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31results about How to "Normal data transfer" patented technology

Data transmission method, base station and user equipment

A data transmission method, a base station and user equipment are disclosed in the present invention. The method comprises: if a scheduling sub-frame satisfying a Hybrid Automatic Repeat reQuest (HARQ) timing relationship with a first common sub-frame is a special sub-frame, then determining to send Downlink Control Information (DCI) to User Equipment (UE) in a second common sub-frame before the scheduling sub-frame, wherein the DCI is used for scheduling uplink data transmission in the first common sub-frame; sending the DCI to the UE in the second common sub-frame; and receiving the uplink data that the UE sends in the first common sub-frame on the basis of the DCI. In accordance with the data transmission method in an embodiment of the present invention, the base station performs scheduling of and feedback to the UE in the common sub-frame in the case that the special sub-frame exists, so that the problem that normal data transmission can not be performed between the UE and the base station due to the existence of the special sub-frame can be solved, thus improving system performance and user experience.
Owner:HUAWEI TECH CO LTD

Digital communication device and method in use for wireless digital synthetized early-warning system in locomotive

A digital communication equipment and method for the integrated radio digital warning system of locomotive features that a 800-MH2 integrated digital radio station with 821.2375 MH2 as receiving frequency and 866.2375 MP2 as transmitting frequency is used. Its advantages are no cross-talking interference, and high transmission power.
Owner:BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT CO LTD

Mobile terminal and address allocation method thereof

The invention provides an address allocation method of a mobile terminal. The method comprises the steps that in an internet protocol version 6 (IPv6) address negotiation process, the mobile terminal firstly starts and uses a stateless automatic allocation function to enable a host to automatically generate a global IPv6 address, and a domain name system (DNS) address is obtained from the mobile terminal through host side software to be set to the host; the host side software sends a packet internet grope (Ping) packet to a DNS server to determine whether the IPv6 address allocated to the host is correct or not; if the Ping packet responds normally, the allocation of the IPv6 address is completed, and if the Ping packet fails to respond, the IPv6 address already allocated to the host is deleted, an IPv6 address allocated by a network is re-obtained from the mobile terminal and then allocated to the host, and a Ping packet is re-sent to conduct the verification. By adopting the method and the mobile terminal provided by the invention, the mobile terminal is guaranteed to transmit data normally under two IPv6 networks, thereby improving the compatibility of the mobile terminal with different IPv6 address allocation system networks.
Owner:ZTE CORP

Direct communication link resource allocation method and terminal

The invention provides a direct communication link resource allocation method and a terminal, and relates to the technical field of communication. The direct communication link resource allocation method is applied to a terminal, and comprises the steps of obtaining a mapping relationship between a specific target of a direct communication link and a logical channel priority LCP limiting parameterof the direct communication link; according to the mapping relation, performing resource allocation of the direct communication link; wherein the specific target comprises a QoS parameter or a logical channel. According to the scheme, a mapping relationship between a specific target of a direct communication link and a logical channel priority LCP limiting parameter of the direct communication link is obtained; and according to the mapping relationship, performing resource allocation of the direct communication link, thereby perfecting a network communication flow and ensuring that the directcommunication link in the 5G system can perform normal data transmission.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Path diversity-based crossbar switch fine-grit fault-tolerant module in network on chip and method

The invention discloses a path diversity-based crossbar switch fine-grit fault-tolerant module in a network on a chip and a method thereof, and the crossbar switch fine-grit fault-tolerant module and the method are applied to a router which consists of five input ports, a routing computation module, a crossbar switch distribution module and five output ports. The crossbar switch fine-grit fault-tolerant module comprises a BIST detection unit, a fault-tolerant unit, an additional control unit and a crossbar switch. Through fine grit, different fault conditions of a data distributor, an internal link and a data selector in the crossbar switch are considered; the fault-tolerant unit is used for carrying out fault tolerance on the faults of the data distributor and the internal link, and enabling a fault-tolerant path to be diversified; meanwhile, the data selector is added to carry out fault tolerance on the data selector. According to the crossbar switch fine-grit fault-tolerant module and the method, normal data transmission can be carried out at the cost of relatively small hardware expense under the condition that the crossbar switch is high in fault rate, so that the network throughput is improved.
Owner:HEFEI UNIV OF TECH

Multi-mode wireless intelligent distribution and coverage system

The invention provides a multi-mode wireless intelligent distribution and coverage system, comprising a main machine control unit, sub-machine distribution units and sub-machine coverage units. The main machine control unit communicates with the sub-machine distribution units and the sub-machine coverage units respectively through a wireless transmission manner, realizes the transmission of radio frequency signals, and controls the sub-machine distribution units and the sub-machine coverage unit. The sub-machine distribution units communicate with the main machine control unit through a wireless accessing method and realize the transmission of the radio frequency signals. The sub-machine coverage units communicate with the sub-machine distribution unit through optical fibers, realize the transmission of the radio frequency signals, and cover the coverage area through a sub-machine coverage antenna as well as receive the uplink signals from the terminals in the coverage area. Each sub-machine distribution unit can be accessed to eight sub-machine coverage units in a parallel-connection manner; and each sub-machine coverage unit supports four-level cascade-connection. With the system of the invention, it is possible to complete the introduction of 2G, 3G and 4G signals at the same time. The system cannot only be mounted and managed conveniently, but also does not occupy the installation space.
Owner:CHANGCHUN JULONG COMM TECH

Charging pile with base station function

The invention relates to the technical field of charging piles, in particular to a charging pile with a base station function. The charging pile is arranged in a network signal weak coverage or blindarea, when an electric vehicle is charged by a charging terminal, a data collection terminal is controlled to collect parameter information of the electric vehicle, the collected parameter informationof the electric vehicle and parameter information of the charging pile are related, then sent to a base station main control board, transmitted to a baseband module to be subjected to baseband signalprocessing and then sent to a far-end server to be stored through a transceiver module and an antenna feeding system, thus data transmission of the electric vehicle can be conducted normally in a macro base station signal weak coverage area or blind spot area, and the user experience is improved. The charging pile has the characteristics that the popularity degree is high, a base station is smallin size, deployment is flexible, limitation of the site problem of the macro base station is avoided, the macro base station signal weak coverage area and macro base station signal weak coverage blind spots can be supplemented in a targeted mode, and the signal quality is ensured, and comprehensive coverage of urban network signals is achieved through distribution of the charging piles.
Owner:FUJIAN UNIV OF TECH

FPGA-based DM365 data transmission interface circuit

The invention provides an FPGA-based DM365 data transmission interface circuit and belongs to the field of circuit design. The FPGA-based DM365 data transmission interface circuit comprises a DM365 chip and a peripheral circuit, wherein an FPGA-based interface adaptation circuit is connected between an EMIF transmission interface and an SPI transmission interface of the DM365 chip and the peripheral circuit and is used for converting an EMIF protocol transmitted by the EMIF transmission interface and an SPI protocol transmitted by the SPI transmission interface into protocols performing communication with an RAM memory circuit or an FIFO memory circuit; and the EMIF interface and the SPI interface of the DM365 chip can be connected with an RAM memory and an FIFO memory through the FPGA-based DM365 data transmission interface circuit, and therefore the DM365 chip can perform communication with more peripheral circuits. Through the FPGA-based DM365 data transmission interface circuit, the technical problem that a single DM365 chip transmission interface and a single communicable peripheral circuit are available in the prior art is solved, and function extensibility is more flexible.
Owner:XIDIAN UNIV

Touch screen testing device

ActiveCN107422214ANormal data transferPractical application matchingElectrical testingTouchscreenUSB
The invention discloses a touch screen testing device. The touch screen testing device comprises a touch screen, a signal switching isolation board, a touch screen testing board, and a computer. One end of the touch screen is connected with a first connection line. One end of the signal switching isolation board is connected with the other end of the first connection line, and the other end of the signal switching isolation board is connected with one end of a second connection line. One end of the touch screen testing board is connected with the other end of the second connection line. The computer is provided with a USB interface, and the other end of the touch screen testing board is connected with the USB interface by a USB connection line. The touch screen testing device is advantageous in that the signal switching isolation board is additionally disposed between the touch screen and the touch screen testing board, and then electric signal isolation between the touch screen testing board and the touch screen is realized; the ground of the touch screen is disconnected from the ground of the computer, and then the touch screen is in a suspended state; and at the same time, normal data transmission between the computer and the touch screen is realized, and then objects such as debugging and testing are achieved.
Owner:CHANGSHA YUSHUN DISPLAY TECH +3

Electrostatic discharge device

The invention discloses an electrostatic discharge device. The electrostatic discharge device comprises an electrostatic pile and a power supply and is characterized in that an electrostatic pile headat the top of the electrostatic pile is made of a subconductor material, a single-chip microcomputer is mounted inside the electrostatic pile, the input end of the single-chip microcomputer is electrically connected with the output end of a human body sensor, a resistance detecting circuit is electrically connected to the single-chip microcomputer, the resistance detecting circuit is connected tovoltage of 3.3V and the 2-way ADC of the single-chip microcomputer to perform detection, the resistance detecting circuit performs resistance calculation by using a voltage dividing manner, the single-chip microcomputer and a network module adopt SPI communication, and the network module is electrically connected with PDS through a switch. The electrostatic discharge device has the advantages that the device supports online upgrading, ground resistance detecting and touch alarm on whether the electrostatic discharge is completed or not, each electrostatic pile has an independent IP address, the electrostatic pile can be directly controlled through PDS to modify the internal IP address, cost caused by follow-up equipment upgrading can be reduced, and follow-up cost can be reduced greatly.
Owner:北京中安信合科技有限公司

A mobile terminal and its address allocation method

Proposed are a mobile terminal address allocation method, a mobile terminal and a system. The method comprises: a host using a stateless address autoconfiguration function to generate a global IPv6 address; the host acquiring a DNS address from a mobile terminal via host-side software and setting same; the host-side software sending a packet to a DNS server to confirm whether the IPv6 address of the host is correct, and if it is correct, IPv6 address allocation being completed; and if it is not correct, deleting the IPv6 address which has already been configured by the host, and the host re-acquiring an IPv6 address allocated by a network from the mobile terminal and then allocating same to the host. The adoption of the method, mobile terminal and system of the present invention ensures that a mobile terminal can normally perform data transmission under two kinds of IPv6 networks, improving the compatibility of the mobile terminal with networks with different IPv6 address allocation mechanisms.
Owner:ZTE CORP

Crossbar fine-grained fault-tolerant module and method based on path diversity in network-on-chip

The invention discloses a path diversity-based crossbar switch fine-grit fault-tolerant module in a network on a chip and a method thereof, and the crossbar switch fine-grit fault-tolerant module and the method are applied to a router which consists of five input ports, a routing computation module, a crossbar switch distribution module and five output ports. The crossbar switch fine-grit fault-tolerant module comprises a BIST detection unit, a fault-tolerant unit, an additional control unit and a crossbar switch. Through fine grit, different fault conditions of a data distributor, an internal link and a data selector in the crossbar switch are considered; the fault-tolerant unit is used for carrying out fault tolerance on the faults of the data distributor and the internal link, and enabling a fault-tolerant path to be diversified; meanwhile, the data selector is added to carry out fault tolerance on the data selector. According to the crossbar switch fine-grit fault-tolerant module and the method, normal data transmission can be carried out at the cost of relatively small hardware expense under the condition that the crossbar switch is high in fault rate, so that the network throughput is improved.
Owner:HEFEI UNIV OF TECH

dm365 data transmission interface circuit based on fpga

The invention provides an FPGA-based DM365 data transmission interface circuit and belongs to the field of circuit design. The FPGA-based DM365 data transmission interface circuit comprises a DM365 chip and a peripheral circuit, wherein an FPGA-based interface adaptation circuit is connected between an EMIF transmission interface and an SPI transmission interface of the DM365 chip and the peripheral circuit and is used for converting an EMIF protocol transmitted by the EMIF transmission interface and an SPI protocol transmitted by the SPI transmission interface into protocols performing communication with an RAM memory circuit or an FIFO memory circuit; and the EMIF interface and the SPI interface of the DM365 chip can be connected with an RAM memory and an FIFO memory through the FPGA-based DM365 data transmission interface circuit, and therefore the DM365 chip can perform communication with more peripheral circuits. Through the FPGA-based DM365 data transmission interface circuit, the technical problem that a single DM365 chip transmission interface and a single communicable peripheral circuit are available in the prior art is solved, and function extensibility is more flexible.
Owner:XIDIAN UNIV

Version changing method, device and system

The invention relates to a version changing method, device and system, electronic equipment and a computer readable medium. The system comprises: a server side for converting version data into a binary file, dividing the binary file into a plurality of data blocks, generating a plurality of binary data messages based on the plurality of data blocks, and sending the plurality of binary data messages to an equipment side in parallel; and the equipment side used for acquiring the plurality of binary data messages from the server side, analyzing the plurality of binary data messages to generate a plurality of binary files, generating version data based on the plurality of binary files, the memory mapping relation and the file descriptor, and moving the version data to a preset position and restarting to replace the version. According to the invention, versions of a plurality of board cards can be changed at the same time, and disordered transmission of fragments of the same version is supported; and normal data transmission and information exchange can be ensured even under the condition of no network, no Bluetooth and no serial port, so that the working efficiency is improved.
Owner:杭州迪普信息技术有限公司

CQI estimation method, system and device during multi-stream beamforming transmission

The invention provides a channel quality indicator CQI estimation method during multi-stream beamforming transmission, which comprises the following steps: a base station receives a CQI which is fed back by an user equipment UE and estimated by the UE according to a signal of a common pilot port indicated by broadcast information; the base station estimates uplink channel information according toan uplink detection signal sent by the UE; and the base station obtains the actual CQI of each beamforming data stream according to the CQI fed back by the UE and the estimated uplink channel information. The base station can estimate the reasonable CQI during the multi-stream beamforming transmission by adopting the method, thereby being conductive to leading the base station to select the appropriate MCS for the UE and further ensure the normal data transmission.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Daughter boards, motherboards and verification systems

The present disclosure provides a daughter board, a motherboard and a verification system. Wherein, the daughter board for connecting to the motherboard includes: a first interface unit for connecting to a second interface unit of the motherboard; a voltage conversion unit including a power output terminal for connecting to the motherboard , a first output port for connection to the first interface unit and a second output port for connection to the second interface unit, wherein the power supply of the motherboard provides a first voltage, the voltage conversion A unit converts the first voltage into a second voltage, and applies the second voltage to the first interface unit of the daughter board and the mother via the first output port and the second output port, respectively The second interface unit of the board.
Owner:芯华章科技股份有限公司

Resident state detection method, device and equipment

The embodiment of the invention provides a resident state detection method, device and equipment. The method comprises the steps that when the situation that a non-connection state service card occupies hardware resources to execute non-connection state service is changed into the situation that a connection state service card occupies the hardware resources to execute the connection state service, abnormal detection is conducted on the residence state; and if the abnormal detection result is that the resident state is in the abnormal state, RRC reconstruction is triggered. According to the embodiment of the invention, when the connection state service card recovers the connection state service, anomaly detection can be carried out on the resident state in time, and when the anomaly detection result is that the resident state is in the abnormal state, RRC reconstruction is triggered in time, so that the resident state can be quickly identified to be in the abnormal state, and the connection state service card can normally carry out data transmission.
Owner:UNISOC CHONGQING TECH CO LTD

Daughter board, mother board and verification system

The invention provides a daughter board, a mother board and a verification system. The daughter board used for being connected to the mother board comprises a first interface unit used for being connected to a second interface unit of the mother board, a voltage conversion unit which comprises a power supply output end used for being connected to the mother board, a first output port used for being connected to the first interface unit and a second output port used for being connected to the second interface unit; a power supply of the mother board provides a first voltage; the voltage conversion unit converts the first voltage into a second voltage, and the second voltage is applied to the first interface unit of the daughter board and the second interface unit of the mother board through the first output port and the second output port respectively.
Owner:芯华章科技股份有限公司

A touch screen testing device

ActiveCN107422214BNormal data transferPractical application matchingElectrical testingTouchscreenUSB
The invention discloses a touch screen testing device. The touch screen testing device comprises a touch screen, a signal switching isolation board, a touch screen testing board, and a computer. One end of the touch screen is connected with a first connection line. One end of the signal switching isolation board is connected with the other end of the first connection line, and the other end of the signal switching isolation board is connected with one end of a second connection line. One end of the touch screen testing board is connected with the other end of the second connection line. The computer is provided with a USB interface, and the other end of the touch screen testing board is connected with the USB interface by a USB connection line. The touch screen testing device is advantageous in that the signal switching isolation board is additionally disposed between the touch screen and the touch screen testing board, and then electric signal isolation between the touch screen testing board and the touch screen is realized; the ground of the touch screen is disconnected from the ground of the computer, and then the touch screen is in a suspended state; and at the same time, normal data transmission between the computer and the touch screen is realized, and then objects such as debugging and testing are achieved.
Owner:CHANGSHA YUSHUN DISPLAY TECH +3

An information processing method, an information processing module and electronic equipment

The invention provides an information processing method, which is applied to a first electronic device with a USB type interface. The method comprises the steps of analyzing the type of a connection state of a second electronic device and the first electronic device; and generating transmission information in combination with the type of the connection of the first electronic device and the second electronic device, and preset information corresponding to the type, and performing data information transmission based on an information transmission channel between the first electronic device and the second electronic device. By adopting the method, the information is transmitted according to the type of the connection of the first electronic device and the second electronic device; the transmission can be performed for different types; the type of the connection of the two electronic devices can be a normal USB connection, so that normal USB data transmission is realized; and the type of the connection of the two electronic devices can be a specific function connection, so that a specific function also can be realized.
Owner:LENOVO (BEIJING) LTD

Novel travel USB connector

The invention discloses a novel travel USB connector, and relates to the technical field of digital video / audio interfaces. The connector comprises a shell, a rotating shaft inserted into the shell, and a turntable connected with the rotating shaft in the shell, the rotating shaft can longitudinally move on the shell and is provided with a spring as a damper when a joint is inserted into an interface; four different types of joints are connected to the turntable at intervals of 90 degrees; when different joints need to be replaced, the rotating shaft is moved to the rightmost end, the joint enters the shell at the moment, the needed joint is replaced by rotating the rotating shaft by a proper angle, the rotating shaft is then moved back to the leftmost end, the joint extends out of the shell at the moment, and a terminal at the lower end of the joint makes contact a the binding post to achieve effective transmission of data. Compared with the prior art, the technical scheme has the beneficial effects that different joints can be automatically selected to work according to requirements in a journey so as to adapt to most mobile phone output interfaces on the market.
Owner:广州尊美国际旅行社有限公司

High-reliability optical fiber composite insulator and preparation method thereof

The invention discloses a high-reliability optical fiber composite insulator. The insulator comprises a core rod, a skeleton, a first heat insulation layer, an umbrella skirt and an armour clamp. Thecore rod comprises an optical fiber solidified body, a second heat insulation layer and a core rod body layer; the optical fiber solidified body is an epoxy resin rod; at least two optical fibers which are axially arranged and spaced from each other are arranged in the epoxy resin rod. The second heat insulation layer is coated and cured outside the optical fiber cured body; the core rod body layer is coated and cured outside the second insulating layer; the skeleton is a plurality of epoxy resin rings which are solidified on the outer peripheral surface of the core rod and are axially arranged at intervals; wherein the first heat insulation layer wraps and is solidified outside the skeleton and connected with the adjacent epoxy resin rings in a filling mode, the umbrella skirt wrap and are solidified outside the first heat insulation layer and form umbrella covers at the positions of the epoxy resin rings, the first heat insulation layer is made of glass fibers, and the second heat insulation layer is made of glass fibers and silicate in a mixed mode. The invention further discloses a preparation method for sequentially curing from inside to outside. The invention solves the problem that the service life is influenced by failure due to the fact that the optical fiber in the insulator is snapped under the action of external high temperature and traction.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

A kind of high reliability optical fiber composite insulator and preparation method thereof

The invention discloses a high-reliability optical fiber composite insulator, which includes a core rod, a skeleton, a first heat insulating layer, a shed and fittings, the core rod includes an optical fiber cured body, a second heat insulating layer and a core rod body layer, and the optical fiber cured body is Epoxy resin rod, the epoxy resin rod is provided with at least two optical fibers arranged in the axial direction and spaced from each other, the second heat insulating layer is coated and cured outside the optical fiber cured body, and the core rod body layer is coated and cured on the second insulating layer In addition, the skeleton is a number of epoxy resin rings that are solidified on the outer peripheral surface of the mandrel at intervals in the axial direction. The first heat insulating layer is coated and cured outside the skeleton and filled to connect adjacent epoxy resin rings. The shed is covered and cured on the Each umbrella surface is formed outside the first heat insulating layer and at the position of the epoxy resin ring, the first heat insulating layer is made of glass fiber, and the second heat insulating layer is made of glass fiber mixed with silicate. The invention also discloses a preparation method of curing sequentially from the inside to the outside. The invention solves the problem that the optical fiber inside the insulator is broken due to external high temperature and traction force, resulting in failure and affecting the service life.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Method for transmitting data, base station and user equipment

The present invention discloses a data transmission method, base station and user equipment. The method includes: if the scheduled subframe that satisfies the hybrid automatic repeat request (HARQ) timing relationship with the first normal subframe is a special subframe, determine the Sending downlink control information DCI to the user equipment UE on the second normal subframe before the scheduled subframe, where the DCI is used to schedule uplink data transmission on the first normal subframe; The UE sends the DCI; and receives the uplink data sent by the UE in the first normal subframe according to the DCI. According to the method for transmitting data in the embodiment of the present invention, in the case that special subframes exist, the base station can solve the problem caused by the existence of special subframes between the UE and the base station by scheduling and feeding back the UE on normal subframes. In order to improve the system performance and user experience.
Owner:HUAWEI TECH CO LTD

Precoding matrix indication method, communication device and storage medium

The embodiment of the invention provides a pre-coding matrix indication method, a communication device and a storage medium, the pre-coding matrix of each frequency domain unit of K frequency domain units satisfies W = W1 * W2, and elements in W2 on the K frequency domain units are represented with less P elements. And the terminal equipment reports third indication information, the third indication information comprises first indication information and second indication information, the first indication information and the second indication information are independently coded, the first indication information is used for indicating P elements, and the second indication information is used for indicating P. Therefore, the terminal equipment can adjust the number of the information bits of the second indication information according to the change of the channel condition, and the efficiency of reporting the precoding matrix is improved.
Owner:HUAWEI TECH CO LTD

Method, access point and site for wireless transmission

An embodiment of the present invention provides a wireless transmission method, an access point, and a station. The method includes: providing a wireless transmission method, including: the access point sends a first message to the first station, and the first message includes The channel usage period allocated by the access point to the first station, and the first message is used to instruct the first station to send data to the relay station of the first station during the channel usage period; the access point receives from the relay station of the first station the data. In the embodiment of the present invention, the AP can send the allocated channel usage period to the STA, so that the STA can send data to other STAs during the channel usage period, and the other STA can send the data to the AP, so that other STAs can communicate with the AP normally. data transmission.
Owner:HUAWEI DEVICE (SHENZHEN) CO LTD

Digital communication device and method in use for wireless digital synthetized early-warning system in locomotive

A digital communication equipment and method for the integrated radio digital warning system of locomotive features that a 800-MH2 integrated digital radio station with 821.2375 MH2 as receiving frequency and 866.2375 MP2 as transmitting frequency is used. Its advantages are no cross-talking interference, and high transmission power.
Owner:BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT CO LTD
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