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.

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 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.

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 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.

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 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.