74results about How to "Transmission will not affect" patented technology

The invention discloses a reliable transmission method based on an SDN, relating to the technical field of network communication. The method is mainly applied to a computer network, an information center network and the like. In order to improve a fault-free operation time of the SDN and improve the reliability of network transmission, the adaptive calculation and the simultaneous transmission of data through multiple paths are carried out according to a network resource use condition based on the SDN, at the same time, redundant repeated data packets are processed in a receiving end software switch. Through the above mode, the reliability of network data transmission can be effectively improved, the possibility of network interruption or delay caused by a link failure is reduced, the fault-free operation time of the network is improved, and better quality of network service is provided for users.

The invention discloses a keep-alive method, device and system for a data transmission link. The keep-alive method comprises the following steps: business data is transmitted through a first transmission link between a terminal side and a network side; heartbeat detection data and heartbeat detection response data are transmitted through a second transmission link between the terminal side and the network side, wherein the first transmission link and the second transmission link are in long connection between the terminal side and the network side based on IP (Internet Protocol) network in a same communication network, different TCP (Transmission Control Protocol) ports are used by the first transmission link and the second transmission link on the network side, and the first transmission link adopts a preset keep-alive heartbeat cycle to keep the long connection alive; according to the heartbeat detection data and the heartbeat detection response data, the actual keep-alive heartbeat cycles of keeping the long connection alive of the first transmission link can be determined and the actual keep-alive heartbeat cycles are synchronously transmitted to the first transmission link. By the adoption of the technical scheme, the accuracy of heartbeat detection results can be fairly improved.

The invention discloses a message asynchronous transmission method, device and system. The message asynchronous transmission method comprises the steps: an agent module receives a message sent by a message sending end of network equipment in which the agent module is positioned; the agent module analyzes the received message so as to determine a message queue identity carried by the message; the agent module performs message encapsulation treatment on the content of a message body of the received at least one message which carries the same message queue identity, and the message queue identity; the agent module performs compression treatment on the message body of the encapsulated message, and sends the compressed message to a message agent end; the message agent end and the message sending end are positioned in different network equipment.

The invention discloses a full duplex communication ICPT system based on a shared channel. The system comprises a power supply circuit, a primary side electric energy resonance circuit, a secondary side electric energy resonance circuit and a load circuit. A part of a winding of an electric energy transmitting coil in the primary side electric energy resonance circuit is used as a primary side signal transmission coil, and primary side signal channel circuits are connected in parallel to two ends of the main circuit, thereby forming the primary side signal resonance circuit. A part of a winding of an electric energy receiving coil in the secondary side electric energy resonance circuit is used as a secondary side signal transmission coil, and secondary signal channel circuits are connectedin parallel to the two ends of the circuit board, thereby forming the secondary side signal resonance circuit. A signal resonance network formed by the primary side signal resonance circuit and the secondary side signal resonance circuit is provided with at least two resonance points. According to the invention, the system structure can achieve the electric energy transmission and signal transmission in mutually independent resonant networks, and a part of the electric energy transmission networks has a wave blocking function, so that the signal transmission cannot influence the transmissionof electric energy, and the quality of the signal transmission and the electric energy transmission is ensured.

The invention relates to a cooperative communication method based on a reliable multicast MAC (Media Access Control) layer protocol. The method comprises the following steps of: 1) requesting data from an adjacent target node with good channel quality when an error occurs in the node with a poor channel during transmission, and using the target node as a relay node; and 2) forwarding a data packet to the user of a next article by the relay node, and simultaneously sending the data to the node in which the error occurs through the utilization of wireless communication broadcasting properties. Compared with the prior art, the method has the advantages that reliable communication service can be provided, the total flow of a network is increased, the tree-like transmission properties of multicasting self are sufficiently utilized, and the problem of concealing and exposing stations in wireless communication is successfully solved.

The invention discloses a two-stage splitting router applied to a hierarchical network on a chip and a routing algorithm thereof. The two-stage splitting router is characterized in that a decoding module of the router is set into a multicast routing computation module; and the multicast routing computation module comprises a classification decoding unit YM, a unicast data packet routing computation unit SR, a multicast uplink data packet routing computation unit UR, a multicast downlink data packet routing computation unit DR and an output port register unit. Through adoption of the two-stage splitting router, a hybrid multicast routing algorithm can be optimized and improved at a certain degree, and data in multicast data packets are selectively split and transmitted through a two-stage splitting method, so that delay of the multicast data packets is lowered, and meanwhile the congestion state of an upper-layer network is optimized.

The disclosed scheduling method for grouping access business comprises: RNC acquires due-out flow rate on every high-speed lower share channel according to received NodeB flow rate information and occupied buffer, and schedules access business according to due-out and assignable flow rate. This invention can avoid overload for Iub interface and RNC unit, and eliminates the effect to DCH or CCH from burst high-speed HSDPA transmission.

The embodiment of the invention discloses an LTE-based vehicle-mounted log automatic uploading method and system. An LTE wireless communication mode is adopted as a communication mode of CBTC signal transmission, and the LTE wireless communication mode can support a larger communication bandwidth, so that when the CBTC signal is transmitted, an unoccupied bandwidth can exist for transmitting log data. The second priority of the data transmission of the CBTC signal is higher than the first priority of the log data transmission, so that the log data is only transmitted when the network is idle,the transmission of the CBTC signal is not influenced, and the normal operation of a train is ensured. And each vehicle-mounted device uploads the log data to a log server, and the log server stores the log data of each vehicle-mounted device. And when the log data needs to be searched, the required log data can be searched only through the log server, so that the operation is convenient, the timeis saved, and the working efficiency is improved.

The invention discloses a light packet switching network multi-link fault protection method with a high average node degree. The method comprises the following steps that source-target node pairs which according with a requirement are divided into one group; when a data packet arrives at a source node, the source node copies the data packet and acquires N-1 duplicates of the data packet; then the source node transmits the data packet to a target node through a main path between the source node and the target node and transmits the N-1 duplicates to N-1 relay nodes connected to the source node; a buffer which corresponds to two node pairs and carries out coding exists in each relay node so as to cache the data packet which does not carry out network coding, and when one duplicate of the data packet arrives at the relay node: (a) if the node pair corresponding to a code has no cached duplicate, the duplicate of the data packet is stored in the buffer; if the buffer is full, the duplicate of the data packet is dropped; and (b) if the node pair corresponding to the code has the cached duplicate, the relay node reads the data packet duplicate which is cached longest, carries out network coding with the data packet duplicate which is newly arrived and transmits the data packet to the target node.

The invention provides a transparent encryption method and apparatus of a network application layer. A data encryption method of the network application layer in a data transmission process by cooperatively using a message obtaining module, a depth detection module, an encryption/decryption module and a data transfer module, and transparent encryption is achieved according to a unique processing mode in the method. An efficient and reliable data encryption and decryption method of the network application layer is provided, the encryption and decryption granularity is small, the data size is small, and the parallel processing efficiency is higher; and the encryption and decryption do not change the network message structure of the original data message, and the data transmission is not affected. The possibility of message errors is reduced, and the impact of encryption and decryption on the current network environment is reduced; and rules can be freely configured according to differentservice requirements, the application is flexible, and the transparent encryption method and apparatus are applicable to different network environments.

The embodiment of the invention, which relates to the communication field, provides a method and system for determining a transmission path of a data packet, and apparatuses. Therefore, problems that the determined data packet transmission path is not accurate and the normal data packet transmission is affected because of occupation of lots of network bandwidths during data packet transmission path determination can be solved. The method comprises: a network device determines a data packet; the network device obtains a feature of the data packet and an attribute of the data packet according to the data packet; and the network device sends the feature of the data packet, the attribute of the data packet, and an attribute of the network device to a control device and the control device determines a transmission path of the data packet based on the feature of the data packet, the attribute of the data packet, and the attribute of the network device.

The invention discloses a method used to adjust a packet identifier in transport stream and relates to a digital information processing technology about management and control on satellite digital TV broadcasting in communication field. According to the existing related standard and technology of the satellite digital TV, the invention controls a multiplexer with a front-end control system to adjust the packet identifier in transport stream, sends corresponding order to a safety receiving chip and controls the safety receiving chip to adjust the packet identifier to original value. With the method, the invention has the advantages that the invention can adjust the packet identifier of transport stream uniformly in upflow system, thus resulting in that the equipment without satellite TV safety receiving chip cannot receive legitimate program, which is not only with convenient management but also with higher reliability and security. Therefore, the invention can realize effective management and control on satellite digital TV broadcasting.

The invention provides a driving device of a display panel, a display device, and an operating method thereof. The driving device is composed of a time sequence controller and a plurality of source drivers. The time sequence controller is used for outputting display data and configuration information. Each source drive is coupled to the time sequence controller through a first interface and a second interface. The time sequence controller transmits the display data to the source driver through the first interface and transmits the configuration information to the source driver through the second interface. The first interfaces are different from the second interfaces.

The invention discloses a handling method and a system for a phone bill package. The method comprises the following steps: a phone bill package is sent to charging gateway function (CGF) through a general packet radio service support node (GSN), the phone bill package is a normal package or a suspicious heavy package, a message head of a message which is used for sending the phone bill package comprises a serial number, and a message body comprises burstification time. The GGF sends a response message of receiving the phone bill package to the GSN, and packet transfer response command information cell of the response message is used for identifying whether the response message aims at the normal package or at the suspicious heavy package. By means of the handling method and the system for the phone bill package, under the situation that the network transmission speed is not limited, the solution of the problem that the suspicious heavy package occupies a serial number resource is achieved.

The invention belongs to the field of avionics system airborne networks, and relates to an FC (Fibre Channel) large queue message transmission independence realization method. An FC message sending mechanism is formulated, an FC message sending API interface used for sending application data is included, and the method comprises: extracting application information and application data, obtaining FC sending communication information, assembling the application information and the application data into FC data, assembling an FC data frame, sending the FC data frame and the like. The invention further provides an FC message receiving mechanism. The FC message receiving mechanism comprises an FC message receiving API interface used for receiving application data, analyzing FC data, constructing API interface output parameters and the like. According to the invention, the system application message transmission is independent from the FC network topology structure, the network configurationand the message transmission, i.e., the changes of the system application message planning, the scale and the like are irrelevant to the FC network topology structure, the network configuration and the message transmission.

The present invention provides a file transmission method and device. The method includes the following steps that: a file that is transmitted by a first terminal from the first terminal to a second terminal is stored; whether the second terminal supports file transmission is determined; and if it is judged that the second terminal supports file transmission, the stored file is sent to the secondterminal. With the file transmission method and device of the invention adopted, the problem that WI FI terminal-file transmission cannot be carried out when one of a sending party and a receiving party is not online during the WI FI terminal-based file transmission in the prior art can be solved.

The embodiment of the invention discloses information transmission method between equipment, and relates to the technical field of a computer. The method is used for achieving the effects that when first equipment sends a message to second equipment, the first equipment backups the sent message; and when interruption occurs between the equipment, through the backup message, the communication between the equipment is fast restored. The method comprises the following steps of obtaining the message to be sent; numbering the message to obtain a message number set, wherein one message number is recorded for each piece of message to be sent; performing progressively increasing arrangement on the message numbers according to the sending sequence of each message; storing the message in a cache ofthe first equipment to obtain the backup message; and sequentially sending the message to the second equipment on the basis of the message number set. Besides the method, the embodiment of the invention correspondingly discloses a transmission device between the equipment, electronic equipment and a storage medium.

The invention discloses a high temperature resistant flexible power control composite cable. The high temperature resistant flexible power control composite cable comprises a control signal cable and an electric cable; the control signal cable comprises multiple control signal units and a polyester belt layer which is used for coating the multiple control signal units; the electric cable comprises multiple electric power transmission units and an inner protective layer, an armor layer and an outer protective layer which are used for sequentially coating the multiple electric power transmission units; the control signal cable is arranged at a gap formed by the multiple electric power transmission units; an inner metal wire weaving shielding layer is composited on the inner wall of the inner protective layer; the outer wall of the outer protective layer is also coated with an outer metal wire weaving protective layer; the outer surface of the polyester belt layer of the control signal cable is also sequentially coated with the metal wire weaving shielding layer and an outer polyester belt protective layer. Due to the adoption of the structure, the high temperature resistant flexible power control composite cable has the advantages of being capable of effectively shielding higher harmonic and electromagnetic interference generated in the running of the electric power transmission units, having no influence on transmission of control signals and having good high temperature resistant performance.

An embodiment of the invention discloses a physical layer steganography transmission method and a physical layer steganography transmission system, wherein the physical layer steganography transmission method and the physical layer steganography transmission system belong to the field of communication technology. According to the physical layer steganography transmission method, in each transmission of a steganography signal, after a signal transmitting end performs channel coding on a carrier signal, the upper limit of a steganography capacity is determined; furthermore a random sequence is generated for indicating the embedding position of a first hidden signal in the coded carrier signal; then the first hidden signal is embedded into the carrier signal according to the generated random sequence for obtaining the steganography signal, wherein the length of the first hidden signal is not larger than the upper limit of the steganography capacity; and finally the transmitting end sets a transmission identification in the steganography signal and performs modulation for transmitting out. Therefore the transmitting end dynamically and adaptively adjusts the maximal length of the first hidden signal which is embedded into the carrier signal each time. A to-be-transmitted second hidden signal with relatively long length can be transmitted in multiple times so that the steganography signal cannot be easily doubted by an adverse monitoring end, thereby improving safety in transmission of the hidden signal.