4 results about "Multi path routing" patented technology

This invention relates to the field of wireless networking technology, specifically to a multipath anti-interference method for decentralized broadband ad hoc networks based on random network coding. It includes: relay nodes scanning the wireless spectrum to generate a network channel quality spectrum; generating network compensation commands based on forward link loss rate; responding to the commands by performing network packet reassembly on the basic network payload using the local network topology vector to generate link transmission compensation packets; executing a fluid routing distribution strategy based on channel quality to push the aggregated wireless relay data streams in parallel to the multipath next-hop nodes; and intercepting automatic retransmission requests based on the feedback effective arrival rank. This invention, through deep coupling of network layer topology reassembly and multipath routing scheduling, achieves proactive compensation for link loss and low-latency transmission in complex electromagnetic environments, significantly improving the throughput and reliability of ad hoc networks.

This application discloses a multipath routing method and system for unmanned aerial vehicle (UAV) swarms. The multipath routing method for UAV swarms includes the following steps: initialization; acquiring network status information and traffic characteristic information; performing priority scheduling based on the acquired network status information and traffic characteristic information to determine the scheduling queue; determining whether ground equipment can communicate directly with the UAV; if the ground equipment cannot communicate directly with the UAV, initiating a multipath routing algorithm to make multipath diversion decisions; performing multipath diversion and forwarding execution based on the multipath diversion decisions; and updating the scheduling queue after completing the multipath diversion and forwarding execution. This application achieves differentiated transmission control for different task flows through traffic characteristic awareness and priority queue mechanisms, enabling latency-sensitive tasks to be prioritized for scheduling and forwarding, thereby significantly improving the on-time arrival rate of data packets and enhancing the transmission guarantee capability of heterogeneous task flows.

This application relates to the field of shortwave ad hoc network routing optimization technology, and in particular to a multipath routing method for shortwave ad hoc networks based on node disjointness and adaptive traffic splitting. The method includes: each node exchanging messages according to a preset period to obtain one-hop neighbor information and two-hop neighbor information; constructing a comprehensive link cost model based on the current node's one-hop symmetric neighbors; modeling the shortwave ad hoc network as an original topology graph; performing a shortest path search on the original topology graph based on the comprehensive link cost to obtain primary and backup paths based on node disjointness constraints; and allocating service traffic according to the comprehensive link cost of the primary and backup paths. The method designed in this application can improve the service continuity, throughput performance, latency performance, and network robustness of shortwave ad hoc networks under conditions of sudden link degradation and rapid topology changes, while ensuring controllable routing computation complexity.

The invention relates to the technical field of audio signal processing and sound reinforcement, and discloses a field sound field adaptive generation system based on multi-modal stage data, which comprises a multi-modal sensing network, a central processing unit and a multi-channel sound field generation array, and is characterized in that the multi-modal sensing network is used for acquiring image depth, audio and spatial geometric data; the central processing unit constructs a dynamic acoustic voxel map and solves a sound source attitude, calculates shielding loss based on sound ray tracking, executes a routing decision between a direct path mode and a reflection path mode, and generates adaptive filter parameters and beam forming weights; the sound field generation array executes acoustic rendering, radiates physical sound waves and generates a field sound field matched with the stage environment. According to the method, visual attitude information and a multipath routing mechanism are fused, a non-line-of-sight transmission channel is constructed by using an environment reflecting surface, sound source directivity deviation is compensated in real time, the problems of coverage blind areas caused by dynamic shielding and definition reduction caused by attitude change are solved, and sound reinforcement stability in a complex stage environment is improved.