment of the destination group. In some embodiments, operations can include generating a second request to initiate the multi-cast connection, the second request comprising the destination group of user equipment with the respective service areas, wherein the respective service area of the destination user equipment is for selection, by second network equipment based on the service area, a gateway group of base station equipment.

Abstract: The disclosed technology provides a system and method for allocating resource blocks to a mobile device based on a power headroom of the mobile device as contained in a power headroom report (PHR) from the mobile device. The network allocates mobile devices with the highest power headroom (e.g., power headroom above a certain power threshold) with edge resource blocks, mobile devices with the lowest power headroom (e.g. power headroom below a certain power threshold) with inner resource blocks, and other mobile devices with outer resource blocks.

Abstract: Provided is a terminal which can suitably transmit an uplink signal. In a terminal (100), a PC parameter control unit (104) sets a first power control parameter corresponding to a first service, when a prescribed condition relating to a control channel used for transmission of uplink signal allocation is met, and sets a second power control parameter corresponding to a second service, when the prescribed condition is not met. A transmission unit (109) transmits the uplink signal by using transmission power calculated by using the first power control parameter or the second power control parameter.

Abstract: Embodiments of a method of operation of a power control coordinator to control transmission power of a plurality of Device-to-Device (D2D) pairs that co-exist with a Cellular User Equipment (CUE) that communicates with a base station of a cellular communications network comprises obtaining, for a particular time slot, delayed Network State Information (NSI) feedback from at least some of the plurality of D2D pairs. The method further comprises computing transmission powers for the D2D pairs, respectively, for the particular time slot using On-Line Convex Optimization (OCO) to solve an optimization problem that maximizes a weighted sum data rate of D2D pairs with a constraint of maximum expected interference to the base station. The method further comprises providing, to each D2D pair, an indication of the computed transmission power for the D2D pair for the particular time slot.

Abstract: Systems and methods for operating a controlled device via an activation accessory that includes a vibration motor, a wearable module including a clench-detection sensor (e.g., a Hal effect sensor), and a communication element. The sensor is coupled to a controller, which has an output coupled to a control signal interface and another output coupled to the vibration motor. The controller is programmed to receive and evaluate input signals from the sensor to determine whether or not they represent a command for the controlled device by assessing the input signals for a signal pattern indicative of a plurality of volitional jaw clench actions of a wearer of the wearable module. If/when the processor determines that the input signals represent the command, then it decodes the command and transmits an associated control signal to the controlled device via the control signal interface as well as an activation signal to the vibration motor.

Abstract: This application provides an uplink information transmission method and apparatus. The method includes: determining a value of a power control parameter in a value set of the power control parameter, where any value set of the power control parameter includes at least two values; sending indication information to a terminal device, where the indication information is used to indicate the value of the power control parameter; and receiving uplink information, where the uplink information is from the terminal device at a transmit power adjusted based on the value of the power control parameter.

Abstract: According to an aspect, there is provided an apparatus for controlling a terminal device. The apparatus monitors a current charge level of a rechargeable energy storage device of the terminal device and a current energy harvesting state of an energy harvesting device of the terminal device. When the current energy harvesting state corresponds to an energy harvesting state indicative of no energy being harvested, the apparatus causes the terminal device to operate in one of a first, second and third operating modes depending on a value of the current charge level relative to first and second thresholds. The first, second and third operating modes and the first and second thresholds are defined so that the uplink transmission functionality of the terminal device is disabled when the current charge level drops below the first threshold and the downlink transmission functionality of the terminal device is disabled when the current charge level drops below both thresholds.