70results about How to "Implement parallel transfer" patented technology

The invention discloses an optical signal sending system, a receiving system, a method and a communication system. According to the invention, laser signals from a light source can be divided into a plurality of channels of laser sub-signals. The to-be-sent electric signal of each branch of all optical signal generating branches is loaded to the laser sub-signal of the branch to be modulated, andthen various optical signals different in power are formed. The signals are transmitted to an optical signal receiving system through multi-core optical fibers. Based on different powers of all branches of optical signals, the optical signal receiving system modulates the optical signals through the serial demodulation process so as to obtain signals respectively transmitted through all optical signal generating branches. According to the invention, the requirement on the hardware number of a transceiving system is low, and the usage of an active photoelectric device is reduced. The cost, thespace and the power consumption of the system are reduced. The parallel transmission of multi-channel data is realized through multi-core optical fibers, and the space utilization rate and the totaltransmission rate of the system are improved. Through adopting the serial demodulation, the correct demodulation of multi-channel signals is realized. The frequency spectrum efficiency of the system is improved. The invention is particularly suitable for the large-capacity and short-and-intermediate-distance communication transmission.

The invention provides a spread spectrum-OFDM mixed system, comprising: OFDM and spread spectrum mixed transmitter comprising spread spectrum communication channel unit and OFDM communication channel unit, processing signaling signal through the former and communication data through the latter, respectively, and sending out the processed signaling signal and communication data; OFDM and spread spectrum mixed receiver comprising spread spectrum communication channel unit and OFDM communication channel unit, obtaining the signaling signal from the received signal by processing of the former and the communication data by processing of the latter, respectively. And the invention can make signaling signal and communication data concurrently transmitted, avoiding the signaling signal singly occupying the rare wireless communication resources of the base station system.

The invention provides a file transmission method based on a distributed storage system. The method includes the following steps: proposing a channel multiplexing mechanism, i.e., packaging a plurality of small files, conducting transmission by using data connection channels after the packaging, thus reducing the time spent for frequently establishing connection and greatly increasing the speed in transmitting bulks of small files; for the transmission of large files, using the method of patch transmission; upon transmitting files, based on the file patch method, dividing a file into a plurality of file patches, orienting the file patches into a large file buffer queue, which is equal to performing storage to a server and realizes parallel transmission of the file; the server acquiring the position information of the file patches, establishing a plurality of connections to perform transmission, reconstituting the file patches into a complete file. The method increases the entire transmission efficiency and has more reliable transmission.

An intelligent integrated access device for satellite communication and wireless communication and an operating method relate to the technical field of wireless communication. The intelligent integrated access device is characterized in that a first heterogeneous integrated access and control module is respectively connected with a first multi-interface adaptive module, a first automatic antenna tracking control/driving module, a first satellite channel module, a first 3G access module and a first inter-vehicle wireless access module, a first multiband antenna interface module is respectively connected with the first 3G access module and the first inter-vehicle wireless access module and is connected with a multiband antenna through a multiband antenna interface, the first automatic antenna tracking control/driving module is provided with an antenna control and driving interface, and the first satellite channel module is provided with a satellite transceiving intermediate frequency interface. The intelligent integrated access device enables satellite communication to convert from emergency communication into normalization, so that wireless network coverage of 'integration of space and earth' is realized, and application such as emergency communication, link backup, integrated transmission of the internet of things and the like with high reliability and high cost performance is provided.

The invention, which belongs to the technical field of wireless communication, puts forward an angular-domain digital wireless communication system and a realization method thereof. With the system and method, a problem of capacity expansion of the existing communication system is solved. At a system transmitting terminal, code element sequences of multi-path to-be-transmitted binary digital signals are mapped to a plurality of corresponding beam emergence angles of an array antenna in a concurrence mode based on a binary angular shift key control technology, so that parallel angular-domain modulation of multi-path binary digital signals is realized. At a system receiving terminal, on the basis of a pseudo-spectrum-estimation-based angular domain demodulation method, spectral peak searching is carried out on a space pseudo spectrum of an incoming wave signal, a positioning wave beam arrives at an angular domain sub zone where an angle is located, and spatial incoming wave signal demodulation is realized by determining the incoming wave signal strength. With the provided system and method, the spatial multiplexing ratio of frequency spectrum resources and the communication system capacity can be improved obviously.

The present invention relates to a data packet forwarding processing method in an access gateway, comprising: an access gateway receiving a data packet; the access gateway performing learning based on a source MAC address of the packet and constructing a MAC forwarding table; the access gateway querying whether a destination MAC address of the data packet is in a MAC forwarding table of a terminal that is registered, and if yes, performing transmission optimization based on a channel situation of the terminal: for an IP channel, performing transparent transmission, for a QAM channel, performing MPE/TS encapsulation, and for other channels, performing corresponding processing based the channel situation of the terminal; otherwise, the access gateway continuing to query whether the destination MAC of the data packet is in a MAC forwarding table of a terminal that is not registered, and if yes, the access gateway forwarding the data packet to a corresponding port based on a corresponding MAC forwarding table entry in the MAC forwarding table of the terminal that is not registered; otherwise, the access gateway broadcasting the data packet to all other ports except a port that receives the data packet.

The invention relates to the technical field of wireless electric energy transmission, and particularly discloses an energy signal simultaneous transmission structure and a dynamic wireless energy transmission system. The system comprises a transmitting end and a receiving end. The transmitting end is an energy signal simultaneous transmission structure and comprises a plurality of sections of guide rail type wireless energy transmitting coils and primary side signal coils overlapped with the guide rail type wireless energy transmitting coils, and each section of guide rail type wireless energy transmitting coil is of a Q-shaped energy transmitting coil structure; the primary side signal coil is integrally arranged in parallel to form a DD type primary side signal coil structure in the width direction relative to the multi-section guide rail type wireless energy transmitting coil; the receiving end comprises a secondary side signal coil and a wireless energy receiving coil, the secondary side signal coil is arranged to be of a DD type secondary side signal coil structure, and the wireless energy receiving coil is arranged to be of a Q type energy receiving coil structure. A DD typecoil and a Q type coil are adopted in a signal transmission channel and an energy transmission channel respectively, and due to the fact that the DD coil and the Q coil can achieve natural decoupling, parallel transmission of energy and signals is achieved.

The invention discloses a vehicle-mounted data transmission method, which is applied to vehicle-mounted equipment and comprises the following steps: acquiring a current to-be-sent data packet and thedata length of the current to-be-sent data packet; judging whether the data length of the current to-be-sent data packet is greater than a preset length or not; if the data length of the current to-be-sent data packet is not greater than the preset length, sending the current to-be-sent data packet to a receiving end; and when the sending is finished, entering a sending finishing state of the current to-be-sent data packet, and obtaining the next to-be-sent data packet by the vehicle-mounted equipment. The invention further discloses the vehicle-mounted equipment. According to the vehicle-mounted data transmission method and the vehicle-mounted equipment provided by the invention, after the current channel calls the sending function to send the current to-be-sent data frame, the sending function is quitted, so that the next channel calls the sending function to send the next data frame, parallel transmission of multiple channels is realized, and the data transmission efficiency is improved.

The invention provides a double CPU electric energy quality monitoring device based on a DSP and an ARM, comprising a parameter collection module and a data processing module. The parameter collection module comprises a voltage current transformation circuit, a zero-cross detection circuit, a phase-locked loop circuit, a low-pass filtering circuit and an A/D converting circuit. The data processing module comprises a DSP engineering module and an ARM engineering module. The parameter collection module is mainly responsible for collecting the voltage current signal of a power grid in real time, and sending the collected signal to a DSP through the A/D converting circuit. The DSP engineering module is responsible for calculating a plurality of electric energy quality parameters after receiving the data, and then transmitting the calculated electric energy quality data to the ARM engineering module through a double port ARM. The double CPU electric energy quality monitoring device guarantees real-time monitoring, and meanwhile possesses a higher sampling rate and an accurate and high-speed data transmission function; in addition, the double CPU electric energy quality monitoring device possesses greater functional modules, and can realize external data storage, wireless communication, touch screen control and alarm.

The invention relates to a multiple access mechanism, which is based on orthogonal frequency division multiplexing (OFDM) platform and utilizes a wireless frequency domain characteristic so as to realize parallel transmission of effective data and coordination information. And the mechanism enables a transmission coordination problem of multiple accesses in a wireless network to be effectively solved. According to the invention, an interference transmitting module is placed in a transmitting terminal as well as an interference detection module, an interference elimination module and an attached information analysis module are placed in a receiving terminal, so that a new multiple access mechanism. On the basis of utilization of the new added modules, a small amount of information can be loaded in an interference signal by special compilation; and detection, separation and reduction are carried out on effective data and the interference signal at the receiving terminal; and at last, parallel transmission of the effective data and coordination information is realized; therefore, network resources will not be consumed additionally; and meanwhile, multiple access transmission coordination in a wireless network can be effectively realized and a problem of low utilization rate in a current standard can be solved.

An InGaN-based micron LED photoelectric detector array comprises a substrate and a plurality of micrometer LED devices distributed on the substrate in an array mode, and the basic structure of each micrometer LED device is n-GaN, InGaN/GaN quantum well, p-GaN epitaxial layer structure; the sizes of all the micrometer LED devices are equal or different and are in any shape, the typical size of theround micrometer LED ranges from 1 micrometer to 500 micrometers, and the substrate of the micrometer LED is any substrate. In addition, the photodetector array can also be used for display, illumination and solar cells. The photodetector array of the present invention can be used for high speed parallel visible light communication, and has a low bit error rate at several Mbps to several Gbps through a photodiode array of different sizes of 1 to 100 [mu]m.. The micrometer LED can be used for a transmitting device and a receiving device for high-speed optical communication, can realize parallel data transmission, and can convert received optical signals into current to be used as a solar cell to realize self power supply.

The invention relates to a multi-channel data sending method and device, a multi-channel data receiving method and device and a data transmission system. The multi-channel data sending method comprises the steps that handshake authentication is completed with a receiving end; when the to-be-transmitted data conforms to a preset data format, allocating a corresponding channel to the to-be-transmitted data; and sending the to-be-transmitted data to the receiving end through the allocated channel. According to the invention, each part of to-be-transmitted data is sent through the allocated corresponding channel, multi-channel parallel transmission can be realized, the transmission process does not interfere with each other, congestion can be avoided when more data is transmitted, the transmission speed is greatly improved, and the requirement of the whole Internet of Things system on the transmission efficiency is met.

The invention discloses a file transmission method. The file transmission method comprises the following steps: segmenting a first target file into a plurality of file fragments; determining a fragment serial number of each file fragment, and writing the fragment serial number into data header information of the corresponding file fragment; and calling a preset number of transmission threads to transmit the file fragments to a file receiving end in parallel, so that the file receiving end integrates according to the data header information of the file fragments to obtain the first target file.According to the invention, the file transmission efficiency can be improved on the premise of ensuring the file integrity. The invention further discloses a file transmission system, a storage medium and electronic equipment, which have the above beneficial effects.

The invention discloses a data access method based on a BCube(n,b) data center. The method is applied in a multi-copy system, and includes the steps of determining at least one group of first nodes, wherein the numbers of all bits between every two first nodes in each group are different; determining a transmission route between a second node and each first node according to the second node and the first node; transmitting the data stored in each second node through the corresponding transmission route to the corresponding first node in parallel. Through the method, parallel transmission of the data can be realized, the data transmission time is saved, and the data transmission efficiency is improved.

A multi-core remote component relates to the technical field of solution to optical signal transmission based on the fiber-to-the-tower (FTTA) technology. The multi-core remote component includes an MTP/MPO connector, a multi-core branch device, a branch armored protection tube, a multi-core high-density remote cable, and a plurality of LC duplex connectors. The multi-core high-density remote cable is connected with the MTP/MPO connector and the LC duplex connectors. The MTP/MPO connector and the LC duplex connectors are further connected with the multi-core branch device. The branch armored protection tube is arranged on the multi-core high-density remote cable between the MTP/MPO connector and the multi-core branch device. Parallel transmission of digital signals between an RRU (Radio Remote Unit) and a BBU (Building Baseband Unit) is realized. The multi-core remote component has the advantages of being resistant to bending and compression and anti-rat-bite.

The invention discloses an optical transceiver which comprises a management unit, a management signal driving unit, a crisscross output management unit, a driver, an optical transmitter, an optical receiver, an amplifier and a management signal recovery unit. The optical transceiver relies on the modulation way of the driver, thereby simply and effectively merging management signals with data signals; and the management signals are recovered at the receiving end of the optical transceiver through low-pass filtration and dynamic comparison way, compared with the existing scheme, the implementation way is more simple and high-efficient, and the cost control is more effective.

The invention provides a data transmission method, a data receiving method, a data transmission device and a data receiving device. The data transmission method comprises the following steps of obtaining IQ (Intelligence Quotient) data from a main memory, detecting whether non-IQ data needs to be transmitted, and obtaining the non-IQ data from the main memory when the non-IQ data needs to be transmitted; packaging the non-IQ data according to an appointed packet format and adding a packet start marker; respectively mapping the IQ data and the non-IQ data to different appointed time slices according to initially-configured antenna carrier AxC distribution information; and transmitting data on each time slice according to the appointed protocol format. According to the data transmission method, the data receiving method, the data transmission device and the data receiving device, the suddenly-lengthened packet data can be transmitted on a transmission protocol which is good at stream transmission of the IQ data.

The invention provides a coarse-grained reconfigurable array parallel instruction configuration device and a processor. The device comprises an instruction issuing unit, a processing unit, a switching network and a path control unit, the switching network adopts a butterfly structure and is provided with n input ports and n output ports, the N output ports of the instruction issuing unit are respectively connected with one input port of the switching network, and the M processing units are respectively connected with one output port of the switching network; the path control unit outputs corresponding control codes to the switching network to enable the n input ports and the n output ports to be communicated in a one-to-one correspondence mode, and therefore instructions sent by the instruction issuing unit from the output ports are transmitted to the processing unit in parallel through the switching network. Parallel transmission of instructions can be achieved, and the instruction transmission speed is increased; compared with a crossbar structure, the number of connecting wires and the number of switching units are greatly reduced, and the hardware cost is reduced.

The invention relates to a data transmission method between a service terminal and a service master station belonging to the field of e electric power communication. The method comprises the followingsteps: when the service terminal needs to send data to at least two service master stations; a corresponding data packet is directly sent to the wireless terminal; the wireless terminal does not needto establish TCP connection between the service terminal and the service master station; the data packet is directly forwarded; the data packet is sent to a core network through a base station, thecore network carries out data packaging on the original uplink data packet and the set additional information of the core network; transmission to data conversion device, the specific sending object is confirmed by the server; sending the original uplink data packet to a corresponding service master station. Compared with the serial transmission of the data packets in the prior art, the data transmission method can be used for respectively sending the data to the plurality of service master stations, which is equivalent to the parallel transmission of the plurality of data packets, so that the transmission efficiency of the data can be improved, and the total data transmission time of the transmission of the plurality of data packets can be reduced.

The invention provides a network transmission method for mobile terminals. The method comprises the steps that images collected by the mobile terminals are encoded, geographic position data are organized according to the predefined format, communication connection between the mobile terminals is built up, and image data and the geographic position data are packaged in an RTCP packet for network transmission. According to the network transmission method for the mobile terminals, parallel transmission of multimedia and location information is achieved, meanwhile, a safe structure is adopted for encrypted transmission, the processing pressure of the terminals is reduced, and user experience is improved.