811results about How to "Solve congestion" patented technology

The embodiment of the invention discloses a stream media processing method, a distribution server, a client and a system. The stream media processing method comprises the following steps of: receiving content burst request information sent by the client; obtaining resource information of a wireless network where the client is; forecasting a data transmission rate of the wireless network according to resource information; selecting content burst adaptive to the data transmission rate; and sending the content burst to the client. With the adoption of the stream media processing method provided by the embodiment of the invention, a code rate and the content burst adaptive to the data transmission rate can be selected for the client by forecasting the data transmission rate of the wireless network where the client is through the distribution server, so that the code rate of the content burst sent to the client is suitable. Therefore, the bandwidth situation of a cell wireless network can be entirely adjusted; the network congestion can be stably reduced; and the problems caused by the network congestion can be solved.

The invention discloses a method and a device for transporting a message. A specific embodiment of the method comprises the steps of receiving the message released by a releasing client; finding a subscription client, wherein a theme of the message subscribed by the subscription client is consistent with the theme of the released message; detecting a value of a session cleaning identifier set on the found subscription client; in response to that the value of the session cleaning identifier set on the found subscription client is a false value, storing the message to a distributed system, and then sending the message stored in the distributed system to the found subscription client. According to the method and the device disclosed by the embodiment, a distributed-configuration message queuing telemetry transport service is realized, and the message congestion problem is solved.

The invention discloses an urban control management system based on smart street lamps, and relates to the technical field of smart cities. The smart city is constructed on the basis of the smart street lamps, interconnection and intercommunication of multiple platforms in the smart city are achieved, and repeated investment is reduced. The intelligent street lamp is a composite public infrastructure integrating multiple functions of intelligent lighting, video acquisition, mobile communication, traffic management, environment monitoring, meteorological monitoring, radio monitoring, emergencyhelp seeking, information interaction and the like, and is an important carrier for constructing a comprehensive perception network of an intelligent city.

The invention discloses a method for distributing and routing optimal services of multi-layer satellite network based on minimum time delay, and aims to solve the problems of large end-to-end time delay, low handling capacity and insufficient utilization of network resource of a multi-layer satellite communication network routing method. The method comprises the following steps: determining a logic area, a virtual node number and a low-earth-orbit satellite routing list according to the initial network topology; periodically updating the node number and the routing list by a low earth orbit; updating a virtual satellite set and a member routing list according to the snapshot time sequence set by a medium earth orbit, and synchronously updating the number of an administrator by the low earth orbit; if the services arrive and the arrival rate of the current satellite area is less than the arrival rate threshold of the ground service supported by the area based on the minimum end-to-end time, transmitting the service in the low earth orbit, and otherwise, transferring the service to a high-level satellite to route, and finally sending a target node. With the adoption of the method, the performance of the multi-layer satellite communication network is improved; the method can be applied to the routing of the multi-layer satellite communication network.

The invention discloses a cloud system for household electronic commerce based on a CDN (Content Delivery Network) and a load balancing technology as well as an implementation method. The cloud system comprises a user App module, a load balancing module and a CDN node module, wherein the load balancing module comprises a GSLB (Global Server Load Balance) module and an LSLB (Local Server Load Balance) module, the CDN node module comprises a plurality of Cache node servers, the CDN node module, which is closest to the user App module, is selected through the load balancing module, and data exchange is carried out between the user App module and the closest CDN node module. The cloud system for household electronic commerce based on the CDN and the load balancing technology as well as the implementation method have the advantages of flexible system expandability and capabilities of effectively improving the utilization efficiency and the response speed of a background server and other resources, remarkably improving the efficiency for solving the IO (Input Output) bottleneck of a front network, helping to shorten the system response time during high concurrency of users and solving the network congestion problem.

The invention discloses processing method and system for an M2M terminal call. In the method, after being switched on and started, a plurality of M2M terminals respectively acquire respective random time and respectively carry out delay according to the respective random time; and after the delay is finished, the M2M terminals respectively establish connection with an application system by a wireless network. The processing method and system for the M2M terminal call can solve the problem of network congestion caused by the simultaneous access of a plurality of terminals in an M2M business in a calling delay way, thereby removing obstacles for providing an application service having the characteristics of strong instantaneity, small transmission flow, long-time networking, and the like for a CDMA system and simultaneously ensuring that an M2M business can be commonly developed with other businesses in a CDMA network.

The invention relates to a pervasive service-oriented adaptive network congestion control method. The method comprises the following steps that: a source node for transmitting information measures round-trip time (RTT) of a target node for receiving the information, wherein when the ratio CSRTT of the latest measuring value to the minimum of the historical RTT is increased, the congestion is caused by too many packets forming a line in an intermediate network node; the target node distinguishes the received data packet is a normal data packet or is a packet-pair used for detecting bandwidth and feeds the estimated available bandwidth back to the source node; according to a feedback signal, the source node distinguishes the congestion states with four levels according to a preset rule and uses the four congestion states as a basis of speed adjustment; when a new connection exists, the target node transmits three repeated acknowledge characters (ACK) of the last received data before switching; and the source node resets a slow start threshold by using the result after receiving an acknowledgment packet which is not data bursting one window, but data for only transmitting two back-to-back packets to detect the available bandwidth on a new path.

The invention relates to an intelligent detection-based overflow prevention and control method for the traffic flow at the outlet of a single-point control intersection. The method solves the trafficjam problem caused by the queue overflow of the traffic flow at each outlet during the peak hours of the traffic flow at the single-point control intersection, wherein the traffic jam problem is ubiquitous in cities. According to the technical scheme of the invention, a detection region is arranged at the guide channel of an outlet. The overflow conditions of the traffic flow are divided into three conditions: the queuing overflow early warning, the queue overflow congestion alarm and the intersection congestion event alarm through the parameter judgment process. Through rapid disposal of thefront two conditions can be realized through comprehensively adopting the operations of phase adjustment, phase sequence adjustment, green light time length adjustment, interval time adjustment and the like. For the intersection congestion event alarm condition, the manual participation is required for severe congestion events. According to the detection scheme of the invention, the defect in theprior art that the data accuracy is low caused by incoming and outgoing vehicles at the outlet can be overcome. Meanwhile, the rapid disposal of the queue overflow condition can be realized by comprehensively applying traffic signal grooming techniques. The method is better in practicability compared with the prior art.

An embodiment of the invention provides a terminal user identification method, device and system. The method comprises: obtaining the residence time of a terminal in a first cell of a private network, the first cell being any cell in the private network; determining a user type of the terminal based on the residence time, the user type being a private network user or a public network user, the private network being a network covering along a high-sped railway, the public network being a network covering outside the high-speed railway, the private network user being a user taking the high-speed rail, and the public network user being a user not taking the high-speed rail. The invention can determine whether the terminal is a public network user in time without depending on the reporting of a base station by determining the user type of the terminal through the residence time, and therefore promptly solve the problem of network congestion of the private network.

The invention relates to a dynamic traffic simulation platform which comprises a perception layer, a fusion layer, an application layer and a presentation layer. The perception layer is connected with a dynamic traffic data collecting device, multivariate heterogeneous traffic flow data are obtained and transmitted to the fusion layer in real time, and the fusion layer is connected with the application layer. The multivariate heterogeneous traffic flow data and GIS data are received for processing, the application layer obtains road network dynamic traffic flow data, and a traffic simulation model is formed. Through the traffic simulation model and a traffic OD matrix, dynamic traffic simulation is performed, and the presentation layer receives the traffic simulation result of the dynamic traffic simulation in the application layer, and provides service application and presentation to a terminal client. The problem that in the prior art, a large number of real-time dynamic traffic data can not be rapidly matched with a road section well is solved. Therefore, the multifunctional dynamic traffic simulation platform is capable of performing OD back stepping and real-time dynamic traffic early warning on dynamic traffic flows on the basis of a GIS grid rapid matching technology.

The present invention discloses a flow sharing method and equipment. The method comprises that: a controller monitors the flow conditions of ports of multiple gateways and obtains the types of all the ports; when it is detected that the flow of some port reaches a specified threshold value, the controller obtains the flow information of the flow of the port according to a flow table of the port; the controller determines the flow to be migrated and a target port according to the flow information and the port type, and migrates the flow to be migrated to the target port. The method solves the port flow congestion of the gateways, realizes dynamic adjustment of the port flow, and enables the whole network to be safer and more reliable.

The embodiment of the invention discloses a method and equipment for controlling the access of user equipment, relating to the field of communication. Network congestion caused by the access of the user equipment is controlled by controlling the access of the user equipment. The method comprises the following steps of: making a first access control decision, wherein the first access control decision is used for deciding to limit a user equipment access network; sending a first page message containing first access limit information to the user equipment according to the first access control decision so that the user equipment limits the user equipment access network according to the first access limit information, wherein the first access limit information contains description information of the user equipment subjected to access limit and access limit indication information, the description information of the user equipment subjected to the access limit contains first equipment type information, and the first equipment type information is used for indicating the type of the user equipment which needs to be subjected to the access limit.

The invention discloses a time-shift program service method, time-shift program service equipment and a time-shift program service system, and belongs to the field of communication. The method comprises the following steps of: receiving a time-shift service request of a terminal user, wherein the time-shift service request comprises a time-shift program identifier and a request playing range; judging whether a fragmentation file corresponding to the request playing range is locally cached, and when the fragmentation file is cached, directly reading the cached fragmentation file corresponding to the request playing range; when the fragmentation file is not locally cached, acquiring a top-level index corresponding to the time-shift program identifier from a superior node according to the time-shift program identifier, wherein the top-level index comprises a time-shift program content playing range corresponding to the time-shift program identifier and fragmentation information; and acquiring the fragmentation file corresponding to the request playing range from the superior node according to the request playing range, the time-shift program content playing range and the fragmentation information. On the premise that a content distribution network (CDN) is not changed, the problems of waste of storage resources and network jam which are caused by different heats of contents on demand are solved.

The embodiment of the invention relates to a network access control method, access control equipment and a network access system. The network access control method comprises the following steps of: receiving a network access request transmitted by a user terminal, wherein the network access request comprises identifier information of the user terminal; acquiring a disperse access control parameter corresponding to the identifier information; and judging whether to permit the user terminal to access a network according to the disperse access control parameter, and transmitting access permission information to the user terminal if so. The network access control method, the access control equipment and the network access system have the advantages of controlling massive UE to dispersively access the network, lightening network side load and solving the problem of network congestion caused by centralized access of the UE to the network.

The invention discloses a process for recycling waste mineral oil without hazardous material emission. The process includes steps of 1, carrying out heating pyrolysis; 2, carrying out condensation and liquefaction and simultaneously recycling combustible gas; 3, carrying out conditioning; 4, storing finished products; 5, clearing coke residues, and to be more specific, clearing solid residual substances-coke residues obtained after clearing pyrolysis is carried out in reaction kettles; 6, gasifying the coke residues, to be more specific, crushing the coke residues cleared at the step 5 to obtain granules, then feeding the granules into a coke residue gasification furnace, gasifying the granules by the aid of the gasification furnace to obtain combustible gas, leading the combustible gas into a gas furnace used at the step 1 and combusting the combustible gas in the combustible furnace. The process has the advantages that certain waste gas and waste residues which are generated during pyrolysis on the waste mineral oil can be used as fuel to be fed into heating furnaces for the reaction kettles in closed-loop procedures, and accordingly the process is basically free of emission of toxic waste gas and toxic waste residues; all combustible substances in the waste mineral oil can be comprehensively sufficiently utilized, accordingly, environments can be protected, energy can be saved, and the process is favorable for society and people.

The technical problem to be resolved by the present invention is to provide a random access method and a system for realizing random access, in order to realize the return of a dedicated back-off time, which is different from the one of a Human to Human (H2H) terminal, for a Machine Type Communication (MTC) equipment. Said method includes the following steps: a base station transmits a random access response media access control layer packet data unit to a Machine type communication Equipment (ME), a back-off sub-header of said random access response media access control layer packet data unit includes the dedicated back-off time which is used when said ME reinitiates a random access. The present invention resolves the problem of network congestion, which is caused when the H2H terminal and the MTC equipment can not obtain different back-off times.

The invention provides a full-dry high fiber count air-blowing micro-cable and a preparation method of an optical fibre bundle thereof. The micro-cable contains a central nonmetallic reinforcer, a plurality of optical fibre bundles which are stranded and arranged on the nonmetallic reinforcer, a nonmetallic tension element which is wrapped or longitudinally covered on the periphery of the optical fibre bundles and a polyethylene jacket which is arranged on the periphery of the tension element through extrusion molding. Each optical fibre bundle is prepared by two-step coating and photocuring and has higher flexibility. A plurality of the prepared optical fibre bundles are directly stranded to obtain a cable, thus the fiber count of the cable is greatly increased; and grease is not required to be filled in the whole optical fiber cable and the entire optical fiber cable is in a full-dry structure, thus the environmental pollution in construction can be avoided and the micro-cable provided by the invention has higher promotion value and application value.

The invention discloses a traffic signal light system and a method capable of automatically regulating duration of traffic signal lights, and relates to the field of intelligent traffic. The traffic signal light system is characterized in that a traffic flow information unit (50) and a GPS (Global Positioning System) navigation data service unit (60) are respectively communicated with a network communication unit (40); the network communication unit (40), a traffic management center control unit (30), a signal light control unit (10) and traffic signal lights (70) are communicated in sequence; a GPS unit (20) is communicated with the signal light control unit (10). According to the traffic signal light system and the method, disclosed by the invention, GPS navigation user data are adopted, intersection traffic flow information can be automatically extracted according to intersection space geographical position information, the queuing length of vehicles in all directions of an intersection can be calculated, and linked and coordinated setting on duration of red light for stop and green light for go in each intersection can be realized, so that intersection road resources can be reasonably distributed, the intersection traffic efficiency is increased, an intersection congestion problem is effectively solved, and the labor cost for maintaining the traffic order is saved.

The invention request to protect a data center network energy-saving routing algorithm based on a software defined network (SDN) architecture, and belongs to the technical field of communication networks. The method designs a heuristic algorithm for computing a minimal energy consumption topology sub-set, and a load balancing mechanism is introduced into a traffic scheduling process of the minimal energy consumption topology sub-set aiming at the problem of congestion of a part of links that may be occurred in a network in existing energy-saving routing schemes, so that the problem of link congestion caused by uneven distribution of traffic is avoided while the maximal link utilization rate of the network is ensured. In addition, the method fully considers power consumption characteristics of different devices, a device power consumption scaling ratio is introduced into the energy-saving routing algorithm, a stream of which path distribution does not meet the best under the device power consumption scaling ratio is re-routed, thus achieving the best energy-saving routing computation under the power consumption characteristic of the device.

The invention relates to a random access method and a system realizing the same. The random access method comprises the following steps that: a reference backspace time is previously configured in a machine-type-communication equipment (ME) or the reference backspace time is transmitted to the ME by a network side, and the network side transmits an adjustment factor to the ME; and the ME adopts the adjustment factor to adjust the reference backspace time to obtain a special backspace time, and a random access request is transmitted according to the special backspace time when the random access is restarted. A pre-configuration way or a network-side transmission way is adopted in the ME, so the ME acquires the reference backspace time, the adjustment factor is transmitted to the ME through a network-side transmission way, the ME adopts the adjustment factor to adjust the reference backspace time to obtain the special backspace time, so the ME and human-to-human (H2H) equipment can adopt different backspace times to restart the random access process, and the network congestion problem caused by identical backspace time adopted by the H2H equipment and the ME can be solved.

The invention discloses a highway toll collection system and connection signal intersection coordinated control system comprising a traffic state detection device, a ramp queuing length detection device, an exit toll station release control device, an entrance toll station release control device, a plane signal intersection control device, a road exit and entrance traffic flow induction device anda coordination controller. The traffic flow is regulated and controlled through the toll stations, the release rate of the exit and entrance toll station is regulated and controlled in real time according to the traffic state and the vehicle queuing length of the highway main lines, the exit and entrance ramps and the urban road of the area near the toll stations, and the signal timing plane forcoordinately controlling the connection signal intersection is also used in a cooperation way; besides, the traffic induction system is also used in an auxiliary way so that the vehicle is enabled tosmoothly enter or leave the highway, the problem of traffic congestion of the highway main lines, the exit and entrance ramps and the connection road segments of the toll stations and the signal intersection can be solved and the overall operation efficiency of the highway and urban road network is enabled to be optimal.

The invention discloses a dynamic differential positioning method based on map matching for mobile communication terminals. The method comprises the following steps of acquiring information of surrounding base stations; according to the acquired base station information, using a base station information database to find the latitude and longitude coordinates of surrounding base station points; calculating the latitude and longitude coordinates of a mobile communication terminal; according to the latitude and longitude coordinates of the mobile communication terminal, marking the position of the mobile communication terminal in a map, removing historical position coordinates which too much deviate from a fitting trajectory and fitting remaining historical positions to form a motion trajectory; contrasting the fitted trajectory with the direction angles and the distance differences of roads in the map, matching the closest street road and removing position points which deviate from the matched road much more on the motion trajectory; and drawing the standard path on the map and repeating the previous steps. The invention adopts the differential way to carry out the data fitting, makes the positioning more accurate, also reduces the cost of positioning, and effectively solves the problem of base station positioning and navigation being difficult.

The invention relates to an initiative appointment-making type intelligent elevator dispatching system. The initiative appointment-making type intelligent elevator dispatching system comprises a mobile phone client terminal, a dispatching total server, a local intelligent elevator dispatching server and an elevator controller, wherein the mobile phone client terminal is used for collecting and transmitting user elevator taking information; the dispatching total server is connected with the mobile phone client terminal in a wireless communication mode, receives and distributes the user elevator taking information transmitted by the mobile phone client terminal, and meanwhile transmits feedback information to the mobile phone client terminal; the local intelligent elevator dispatching server is connected with the dispatching total server in a wireless communication mode or a wired internet mode, receives the user elevator taking information distributed through the dispatching total server, obtains an elevator route planning scheme and anticipated waiting time according to the information, and feeds back the elevator route planning scheme and the anticipated waiting time to the dispatching total server; the elevator controller is connected with the local intelligent elevator dispatching server, and controls parking of an elevator according to the elevator route planning scheme transmitted by the local intelligent elevator dispatching server. Compared with the prior art, the initiative appointment-making type intelligent elevator dispatching system has the advantages that congestion of the elevator in concentrated using sections such as morning-evening rush hours is relieved, and the energy consumption of the elevator is saved.

The invention discloses a teaching interactive learning system and a teaching interactive learning method. The system comprises a student client, a teacher client and a server which is connected with the student client and the teacher client through network respectively, wherein the server comprises a teaching video and audio database, a memory module II and a central processing unit (CPU); the teacher client comprises an input module III, a video and audio acquisition module II, a WIFI (Wireless Fidelity) module II, a wireless router II, a data compression module II, a download module II, a memory module III, an upload module II, a data decompression module II, a display module II, an audio play module II and a CPU module II; the student client comprises an input module I, a video and audio acquisition module I, a WIFI module I, a wireless router I, a data compression module I, a download module I, a memory module I, an upload module I, a data decompression module I, a display module I, an audio play module I and a CPU module I. The system and the method have the advantages of excellent learning effect and wide application range.

The invention aims at providing a multi-AGV path planning method and device. The invention focuses on a sorting peak value and sorting efficiency optimization of a large-scale AGV express delivery sorting system. Based on a traditional A* path planning algorithm, a path search algorithm with automatic smoothing is obtained through improvement. In the improved algorithm, turning time is mapped to ahorizontal distance, AGV turning time is fully considered, the number of turns of a route is reduced, a peak value sorting amount and sorting efficiency of a site are increased, and the effectivenessof the algorithm is verified. Improvement is performed based on the improved A* algorithm, a congestion degree is introduced to solve a congestion problem, congestion can be effectively avoided to acertain extent, an AGV saturation value of the site is increased, and the sorting peak value of the site is improved so that the site can be fully used. Aiming at path planning of a large-scale AGV inthe express delivery sorting system, the sorting efficiency of a system and a peak sorting amount of the site can be increased.

The invention relates to communication field, disclose a flow control method based on bandwidth adjustment mechanism, comprising : user data packets arrived at the hostel MSTP equipment from the source MSTP-end equipment; the MSTP equipment detect its own memory state, connect the link bandwidth of source MSTP equipment according to detection results, and send the regulating information to the sources MSTP equipment; the source MSTP equipment adjust its up-run bandwidth according to the above regulating information. The invention also discloses a network, comprising source MSTP equipment and hostel MSTP equipment. The MSTP equipment described comprises: FIFO state detection module, the FIFO receiving memory modules, FIFO sending memory modules, LCAS control modules and LCAS module. The invention transmits the congestion of the users' residential side in network to the source end users, avoid user data information packet loss, and achieve the end-to-end flow control for users.

The present invention discloses a system for controlling vehicle in and out of parking lot. The system provides an interface for registration of vehicle information to perform registration of the information of a vehicle before coming in a parking lot, the feature information of the vehicle is obtained to determine whether the vehicle is registered on the interface before or not according to the feature information, if the vehicle is registered on the interface before, an access channel is directly opened to let the vehicle pass; and if the vehicle is not registered on the interface before, it is required that an entrance authentication two-dimensional code is displayed at the access channel of the parking lot and an exit payment two-dimensional code is displayed at an exit channel to prompt a vehicle user to scan the entrance authentication two-dimensional code / payment two-dimensional code so as to establish the communication between the system and the vehicle user. Under the interaction of the vehicle user and the system, the automatic control of the in and out of vehicles is realized so as to solve the problem of jamming at the entrance and the exit of the parking lot caused by the management operation such as manual supervision and recording in the prior art, improve the vehicle parking and pick-up efficiency and realize lightweight management of a parking lot.

The invention discloses an intelligent urban traffic dispersion system which comprises a road multi-lane vehicle flow video detecting device electrically connected with a road dispersion data process system. The road dispersion data process system comprises a data acquisition and processing module and a lane vehicle dynamic occupancy rate analysis module, and the road dispersion data process system is electrically connected with a computer control and management system which is electrically connected with a road dispersion variable guiding and notifying system. An adaptive intelligent dispersion management model is established according to the duty ratio control rules and real traffic management experience, and traffic on road sections before intersection in all directions and all lanes of an urban road are intelligent dispersed and controlled through analysis and control by a computer system. Traffic jam on intersections of urban roads can be radically prevented.

The present invention discloses an acceleration method of an asymmetric network or a concurrent network. In the method, firstly bearable bandwidth of the network and the actual processing bandwidth are estimated; when the packet loss or the packet retransmission occurs, if the bearable bandwidth of the network is larger than the actual processing bandwidth, the cause is considered to be the low packet processing of the sending terminal and the receiving terminal, and a lower priority is given to the confirm (ACK) packet. When the packet loss or the packet retransmission occurs, if the bearable bandwidth of the network is smaller than the actual processing bandwidth, the cause is considered to be the network congestion, then the packet is given and confirmed a higher priority; and the transmission rate of the confirm frame is adjusted according to the priority grade of the confirm packet. The present invention opens up different grades of green channels for the confirm packet, to avoid the confirm packet-intensity phenomenon, and the network congestion problem caused by the confirm packet-intensity is fundamentally solved, and the network security hidden trouble caused by losing the control of the confirm packet is avoided.

The invention discloses an ant algorithm-based distributed self-network dynamic-routing method, comprises the courses of route finding and route maintaining. The route finding course is completed by both forward ant packet and backward ant packet, where the forward ant packet takes charge of establishing a path back to the source node and the backward ant packet takes charge of establishing a path to the destination node; each middle node implements distributed treatment of jamming problem, chain breaking problem and shortcut problem in the data transmitting course in the route maintaining stage. The method can reduce added expenses and makes network loads trend to balance and reduces end-end delay time for packet transmission.