70results about How to "Send less frequently" patented technology

The invention discloses a wireless access point (AP) and an AP energy saving method. The method comprises the following steps that: when the AP detects that the AP is not associated with a Station and the duration of not receiving a detection message or an associative message reaches a time threshold value, the AP increases a Beacon interval and transmits a Beacon message according to the increased Beacon interval; and when the AP receives the detection message or the associative message transmitted by a Station, the AP adjusts the Beacon interval to a set value and transmits the Beacon message according to the set value. The invention reduces the power consumption of the AP and realizes the energy saving of the AP.

The method comprises: a) the local game end real-time decides if the moving route of local role varies; if yes, then determines the moving route of local role, and sends the moving message carrying the moving state and moving route of local role to the remote game terminal; b) the remote game end controls the remote role corresponding to the local role to move according to the moving state and moving route in the received moving message. By the invention, the network traffic flow for on-line game can be reduced.

The invention provides a cluster environment data caching synchronous method, including the steps that a storage queue is created in server nodes; when caching object in one server node is updated successfully, method name and ordered parameter list table for updating of the caching object are positioned in the queue waiting to be sent; the queue waiting to be sent is checked according to preset time threshold, and method name and ordered parameter list table for updating of the caching object in the queue are packaged into a message body; the packaged message body is sent to all other sever nodes that subscibe the packaged message body; after the other server nodes receive the packaged message body, the method name and the ordered parameter list table are acquired from the packaged message body; The corresponding caching object updating method is matched in the local sever nodes according to the method name and the ordered parameter list table; and the caching object updating method after matching is implemented to update the caching object of the local sever nodes. The caching updating efficiency is enhanced and the network resource and the computer system resource are saved.

The control method includes following steps: setting up threshold value of data quantity in priority queue of Node B; after receiving trigger event, Node B detects data quantity in priority queue, and determines relation between the data quantity and the threshold value; based on relation between the data quantity and the threshold value, Node B sends control frame of capacity assignment to RNC. The method can reduce frequency for sending control frames so as to realize more accurate and effective control on flux of Iub port.

The invention relates to an embedded Internet of things gateway-based agricultural greenhouse indoor environment monitoring system. The system is characterized in that the system includes a user end, a web server, an embedded type Internet of things gateway, a plurality of environmental parameter sensors, a plurality of execution devices, a database and a power supply device; the environmental parameter sensors are arranged in an agricultural greenhouse and are used for transmitting acquired environmental parameters in the agricultural greenhouse to the embedded type Internet of things gateway through a bus control local area network or a wireless local area network; the embedded type Internet of things gateway sends received environmental parameter data to the web server through the Internet or other satellite networks; the web server processes received data and sends control instructions to the embedded type Internet of things gateway; the embedded type Internet of things gateway sends the control instructions to the execution devices in the agricultural greenhouse through the wireless local area network or the bus control local area network, so that the execution devices can act; and the power supply device is used for supplying power for all electric devices.

The invention discloses a method, an application server, a network database and a system achieving a heartbeat mechanism. Security mechanisms are established in the application server and the network database. A mapping relation between user network layer identifications is established in the application server and the network database. When a network terminal user logs in the application server to activate business application through an application client, the heartbeat mechanism is established between the application server and the network database. By adopting the method, the application server, the network database and the system achieving the heartbeat mechanism, the transmission frequency of short databases between a network and a terminal can be effectively reduced, a network load is lowered, and in addition, the business process of the application business server is effectively simplified.

Disclosed is a culture environment monitoring method of a livestock facility, comprising the following steps: sensing nodes collect environmental parameter information in real time, control nodes collect running state information of a controlled device, and the information is transmitted through other sensing nodes or control nodes by a multi-hop mode, and monitoring data are processed by a plurality of nodes in the transmitting process and are routed to a base station and a monitoring site by the multi-hop mode; and the base station receives the environmental parameter information and the running state information of the controlled device transmitted by the sensing nodes and the control nodes through a communication module, a computation module is in serial communication with the communication module to obtain physical quantity data of various parameters. The base station transmits the physical quantity data to the monitoring site through serial ports on the one hand, and a user interface displays environmental data and the state of the controlled device; and on the other hand, the base station obtains a control command through the physical quantity data of the parameters and a control algorithm, and the control command is transmitted to the control nodes for controlling the controlled device by the multi-hop mode, so as to reach the purpose of environment monitoring.

The invention discloses an intelligent tracking collaborative system for an RFID logistics supply chain. The intelligent tracking collaborative system for the RFID logistics supply chain comprises RFID labels, an RFID reader and a management system. The RFID labels are attached to traced logistic goods, and comprise Wifi/GPS chips inside. The RFID reader reads the label information of the RFID labels, and the label information of the RFID labels comprises data information of the logistic goods and Wifi/GPS locating information. The management system maintains network connection with the RFID reader and receives the label information, read by the RFID reader, of the RFID labels. The intelligent tracking collaborative system for the RFID logistics supply chain combines the RFID technology, the GPS technology and the Wifi technology, and combines the existing communication technology to achieve the all-weather and all space and time intelligent tracking collaboration for logistics supply chains, and achieves connection, smoothness and globalized management of enterprise supply chains.

The invention provides a built-in touch control display device and a driving method of the built-in touch control display device. A shielding layer is arranged between a data line and a touch control driving electrode, a touch control driving signal is transmitted to the corresponding touch control driving electrode when a first grid line set corresponding to a common electrode is in an opening state, and the touch control driving signal stops being transmitted to the corresponding touch control driving electrode when a second grid line set corresponding to the touch control driving electrode is in an opening state. Display driving and touch control detection are carried out synchronously, the touch control detection time is prolonged, the transmitting efficiency of a touch control detection signal is reduced, the noise of the touch control display device is further lowered, and the display quality of the touch control display device is improved.

The invention provides an SPS activation method, a base station and a cluster communication system. The method comprises the following steps: a current base station in a current cell periodically sends an SPS activation command aiming at an established target group to the current cell in a preset first period of time and stops sending the SPS activation command after the first period of time; the current base station, according to a target group identifier carried in a switching request sent from an adjacent cell, adds UE switched from the adjacent cell to the current cell into the target group corresponding to the target group identifier; and the current base station periodically sends the SPS activation command to the current cell in a preset second period of time and stops sending the SPS activation command after the second period of time. According to the invention, the transmission frequency of the SPS activation command can be reduced, and time delay for accessing monitoring users to group services can be shortened.

The invention relates to a method for informing the member condition of POC server group, and relative device. Wherein, it is characterized in that: based on high NOTIFY sending frequency, it provides a method to reduce said frequency; and adds one inform timer for each group conversation in the POC server, while the time length of said timer can be modified. The invention comprises: POC server starts the inform timer when sends requests to each called user; when the inform timer is over time, POC server detects the member condition of group to inform all members; therefore, the invention can reduce the working load of network and POC terminal.

The invention discloses a judgment feedback channel estimation method based on a training sequence in a light OFDM (orthogonal frequency division multiplexing) system. The judgment feedback channel estimation method based on the training sequence reduces the training frequency transmitting efficiency needed by the channel estimation of the light OFDM system, improves the effective rate and frequency spectrum efficiency of the system and can reduce the influence of factors, such as noise, laser line width, and the like, trace the change condition of a channel and improve the precision and system performance of the channel estimation. Meanwhile, the judgment feedback channel estimation method based on the training sequence can be suitable for a light transmission system adopting an OFDM technology and can be combined with other channel estimation technologies for use. The invention has the advantages of strong practicability, high precision of channel estimation, simple structure, low cost, low signal processing requirement, and the like.

The invention provides a touch display device and a drive method thereof. Each column in a touch drive electrode block matrix in a first substrate of the touch display device comprises a first touch drive electrode block and a second touch drive electrode block, first touch drive signals are sequentially transmitted to the first touch drive electrode blocks of corresponding matrix columns in the touch drive electrode block matrix in the first substrate during a display time period, grid lines corresponding to the first touch drive electrode blocks receiving the first touch drive signals are in a closed state, the grid lines corresponding to the first touch drive electrode blocks in the columns of the matrix are in the closed state, the grid lines corresponding to second touch drive electrode blocks in the column of the matrix are in an open state, and second touch drive signals are transmitted to the second touch drive electrode blocks at the time between adjacent display time periods. As display driving and touch monitoring are carried out synchronously, noise of the touch display device is lowered, and the display quality of the touch display device is improved.

The invention discloses a method and device for sending mails, and belongs to the field of internetwork communication. The method comprises the following steps of: acquiring all unsent mails every other cycle, wherein the attributes of the mails at least comprise a receiver identifier; gathering a plurality of mails with the same mail attributes into a mail; and sending the gathered mail. The device comprises an acquisition module, a gathering module and a sending module. Through the method and the device, network bandwidth resources can be saved and user experience can be improved.

The invention relates to a distributed machine learning system acceleration method based on network reconfiguration. The method comprises the following steps that 1, a scheduler obtains a certain number of to-be-trained models from a database; 2, each training task is divided into a plurality of sub-tasks according to the position preference of each training task, and the sub-tasks are deployed toeach server; 3, the scheduling strategy manager continuously allocates GPU resources according to the difficulty degree of reaching the time fairness of each task distance; 4, the size of the TCP buffer area is dynamically adjusted according to the current network condition; step 5, the scheduling strategy manager records a corresponding result into a database according to a load operation condition; and step 6, whether to continue scheduling or not is determined according to the condition of the to-be-trained model in the database. According to the task scheduling strategy of time fairness and position sensitivity, the problems of long-tail delay and the like in the training process of the machine learning model can be avoided, and the service quality of the cluster is improved.

The embodiment of the invention discloses a tire pressure monitoring system which comprises a tire pressure sensor, a main machine connected to the tire pressure sensor and a client wirelessly connected to the main machine. The main machine is provided with a long term evolution Internet of things LTE-M module; the tire pressure sensor is used for detecting the tire pressure of a vehicle tire and sends the tire pressure to the main machine; the main machine is used for determining whether the tire pressure of the vehicle is abnormal or not; and when the tire pressure of the vehicle is abnormal, the LTE-M module sends the tire pressure and/or alarm information to the client. Furthermore, the embodiment of the invention also discloses a tire pressure monitoring method applied to the main machine and a tire pressure monitoring method applied to a cloud server.

The invention relates to a train integrity detection system based on Beidou short message communication. The system comprises a vehicle-mounted ATP host, train tail equipment and ground RBC equipment,and is characterized in that the vehicle-mounted ATP host is in communication connection with the train tail equipment and the ground RBC equipment respectively; the vehicle-mounted ATP host and thetrain tail equipment each comprise a main control unit, a wind pressure detection module, a wireless communication module, a speed measurement module and a satellite positioning module, wherein the wind pressure detection module, the wireless communication module, the speed measurement module and the satellite positioning module are connected with the main control unit; and the vehicle-mounted ATPhost and the train tail equipment each further comprise a Beidou short message communication module connected with the main control unit. Compared with the prior art, the system has the advantages ofhigh communication interference resistance, short response time and the like.

The embodiment of the invention relates to the technical field of communication, and especially relates to a fault detection method and device, so as to alleviate the network load, and reduce the network cost. In the embodiment of the invention, the method comprises the steps: determining the frequency that first equipment transmits a fault detection message when all user equipment corresponding to the first and second equipment does not build business connection; adjusting the frequency that the first equipment transmits the fault detection message when the frequency that the first equipment transmits the fault detection message is determined to be not less than a first threshold value, so as to enable the adjusted frequency that the first equipment transmits the fault detection message to be less than the first threshold value; and/or determining the frequency that the second equipment transmits the fault detection message; adjusting the frequency that the second equipment transmits the fault detection message when the frequency that the second equipment transmits the fault detection message is determined to be not less than a second threshold value, so as to enable the adjusted frequency that the second equipment transmits the fault detection message to be less than the second threshold value.

The invention discloses a step counting method and a step counting device, wherein the method comprises the following steps of: reading the number of athletic steps at preset intervals, calculating the number of the athletic steps in the preset time interval according to the number of the read athletic steps; storing the number of the athletic steps in a database; judging whether the total numberof the athletic steps stored in the database is greater than or equal to a first threshold value; if yes, sending out the total number of the athletic steps stored in the database and emptying the stored number of the athletic steps. According to the embodiment of the invention, the step counting method is provided. Through reading the number of the athletic steps at time intervals and calculatingthe number of the athletic steps in the preset time interval and storing the number of the athletic steps; when the stored total number of the athletic steps reaches the first threshold value, the data of the number of the athletic steps is sent out for once, so that the data transmission frequency is greatly reduced, the energy consumption of the counting equipment is reduced, and the cruisingability of the counting equipment is provided.

The invention provides a method and device for processing transmission time intervals of synchronization information. The node-side processing method comprises the steps of determining a first time interval of a first node for transmitting synchronization information at present; when there is a second node with the synchronization priority being lower than the synchronization priority of the first node in nodes around the first node and the second node continuously exists within a first preset time period, reducing the first time interval, thereby reducing the transmission frequency, improving the resource utilization rate of the system and reducing synchronization signal interference; and when the synchronization priorities of nodes around the first node are all greater than or equal to the synchronization priority of the first node and the nodes around the first node continuously exist within a second preset time period, increasing the first time interval, thereby improving the transmission frequency, providing synchronization information with higher precision for low-priority nodes, improving the synchronization precision of the system, accelerating the synchronization convergence and improving the reliability of communication.

The invention provides a cloud desktop high-definition video transmission method. The method comprises the following steps: when current display data is changed, rendering all the current display data into a buffer displayed in a full-screen way; judging whether the data in the buffer needs to be transmitted to a client or not according to a rendering timestamp, and extracting the display data from the buffer and performing video compression and coding if the data in the buffer needs to be transmitted to the client; and transmitting coded video stream data to the client. The method has the advantage that a full-screen mode (single processing module) is adopted, so that the processing stress is not increased along with the increase of change areas. Moreover, a display data transmission frequency is lowered in a timestamp filtering way or a periodical video compression processing way, so that the requirement of instantaneously-transmitted data on a bandwidth is lowered; an amount of the transmitted data tends to be stable; fluctuation of the data transmission amount is reduced; and a limitation on a cloud desktop bandwidth is facilitated.

The invention discloses a link keepalive method. The method comprises the steps of receiving a first keepalive message from a first terminal, wherein the first keepalive message is a keepalive message for a link corresponding to a first application; determining whether a first base station to which the first terminal belongs meets a preset condition, wherein the preset condition represents that the first base station is a base station in a preset area; if the first station meets the preset condition, determining, by using a recorded first moment, whether the first keepalive message is allowed to send, wherein the first moment is a time point at when the first application accessing the base station in the preset area interacts messages with an application server for the last time; and according to a determining result, sending the first keepalive message to the application server or returning a keepalive response to the first terminal. The invention further discloses a link keepalive device.

The invention relates to a method and device for distributing high speed data. The method comprises the steps of sorting the high speed data according to a generation order, and then packing and compressing the sorted high speed data by type; and constructing compression type interaction class data, and calling a data distribution service to publish the compression type interaction class data. The method and the device for distributing the high speed data provided by the invention can reduce the amount of transmitted data and reduce the data packet transmission frequency.

The invention provides a real-time data communication heartbeat packet pushing method. The real-time data communication heartbeat packet pushing method comprises the following steps that: after initial connection is established between a client and a server, a client application program automatically sends a heartbeat packet to the server, the heartbeat packet sending period is initially set as preset time, and the heartbeat period is continuously prolonged; and when the heartbeat period is prolonged to the longest heartbeat supporting time of equipment, the longest heartbeat supporting time of the equipment is taken as a heartbeat period, heartbeat packets are continuously sent to the server, network disconnection and reconnection are carried out, heartbeat packet messages are pushed to the server again, and the client is pulled up to operate. The real-time data communication heartbeat packet pushing method prolongs the heartbeat packet sending period continuously, explores the longest heartbeat supporting time of the equipment, and takes a previous heartbeat period of the heartbeat period with heartbeat sending failure as the heartbeat period, so that the equipment can be ensuredto be not disconnected, the sending frequency of heartbeat packets can be reduced, the equipment power consumption is reduced, and the power consumption of the client equipment is obviously reduced.

The invention discloses an unmanned motorcade control method based on vehicle state information. A first vehicle is a head vehicle and has acceleration and deceleration control right, and subsequent slave vehicles have no independent control right, that is, acceleration and deceleration processing cannot be carried out, and the head vehicle broadcasts an assignment data packet comprising acceleration control information of each slave vehicle backwards through a wireless channel; and the slave vehicles receive the assigned data packet through the wireless channel, analyze the respective corresponding acceleration information, control the respective driving states and periodically send the respective correction state information and model information to the head vehicle. The state information is estimated through the transmission model, and excessive estimation errors are avoided through the state information correction packet.

The invention discloses a QUIC-based data transmission control method, system and device, and belongs to the technical field of communication, and the method comprises the following steps: S1, a QUIC proxy server obtains a model according to wireless link state information fed back by a wireless access point by adopting a pre-constructed optimal ACK sending frequency, and sends the optimal ACK sending frequency to a wireless access point; the optimal ACK sending frequency corresponding to the wireless link state information fed back by the wireless access point is obtained; s2, after the QUIC proxy server writes the reciprocal of the optimal ACK sending frequency into a corresponding byte bit of an ACKFREQUENCY frame of the QUIC, the ACKFREQUENCY frame is sent to the terminal equipment; s3, after the terminal equipment receives the ACKFREQUENCY frame, the ACK frame is sent to the content server according to a rule specified by the ACKFREQUENCY frame; s4, after receiving the ACK frame, the content server starts a Packing function in the QUIC connection to send service data to the terminal equipment; according to the invention, the optimal ACK sending frequency can be adaptively selected according to the wireless link state information, and the communication overhead is greatly reduced on the premise of ensuring the throughput.