22 results about "High-throughput satellite" patented technology

The invention provides a special high-throughput satellite communication terminal for electric power, and relates to the technical field of electric power communication, and the special high-throughput satellite communication terminal comprises a baseband processing module which is used for carrying out differential encryption processing on different types of electric power data; the high-throughput satellite radio frequency module is used for suppressing sidelobe interference while realizing automatic satellite beam tracking through a beam forming algorithm during satellite communication, and calculating the optimal transmitting power through a self-adaptive power regulation algorithm; the communication transmission module is used for presetting a data priority based on a priority mapping table during data transmission and preempting satellite beam resources according to the data priority; the electric power Internet of Things protocol adaptation layer is used for realizing conversion between an electric power dedicated protocol and a satellite IP protocol, differential coding compression of electric power data and interrupted transmission in a link; and the beam optimization module is used for dynamically optimizing the beam pointing angle based on the satellite orbit parameters and the terminal geographic position. According to the scheme, the coverage degree of electric power communication in remote areas can be improved, and the safety and reliability of data transmission are improved.

The invention discloses an implementation method suitable for a high-throughput satellite communication hybrid duplex system. The method comprises the following steps: acquiring dual-network statistical basic data including end station back-and-forth propagation time delay distribution and phased-array antenna receiving and transmitting switching characteristics; constructing a dual coupling time planning mathematical model taking starting and ending moments of time windows of an original network and a mirror image network as optimization variables, and solving an optimal time parameter under the condition of satisfying physical constraints such as time delay accessibility, antenna switching safety and master station receiving zero overlap; and the master station broadcasts a time slot configuration instruction to cooperatively control the end stations of the whole network to execute hybrid duplex transceiving. A closed-loop feedback mechanism based on local observation of an end station is also introduced, and time delay drift is estimated and model input is corrected by using network clock reference information. According to the method, static configuration is converted into dynamic mathematical optimization solution, zero-conflict hybrid duplex communication under complex physical constraints is achieved, and the satellite spectrum resource utilization rate and the system operation stability are improved.

The application discloses a high-throughput satellite access method and system based on 5G NR. The method is as follows: a beacon signal and a random access channel are arranged on a global signaling beam of a high-throughput satellite; a satellite terminal requests a service beam service of the high-throughput satellite through the random access channel; all satellite terminals share the random access channel, and resource competition is realized through a random backoff competition mechanism; the satellite terminal adjusts an antenna pointing direction and reports user position information by using the global signaling beam; a satellite system adjusts a variable service beam pointing direction according to the user position information, and provides access service for the user; the satellite system provides a 5G broadcast signal for the user through the service beam, and completes broadcast reception and random access of the 5G satellite system. The system realizes the high-throughput satellite access method based on 5G NR. The application realizes satellite terminal access based on 5G standards without affecting an existing synchronous orbit high-throughput satellite architecture.

The application discloses an implementation method suitable for a high-throughput satellite communication hybrid duplex system, which acquires double-network statistical basic data containing end station round-trip propagation delay distribution and phased array antenna transmission-reception switching characteristics; constructs a dual-coupling time planning mathematical model with original network and mirror network time window start and end time as optimization variables, and solves optimal time parameters under the conditions of satisfying physical constraints such as delay reachability, antenna switching safety and main station reception zero overlap; and the main station broadcasts time slot configuration instructions to cooperatively control all network end stations to perform hybrid duplex transmission-reception. The application also introduces a closed-loop feedback mechanism based on end station local observation, estimates delay drift by using network clock reference information, and corrects model input. The application realizes zero conflict hybrid duplex communication under complex physical constraints by converting static configuration into dynamic mathematical optimization solution, and improves satellite spectrum resource utilization rate and system operation stability.

The application provides an emergency information service system and method based on satellite communication and ground mobile communication fusion, the system comprises: a high flux satellite fixed station terminal, a Ku band 0.6 meter VSAT terminal is adopted, an ACU and a MODEM are integrated, a three-axis structure and a carbon fiber antenna are provided; a ground mobile communication subsystem, comprising a 4G skin base station, a security gateway and a signaling gateway; a multi-WAN port routing device realizes dynamic load balancing of satellite and ground broadband; an emergency power supply system is composed of a generator and a power bank to form a three-level power supply; a network management and monitoring system supports remote configuration and AI optimization. The method comprises the steps of disaster monitoring, system activation, network establishment, signal coverage, communication service and management and maintenance. The application combines AI driven network optimization to quickly establish a reliable communication network in an emergency scene through satellite and ground communication fusion, has the characteristics of wind load resistance, low time delay, intelligent scheduling and the like, and significantly improves the emergency communication guarantee capability.

This invention relates to the field of satellite communications and discloses a high-throughput satellite communication system access method for helicopter user stations. The invention designs a high-throughput satellite communication system for helicopter user stations, accessing the high-throughput system through a TDMA shared control channel, and combining it with anti-rotor obstruction technology based on low-code-rate deep interleaving to achieve medium-to-high-speed service communication for helicopters. This solves the rotor obstruction problem of helicopter platforms, enabling simultaneous, rapid, and stable access to the high-throughput satellite communication system for helicopter clusters and other user platforms. It also provides centralized network management, dynamic resource control, and on-demand access and handover functions for helicopter clusters under the high-throughput satellite communication system.

A system and method for managing handoff in software-defined wide area network (SD-WAN) in aero or mobility situations, where terminal is capable of switching across multiple high throughput satellite (HTS), low-latency wireless spot beams and cell. The system receives at least one packet for upstream / downstream transmission over communication network. The system classifies packets based on data types associated with packets and assigns wireless path associated with first network transport modem for upstream / downstream transmission of packets classified as interactive traffic data type. Furthermore, system assigns satellite path associated with second network transport modem for upstream / downstream transmission of packets classified as bulk traffic data type. Further, system estimates available capacity for upstream / downstream transmission of packets associated with first and / or second network transport modem. Furthermore, system adjusts rate limited priority queue for continuity of TCP connection corresponding to packets, responsive to change in network conditions of communication network during the upstream / downstream transmission.

The application relates to the field of satellite communication and discloses a high-throughput satellite communication system access method of a helicopter user station. The application designs a high-throughput satellite communication system of the helicopter user station, accesses the high-throughput system through a TDMA shared control channel, and realizes medium and high-speed service communication of the helicopter by combining an anti-rotor shielding technology based on low-code-rate deep interleaving, solves the rotor shielding problem of the helicopter platform, realizes fast and stable access of a helicopter cluster and other user multi-platform to the high-throughput satellite communication system at the same time, and realizes the functions of centralized network management of the helicopter cluster, dynamic management and control of resources, and on-demand access, handover and the like under the high-throughput satellite communication system.

The application discloses a kind of multi-beam calibration methods suitable for high-throughput satellite transceiving separate antenna, comprising the following steps: S1.calibration station site selection design;S2.receiving and transmitting antenna feed design;S3.under the participation of two calibration stations, receiving and transmitting two pairs of antenna time-sharing calibration.In the application, for high-throughput satellite transceiving two pairs of separate antennas, an uplink calibration scheme is proposed, and two pairs of antennas can share calibration stations through time-sharing calibration, which saves the construction cost of calibration stations;For the uplink calibration scheme of the transmitting antenna, the time delay of ground processing and satellite-ground propagation in the downlink calibration scheme is reduced, and the real-time of calibration is improved;By constructing two cooperative calibration stations, the pointing error of other user beams outside the calibration beam caused by satellite yaw error can be effectively calibrated.

The invention discloses a high-throughput satellite communication system control surface pressure test system and method, and relates to the technical field of satellite communication. The invention discloses a high-throughput satellite communication system control plane pressure test system and method for solving the problems that a high-throughput satellite communication system is huge, the number of far-end stations is large, the data size of a control plane is large, the process is complex, and system networking scale test verification cannot be effectively carried out conveniently. A set of complete semi-physical pressure test environment and test method is established by constructing a simulation channel environment and simulating a control plane interaction process and protocol between gateway station channel equipment and a far-end station; according to the invention, the testing of the user access quantity, the high-capacity service request, the adaptive code modulation (ACM) capability and the like of the high-throughput satellite communication system under the control face is realized. The method can quickly verify the capability index of the whole satellite communication system, and has the advantages of hybrid networking with a real remote station, vivid channel environment, simple configuration, easy deployment, high efficiency, low cost and the like.

The invention provides an aero-engine real-time intelligent health management double-platform system based on Beidou and a high-throughput satellite. The aero-engine real-time intelligent health management double-platform system comprises an aero-engine airborne system and a ground station system. The aero-engine airborne system generates a communication message and transmits the communication message to the Beidou satellite and the high-throughput satellite system in real time, wherein the communication message comprises positioning information from the Beidou satellite and health diagnosis information which is generated by the aero-engine airborne system and is related to the aero-engine; the ground station system receives and analyzes the communication message in real time through a high-throughput satellite, carries out rapid and accurate health management diagnosis and prediction on the aero-engine, and provides information of engine parts needing to be maintained and repaired in advance for a maintenance support system of an airline company for preparation in advance.

The application relates to a bit synchronization performance enhancement method for a non-continuous wave communication receiving link, which comprises the following steps: performing frame synchronization on a receiving signal frame to determine the starting position of a frame header sample point; performing frequency offset estimation based on the frame header sample point, and performing frequency offset compensation on the receiving signal frame according to the estimation result; embedding a set number of redundant sample points before the starting position of the frame header sample point of the receiving signal frame after the frequency offset compensation, and performing bit synchronization on the generated signal frame to obtain a processing signal frame; and removing the bit-synchronized redundant sample points from the processing signal frame to obtain a bit-synchronized receiving signal frame. The application can effectively solve the performance loss problem caused by the bit synchronization convergence process in the non-continuous wave scene, and greatly reduces the complexity of high-throughput satellite communication receiving.

The application discloses a lightweight high-thermal-stability and focal length adjustable solid surface reflector, comprising a reflecting surface, an unfolding arm, a two-dimensional rotating mechanism, a first folding unfolding arm, a first one-dimensional unfolding hinge, a second folding unfolding arm, a second one-dimensional unfolding hinge and a satellite platform. The application has simple structure and good universality, can realize lightweight, high-thermal-stability, long focal length layout design and focal length adjustment of a large-aperture solid surface reflector, thereby ensuring that the antenna is no longer limited by the envelope of the satellite body, and overcoming the shortcomings of the traditional back cabinet supporting type solid surface reflector, such as heavy weight, poor thermal stability, focal length limited by the envelope of the satellite platform and unadjustable. The application is suitable for the development of high-flux satellite flexible load multi-beam antennas with high performance requirements in the future, and has wide applicability and application value.

The invention discloses a three-break scene-oriented space-based information support system, which comprises a space-based constellation layer, a ground core layer, an edge terminal layer and a collaborative management and control layer which are interconnected and intercommunicated through a standardized protocol to realize'sensing-communication-computing-use 'integrated space-based information support. The space-based constellation layer comprises a high-throughput communication satellite sub-layer and a multi-source remote sensing constellation sub-layer; the ground core layer comprises a satellite gateway station, a remote sensing satellite ground station, an operation management center and a remote sensing application center; the edge terminal layer comprises a high-throughput satellite communication terminal, an information processing terminal and an intelligent interaction APP; the collaborative management and control layer comprises a protocol adaptation module, a resource scheduling module and a security encryption module, the protocol adaptation module realizes unification of communication protocols and data formats of different satellite systems, the resource scheduling module dynamically allocates communication and remote sensing satellite resources, and the security encryption module ensures confidentiality of data transmission and storage. The invention further discloses a corresponding method, electronic equipment and a computer readable storage medium.

This invention provides a data link communication system and method for beyond-line-of-sight (BLOS) swarm telemetry and control of unmanned aerial vehicles (UAVs), including a ground command and control station, a platform UAV, and a mission UAV. The ground command and control station and the platform UAV transmit data via a satellite communication link; the platform UAV and the mission UAV transmit data via a network communication link; and the mission UAV and the ground command and control station transmit data via both a satellite communication link and a network communication link. The advantages of this invention are: it combines Ka-band high-throughput satellite communication with TD-LTE regional network communication, and through technologies such as combined platform hardware design, heterogeneous network communication, data encryption and decryption, efficient encoding and transmission, universal protocol framing, multi-channel backup mechanisms, and differentiated network distribution, it achieves rapid transmission and distribution of service data in the link system, meeting the needs of large-scale, high-bandwidth, and highly mobile UAV swarm operations in beyond-line-of-sight situations.

The application relates to an intelligent satellite communication terminal based on a self-programmable operating system, which comprises a cloud network fusion system based on a high civilian high-flux satellite and a standardized interface; the cloud network fusion system comprises a backbone node subsystem and a plurality of edge node devices connected with the backbone node subsystem; the standardized interface is composed of a general processing chip and a self-programmable operating system; the general processing chip is integrally integrated at a hardware level and provides standardized access; the self-programmable operating system integrally carries all functions of the intelligent satellite communication terminal at a software level, and supports standardized access and customized expansion of system functions of the intelligent satellite communication terminal; the backbone node subsystem is composed of intelligent backbone communication node general processing chips in the general processing chip and satellite communication terminals of the self-programmable operating system; and the edge node device is composed of a plurality of execution devices and functional end nodes carrying edge node device general processing chips.

The invention relates to the technical field of communication, in particular to a data transmission system, method and device, a medium and a product. The data transmission system comprises a Femto base station deployed over an emergency area and a high-throughput satellite portable station deployed on the ground of the emergency area, and a data sending end of the Femto base station is in communication connection with a data receiving end of the high-throughput satellite portable station; the Femto base station can receive user data in an emergency area; processing the user data to obtain an IP data packet; and sending the IP data packet to the high-throughput satellite portable station. The high-throughput satellite portable station can determine user data based on the IP data packet and transmit the user data to the core network. The Femto base station is not sensitive to the bandwidth provided by the high-throughput satellite portable station, and can still operate stably under the condition that the high-throughput satellite portable station provides a very small transmission bandwidth, so that a satellite link with a wider bandwidth does not need to be provided by a large satellite antenna, and the flexibility of a data transmission system is improved.

The invention discloses an unmanned aerial vehicle cluster communication link centralized scheduling method based on a Ka-band high-throughput satellite, and the method comprises the steps: sensing the system state of an unmanned aerial vehicle cluster, and extracting features to form heterogeneous state information; performing state coding on the heterogeneous state information based on a multi-level collaborative attention network to form a global state representation vector rich in context association and fixed dimension; the centralized resource scheduling decision of reinforcement learning is implemented based on the strategy network of the reinforcement learning agent, and the method comprises the following steps: inputting the encoded global state representation vector into the strategy network of the reinforcement learning agent, and outputting the resource allocation action of all unmanned aerial vehicles at the current moment; the satellite performs physical layer transmission on uplink transmission data of each unmanned aerial vehicle, and performs performance evaluation on the transmission success rate and the transmission quality; and establishing a multi-objective optimization comprehensive reward function, and updating the strategy network of the reinforcement learning agent. The invention further discloses a corresponding system, electronic equipment and a computer readable storage medium.

The application provides a high-throughput satellite-based unmanned aerial vehicle dual-mode measurement and control system and method, relates to the technical field of unmanned aerial vehicle communication, and comprises an unmanned aerial vehicle platform, a high-throughput satellite, a ground gateway station of the high-throughput satellite and a ground control station of the unmanned aerial vehicle platform; the system solves the bandwidth demand problem of a large number of unmanned aerial vehicles when simultaneously communicating by adopting the high-throughput satellite, the ground gateway station of the high-throughput satellite is provided with a TDMA service carrier, a TDMA network control carrier, a CDMA service carrier and a CDMA network control carrier, the system sends forward remote control instructions through a CDMA service channel and returns back measurement and control data through a TDMA service channel, that is, a CDMA / TDMA dual-mode measurement and control method is adopted, so that the anti-interference performance of the forward link of the high-throughput satellite is improved, the technical problem that unmanned aerial vehicle communication is prone to interruption is avoided, and the reliability of the unmanned aerial vehicle satellite communication system is improved.

This application provides a method and related equipment for efficient resource transmission in a high-throughput satellite multi-baseband system. The method includes: acquiring service data packets from each baseband system; parsing the service data packets to obtain importance parameters and real-time parameters; determining the priority of each service data packet based on the importance and real-time parameters; adding each service data packet to a classification queue corresponding to each baseband system in descending order of priority; determining the transmission order of each service data packet in the classification queue according to a predetermined scheduling algorithm, and adding the service data packets to a mixed queue according to the transmission order; allocating resources to each service data packet in the mixed queue according to a predetermined resource allocation algorithm; and transmitting the service data packets in the mixed queue based on the allocated resources. This application uniformly allocates resources and schedules the transmission order based on the priority of service data from each baseband system, which can improve resource utilization and fully utilize the performance advantages of high-throughput satellites.

The invention discloses a low-altitude communication guiding and monitoring integrated system based on high-orbit satellite communication, which comprises an airborne end, a ground end satellite gateway station and a command control dispatching center, and is characterized in that the airborne end is carried on an unmanned aerial vehicle and comprises a high-orbit satellite communication module, an optical fiber integrated navigation module and a monitoring module; the high-orbit satellite communication module integrates the data formats of the heterogeneous modules, issues a control instruction and transmits images and data; the satellite gateway station comprises a server and a network control terminal; the system carries out air-ground data interconnection communication by using a high-throughput satellite transponder, and realizes communication with a command control dispatching center through a network and a private network of a satellite gateway station; according to the scheme, the defects of'information isolated island ', low resource utilization rate, poor cooperative capability, inflexible deployment and the like caused by discrete deployment of communication, navigation and monitoring equipment in the existing low-altitude flight service support system are overcome.

The utility model discloses a kind of Ka and Ku dual-frequency fusion satellite communication terminal controller architecture for ship, comprising: main control board, as core processor carries out data processing, and is responsible for carrying out protocol communication;WIFI and extension module, between main control board electrical connection setting, and WIFI and extension module can make main control board access wireless network, and is provided with extension WAN mouth and HUB extension interface;Light control board, with the communication interface module of communication interconnection setting between main control board, communication interface module includes Ka management interface, Ka service interface, Ku management interface and Ku service interface;Power module, between main control board is connected by circuit setting.Solved in the prior art only through Ku large beam network or Ka high flux satellite network is main body, it is difficult to flexibly meet the problem of terminal miniaturization and communication capacity growth demand and global coverage demand.