108results about How to "Increase sending rate" patented technology

A method and apparatus for parallel and adaptive signal reconstruction from a multitude of signal measurements. Algorithms and hardware are disclosed to denoise the measured signals, to compress the measured signals, and to reconstruct the signal from fewer measurements than standard state-of-the-art methods require. A parallel hardware design is disclosed in which the methods that are described can be efficiently executed.

A method and apparatus for parallel and adaptive signal reconstruction from a multitude of signal measurements. Algorithms and hardware are disclosed to denoise the measured signals, to compress the measured signals, and to reconstruct the signal from fewer measurements than standard state-of-the-art methods require. A parallel hardware design is disclosed in which the methods that are described can be efficiently executed.

The invention discloses a network card drive-based zero copy Ethernet message capturing and transmitting implementation method under Linux. The method comprises the following steps of: 1, mapping the whole physical memory to a user process space by using a user process; 2, managing message received by a message driving module and message to be transmitted by the message driving module in a queue mode; 3, isolating the influence of discrimination of various network card drives on the user process by using the message driving module; and 4, after the various network card drives are loaded successfully, registering equipment and related operating methods to the message driving module. The method is implemented layer by layer so that the method can simultaneously support multiple types of network cards and is easy to add support for new network cards. The method can realize high-performance message capture and transmission without one-time copy in the message capture and transmission process, and is suitable for the situations with high requirement for transceiving of the message such as network traffic monitoring and analysis and the like.

The invention discloses a two-layer block control method of wireless network, comprising that A, current network node detects self block condition and executes step B when in block, B, current network blocked node sends a block control message with self block condition to connected an ascending network node or a nearby node, C, the network node receiving the block control message, according to the block condition adjusts local node transmission speed. The invention makes clear block detection, message sending, and block control, to be directly used in real network, as wireless multi-jump network which comprises wireless network, mobile Ad hoc network and wireless sensor network or the like, thereby reducing local block.

The invention relates to a data transmission accelerating engine method based on multiple access passages of a transmitting end, which comprises the following steps: after a transmitting end host machine downloads a data packet from an application layer, carrying out TCP multiplexing encapsulation; then delivering the data packet to a TCP / IP protocol stack of a host machine operation system to process; transmitting an encapsulated IP datagram formed by an IP layer to a link layer and then to a physical layer; arriving at a data receiving party by an intermediate routing and demultiplexing by the receiving party. The method is characterized by comprising the following steps: arranging a data transmission accelerating engine between the IP layer and the link layer; grouping the data to be transmitted of the IP datagram according to a mark bit in an IP masthead; then detecting the flow load condition of all transmission passages of the grouped datagram groups by a load balancing module; carrying out predistribution calculation by a corresponding flow distribution algorithm and distributing a data flow to be transmitted to all available transmission passages to transmit in parallel; and finally appointing the predistributed datagram groups to different network interface devices by a data dispatching module.

The invention discloses a congestion control method, a wireless netted network node and a system. The congestion control method comprises the following steps: receiving a congestion notification frame which is sent by a downstream node and carries the congestion price which corresponds to each access category data, wherein the congestion price which corresponds to each access category data is determined by the downstream node according to the transmission condition of each access category data of the downstream node; determining the optimized sending rate of each access category data according to the congestion price; and adjusting the sending rate of each access category data according to the optimized sending rate. Through the invention, the probability of congestion can be reduced, and the packet loss ratio of low priority traffic is effectively reduced on the basis of ensuring the quality of high priority traffic.

The invention discloses a data sending method and a computer. The data sending method comprises the following steps: each of a plurality of CPUs (central processing unit) stores the data to be sent in data storage areas which correspond to the CPUs, the plurality of CPUs send the data stored in the corresponding data storage areas to a network card, and the network card sends the data. Because each CPU core accesses the respective data storage area and writes in the data, the processing capacity of the multi-core CPUs can be fully utilized, parallel transmission of data packets is realized, the data packet transmission speed can be effectively increased, the data packet transmission efficiency can be improved, and the situation of high-speed transmission of the data packets by Gigabit network cards and the like can be handled.

The present invention provides a communication method and a communication device. The communication method includes the following steps that: at least one serving cell is configured for each terminal, wherein each serving cell operates on an unauthorized carrier; at least one serving cell is selected from the at least one serving cell so as to be adopted as the primary cell or primary auxiliary cell of each terminal, so that the primary cell group or the primary auxiliary cell group of each terminal can be formed; and master information blocks are sent to each terminal through the primary cell group or the primary auxiliary cell group. With the communication method and communication device provided by the technical schemes of the invention adopted, the transmission probability of the master information blocks on the primary cell group or the primary auxiliary cell group on the non-authorized frequency band can be improved, and therefore, it can be ensured that a user can receive the MIBs in time, and time synchronization can be carried out according to a system frame number in the MIB, and thus, the normal proceeding of communication can be ensured, and delay and efficiency requirements of the communication can be satisfied.

The invention provides a communication method and a communication device. the communication method comprises steps: at least one service cell is configured to each terminal, and each service cell works on an unauthorized carrier; at least one is selected from the at least one service cell as a main cell or a main auxiliary cell for each terminal to form a main cell cluster or a main auxiliary cell cluster for each terminal; and according to the main cell cluster or the main auxiliary cell cluster, communication with each terminal is carried out. The technical scheme of the invention can improve the signal transmission probability in the main cell cluster or the main auxiliary cell cluster on the unauthorized carrier, the main cell cluster or the main auxiliary cell cluster can thus be ensured to transmit and receive necessary information and data timely and effectively, and communication time delay and efficiency requirements can be met.

The invention discloses a transmission method and device for PRACH (Physical Random Access Channel) signals in LTE-U (Long Term Evolution-Unlicensed). The method and the device are used for enhancing channel access of the PRACH signals. The method comprises the steps that a terminal carries out LBT (Listen before Talk) detection before each candidate resource configured in transmission resources until it is detected that a current channel is idle, according to the configuration information of the transmission resources for transmitting the PRACH signals; and the terminal sends the PRACH signals on the corresponding candidate resources when it is detected that the current channel is idle. According to the method and the device, the plurality of candidate resources are configured in the transmission resources for transmitting the PRACH signals, so when it is detected that the current channel is idle, the terminal can send the PRACH signals on the corresponding candidate resources, the sending probability of the PRACH signals is improved, and the channel access of the PRACH signals is enhanced.

The invention provides a transmitting speed adjusting method in a wireless local area network and a device using the same. According to the method, a conflict factor related to cochannel active equipment is introduced into a current rate adaption method, so that the influence of multiple pieces of wireless communication equipment in the same wireless channel can be considered, the performance of the wireless local area network when the wireless local area network has a plurality of users is improved, and better user experience is brought to the users.

A method for transmitting multicast frame in radio local area network includes sending multicast message to radio access device by multicast source, seeking multicast member listing by radio access device and replacing multicast destination address of multicast message by MAC address of each member client end in multicast set one by one if multicast set corresponding to multicast message has multicast member client end in listing then sending said multicast message to member radio client end in multicast set by radio access device. The system used to realize said method is also disclosed.

The invention provides a network streaming media server and a low-bandwidth high-quality solution thereof for solving the problem that pictures are unsmooth under low bandwidth. The low-bandwidth high-quality method comprises the following steps of: detecting the network bandwidth in real time; adjusting the probability of occurrence of key frames in real time in the encoding process according to the network bandwidth; and / or adjusting the transmitting probability of the key frames in the transmission process in real time. Even if the key frame is lost, the next key frame can rapidly make up the gap. Therefore, the decoding cannot be influenced, the pictures for video display cannot be stagnated for a long time, the browsing smoothness for a user is guaranteed, and the quality of video images is improved.

The invention discloses a task perception based transmission control method for a data center network. The method includes steps: a sending end in a communication process calculates current network available bandwidth according to explicit feedback information and adjusts a sending rate according to the current network available bandwidth and a sent flow trailing degree, a router feeds back network loads through packet header ECN information, and a receiving end redisplays the ECN information and calculates predicted task completion time; the sending end calculates the trailing degree according to the predicted task completion time carried in ACK by the receiving end and predicated flow completion time calculated by the sending end, and the tailing degree and the explicit feedback information jointly serve as bases for sending rate adjustment. By combination of end-to-end task information and network congestion information feedback, extra control cost is avoided, deployment difficulty is lowered, protocol universality is improved while short task completion time and high throughput rate are guaranteed, and accordingly waiting time after request sending is shortened for users.

The invention discloses a channel reuse method of the third generation mobile communication long-term evolution system. The invention, which relates to channel reuse technology, is put forward to solve the unclear channel control of the LTE system. The adopted technology scheme is as follow: the control channel is arranged in the anterior symbols of the sub frame, the traffic channel is arranged in the rest sub frame symbols; A diversity mode is adopted to control the channel to send system control information, and the reuse mode is adopted to send business data on the traffic channel. The invention also discloses a device to realize the method. Not only can the reliability of sending system control information be ensured, but also the transmission rate of the business data is higher. Arranging the control channel in the anterior symbols of the sub frame is beneficial to reduce the UE receiving delay.

The invention particularly relates to a message pushing method based on RabbitMQ. According to the RabbitMQ-based message pushing method, a message confirmation mechanism, a timed task mechanism and aproducer consumption confirmation mechanism are optimized. According to the RabbitMQ-based message pushing method, the confirmation process of a producer and the confirmation process of a consumer inRabbitMQ are combined and optimized, so that the producer can know that the consumer successfully receives a message more stably, and the sending rate of a persistent message is increased. In the consumer confirmation process, the consumer confirmation process is optimized; the situation that the consumer refuses the message is processed; the consumer can be prevented from receiving repeated messages; the overall performance of the system is greatly improved; and the stability is better.

The invention provides a terminal, a server and a method based on a webpage print bar code. The terminal comprises a request generating unit, an interaction unit and a print service control unit. The request generating unit is used for generating a first print request of the appointed bar code when a print order of the appointed bar code in a webpage is received; the interaction unit is used for sending the first print request to the server so that an order file for printing the appointed bar code can be generated by the server according to the first print request and a download address of the order file sent by the server can be received; the print service control unit is used for controlling a print service, downloading the order file from the server according to the download address and sending the order file to a printer, and therefore the appointed bar code is printed by the printer. According to the technical scheme, the convenience of code bar printing of the webpage is achieved, the limit of an operation system is avoided, and the expandability of a system is improved.

The invention provides a data transmission method and a data transmission device based on multiple system networks. By the method, data packet sending rates suitable for air interface states of a first system network and a second system network are determined by detecting the air interface states of the first system network and the second system network; data packets are distributed to the first system network and the second system network according to the determined data packets, so that the data packets can be jointly transmitted to users through the two system networks; the bandwidths of the first system network and the second system network are fully used; the data transmission rate is increased; moreover, by detection of the air interface states of the system networks, the data transmission rates of multiple system networks can be flexibly and dynamically adjusted; and the data transmission reliability is improved.

This invention discloses one HRPD group set communication system send signal method of CDMA modulation, which comprises the following steps: in the HRPD front signal channel, dividing the signal channel into multiple set special control signal channels by use of CCShortPacketsMACIndex property; in establishing of set group base station divides each set to align one special control channel with each set belonging to self terminal control signal channel and with relative front terminal simultaneous pack.

The embodiment of the invention discloses a report sending method, a report sending device and a report sending system based on big data analysis. The method comprises the following steps: recording configuration information of a report; sending a check task in the configuration information to an off-line big data analysis platform, and obtaining a check result obtained by the platform running the check task; judging whether the check result meets the check standard in the configuration information; if the check result meets the check standard, sending calculation tasks in the configuration information to the platform, monitoring the running of each calculation task, storing calculation results of the successfully run calculation tasks into a database, and resending the failed calculation tasks to the platform; after confirming that all the calculation tasks run successfully, extracting the calculation results from the database, and generating the report according to a report template; sending the report to a receiver. According to the report sending method, the report sending device and the report sending system based on big data analysis, no person needs to participate the whole report generation and sending processes, so that the human resources are saved, the report generation and sending rate is increased, and the reliability is improved.

The invention discloses a dynamic weighted event processing system and method. The system comprises an event collector, event analyzers, event processing buffers and an event sending manager. The event collector acquires events to be processed from event sources; the event analyzers process the collected events; the event processing buffers cache the events to be sent which are processed by the corresponding event analyzers, receive the events sent by the event analyzers, and send the events to be sent which are required by a request of the event sending manager; the event sending manager prepares the events which need sending from all the event processing buffers according to weight acquiring and sending events, and dynamically regulates weights of all the event processing buffers to guarantee that delays of the events in all the event processing buffers are approximate; after acquiring the events from all the event processing buffers, the event sending manager caches the events in an event sending buffer so that the events can be sent together in an event sending channel. By means of the dynamic weighted event processing system and method, when event information of multiple event sources is processed concurrently, event processing delays of all the event sources can be approximate as much as possible at the same time.

The present invention provides a data transmission method and device. The method comprises: a sending terminal performs redundancy encoding of data in a data set to be sent at present according to the redundancy encoding parameters corresponding to the data set to be sent at present; and the sending terminal sends the data in the data set to be sent at present after redundancy encoding to a receiving terminal. The data transmission method and device can reduce the packet loss probability of the sending terminal sending data to the receiving terminal, reduce the probability of repeatedly sending data to the receiving terminal and improve the data sending speed.

A method and apparatus for parallel and adaptive signal reconstruction from a multitude of signal measurements. Algorithms and hardware are disclosed to denoise the measured signals, to compress the measured signals, and to reconstruct the signal from fewer measurements than standard state-of-the-art methods require. A parallel hardware design is disclosed in which the methods that are described can be efficiently executed.

The invention provides an adaptive method and system specific to an intermittently-connected unmanned aerial vehicle Ad hoc network. The adaptive method comprises the following steps: S1, initializingparameters; S2, dynamically updating the positions and velocity vectors of nodes; S3, randomly selecting a source node and a destination node to obtain the position of the destination node, and starting to forward a data packet from the source node to the destination node; and S4, selecting a forwarding node for forwarding the data packet according to a mobility auxiliary route forwarding strategy till the data packet arrives at the destination node. According to the adaptive method and system, the positions of neighbor nodes and all nodes in the network are updated respectively through a dynamic position updating strategy, so that the overhead is reduced greatly, and meanwhile relatively high real-time performance is achieved. On the other hand, the data packet is transmitted to the destination node by means of the mobility of the nodes through the mobility auxiliary route forwarding strategy, so that the data packet discarding probability due to intermittent connection is lowered, and the data packet transmission rate is increased effectively.

A coating membrane forming method for forming a coating membrane on an object to be coated, the method comprising the steps of: setting the object to be coated for forming a coating membrane thereon in a dipping tank; sending an application liquid for forming the coating membrane into the dipping tank to raise a liquid level of the application liquid till the top of a region for forming the coating membrane thereon in the object to be coated is immersed in the application liquid; and thereafter discharging the application liquid outside the dipping tank to lower the liquid level of the application liquid.

The invention discloses a TCP congestion control method and device. The method comprises the steps that a base station periodically calculates the average queue time delay of a user terminal in a current period, calculates a TCP parameter corresponding to each service flow in all service flows contained in the user terminal, and obtains a TCP parameter set; the base station sends TCP data to the user terminal, wherein the TCP data comprises average queue time delay and a TCP parameter set; and the user terminal receives the TCP data sent by the base station, and adjusts the congestion window corresponding to each service flow in all the service flows contained in the user terminal according to the TCP data. Visibly, the congestion window is adjusted through the TCP data fed back by the base station, and the possibility of long queues caused by communication data loss is reduced, so that the queue delay of the user terminal is effectively reduced, the data sending rate is favorably improved, and the effects of improving the network congestion and improving the network utilization rate are facilitated.

The invention discloses a task transmission congestion control method in a DCN (Data Center Network). Sending rates of small tasks and trailing streams in the tasks are accelerated according to data volume sent by current tasks and streams. According to the method, a congestion phenomenon resulting from big tasks in the DCN and a task trailing phenomenon resulting from few slow streams are avoided, the average finishing time of the tasks is effectively reduced, and the integrated performance of a network application is improved.

The invention discloses a 5G message batch sending method and device based on a message queue and electronic equipment, and the method comprises the steps: receiving a file imported by a user, and the file comprises a mobile phone number; extracting the mobile phone numbers in the file, and sending the mobile phone numbers to a message queue in batches; storing and distributing the mobile phone number through the message queue; and receiving the mobile phone numbers in the message queue, and sending 5G messages to the mobile phone numbers in batches. According to the method, the mobile phone numbers are stored and distributed by using the message queue, the 5G messages can be sent in batches, the problem that the sending rate is reduced when the 5G messages are sent in batches in the prior art is solved, and the sending rate of the 5G messages is improved while the imported batch mobile phone numbers are rapidly processed.

The invention relates to a design of industrial communication network gateway equipment. The equipment can adapt to the fusion of an industrial information communication technology, and can meet the requirement that an industrial network develops in a direction of large-scale complicated Internet of things. The gateway equipment can realize the mapping from downlink unicast, multicast and broadcast service packets of an industrial network to communication broadcast data packets and the mapping from uplink unicast and broadcast data packets to unicast service packets through a package transfer mechanism, through such a measure, the downlink equipment addressing problem can be solved in a certain extent, and the transmission bandwidth of a backbone network can be saved; meanwhile, through a compression technology, information such as fixed service in the service packets and unchanged addresses in the data packets can be combined to be compressed. Therefore the transmission bandwidth at the communication transmission layer can be saved, the communication utilization rate can be improved, and particularly, a wireless transmission technology is used.