53results about How to "Reduce the risk of congestion" patented technology

The embodiment of the invention provides a location update strategy acquisition method, location update strategy acquisition equipment, a location update reject method, location update reject equipment, a paging method and paging equipment. The location update strategy acquisition method comprises the following steps of: acquiring the type information MTC Type of the machine type communication of user equipment or the MTC Type of a group, and setting a location update strategy according to the MTC Type; or acquiring the location update strategy of the user equipment or the location update strategy of the group from a server. The method further comprises the step of: transmitting the location update strategy to the user equipment or the user equipment in the group. Through a location update method and location update equipment of the embodiment of the invention, the load of a network side can be lightened, and the normal running of the network side can be ensured.

The invention provides a path planning method and device, and the method comprises the steps: firstly determining a target driving region comprising a plurality of sub-regions, determining candidate sub-regions according to the predicted congestion values of all sub-regions at a preset time point, then determining a navigation path of the target region according to the travel starting point, travel terminal point and candidate sub-regions of a to-be-planned vehicle, and when the to-be-planned vehicle enters the current sub-region along the target region navigation path, determining a target lane navigation path according to the target region navigation path, the current position of the to-be-planned vehicle and the traffic flow load of each road section in the current sub-region. Accordingto the invention, a vehicle planning problem in a large range is divided into a plurality of vehicle planning problems in a small range, a large number of vehicle planning scenes can be satisfied, the traffic flow loads of each sub-region and each road section are integrated during vehicle planning, the effects of avoiding congestion sub-regions and realizing load balancing of the whole traffic network can be achieved at the same time. and therefore, the applicability is high.

The invention relates to a message transmitting method and device in the Internet of things. The method comprises the steps of receiving a message instruction transmitted through an MQTT (Message Queuing Telemetry Transport) protocol, wherein the message instruction comprises message sending end information, message performing end information, a time stamp and overtime information; detecting whether the message instruction is overtime or not according to the time stamp and the overtime time information in the message instruction; if the message instruction is overtime, detecting whether the current terminal is a message performing end or not according to the message performing end information in the message instruction; if the message instruction is overtime and the current terminal is the message performing end, giving up performing the message instruction and sending overtime prompt information to a message sending end according to the message sending end information; and if the message instruction is overtime and the current terminal is not the message performing end, interrupting transmission of the message instruction and sending the overtime prompt information to the message sending end according to the message sending end information. The certainty of the performing condition of the message instruction transmitted through the MQTT is improved.

The embodiment of the invention provides a visible light communication and WiFi heterogeneous fusion network and a resource scheduling method, and the method comprises the steps: calculating the instantaneous transmission rate of each to-be-scheduled user in a current scheduling time slot according to the channel quality information of each to-be-scheduled user; and calculating the scheduling priority of each to-be-scheduled user in each resource block according to the instantaneous transmission rate and the packet delay of each to-be-scheduled user in the current scheduling time slot; and allocating a corresponding resource block to each to-be-scheduled user based on the scheduling priority of each to-be-scheduled user in each resource block. According to the resource scheduling method provided by the embodiment of the invention, when the scheduling priority of the user is calculated, the packet delay of the user in the current time slot is considered, the short-term fairness of the user is considered, the congestion risk of the whole heterogeneous network system is reduced, and the tension of infinite frequency spectrum resources is relieved.

The device has a scheduling module for scheduling packets in a queue as a function of a priority. The scheduling is performed based on analyzing an incoming bit rate of flows relative to a fair bit rate and a fair queuing with priority algorithm. A fair bit rate value represents the bit rate achieved by a data flow. A priority load value is transmitted in a certain time period divided by duration of that time period. An Independent claim is also included for a method of treating packets of flows on a network link.

The invention discloses a high strength ultralight ceramsite propping agent, which is composed of bauxite, sodium silicate, silica micro powder, nano silica, and manganese ore powder according to a mass ratio of 55-70: 5-10: 10-20: 0-10: 5-10. The apparent density is 1.00-1.75 g / cm3, the bearing strength is greater than 80 MPa, and the phase component comprises a corundum phase, a mullite phase, and a glass phase. The shortages of the prior art can be overcome. The construction technical demands of water fracturing or water-free fracturing of middle-deep layer shale gas (oil) can be effectively satisfied. The operation cost of fracturing is effectively reduced.

The invention discloses a scheduling method for file transmission, comprising the following steps of: screening an associated transmission task for obtaining a transmission task to be executed from successfully evaluated transmission tasks, wherein the transmission time period of the associated transmission task and the transmission time period in the configuration information of the transmissiontask to be executed are at least partially overlapped; determining a time path association set by using a first path set obtained by splitting the transmission path of the associated transmission taskhop by hop and a second path set obtained by splitting the transmission path of the transmission task to be executed hop by hop; determining a maximum available bandwidth corresponding to the transmission task to be executed according to the time path association set; and transmitting the file transmission instruction to the requesting platform when determining, based on the determined maximum available bandwidth, that the transmission task to be executed is executed by the resource corresponding to the configuration information, so as to enable the request platform to perform the transmission task to be executed by using the corresponding resource. The invention also discloses a management platform, a request platform, and a computer readable storage medium.

The invention belongs to the field of Internet of Things technology and relates to a message transmitting method and device in Internet of Things, and the method comprises the steps: a message instruction is received, the message instruction comprises message transmitting terminal information, message executing terminal information, a timestamp and deadline information; whether the message instruction overtimes is detected according to the timestamp and the deadline information in the message instruction, and whether the current terminal is a message executing terminal is detected according to the message executing terminal information in the message instruction; if the message instruction overtimes, and the terminal is the message executing terminal, the message instruction is given up to be executed, and an overtime prompt message is transmitted to a message transmitting terminal according to the message transmitting terminal information; if the message instruction overtimes, and the terminal is not the message executing terminal, the message instruction is deleted, and an overtime prompt message is transmitted to a message transmitting terminal according to the message transmitting terminal information. According to the invention, the determinacy of message instruction executing condition transmitted by reserve protocol is improved.

A method for optimizing a network based on intelligent terminals includes the following steps: an access terminal is recognized as an intelligent terminal by a mobility management network element; after the access terminal is recognized as an intelligent terminal, optimizing process based on the intelligent terminal is executed and first indication information, which instructs an access network element and a gateway network element to execute optimizing process, is sent to the access network element and the gateway network element, so that the optimizing process is executed by the access network element and the gateway network element according to the first indication information.

The embodiment of the invention discloses a transmitting method and device for user mode subscription information based on an RCS client. The method comprises the following steps: detecting the operation state of a terminal, wherein the RCS client is arranged on the terminal; acquiring the RCS state corresponding to the operation state to serve as the target RCS state of the terminal, wherein the RCS state includes a dormant state, an RCS client active state and an RCS client non-active state; acquiring a preset subscription information transmitting manner corresponding to the target RCS state; and transmitting the target subscription information transmitting manner to an application server of the RCS client, wherein the application server is used for transmitting the user mode subscription information of the RCS client according to the received target subscription information transmitting manner. By adopting the transmitting method and device, the resource utilization rate of the server and the RCS client can be improved.

The invention discloses an ultra-light ceramsite proppant for clear water fracturing or water-free fracturing, and a preparation method thereof, and belongs to the technical field of shale gas fracturing. According to the present invention, the preparation method of present invention is different from the existing proppant preparation method; the technical route comprises material preparation, granulation, high temperature molding, and late-stage high temperature sintering; the product visual density is 1.0-1.7 g / cm<3>, and the bearing strength is more than 52 MPa; the main phase components comprise a corundum phase, a mullite phase and a glass phase; the product is suitable for clear water fracturing or water-free fracturing of shale gas, can effectively reduce the fracturing operating cost, can completely use the oil-gas production capacity, and can substantially improve the whole fracturing effect; and the used main raw material is the low-grade bauxite, such that the production cost can be effectively reduced, and the comprehensive utilization of low-grade bauxite can be achieved.

A method for organizing random access, RA, resources, comprising: forming a device group (2) including a plurality of group members (3) and at least one group representative (4); providing the at least one group representative (4) with priority access to RA resources; sending, by the at least one group representative (4), a primary event message (5) to a central unit (1) in said RA resources; and sending, by the central unit (1), a response message (6), responsive to the primary event message (5), to the group members (3) for managing access of the group members (3) to the RA resources.

The invention discloses an opportunistic network congestion control method based on forwarding task migration, an opportunistic network is composed of n mobile nodes moving in a limited area, and twodata structure tables, namely an encounter list and a task hosting table, are maintained in each mobile node, wherein the congestion node timely unloads a part of messages to neighbor nodes with relatively large residual cache space so as to reduce the risk of congestion; and when the hosting node encounters the task node again, if the congestion degree of the task node is reduced at the moment, the hosting node returns the hosted message to the task node. According to the method and the device, the messages with low utility values in the nodes with high congestion risks are temporarily unloaded to other nodes with high encountering probability and low congestion risks, so that the aims of reducing the message discarding number and improving the message transmission success rate are fulfilled.

The invention relates to an API data transmission method and device based on a data-in-data platform, computer equipment and a storage medium. The method comprises the steps of obtaining a to-be-transmitted API data packet, and converting the to-be-transmitted API data packet into a plurality of data sub-packets; determining a transmission thread corresponding to each transmission path used for transmitting the data subpackages, counting the number of threads completing a preset workload in the transmission thread, and calculating a task processing degree value; obtaining the current queue length of the target transmission thread; according to the task processing degree value and the current queue length, determining a target distribution number of data subpackages of the target transmission thread; employing the target transmission thread for transmitting the data sub-packets of the target distribution number to a data medium station; and continuing to determine the target transmission thread until the data sub-packet transmission is finished. By adopting the method, the transmission tasks of the transmission threads can be relatively balanced, the congestion risk of the transmission threads can be reduced, the transmission threads can be prevented from being idle, and thus the transmission efficiency of the transmission threads is improved.

The invention provides a public place face recognition entrance guard system and control method, and relates to the technical field of face recognition entrance guards. The public place face recognition entrance guard system comprises an entrance guard main control system, a face information base, a recognition waiting area, a recognition area entrance barrier gate, recognition area exit barrier gates, a face recognition camera and an advertising machine; the entrance guard main control system is used for controlling whether the recognition waiting area is started or not; and under the condition that the recognition waiting area is started, the camera is used for carrying out real-time face recognition on the face information of all floating persons in the recognition waiting area to obtain all the face information, and the recognition area exit barrier gates are used for being completely opened or completely closed based on the face information. By introducing the recognition waitingarea, the recognition waiting area can be started at the peak of people flow, and all people in the waiting area can be recognized by the camera at the same time, so that all the exit barrier gates are opened at the same time after all the people are successfully matched with the information base, and thus the passing efficiency of a face recognition entrance guard gate machine at the peak of people flow is improved.

The invention provides a goods sorting system and method. The goods sorting system comprises a goods shelf, a four-way shuttle vehicle, a sky rail vehicle and a shunt vehicle, wherein a ground rail track and a sky rail track are laid in a roadway of the goods shelf, the ground rail track and the sky rail track extend in the length direction of the goods shelf, the four-way shuttle vehicle is slidably mounted on the ground rail track, a manipulator is mounted on the sky rail vehicle, the sky rail vehicle is mounted on the sky rail track in a sliding manner, a shunt vehicle track is arranged between the roadways, the shunt vehicle is mounted on the shunt vehicle track in a sliding manner, and the shunt vehicle is used for being clamped with the sky rail vehicle moving to the position so as to transfer the sky rail vehicle from one roadway to the other roadway along the shunt vehicle track. The goods sorting system and the goods sorting method are high in space utilization rate; the overall composite garage entering and exiting efficiency can be improved by increasing the number of vehicles, and expansion is convenient; the sky rail vehicle and the ground rail vehicle are arranged in an up-down split mode, the shunt vehicle slides along the shunt vehicle track to move the sky rail vehicle between roadways, dispatching can be conducted at any position of a goods shelf, and the risk of roadway congestion is reduced.

The invention provides a service downloading control method and a control device. According to the invention, the operation environment of a terminal is acquired, and the service downloading is suspended when the operation environment meets the preset first service downloading condition; the first information is sent to a system side, and the first information comprises a running environment and a service downloading pause reason, so that the system side records the service downloading state of the terminal according to the first information. The system side executes a corresponding preset operation according to the service downloading pause reason to determine whether to send a service downloading recovery instruction to the terminal or not; and the downloading of the service is recovered according to the service downloading recovery instruction, namely, according to the embodiment of the invention, the terminal actively pauses the service downloading when the preset condition is met, and whether the service downloading is recovered is determined by carrying out information interaction with the system side, so that the risk of cell congestion is reduced.

The invention provides a method for confirming mass-flow message and device. The method for confirming mass-flow message and device are used for achieving allocating built-in cache resource to the message belonging to mass-flow message to avoid message jam and improve transmission performance of a transmitting system. The method for confirming mass-flow message comprises the steps that in a preset time interval, the following steps are executed aiming at any message transmitted by a message transmitting system that compression processing is conducted on a characteristic domain value of the message through a preset compression function, and a compression value of the characteristic domain value of the message is obtained; in the messages after being conducted the compression processing of the characteristic domain values, and the quantity of messages provided with compression values is counted; when the quotient of the quantity and the preset time interval is greater than a preset flow threshold value, and the message belonging to the mass-flow message is confirmed.

The invention discloses a system and a method of information distribution based on a small base station, belonging to the field of mobile communication. The system comprises a mobile communication core network 200, a mobile terminal 000, a small base station unit 100 and an information distribution unit 300, wherein the mobile terminal 000, the small base station unit 100, the mobile communication core network 200 and the information distribution unit 300 are connected in sequence; the small base station unit 100 comprises a small base station communication module 110, a small base station information push module 120 and a small base station storage module 130, which are connected in sequence; the information distribution unit 300 comprises an information distribution execution module 310, an information distribution strategy module 320 and an information distribution storage module 320, which are connected in sequence. According to the system and the method, a precise location area of a user is analyzed through small and medium mobile communication base station equipment, and the information distributed to the user is buffered, so that the precision of information distribution business is improved, and the risk of network congestion is reduced.

The invention belongs to the technical field of civil aviation mobile communication, and particularly relates to a bandwidth prediction-based congestion control method in civil aviation satellite communication, which introduces a bandwidth prediction algorithm to adjust a congestion window value in three stages of slow start, congestion avoidance and fast recovery of TCP (Transmission Control Protocol) congestion control, and comprises the following steps: initializing a system, entering the slow start stage of TCP congestion control, and entering the fast recovery stage of TCP congestion control; adjusting the increase amplitude of a congestion window by combining a dichotomy thought and a bandwidth prediction algorithm; when the congestion window value is equal to the slow start threshold value, entering a congestion avoidance stage of TCP congestion control, and adjusting the congestion window by adopting a congestion avoidance improvement mechanism; if the sending end receives three repeated ACKs or a network retransmission timer is overtime in a quick recovery stage, a congestion window and a slow start threshold are adjusted by adopting a first adjustment mechanism or a second adjustment mechanism; according to the invention, the residual bandwidth condition of the link is considered, the risk of congestion and packet loss of the link is reduced, and the throughput of the network is improved.

The invention discloses a congestion solution method, a service opening method, a server and a terminal, and the congestion solution method comprises the steps: generating an opening failure responseaccording to the number of currently queued terminals and the processing capability of an operator server if the service opening failure of the terminal is determined, wherein the opening failure response comprises the queuing time; and sending an opening failure response to the terminal, so that the terminal resends the service opening request according to the queuing time until the service of the terminal is successfully opened. According to the invention, a reasonable queuing time can be allocated to each terminal when multiple users apply for service fulfillment at the same time, so that the processing pressure of an operator server is reduced, the risk of forming network congestion is reduced, the success rate of service fulfillment of the terminals is ensured, and the user experienceis improved.

A flow table management method, device and system. A flow table management method, comprising: a software-defined network controller generates a first flow entry, wherein a first field set in the first flow entry carries an index of an actual value of the first field set, and the first field set includes N fields; the software-defined network controller sends an OpenFlow protocol message to the OpenFlow switching device, and the OpenFlow protocol message carries the first flow entry. The technical solution of the embodiment of the present invention is beneficial to reduce the data volume of the flow entry sent by the SDN Controller to the OpenFlow Switch, thereby reducing the control channel overhead, thereby reducing the risk of control channel congestion, and reducing the impact of the flow entry on the SDN Controller and the OpenFlow Switch. Network processing resource usage.

The invention provides a throw-in type drill rod drift diameter gauge and an application method thereof, and belongs to the field of oil exploration. The device comprises a center shaft and a sealingsleeve sleeving the center shaft, wherein a sealing space is formed between the inner wall of the sealing sleeve and the outer wall of the center shaft; liquid is fully filled in the sealing space; and when a force along the axial direction of the center shaft is applied to the sealing sleeve, the outer diameter of one part on the sealing sleeve can be enlarged. According to the device, the problem that an existing drift diameter gauge cannot detect a mud cake with a certain thickness and other similar adherent objects adhered to the wall surface of a diameter enlargement section of an inner cavity of a drill rod can be solved, the inner cavity of the drill rod is ensured to be clean and smooth to the utmost extent, and the risk of entering a well and being blocked is reduced; the device adopts modular designing and assembling, the sizes of various parts are flexibly designed, the various parts are flexibly combined, so that the size requirements of drill rods with different specifications on site can be met to the utmost extent, and the aim of the drift diameter is achieved; the application method of the device is simple and high in reliability; and the device is easy to process and low in cost.