42results about How to "Reduce message volume" patented technology

The invention discloses an efficient road traffic anti-collision warning method based on vehicle-to-vehicle communication. According to the method, whether collision warning needs to be carried out is judged according to running state information of a vehicle and an adjacent vehicle, coordinates of a later joint of running routes of the vehicle and the adjacent vehicle are calculated, when the joint is located in front of the vehicle running route, time different of reaching the joint of the two vehicles is calculated, and finally a safety coefficient is set according to the actual road traffic condition and the time difference, namely the emergency situation level of warning is set. The method provides a novel warning mechanism based on the time-domain characteristic of the later joint, achieves dynamic safety warning decision based on partial geographical location information of the vehicle and vehicle running state information, guarantees efficient and reliable safety warning, is low in communication calculation cost, reduces vehicle power consumption, can improve vehicle traffic capacity on a road, and is an available and simple method for an application for assisting vehicle running safety in a car networking mode.

The invention discloses a main and a standby switching system of a session initiation protocol gateway and a corresponding method, which relates to the session initiation protocol gateway equipment in the network communication field, in particular to the main and the standby switching system and the accessible realization methods. The system comprises a mainboard (10) and a standby board (20) which respectively comprise a main network module and a standby network module (11,21), a main SIP protocol module and a standby SIP protocol module (12, 22), a main control module and a standby control module (13,23), and a main HA module and a standby HA module (14,24). Between the main board and the standby board (10,20), a card interface is used for achieving the physical link connectivity in the system, the main board and the standby board (10,20) has an independent IP address and an physical address and achieves the logic link connectivity through socket communication. The invention is applicable to the software synchronization of the gateway main and standby switching systems based on the SIP and also applicable to the software synchronization of the gateway main and standby switching systems based on the other non-SIP.

The invention discloses a method and a system for uninterrupted upgrade of communication system service. The method comprises the following steps that: when a communication program needs to be updated, an update container program is used to take a snapshot of service data during the operation of the communication program and save the service data before the communication program interrupts operated service; after the update of the communication program is finished, an update container sends the saved service data snapshot to the communication program; and the communication program recovers the received service data snapshot and starts the interrupted service. The method and the system can realize the update of the communication program under the conditions of not needing spare machine and not interrupting the service borne by the communication program.

The method includes following steps: (1) borderline net elements in optical network route domain generate current network topology of this route; (2) calculating available information of wavelengths between borderline net elements; (3) constructing a new star type topology of current route; (4) optimizing the said star type topology, and generating final conglomerated topology of current route domain. Advantages are: building up needed message of exchanging routes between different route domain; protecting information inside route domain, enhancing safety of network, reducing size of message inside network, moderating bandwidth of signaling network, and suitable to requirement of dynamic characteristics of optical network in large scale.

The invention discloses a method for assigning resources, which comprises the steps of: forming a bit map by utilizing resource bits used for assigning resources, leading one resource bit to correspond to preset amount of resource units; indicating the number of corresponding blocks with assigned resources and indicating the situation of each block assigned to a resource unit by utilizing the resource bits; and transmitting the bit map to a terminal so as to lead the terminal to know the number of blocks with assigned resources and number of each block assigned to the resource unit by the bit map. The invention also discloses a system, a base station and a terminal corresponding to the assigned resources. By utilizing the invention, the size of a broadcast message is reduced, the cost of communication is reduced and the interference to a neighborhood is reduced, when the resources are assigned.

The invention provides a cloud computing service realization method and a system thereof and relates to the cloud computing field. By using the method and the system of the invention, a problem of wasting a data transmission resource is solved. The method comprises the following steps that a computational node initiates a request of acquiring information to a mirror image node after receiving a request of creating a virtual machine of a user; the computational node creates a virtual machine instance according to mirror image information on a storage node through an interface which is between the computational node and the storage node after acquiring the mirror image information. A technical scheme provided in the invention is suitable for network resource management and a common storage device which is in a storage node mode is realized.

The invention discloses a message pushing method, device and system and belongs to the technical field of communication. The method comprises: receiving a release request sent by a client of a releaser account, wherein the release request is used for releasing the dynamic message of a user; inquiring active accounts in a friend list of the releaser account; obtaining a message ID of the dynamic message; and pushing the message ID to the message boxes of the active accounts, wherein the active accounts refer to accounts that have released and / or browsed the dynamic message within predetermined time and are used for reading the dynamic message according to the message ID. The problem of a serious delay in the release of the dynamic messages due to a fact that a great amount of pushed messages produce heavy pressure on a pushing server when a plurality of users need to release the dynamic messages is solved, and the effects of reducing the amount of pushed messages and the pressure of the pushing server by only pushing the dynamic messages to the message boxes of the active accounts, and thus rapidly delivering the dynamic messages are achieved.

The present invention discloses a synchronizing or desynchronizing state reporting method for downlinks of physical layers, which includes steps below: In an initial synchronizing phase, a physical layer judges whether initial synchronizing conditions are met and then reports synchronizing state information of downlinks to a senior layer of protocol to enter into a synchronizing state. The protocol approves downlinks to create initial synchronization according to state information reported by the physical layer. In synchronizing state, the physical layer verifies whether desynchronizing conditions are met, the physical layer reports desynchronizing state information of downlinks to the senior layer of protocol. In desynchronizing state, the physical layer verifies the synchronizing condition is satisfied and reports synchronizing state information of downlinks to the senior layer of protocol to enter into the synchronizing state. The present invention can reduce remarkably synchronizing and desynchronizing message volume reported by the physical layer, save system signaling consumption and improve system efficiency.

The invention relates to an OCS (Online Charging System), a PCEF (Policy and Charging Enforcement Function), a PCRF (Policy and Charging Rules Function) and a terminal bandwidth control method. The OCS comprises a first receiving module, and a building module. The first receiving module is used for receiving a session identifier with an Sy session sent by the PCEF via a Gy session and a first credit control request message of a session identifier of the Gy session, and the first credit control request message is used for requesting to carry out authentication reservation on the concerned terminal. The building module is connected with the first receiving module for building and storing correlation between the Sy session and the Gy session according to the first credit control request message. According to the OCS, the PCEF, the PCRF and the terminal bandwidth control method, accurate bandwidth control can be provided for different terminals using the same account, the message amount between the OCS and the PCRF is reduced, and the interactive performance between devices is enhanced.

The invention discloses a method for quickly updating a ranging result of an optical network unit through an optical line terminal. The method comprises the following steps that: the optical line terminal (OLT) transmits the acquired ranging difference to all optical network units (ONU); and the current ONU quickly updates the ranging result thereof according to the acquired ranging difference. The invention also discloses a system for quickly updating the ranging result of the optical network unit through the optical line terminal. In the system, a transmitting unit is used for transmitting the acquired ranging difference to all ONUs through the OLT; and an updating unit is used for quickly updating the ranging result of the current ONU according to the acquired ranging difference through the current ONU. The method and the system save the information quantity, and can realize quick switching in a protected state so as to effectively realize protected reversing.

The invention discloses an electing method and a server of a master node, belonging to the technical field of communication. The method comprises: when the primary node is found offline, determining whether the node is the highest priority node in the first group according to the packet information published by the master node before being offline, the grouping information being obtained by dividing all online slave nodes into several groups and setting priorities for each group before the master node is offline,the priorities of the slave nodes in the high priority group are higher than thoseof the slave nodes in the low priority group, and the first group is the group where the first slave node is located; when the node is not the node with the highest priority in the first group, sending the selected master signaling to the second slave node, and waiting to receive the descending signaling responded by the second slave node, the second slave node being a slave node whose priority is higher than the priority of the first slave node; when the waiting time exceeds the first time and no downstream signaling is received, determining the node as the master node to replace the offlinemaster node.

The invention discloses a real-time data observing method used in a network management system, when starting observation, a network management background builds observation request information to transmit to a network management foreground, where there is a word segment expressing observing period in the observation request information, the foreground collects data at regular time according to the observation period and return the collected data to the background; when ending observation, the background transmits observation end request information to the foreground and the foreground stops collecting data. It takes the measure of the foreground reporting real-time data at regular time, reducing information quantity transmitted between the foreground and background and enhancing reliability and stability of network management system.

An embodiment of the invention provides a hot spare method and system for the TCP (transmission control protocol). The method comprises the following steps: a main board sends an acknowledgement packet to an opposite end connected with the TCP for data read by a TCP application layer protocol process, wherein the opposite end is a common opposite end for nodes where the main board and a spare board are located; when the spare board is switched to the main board, the opposite end retransmits data that are not acknowledged by the acknowledgement packet to the spare board. According to the method, the TCP only acknowledges the data read by the process, only one serial number is needed to spare for the receiving direction, the implementation complexity is reduced, the hot spare message capacity is reduced, and the bandwidth between the main board and the spare board is saved.

The invention relates to the field of communications, the invention relates to a load balancing method and device based on multi-carrier aggregation which can reduce a system load for realizing load balancing based on carrier aggregation under C-RAN. The method comprises the following steps of: in a C-RAN architecture, collecting the equivalent PRB utilization rate of each cell in a system in a signaling layer by taking BBU as a unit; wherein theBBU can use PRB according to the collected equivalent PRB utilization rate; screening out to-be-equalized cells are locally; performing load balancingbetween the to-be-balanced cell and the corresponding target cell with a CA relationship. Thus, the message amount of equivalent PRB utilization rate interaction of the BBU on the service layer according to the CA relationship can be effectively reduced, so that the performance of the network load balancing algorithm is effectively improved. The system load is reduced, the network quality is alsoimproved, and the user experience is effectively improved.

The invention provides a spending quota obtainment method, a spending quota sending method, a spending quota interaction method, a PCRF (Policy and Charging Rule Function), an OCS (Online Charging System) and an interaction system. The interaction system comprises steps that the PCRF obtains position information of an assigned position, and sends a policy counter carrying the position information to the OCS; the OCS obtains the policy counter carrying the position information, determines the assigned position according to the position information, and obtains and sends a spending quota status associated with the policy counter in the assigned position to the PCRF; and the PCRF obtains the spending quota status and executes a rule decision. By the embodiment of the invention, the policy counter with the assigned position is provided, the spending quota status of one or more assigned positions are only subscribed at one time, the amount of information sent to the OCS by the PCRF is reduced, the subscription of the policy counter at a specific position is achieved using the existing interface, and the implementation mode is simple and effective.

The embodiment of the invention relates to the technical field of communication, and discloses a message processing method, electronic equipment and a storage medium. The method comprises the steps: after a short message is received, acquiring a signaling simplification process corresponding to the short message, wherein the signaling simplification process is generated after a signaling standard process is simplified; and performing signaling operation on the short message according to the signaling simplification process. As the signaling process is simplified, the subsequent signaling operation links and the message quantity executed for the short message are reduced to a certain extent, so the error probability of message interaction is effectively reduced, and the message transmission efficiency is improved at the same time.

The embodiment of the invention discloses a message processing method, device and system based on Redis, a server and a medium. A specific embodiment of the method comprises the following steps: in response to a received delay message task, determining a delay queue set receiving the delay message task as a target delay queue set, the target delay queue set comprises a delay queue set which is selected from at least two preset delay queue sets and matched with the delay message task; selecting a target process from a process set matched with the target delay queue set; querying a to-be-processed delay message task in the target delay queue through the target process; and sending the delay message task to be processed to a preset message consumption queue. According to the embodiment, the information accumulation in the delay queue set is reduced, the obvious reduction of the message processing efficiency is avoided, and the efficiency and the reliability of the whole system are improved.

The invention discloses a master node election method and a server, which belong to the technical field of communication. The method includes: when the master node is found to be offline, determine whether the node is the node with the highest priority in the first group according to the grouping information issued by the master node before going offline, and the grouping information is sent by the master node to all online slave nodes before going offline Divide it into several groups and set the priority for each group. The priority of each group is different. The priority of the slave nodes in the high priority group is higher than that of the slave nodes in the low priority group. The first group is the first A group where the slave node is located; when the node is not the node with the highest priority in the first group, it sends the master election signaling to the second slave node, and waits to receive the subordinate signaling that the second slave node responds to, and the second The slave node is a slave node whose priority in the first group is higher than that of the first slave node; when the waiting time exceeds the first time and no downgrading signaling is received, the node is determined to be the master node to replace the offline one master node.

An embodiment in the present invention provides a method, a registration server and a terminal of a service release. The method for service releases comprises: a registration server receiving a registration message sent by a session initiation protocol (SIP) terminal, the registration message carrying a support subscription identifier; the registration server sending a registration response message to the SIP terminal according to the registration message; the registration server sending a service release message to the SIP terminal according to the support subscription identifier so as to enable the SIP terminal to use a service corresponding to a service message carried by the service release message. The method is used to solve the problem of excess messages between the SIP terminal and the registration server in the prior art.

The present invention relates to a resource keeping alive method applied to SGW network elements. The method is based on the distributed deployment of service boards and signaling boards, including: S1. The signaling boards respectively send keep alive detection messages to corresponding service boards; S2. Judging whether the response message fed back by the service board is received, if yes, then judging that the service board is normal, and this keep-alive detection ends, otherwise, judging that this keep-alive detection fails, and this keep-alive detection ends; S3. The failure of the corresponding service board is judged according to the predetermined number of keep-alive detection failures. The present invention also relates to a resource release method using the resource keep-alive method described above, the resource release method comprising: S4. when a service board fails, the service processing node corresponding to the service board fails; S5. service processing according to the fault The node searches for the user who needs to release the resource; S6. For the user who needs to release the resource, organize an error indication message according to the user TEIDU_SGW information and TEIDU_PGW information saved in the signaling node in advance, and send it to the peer network element to indicate the peer network element Release resources.

The invention discloses a method for detecting malicious nodes of a vehicle-mounted network based on assistance of an unmanned aerial vehicle, and relates to a communication security technology of a vehicle-mounted ad hoc network. A trust model between vehicle nodes is established through direct trust and indirect trust, and then an adaptive threshold detection mechanism between the nodes is added, vehicle-level aggregation and RSU-level aggregation is performed by selecting a corresponding cluster head under the assistance of an unmanned aerial vehicle, and finally a global blacklist (GBL, Gobal black list) is generated, so that the privacy of the vehicle is protected, and malicious nodes are detected. The solution is not to evaluate the trust value of the vehicle in different time periods and then measure the variability of the evaluation, but to evaluate the trust value of the vehicle during the whole experiment, which provides greater flexibility and accuracy compared with the previously existing solution. In addition, the cluster technology based on the unmanned aerial vehicle can reduce the amount of messages exchanged between the vehicles, so that the vehicle communication in the vehicle-mounted network is more efficient.

The invention discloses a message pushing method, device and system and belongs to the technical field of communication. The method comprises: receiving a release request sent by a client of a releaser account, wherein the release request is used for releasing the dynamic message of a user; inquiring active accounts in a friend list of the releaser account; obtaining a message ID of the dynamic message; and pushing the message ID to the message boxes of the active accounts, wherein the active accounts refer to accounts that have released and / or browsed the dynamic message within predetermined time and are used for reading the dynamic message according to the message ID. The problem of a serious delay in the release of the dynamic messages due to a fact that a great amount of pushed messages produce heavy pressure on a pushing server when a plurality of users need to release the dynamic messages is solved, and the effects of reducing the amount of pushed messages and the pressure of the pushing server by only pushing the dynamic messages to the message boxes of the active accounts, and thus rapidly delivering the dynamic messages are achieved.

The embodiment of the invention provides a low-delay message forwarding method and device and a storage medium, and relates to the technical field of block chains. The method comprises the following steps: receiving a query request message, and querying a block head corresponding to the query request message in a local account book; calculating an address vector representation of the query request message based on the block head; calculating the similarity between the address vector representation and a neighbor node portrait set, wherein the neighbor node portrait set comprises a neighbor node portrait corresponding to each neighbor node, and the neighbor node portrait comprises the address vector representation of one or more query request messages; searching for the most similar K neighbor nodes according to the similarity; selecting R neighbor nodes except the K neighbor nodes, and taking the K neighbor nodes and the R neighbor nodes as forwarding nodes; and sending the query request message to the forwarding node. The request forwarding is guided through the similarity of the account addresses, so that the quantity of sent messages can be reduced, and meanwhile, the query has relatively high query success rate and relatively low delay.

The invention relates to a network data set search method. At a beginning of any appointed source node in a wireless sensor network, a smaller node set stored with one data set is searched through limited message transmission (searching message is controlled in an as small as possible range near a source node during transmitting in the node). The method is realized in each node in a distributed manner, the searched node set dynamically changes in a searching process so that an accumulative searching mode is realized, and the searched node set is gradually enlarges till that storage positions of all the data in the searched data set are searched.

The invention relates to an OCS (Online Charging System), a PCEF (Policy and Charging Enforcement Function), a PCRF (Policy and Charging Rules Function) and a terminal bandwidth control method. The OCS comprises a first receiving module, and a building module. The first receiving module is used for receiving a session identifier with an Sy session sent by the PCEF via a Gy session and a first credit control request message of a session identifier of the Gy session, and the first credit control request message is used for requesting to carry out authentication reservation on the concerned terminal. The building module is connected with the first receiving module for building and storing correlation between the Sy session and the Gy session according to the first credit control request message. According to the OCS, the PCEF, the PCRF and the terminal bandwidth control method, accurate bandwidth control can be provided for different terminals using the same account, the message amount between the OCS and the PCRF is reduced, and the interactive performance between devices is enhanced.

The invention discloses a method for assigning a response channel, and the method comprises the following steps of: sending an assigning message using mark scrambling to a terminal; obtaining the indeThe invention discloses a method for assigning a response channel, and the method comprises the following steps of: sending an assigning message using mark scrambling to a terminal; obtaining the index of the terminal response channel according to the position of the assigning message in all assigning messages so as to ensure the terminal to descramble the assigning message; and further obtainingx of the terminal response channel according to the position of the assigning message in all assigning messages so as to ensure the terminal to descramble the assigning message; and further obtainingthe position of the terminal response channel by the index of the response channel and the positions of time-frequency resource of all response channels. The invention also discloses a corresponding sthe position of the terminal response channel by the index of the response channel and the positions of time-frequency resource of all response channels. The invention also discloses a corresponding system, a base station and a terminal for assigning the response channel. By applying the invention, the dimension of broadcast messages can be reduced when the resource is assigned, and the communicatystem, a base station and a terminal for assigning the response channel. By applying the invention, the dimension of broadcast messages can be reduced when the resource is assigned, and the communication overhead and the interference to the neighborhood can also be reduced.ion overhead and the interference to the neighborhood can also be reduced.

The invention discloses a packet parallel I / O operation method facing to communication. It adds the communication packet structure and master node into computer system. It can get bigger bandwidth of accessing disc drive through synchronizing function of CIO operation interface, and make separate process for reading operation and writing operation. It adopts packet transmission method in both reading and writing operations.

The embodiment of the invention provides an authentication vector acquisition method, a home server and a network system. The method comprises the following steps: sending a second acquisition request for requesting the acquisition of an authentication vector to a second network home server after receiving a first acquisition request which is sent by a first network functional entity and used for requesting the acquisition of the authentication vector required for carrying out authentication on a terminal; receiving the first authentication vector which is returned by the second network home server and obtained according to an SQN produced by the second network home server, obtaining the SQN according to the first authentication vector, and updating an AMF in the first authentication vector according to the network category of a first network located by the first network functional entity; and obtaining a second authentication vector according to the SQN and the updated AMF, and sending to the first network functional entity. The SQN is maintained by the network functional entity in the embodiment of the invention, thereby leading the SQN on the terminal to be consistent with the SQN received from a network layer, thereby solving the possible authentication resynchronization problem.

The method suitable to broad band CDMA system includes following steps: operation and maintenance center completes configuration of label value range of system message 1 corresponding to location area code and routing area code, and the configuration is sent to database at background for conservation; in procedure for creating subzone, foreground sends message to database at background based on subzone id so as to obtain label value range of system message 1 corresponding to location area code and routing area code for the subzone, and sends to base station through request message of system message updating, and is broadcasted through base station in subzone. Network planning guarantees that label value range of system message 1 is identical in subzones in same LAC or inside RAC, and label value range of system message 1 is not identical in adjacent subzones in different LAC or RAC.