126results about How to "Realize transparent transmission" patented technology

The invention relates to a GPU (graphic processing unit) hardware configuration management problem in a heterogeneous system in the technical field of computer communication, and in particular relates to a multi-GPU interconnection system structure in the heterogeneous system. In the multi-GPU interconnection system structure in the heterogeneous system, based on a mixed, heterogeneous and high-performance computer system which is combined by multi-core accelerators and a multi-core universal processor, multiple multi-core accelerators, as well as between multiple multi-core accelerators and the multi-core universal processor are subjected to multistage interconnection by adopting multi-port exchange chips based on PCI-E (peripheral component interconnect-express) buses, and a multistage exchange structure which is reconfigurable to an external interface is formed. The multi-GPU interconnection system structure in the heterogeneous system provided by the invention solves the high-speed interconnection problem between the multiple GPUs and between the multiple GPUs and the CPU in the traditional heterogeneous system, is a hardware system structure with flexibility and expandability, supports the expandability and interface flexibility and realizes transparent transmission and memory sharing.

The invention provides a relay method in the wireless switch system which includes following steps: receiving the descending data from the base station; and the descending data includes the control information for the relay operation; building the resending ascending data; according to the configuration of control information resends the descending data, on the ascending direction, according to the configuration of control information receives the ascending data from the wireless communication terminals; recovering the ascending data in the wireless communication terminal; and resending the ascending data to said base station according to the configuration in the control information. The invention also provides base station, relay device and wireless relay system. By the invention, the base station can control the several wireless relay systems concentrately, and it can reduce the complexity of relay device, and realize the transparent transmission for the wireless communication terminals.

The present invention discloses a time synchronism method, includes master node transmits synchronization time information to sub-node by segment spending; sub-node adjusts self time to reach time synchronism by receiving synchronization time information carried by sect spending. The present invention also discloses a time synchronism system. Time synchronism accuracy can be improved by using the invention.

The invention discloses a digital microwave radio remote unit (RRU) coverage system and a digital microwave RRU coverage method. The structure of the system comprises a digital access control unit (DAU), a digital radio remote unit (DRU) and a coverage antenna. The system is characterized by also comprising a near-end microwave transmission unit and a far-end microwave transmission unit, wherein both the near-end microwave transmission unit and the far-end microwave transmission unit comprises an indoor microwave unit (IDU), an outdoor microwave unit (ODU) and an antenna; the IDU of the near-end microwave transmission unit is sequentially connected with the ODU and the antenna; the antenna of the far-end microwave transmission unit is sequentially connected with the ODU and the IDU; the antenna of the near-end microwave transmission unit is communicated with the antenna of the far-end microwave transmission unit by adopting microwave; and the IDU of the near-end microwave transmission unit is connected with the DAU by adopting a standard base station interface, and the IDU of the far-end microwave transmission unit is connected with the DRU by adopting the standard base station interface. The microwave is used as a signal transmission medium between the DAU and the DRU so as to realize wireless communication between the DAU and the DRU.

The invention discloses a data communication server which comprises a power circuit module, a network port module, a microprocessor and a serial circuit module. The network port module, the microprocessor and the serial circuit module are sequentially coupled with one another, and the power circuit module is connected with the microprocessor to provide a working power source for the microprocessor; the serial circuit module is configured in such a manner that serial signals can be processed by the serial circuit module; the network port module is configured in such as a manner that the network port module can be communicated with networks via at least one network port so as to transmit and receive network signals; the microprocessor is configured in such a manner that signals can be converted between Ethernet protocols and serial protocols by the microprocessor, so that the serial signals from the serial circuit module can be converted into the network signals, or the network signals from the network port module can be converted into the serial signals. The data communication server has the advantages that a system with excellent performance and comprehensive functions can be implemented by advanced technologies, data can be transparently transmitted among serial ports and the networks via the data communication server, and the networks can be connected with one another, so that the data can be remotely transmitted.

The invention relates to an intelligent transformer substation voltage switching and paralleling method and device. The voltage switching method of the double-bus power supply of the invention collects the voltage output quantity of two sets of electronic voltage transformers on the double bus, collects the input state signals of two isolation switches and controls and outputs the voltage of the corresponding bus according to the two sets of voltage output quantity and the corresponding isolation switch input state signals. When the input of a 1 primary isolation switch and the withdrawal of a 11 primary isolation switch withdraws, 1 primary voltage is output. When the input or the non-input state of the 1 primary isolation switch and the 11 primary isolation switch is collected, 11 primary voltage is output. The electronic voltage transformer output data of the invention has nothing to do with communication protocol. The invention does not have to decode the frame of the input signals, can output the digital quantity signals of a corresponding primary electric transformer directly, realizes the transparent transmission of the signals and has the advantages of simple realization and high reliability.

This invention discloses a signal transmission method for optical transmission network, which comprises steps: a. presetting the OPUx and ODUx frame structure in 5G path optical channel for CBR5G signal; b. multiplexing and mapping the CBR5G into optical channel layer to transfer according to said frame structure. Besides, the invention also discloses a corresponding device. Thereby this invention realizes total transmission and monitor in OTN for CBR5G signal.

The invention relates to a serial port to Ethernet control device based on STM32. The control device comprises: a power supply circuit, a micro-control unit circuit, a JTAG debugging interface circuit, a serial port communication interface circuit and an Ethernet physics interface transceiver control circuit. The power supply circuit comprises: a power supply voltage stabilization chip, a double pin power supply connector, a rectifier diode, a light emitting diode, an inductor, a chip resistor, two tantalum capacitors and four ceramic capacitors. The micro-control unit circuit comprises: a STM32 interconnectivity processor, an expansion pin, a crystal oscillator, two buttons, the three chip resistors and the eleven ceramic capacitors. The Ethernet physics interface transceiver control circuit comprises: an Ethernet physics interface transceiver control chip, an RJ45 interface, an active crystal oscillator, the tantalum capacitor, the sixteen chip resistors and nine ceramic capacitors. The control device has advantages of a small volume, low costs and low power consumption. And telnet can be achieved so as to perform real time operation and monitoring.