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6 results about "Bandwidth utilization" patented technology

A secure communication method of utilizing an amplitude to realize chaos synchronization

InactiveCN102170346AHigh speed transmissionGuaranteed transmission bandwidth utilizationSecuring communicationSynchronising arrangementSecure communicationBinary information
The invention discloses a secure communication method of utilizing an amplitude to realize chaos synchronization of the information security technology field, and the method is used for overcoming the disadvantages that the signal transmission rate in a CSK method is restricted by a synchronization time and the bandwidth utilization rate in a DCSK method is low. The method comprises the steps of modulating a chaos signal generated by a chaos system to generate a sending signal at a sending end, according to a binary information symbol value; recovering the chaos signal prior to the modulation by employing a chaos synchronization system at a receiving end; carrying out an operating of the recovered chaos signal prior to the modulation and the sending signal; and demodulating the binary information symbol value. By the secure communication method of utilizing the amplitude to realize chaos synchronization, a high-speed transmission of the information symbol is realized, meanwhile, the utilization rate of the transmission bandwidth is guaranteed.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Ethernet ring protection switching method and system, and node

ActiveCN108322375AImprove bandwidth utilizationSwitch frequentlyData switching networksBandwidth utilizationEthernet Ring Protection Switching
The invention discloses an Ethernet ring protection switching method and system, and a node. The method comprises the steps that a master node acquires a farthest node that can be seen by the master node; the master node separately determines a minimum of port rated rates of all nodes in a path from a master port of the master node to the farthest node and a minimum of port rated rates of all nodes in a path from a standby port of the master node to the farthest node; and if the minimum of port rated rates of all nodes in the path from the master port of the master node to the farthest node isless than the minimum of port rated rates of all nodes in the path from the standby port of the master node to the farthest node, the master port and the standby port are reversed. According to the method, whether the master port and the standby port need to be switched can be determined by comparing the minimum of port rated rates of all nodes in the path from the master port of the master nodeto the farthest node with the minimum of port rated rates of all nodes in the path from the standby port of the master node to the farthest node, so that a standby link is switched to a low-bandwidthlink adaptively, and the bandwidth use ratio of the Ethernet right is improved.
Owner:RAISECOM TECH

Unmanned aerial vehicle network dynamic load balancing QoS guarantee implementation method and system

PendingCN114845343ANetwork traffic/resource managementTransmissionDifferentiated servicesLoad balanced routing
The invention discloses an unmanned aerial vehicle network dynamic load balancing QoS guarantee realization method and system, a QoS scheme is subdivided into four modules, a network module and a control module are constructed by using an SDN technology, and network information management and control, especially traffic information, are realized by using the characteristic that a data plane and a control plane are separated. The queue module uses a differential service idea, configures queues by means of a TC tool to realize differentiated services, distinguishes link traffic through a DSCP field, allocates bandwidths according to different service types, and provides sufficient link bandwidths for high-speed services. The routing module considers the influence of the link bandwidth utilization rate on the QoS of the unmanned aerial vehicle, combines the bandwidth utilization rate with a shortest path algorithm, provides real-time flow information through the control module, realizes dynamic load balancing routing calculation, and reduces the occurrence of high-bandwidth occupied links. Finally, an SDN unmanned aerial vehicle network is built for simulation implementation. The result shows that QoS indexes such as the link bandwidth utilization rate, the time delay, the packet loss rate and the jitter are obviously improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM
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