17 results about "Relay network" patented technology

The application discloses a kind of unmanned vehicle logistics directional relay network system and its coordination method, belong to intelligent logistics and unmanned vehicle application technical field, the system includes: multiple cellular airspace units, cellular airspace unit is constituted continuous grid in service area;Deployed in the center of each cellular airspace unit one micro hub, as the ground logistics node of corresponding unit;Wherein, each micro hub includes one terminal nest and at least two relay nests;Terminal nest is used to provide the storage and withdrawal interface of user goods;Each relay nest is arranged around terminal nest, and each relay nest is pre-allocated and fixedly responsible for the bidirectional goods transfer task between the unit where the micro hub is located and a particular adjacent unit;Terminal nest and each relay nest are connected by internal logistics transmission device 103.The application fundamentally simplifies scheduling and management complexity by deep coordination of cellular airspace grid, heterogeneous node division of labor, directional routing rules and high automation.

The application discloses a federated continual learning cross-layer optimization method for a UAV relay network, and aims at the problems of easy occurrence of catastrophic forgetting of a model and high system time delay in a streaming task training scene.The application constructs a system architecture comprising a base station, a UAV and a plurality of ground clients; a task stability index is obtained by calculating the gradient similarity between a current task and a historical task of a client, and a system efficiency index is obtained by combining the client computing time delay and the communication time delay, so as to jointly select a target client participating in aggregation; in order to anchor historical knowledge, local compensation updating is performed at the client side based on the historical task gradient, and post-aggregation compensation correction is performed at the base station side based on the historical global gradient; and a cross-layer optimization model about the client computing frequency, bandwidth allocation, UAV trajectory and relay strategy is further established to minimize the maximum completion time delay of the system. The application can improve the model learning precision, reduce catastrophic forgetting and reduce the training time delay.

The application discloses a kind of construction methods of unmanned aerial vehicle swarm dynamic topology network, comprising: according to unmanned aerial vehicle communication load capacity, air node is divided into middle large unmanned aerial vehicle and small unmanned aerial vehicle;With middle large unmanned aerial vehicle as fixed cluster head, build first level relay network, with small unmanned aerial vehicle as cluster subnode, build lower layer swarm network;In lower layer swarm network, temporary cluster head is elected, and temporary cluster head is formed as the relay machine subcluster network;Through orthogonal frequency hopping pattern, bidirectional information interaction is carried out between first level relay network and subcluster network.This scheme can make unmanned aerial vehicle swarm establish dynamic topology structure, and efficiently utilize wireless spectrum resource, improve the network communication performance of unmanned aerial vehicle swarm.

The present invention relates to methods, systems, and computer readable media for mitigating unauthorized message relay attacks. According to one method, the method is performed at a network node configured to relay network message information or derivative information to avoid resource contention between user equipments (UEs). The method includes receiving a first temporary UE identifier (TUEI) associated with a first UE for requesting radio resources within a serving cell; allocating the radio resources to the first UE using the first TUEI; generating a second value based on the first TUEI using at least a conversion algorithm, wherein the second value has a higher entropy characteristic than the first TUEI, thereby reducing a likelihood that the second value includes an encoded message that can be decoded by a second UE when relayed by the network node; and broadcasting a message including the second value to a plurality of UEs including the second UE.

This invention discloses a continuous data backhaul system and method based on a multi-node mobile relay network, comprising: acquiring the status information of each node and the link status information between nodes in the multi-node mobile relay network; dividing the continuous data stream into continuous data windows, and further dividing them into anchor data units and enhanced data units; constructing an encoding seed chain to generate encoded data symbols, and establishing a corresponding rank fingerprint for each data window; constructing a dual-track responsibility token to determine the primary responsible node and witness nodes, and triggering responsibility takeover upon failure; constructing a network topology map and inputting it into an improved EvolveGCN, determining the responsible node combination and performing token migration; generating data based on the token seed chain and rank fingerprint, and reassembling and restoring the data window at the receiving end. This invention achieves continuity and takeover capability in the data backhaul process in a multi-node mobile relay network by constructing an encoding seed chain, rank fingerprint, and dual-track responsibility token mechanism.

This invention relates to the field of UAV collaborative patrol and path planning technology, and discloses a method and system for static trajectory planning and dynamic rescheduling of multiple UAVs in high-altitude areas. The method receives patrol mission instructions, acquires a set of patrol points, digital elevation model data, and environmental data such as air pressure and temperature, determines a comprehensive environmental correction factor, and forms corrected actual performance parameters. Based on these parameters, it performs terrain-aware static trajectory planning on candidate flight paths, forming a static trajectory scheme through comparison of steep ascent, descent, and turn modes. During patrol execution, it detects real-time environmental changes, dynamic no-fly zones, UAV malfunctions, and changes in communication coverage, making corresponding adjustments to affected trajectories, remaining tasks, and relay networks. A post-hoc check determines whether to continue patrolling or continue dynamic relay network adjustments. This invention is applicable to multi-UAV collaborative patrol missions in complex high-altitude terrain scenarios.

A method of a UE in a relay network is provided, the method comprising receiving a sidelink relay adaptation protocol (SRAP) data PDU; determining if the SRAP data PDU should be transmitted to a furt

This invention provides a method for relaying data in a relay network element. The method mainly includes establishing a link between a target relay network element and connected relay network elements in a quantum network, calculating the link weight in real time, and obtaining a link path table. The target relay network element uses a paired decryption key to decrypt and verify the relay data, then places it in a relay queue and parses it to obtain the destination relay network element identifier. Based on the destination relay network element identifier, it traverses the link path table to find the shortest path route to the destination relay network element. Finally, the target relay network element verifies and encrypts the relay data and sends it to the destination relay network element according to the aforementioned shortest path route. This invention provides a method for selecting the optimal relay route, simplifying data relay links, improving data relay efficiency, thereby effectively improving network operating efficiency, while reducing the consumption of quantum keys and computing power, and thus reducing the waste of quantum key resources.

The application discloses a multi-hop relay communication method and device, a terminal device and a relay device, and relates to the technical field of communication. In the multi-hop relay network of the application, multiple relay devices provide relay services in each hop. Therefore, even if a certain relay device in a certain hop cannot continue to provide relay services, other relay devices in the hop can continue to provide relay services, avoiding the interruption of the entire communication, thereby improving the reliability and stability of the network. In addition, since multiple relay devices in the same hop can work in parallel, the load of a single relay device is reduced, thereby improving the throughput of the network. Furthermore, since the relay devices in each hop can be dynamically selected and adjusted according to the demand, the network structure is more flexible, and can flexibly cope with different load demands, network topology changes and device states according to the actual situation, thereby improving the adaptability of the network.

This invention discloses a relay resource allocation method and system based on a quantum flying fox optimization mechanism, relating to the field of wireless communication technology. It aims to address the problems of uneven energy consumption, short network lifetime, and poor usability in existing cooperative multi-user relay networks under high-dimensional relay nodes. The key technical points of this invention include: Step 1: Establishing a wireless sensor network system model with the goal of maximizing network throughput; Step 2: Setting the operating parameters of the cooperative multi-user relay network and initializing the network state; Step 3: Initializing the quantum flying fox population, constructing an fitness function based on the objective function, and determining the globally optimal and worst quantum positions; Step 4: Updating the quantum rotation angle of each quantum flying fox using hopping and exploration strategies to generate the quantum positions of the quantum flying foxes; Step 5: Updating the next generation of quantum positions, the globally optimal quantum position, and the worst quantum position using a greedy selection mechanism; and finally, solving for the relay resource allocation result.

The present application provides a centralized quantum key relay network and a key storage method therefor. A relay node performs a pairwise XOR on related quantum keys having the same generation time to obtain XOR keys, and transmits first feature information of the XOR keys to a controller; the relay node stores feature information of related quantum keys corresponding to the XOR keys; after completing distribution of a shared key, the controller sends a key used notification to the relay node on a relay path, and deletes the used portion of the XOR keys used in the shared key distribution process; and upon reception of the key used notification, the relay node deletes the used portion of the corresponding quantum keys on the basis of second feature information of the XOR keys, so that conflicts caused by the repeated key usage are avoided, thereby ensuring the accuracy and effectiveness of a key system.

This invention relates to the field of high-end equipment manufacturing technology, and in particular provides a control system and method for a UAV function expansion cabinet that facilitates power transmission line inspection. The system includes an equipment pre-setting subsystem for sensing line environment image data collected by high-definition cameras and thermal imagers, transmitting the line environment image data to a defect database; a control system for the UAV nest embedded in the tower generates equipment pre-setting instructions, moving the corresponding equipment to the hoisting interface for standby; a multi-UAV collaborative dispatch subsystem compares the coordinates of risk points with a pre-entered set of tower coordinates to determine the UAV nest relay network topology within the line section where the risk point is located; and generates collaborative dispatch instructions; a nest status reset subsystem compares real-time temperature data with a preset work completion temperature threshold, generating a work completion status marker when the temperature threshold is reached. This invention achieves full-process automation from risk perception, decision-making and dispatching, collaborative operation to status reset.

The application relates to the technical field of gas turbine control, and discloses a gas turbine three-redundancy protection relay network voting method and system. The method comprises the following steps: collecting protection channel operation parameters, performing weighted fusion calculation to obtain a normalized health degree, taking the normalized health degree as a weight to perform weighted operation with a judgment signal to obtain a voting value, establishing a weight queue to determine whether to update the weight according to statistical characteristics, setting a response mode according to the numerical range and change characteristics of the voting value, substituting the updated weight into the voting value calculation, comparing the voting value with a threshold value, and outputting a protection signal. The application realizes adaptive balance of voting flexibility, stability and rapid response, and significantly improves the voting accuracy and reliability of the gas turbine three-redundancy protection system.