117results about How to "Reduce the number of retweets" patented technology

The invention discloses a partition tree based multihop wireless self-organizing networking method, including the deterministic process for all partition root nodes, the interconnecting process between root nodes, the interconnecting route maintenance process between root nodes, the creation process for the partition tree, the dynamic maintenance process for the partition tree and the partition tree based routing process. Compared with the prior wireless network technology, the novel multihop wireless self-organizing networking method of the invention has the advantages of good expansibility, controllable network structure scale, little system overhead and high routing efficiency, thereby effectively improving network transmission efficiency and network performance.

The invention discloses a social network-based vehicle-mounted self-organization network routing method and belongs to the technical field of a vehicle-mounted wireless network. The method comprises the steps of (1) utilizing neighbor node information to calculate the direction angles and the effective values of nodes; (2) adopting a greedy algorithm added with a cache mechanism for the nodes on a road section, wherein intersection nodes adopt the neighbor nodes with the maximum effective values larger than those of the current nodes in an angle threshold value range as the next-hop transmission relay; (3) enabling vehicle nodes to study from the self history transmission actions by a Q learning algorithm assisted by a routing algorithm, wherein the nodes select the neighbor nods enabling a reward function to achieve the maximum convergence value as the next-hop transponder. The complexity of the routing algorithm is reduced, the system cost is reduced, and the Q learning algorithm is used for assisting the routing selecting, so the data packets are enabled to be transmitted along the path with the minimum hop number, and the time delay is reduced; the delivery rate of the data packets is improved and the end-to-end time delay and the consumption of system resources are reduced.

The invention provides an information transmission method and a user device. The information transmission method comprises: a first user device monitors equipment finding signals sent on a broadcast resource by other user devices on the broadcast resource of the equipment finding resources; the first user device transfers all or part of the equipment finding signals of the monitored equipment signals from the broadcast resource of the equipment finding resource. The information transmission method and the user device are capable of reducing resource cost and solving the problem of equipment overload.

The invention belongs to the technical field of a wireless sensor network and discloses a wireless sensor network flooding method based on a BLE (Bluetooth Low Energy) mesh. New BLE advertisement packets are defined; in a hop count configuration phase, a sink node configures hop count values to the sink node for sensor nodes in a network; and in a data transmission phase, a flooding direction of the advertisement packets are restricted through utilization of the hop count values, so the advertisement packets are transmitted towards the sink node. Messages are effectively prevented from being forwarded blindly, the unnecessary relaying is reduced, and the energy consumption of the network is finally reduced. The method is applicable to the wireless sensor network based on the BLE mesh. According to the improved method, through combination of characteristics of a BLE technology, the messages are broadcasted and received through utilization of three advertisement channels. A new advertisement packet format is defined. Fields such as Hop are added. The hop count values to the sink node are configured for the sensor nodes, so the messages are forwarded towards the sink node. The blind flooding of the messages is restricted.

The invention belongs to the field of intelligent electricity meter communication, and provides an intelligent bimodule communication electricity meter and a centralized meter reading and networking method. The intelligent bimodule communication electricity meter comprises an MCU control module, a switch power module and an externally arranged communication module; the switch power module adopts a power panel comprising an internally arranged communication module; the internally arranged communication module and the externally arranged communication module are communicated with the MCU control module through two corresponding UART serial ports respectively. Bimodule communication of the intelligent electricity meter is achieved through the internally arranged communication module and the externally arranged communication module, the internally arranged communication module and the externally arranged communication module are communicated with the MCU control module through the corresponding UART serial ports respectively, and therefore the problem that in the prior art, data congestion occurs at the data interface end of the electricity meter due to the fact that the two modules adopt one series port is solved.

The invention discloses an internet-of-things-oriented economical type logistics transportation delivery method comprising the following steps: a current logistics transportation system is scanned, and information of all transportation stations, traffic transportation networks and transportation vehicles is counted; an RFID technology is applied to count information of goods to be sent at the current moment of each transportation station is counted; empty vehicles of all the transportation stations are scanned, and goods assembling information is distributed to each vehicle; the shortest transportation routes between the transportation station at which the vehicle is located and all other transportation stations are calculated for the selected empty vehicle; one transportation route is selected to act as the transportation route of the current vehicle; and according to the assembling task distribution process with the given transportation route, a goods transportation scheme sent by the current transportation station is calculated. According to the logistics transportation delivery method, loading rate of the vehicles in the logistics transportation process can be enhanced as much as possible. Meanwhile, the goods of the farthest target node are preferably selected to be assembled in each time of loading so that sequential delivery capability of the goods can be enhanced.

The application discloses a Media Access Control (MAC) address information synchronization method and device based on a Virtual eXtensible Local Area Network (VXLAN), wherein the method is applied to a VXLAN Tunnel End Point (VTEP) in the CAS CXLAN. The method includes the steps of: after any Virtual Machine (VM) is detected to be connected with the device, adding a local MAC item corresponding to MAC address information of the VM in an MAC address table; carrying the MAC address information in all of the local MAC items of the MAC address table, belonging to the same VXLAN, in a Link Layer Discovery Protocol (LLDP) message, and after the LLDP message is packaged into a VXLAN message, sending the VXLAN message to the VTEP at an opposite end through a VXLAN tunnel associated with the VXLAN; and de-packaging the VXLAN message after the VXLAN message sent by the VTEP at the opposite end is received, obtaining the LLDP message, and updating the MAC address table according to the MAC address information carried in the LLDP message.

The invention belongs to the field of network communication technology and relates to a method for forwarding messages on DTN or ICN network in a way of self-adoption changeable probability. The method comprises the following steps: defining recent encountering nodes by setting time interval values; recording information of the current encountering nodes by nodes; when messages to be cached is received, counting the number of the current encountering nodes and the copy number of the messages contained in the current encountering nodes by the nodes according to the information of the current encountering nodes; according to the known number of the encountering nodes and the known copy number of the messages, computing and recording the partial copy density of the messages; when the nodes receive request information to the messages, determining the partial copy density to further determine forwarding probability; and forwarding the messages according to the obtained forwarding probability. The invention can effectively reduce the node energy consumption, save node storage space and linkage bandwidth, prolong the life of the whole DNT network and improve the performance of the DNT network.

The invention provides a message forwarding method based on tunnel and a router thereof. The method comprises the following steps: at least two passenger messages are bundled to obtain a tunnel entering message; a packaging protocol header and a transferring protocol header are added to the tunnel entering message to generate a tunnel message; the packaging protocol header is provided with an identification indentifying that the tunnel message is a batch packaging message; the tunnel message is forwarded. The invention can save bandwidth occupation of a tunnel transferring path and improve the message forwarding ability of a tunnel.

The invention discloses an efficient routing method of a high rate-wireless personal area network (HR-WPAN) mesh network and relates to routing technology based on topology servers in the WPAN mesh network. According to the routing method, broadcasting Link State Registration information, converging the Link State Registration information, shortening the length of relay node lists, releasing optimal path information through self-adaptive routing and a routing mechanism based on node dump energy are adopted, and the problems that the unicast control information of an existing routing method of the WPAN Mesh network based on the topology servers can not release network topology information sufficiently, the number, the content and the forwarding path of the control information are redundant, node energy is not considered in a routing process under the multi-path conditions and the like are solved. Control overload is reduced, path constructing time is shortened, node energy consumption is balanced, network bandwidth is saved, the efficiency of the routing method and the performance including time delay and the like are improved, and service life of the network is prolonged.

The invention discloses an internet-of-thing router, which comprises a central router, a smart home end, a smart city end, an intelligent logistics end and an intelligent payment end, wherein the smart home end, the smart city end, the intelligent logistics end and the intelligent payment end are connected with the central router. The smart home end comprises an intelligent household appliance system, an environment sensing system and a security system. The smart city end comprises an internet-of-thing digital application module and a data processing module, wherein the data processing module is used for processing the data and then, uploading the data to a cloud end for data sharing. The intelligent logistics end comprises a distribution module, an information acquisition module and a logistics monitoring module. The intelligent payment end comprises a shopping information server, a client communication terminal and a purchase communication terminal, wherein the shopping information server and the client communication terminal are connected through a network. The internet-of-thing router can realize a remote control and monitoring function of a digital home through a mobile client, can improve sequential delivery capability of cargos based on an intelligent city internet-of-thing transport mode, and is more efficient in information acquisition and lower in cost in city management process.

The invention discloses a wireless sensor routing method based on routing table node energy, and the method comprises the steps: calculating a node with the minimum energy use time on the way and the energy use time of the node in a processing of building a routing broadcast; reducing the transmission times in a given timing transmission mode, and enabling the node to have time in gathering the routing information of peripheral nodes; and carrying out the multiple transmission of a broadcast package, and building node-destination multipath information. The invention also proposes a method for calculating path priority according to the minimum energy use time and distance. The method gives full consideration to a hop number and the information of a node with the minimum residual energy use time in a path, finds out the optimal path, is more reasonable in routing selection, and prolongs the life cycle of the whole wireless sensor network.

The invention provides a method of sharing information between wireless communication systems. After an initial configuration file is read, a jms server is started, a client is started for each communication system, messages of different formats in a heterogeneous communication network are unified into a data format through application of XML, and data interaction is carried out by adopting the JMS technology. Thus, information can be shared between communication systems, a message forwarding mechanism is designed, information of each system can be managed in a unified mode, the communication systems can form a unified network, and the sensing range and the application range of each communication system can be greatly expanded.

The invention discloses a relay method and a nodal point of power line communication. The method includes judging whether the target address in a data frame is matched with the address of the nodal point or not after receiving the data frame. The data frame carries the target address, relay hopping times and sent times. If the target address in a data frame is not matched with the address of the nodal point, the method determines whether the data frame satisfies the forward condition. The transfer condition at least comprises that the data frame is not sent and the forwarded times is smaller than the relay hopping times. If the data frame satisfies the forward condition, the forwarded times in the data frame is added by 1 sequentially according to broadcast times and are broadcasted. The broadcast times is obtained by calculating the relay hopping times, the forwarded times in the data frame and the largest sending times of the nodal points, and the largest sending times is larger than the relay hopping times. The relay method and the nodal point improve successful ratio of the power line communication while not sacrificing communication time by combining repeated sending with the flooding technology.

The invention discloses a message transmission method, a service chain system and a computer-readable storage medium. The method comprises the following steps: when a service function proxy node receives a network flow message sent by a classifier, if the received network flow message is not the first message of the network flow, obtaining the identification information recorded corresponding to the network flow; if the service function proxy node receives the network flow message sent by the classifier, obtaining the identification information recorded corresponding to the network flow; if the service function proxy node receives the network flow message, obtaining the identification information. If the identification information is the first identification, the optimized transmission path in the service chain path information sent by the service chain controller is obtained, and the network flow message is transmitted in the service chain according to the optimized transmission path.The optimized transmission path is that when the network flow message needs to be transmitted to the next hop of the service chain, the service function proxy node sends the network flow message to the next hop service function node. The invention reduces the forwarding times between the service function node and the service function proxy node which do not support NSH on the service chain, shortens the transmission path of the message in the service chain, reduces the forwarding time delay, and improves the service quality.

The invention provides a data transmission method and device, electronic equipment and a storage medium, and relates to the technical field of network communication. The data transmission method comprises the steps of receiving a request data packet sent by a service requester; if the request data packet is a non-redundant data packet, forwarding the request data packet to a service provider; receiving a response data packet of the service provider for the request data packet; determining a transmission index of each transmission channel with the service requester, and determining a target transmission channel according to the transmission index of each transmission channel; and sending the response data packet to the service requester through the target transmission channel. According tothe invention, the problem of unreliable single-channel data transmission can be solved, so that the data transmission efficiency is improved.

The invention discloses a measurement report reporting method. After obtaining measurement types and measurement requirements, a base station adopts different reporting methods according to the different measurement requirements and the measurement types. Through the method that classified reporting is carried out according to timeliness and an existing FTP function of an RNC device and a NODEB is made full use of, the forwarding number of measurement messages on an IUB port signaling link is reduced, the requirement for measurement functions of an RRM algorithm, an MR, and a CDL is guaranteed, meanwhile, the performance problem that the occupancy rate of a CPU of the RNC device is high due to the fact that a large number of the measurement messages are suddenly reported on the IUB port signaling link is avoided, the operating load and the performance pressure of the RNC device are lowered, and the stability of the network is improved.

The invention discloses a system for realizing data message forwarding, which comprises an entry module, a forwarding module and an exit module, wherein the forwarding module is used for receiving and analyzing entry attribute information in data messages, comparing the entry attribute information with exit attribute information, discarding the data messages of which the entry attribute information is the same as the exit attribute information, and forwarding the data messages of which the entry attribute information is different from the exit attribute information into the exit module. The invention also discloses a method for realizing the data message forwarding, which comprises the following steps: in the forwarding module, the distinguishing of port attributes of the data messages is realized, the entry attribute information with the exit attribute information are compared, the data messages of which the entry attribute information is the same as the exit attribute information are discarded, and the data messages of which the entry attribute information is different from the exit attribute information are forwarded. The adoption of the system and the method can realize the fast forwarding of the data message, avoid the loop closing of a network, and save the bandwidth resource of the network.

The invention discloses a cooperative broadcasting method based on a neighbor broadcasting coefficient in a mobile self-organizing network. The cooperative broadcasting method based on a neighbor broadcasting coefficient in a mobile self-organizing network includes the steps: by means of a mode based on a neighbor broadcasting coefficient, starting sending broadcast grouping from a source node; after any one node as a non-source node in the network receives broadcast grouping, according to a forwarding node address list of the broadcast grouping head, deciding whether or not to forward, if requiring forwarding, according to a broadcasting coefficient, selecting the next hop of forwarding nodes, if not enough, making supplement, and then sending broadcast grouping; calculating the broadcasting coefficient according to the successful broadcasting rate and the residual energy of the neighbor nodes; and updating a neighbor information table in real time during the mutual communication process of any two nodes, and broadcasting until all the nodes do not need forwarding broadcast grouping, or exhausting the energy of nodes. The cooperative broadcasting method based on a neighbor broadcasting coefficient in a mobile self-organizing network has the advantages of greatly reducing the number of forwarding nodes, effectively restraining the broadcasting storm, being able to equalize the network energy, prolonging the service life of network, being adapted to the dynamically changed network topology, and providing certain broadcasting reliability at the same time.

The invention discloses a real-time multicast method in a wireless multi-hop network. The method comprises the following steps of: constructing a mesh network; assessing a network condition; adaptively selecting an optimum coding mechanism and coding parameters; performing coding operating by using a core node; processing by using an intermediate node; and processing by using a receiving node. The real-time multicast method in the wireless multi-hop network designed in the invention is applied to a real-time multicast service in a mobile ad hoc network, the optimum coding mechanism and the parameter can be adaptively selected according to the current network condition, the reliability and throughput of the network are improved, the overall energy consumption of the network is reduced and the requirement on the real-time property of services can be met.

The invention belongs to the field of dynamic scheduling, and discloses a dynamic scheduling method for a container truck of a container port. The dynamic scheduling is performed by utilizing an intelligent control end of the container truck of the container port; a digital application module and a data processing module are arranged in the intelligent control end; the digital application module comprises a perception layer and a network layer; the perception layer is composed of various sensing modules and sensing module gateways, and is used for collecting geographic position information andtype and quantity information of containers; and the network layer comprises a digital bandwidth network, network access, and a database, a network application platform and network supervision management corresponding to the digital bandwidth network. By optimizing scheduling of handling equipment of the container port, the job time is shortened; on one hand, the port time of container ships canbe shortened, so that the job efficiency and competitiveness of wharfs are improved; and on the other hand, the turnover rate of the container truck can be increased, so that the operation cost is reduced.

The embodiment of the invention discloses a broadcast message forwarding method and device, equipment and a storage medium. The method comprises the following steps: receiving a first broadcast message to be sent to a first communication group through a broadcast system, and querying a first mapping relationship in a preset storage system according to a first group identifier in the first broadcast message to obtain a first login process corresponding to the first group identifier, wherein the first mapping relationship comprises a corresponding relationship between the group identifier and the login process; forwarding the first broadcast message to the first login process, querying a second mapping relationship in a corresponding process memory through the first login process according to the first group identifier, and determining whether to forward the first broadcast message to the client according to a query result, wherein the second mapping relationship comprises a corresponding relationship between the group identifier and the client. According to the technical scheme provided by the embodiment of the invention, the query time can be saved, the message forwarding frequencyis reduced, and the broadcast message forwarding efficiency of the server in the group communication system is effectively improved.

The invention relates to a VANET broadcast method based on an extra degree and to broadcast communication method of a VANET. According to the invention, a problem that a VANET broadcast communication method that is based on a fixed threshold can not meet an application demand when a density and a frequency change is solved. The method comprises the following steps that: a source node emits a broadcast message; after each vehicle node receives the broadcast message for the first time, each the vehicle node inquiries whether a neighboring node has received the broadcast message and an extra degree of the inquired node is calculated according to a response; a vehicle node whose extra degree exceeds a threshold declares an extra degree of the declaring node; a vehicle node that has received the declaration extracts the extra degree in the declaration and makes comparison between the extracted extra degree and an extra degree of itself; if the extra degree that is declared by the declaring node is large, the node that received the declaration does not participate in forwarding of the broadcast message; if not, a declaration on the compared result is emitted and the extra degree of the node that received the declaration is declared; and if the node that emits the declaration on the compared result still can not receive a declaration on an extra degree that is greater than the extra degree of the node itself, the node forwards the broadcast message.

The invention discloses an energy information piggybacking based high-efficiency routing method in a mobile sensor network. The method adopts three new mechanisms of zero-overhead information piggybacking based on a reputation table, neighbor node transmittability judgment based on residual energy and ACK (acknowledgement character) message on-demand unicast, and solves the problems that in existing related routing methods for the mobile sensor network, due to no consideration to a case that residual energy of a neighbor node is insufficient to complete data transmission and receiving, a sending node ineffectively sends data, a receiving node can cause a reputation computing error when the energy is insufficient to transmit the data, and an ACK message is flooding-transmitted in the network to cause control overhead and excessively high node energy consumption, so that control overhead in the routing process can be reduced, node energy can be saved, and a service life of the network is prolonged. The high-efficiency routing method disclosed by the invention is divided into three stages of node encountering and sensing, data interaction and reputation table updating.

The invention provides a high-efficiency multi-hop TDMA access method of a load balanced unmanned aerial vehicle ad hoc network. The high-efficiency multi-hop TDMA access method of the load balanced unmanned aerial vehicle ad hoc network comprises operations in three periods including time slot allocation, CMOP (Centralized-Map Offering Packet) and data, Data and time slot requests and SMOP (Slot-Map Organizing Packet) while running; two new mechanisms including simplification of time slot allocation messages based on topology and high-efficiency uploading of load balanced time slot request information are adopted; the first new mechanism works in the CMOP period; the second new mechanism works in the SMOP period; the time slot allocation information of a node itself, a node, the gradientvalue of which is not greater than that of the node itself, and a non-descendant node is deleted; a node having a few descendant nodes is selected for forwarding the time slot request information; furthermore, repetitive time slot request information is deleted; therefore, the content of a time slot allocation message can be simplified; furthermore, the length thereof is shortened; simultaneously,the node time slot request information content and the forwarding time are reduced; therefore, the control overhead of the access method is reduced; and node load balance is promoted.

The invention discloses a multi-agent regional logistics distribution system and a control scheduling method thereof. The system is composed of an entrance, a signal light, a loadometer, a label, induction coils, railings, a signal base station, an identification device, a main control body, a wire, a computer and a printer. A supply demand value is extracted timely; when the stock value is too low or the existing supply value is too high and thus a stockout phenomenon may occur, an alarm module carries out alarming, so that the operation of the logistics system becomes ordered. Processing is carried out on an object by the loadometer at the entrance; label processing is carried out; networking data transmission is carried out on the computer; the signal base station is used for guaranteeing information transmission; the printer prints a necessary logistics voucher; and then positioning real-time monitoring is carried out on the logistic process. An intelligent scanning unit scans book information; a main control unit extracts the existing object number information and the existing number information in stock; if the object is likely to be in a stock-out situation, the alarm module carries out alarming and thus a logistic center is warned to pay attention to replenishing of the object. Therefore, a stock-out phenomenon is avoided.

The invention discloses a content obtaining method and user equipment and a cache node. The method comprises: the user equipment applying to a management node for target content; the user equipment respectively receiving a first explorer packet and a second explorer packet, wherein the first explorer packet and the second explorer packet are respectively sent by a first storage node and a second storage node which are determined by the management node, and the first explorer packet comprises an identifier of a fragment of the target content and a shortest distance from the fragment to the user equipment on a first path, and the second explorer packet comprises an identifier of a fragment and a shortest distance from the fragment to the user equipment on a second path; the user equipment determining a preference path according to the shortest distance from the fragment to the user equipment on the first path and the shortest distance from the fragment to the user equipment on the second path; and the user equipment sending a second obtaining request used for obtaining the fragment along the preference path. Through the above method, the forwarding times the fragment in the network can be reduced, the consumption of the network bandwidth can be reduced, and the access delay of the user equipment can be reduced.

The invention relates to an underground communication system based on an Internet of Things technology and an application thereof. Each underground roadway local area network is connected with a surface data center through a wired and wireless mode or a wired and wireless exchange mode. The underground roadway local area network comprises: a personnel wearing node, a vehicle assembling node, an environment monitoring node, a roadway transmission and positioning node and a roadway server. The personnel wearing node, the vehicle assembling node and the environment monitoring node acquire information and upload the information to the roadway server through the roadway transmission and positioning node. The roadway server transmits the information to the surface data center so as to perform comprehensive processing and analysis. In the roadway, double-frequency wireless information transmission is used, which guarantees the long distance transmission and reduces power consumption. The roadway server is gateway equipment which takes an independent roadway scope as the local area network. Mobility is strong. The comprehensive processing and transmission of the single roadway information can be realized. Personnel positioning is combined with the vehicle positioning, which can effectively avoid an electromagnetic shielding phenomenon.

The invention relates to a message forwarding method and a device, which are used for solving the problem that the TTL value of an IP message is processed more times in an SDN network in the prior art, and more system resources are consumed. The controller determines that the forwarding path between the source device and the destination device includes N forwarding devices, determines that the number of times to be forwarded of the IP message to be forwarded sent from the source device to the destination device is N, and determines a first forwarding strategy of the first forwarding device according to the number of times N to be forwarded, so that the first forwarding device performs N reduction processing on the TTL value in the IP message corresponding to the IP address of the destination device, and then forwards the processed IP message. And the controller determines a second forwarding policy of at least one second forwarding device to cause each second forwarding device to forward an IP message corresponding to an IP address of the destination device. In this way, the processing times of the TTL value can be reduced, and the consumption of system resources can be reduced.