3656results about How to "Realize transmission" patented technology

The invention provides a method and a system for indicating an idle state of a channel or reserving resources, a method and a system for indicating an idle state of an uplink channel or reserving the resources, an LTE (Long Term Evolution) terminal, an LTE base station and an LTE system. The method for indicating the idle state of the channel comprises the following steps of setting a channel monitoring sub-frame used for detecting the state of the channel in a frame structure in a time division or frequency division duplex mode; if the channel monitoring sub-frame internally detects that the channel is in the idle state, sending an indication, representing that the channel is in the idle state, to the terminal through a channel idle state signaling or a resource reservation signaling, and sending an indication, representing that the channel is occupied by the base station, to communication equipment requesting to occupy a non-authorized frequency band. According to the technical scheme, the understandings of the idle state of the channel and the reservation state of the resources by the terminal and the base station working in the non-authorized frequency band are consistent, and data based on the same core network can be seamlessly switched and transmitted in an authorized frequency band and the non-authorized frequency band.

The invention relates to a multi-platform target tracking and distributed interactive simulation system in the technical field of simulation. The system comprises a target generation module, an aerial sensing platform, an emergency processing platform, a ground control center platform and an HLA distributed interactive simulation module, wherein, the target generation module generates a system tracking object at random; the aerial sensing platform comprises various detecting devices for performing fusion to the detected information and then transmitting the information to the ground control center platform; the ground control center platform integrates all the field information, evaluates the entire field situation and promptly makes an emergency decision; the emergency processing platform receives the information and the commands and realizes target tracking by using airborne equipment; and the HLA distributed interactive simulation module enables the modules to establish an HLA distributed system structure through a distributed network and realizes the multi-information network interconnection. The invention has the advantages of flexibility and extendability, can improve the tracking effect, enhance the visibility of scene demonstration and be widely applied to the fields such as public safety, disaster relief assistance and the like.

The present invention discloses a transmitting device based on ultrasonic communication, which includes information modulate unit and audio- sound wave launcher heard by human ear; the information modulate unit is used for receiving original communication information and modulating the original communication information into low frequency envelope high-frequency analog signals to drive the launcher; The launcher is used for receiving high-frequency sound wave of carrying original communication information transited from low frequency envelope high-frequency analog signals of the information modulate unit, and is for sending. Ultrasonic wave communication can be realized with lower cost of using the present invention. The present invention also discloses Receiving apparatus based on supersonic wave communication, audio system and method, so supersonic wave communication can be realized with lower cost.

The invention discloses a method and a system for transmitting descending control information. The system comprises a base station and user equipment. The method comprises the following steps of: firstly, setting a transmission mode X and transmitting the descending control information to the user equipment by the base station according to the transmission mode X; and receiving the descending control information by the user equipment and obtaining the descending control information according to a corresponding descending control information format in the transmission mode X. The transmission mode X comprises one or the combination of a descending control information format 1A, a first descending control information format and a second descending control information format. The transmission mode X also adds and defines six antenna ports A-F. By applying the invention, a space multiplexing technique which has eight layers and is based on a DMRS can be at most supported in the edition R10 of LTE-Advanced; and meanwhile, under the condition of ensuring compatibility, the corresponding descending transmission modes are represented by utilizing the first descending control information format and the second descending control information format, the high-order MIMO transmission is realized, and the performance of the system is enhanced.

The invention relates to a system and a method for intelligently dispatching and managing urban public transports. A GPS subsystem acquires traffic data in real time, and the data is transmitted to a central server through a radio communication subsystem; the central server transmits a dispatching scheme to a control terminal through a computer network subsystem; vehicles execute the dispatching of the control terminal; and the control terminal displays the operation state of the vehicles on electronic maps based on a GIS geographic information subsystem, the automatic acquisition and transportation of operation information, passenger traffic volume and operation and production process information of the vehicles are realized through a computer network central database, the objectivity and the trueness of basic production information records of enterprises are improved, the checking requirements of different levels and different ranges are met, and the operation quality is detected. The system and the method can perform real-time optimum dispatching on operating vehicles and emergency repair vehicles under the assistance of a computer-based intelligent dispatching system, and strengthen the commanding capability and the response capability on the operation state.

The present invention discloses parallel mass data transmitting middleware of Internet of things and a working method thereof. The invention includes: a data collection module, for forwarding data collected from different types of sensors to an application interaction module after analysis; the application interaction module, for achieving communication between the parallel mass data transmitting middleware of the Internet of things and an application system of the Internet of things, analyzing a control command of the application system of the Internet of things, transmitting to the data collection module, and further transmitting the analyzed sensor data to a data management module; the data management module, for performing data screening, fusion, conversion on the mass data analyzed by the application interaction module, and finally storing the calculated data into the application system of the Internet of things; and a developing regulation module, for setting out a protocol plug-in regulation, a communication channel plug-in regulation, a service field metadata plug-in regulation, etc. The present invention can meet high concurrency access and management of the large scale sensing apparatus of different application fields, various communication channels and various communication protocols.

The invention discloses a wireless intelligent home security system, which is characterized by comprising an advanced RISC machine (ARM) processor, a plurality of ZigBee node modules, a plurality of control circuit module and a mobile communication terminal, wherein the plurality of ZigBee node modules and the plurality of control circuit modules are embedded into home equipment, alarming sensors or home appliances; the ARM processor is connected with a mobile communication module, a ZigBee center transceiver module and a touch screen; the mobile communication module and the mobile communication terminal transmit data to each other by a mobile communication network; and the ZigBee center transceiver module and the ZigBee node modules wirelessly transmit data to each other by a ZigBee protocol. The control of the system comprises a remote control way and a local control way. The system realizes remote control over a master control system by a mobile phone and other intelligent terminals; and a human-computer interface or a remote controller is operated by the touch screen to directly realize local control over the system. Therefore, wireless, intelligent, secure and integrated home control is realized.

The invention discloses an electrothermal composite ceramic brick and a preparation method thereof. An electrothermal coating layer, a guiding-out wiring electrode, a coating insulation packaging waterproof layer and an application foaming ceramic layer coat an unglazed surface of a ceramics substrate in order. The electrothermal coating layer coats the unglazed surface of the ceramics substrate in an electrothermal slurry form, the electrothermal slurry permeates the green body of the ceramics substrate, and the penetration depth is less than the thickness of the ceramics substrate and more than 0.5mm. Because of the penetration, the electrothermal coating layer of the electrothermal composite ceramic brick is combined with the ceramics substrate tightly, a surface heating mode is achieved, the thermal efficiency is high, normal and safe usage can be achieved under a voltage of 24-380V, the heating power is 90-120w / m<2>, and the temperature of the ceramics substrate can reach 18-50 DEG C through a temperature control device. The insulation packaging waterproof layer and the foaming ceramic layer outside the electrothermal coating layer can prevent heat from outward transmission effectively, heat loss is lowered, and the whole safety and reliability of the ceramic brick are raised.

The invention discloses a mine mobile communication system, which consists of an Ethernet passive optical network of a double-bus or double-loop structure, a wireless access network, a control system and an explosion-proof mobile station. The system comprises an optical link terminal, a base station controller, a ground base station, office-end equipment, passive optical splitters, explosion-proof optical network terminals, an underground explosion-proof base station, leakage antennae, base station antennae, distributed antennae and the explosion-proof mobile station, wherein the optical link terminal is connected with the ground base station and the base station controller; the explosion-proof optical network terminals are connected with the underground explosion-proof base station; the underground explosion-proof base station is connected with the leakage antennae, the base station antennae and the distributed antennae; and the explosion-proof mobile station is connected with the underground explosion-proof base station and the ground base station through a wireless interface. The mine mobile communication system has the characteristics of simple structure, flexible deployment, convenient maintenance, relatively lower cost, strong disaster resistance and anti-jamming capacity, capability of eliminating dead zones in communication and meeting requirements on a specific service environment and security for mining, and suitability for underground mobile communication in a coal mine.

The invention relates to an active radio frequency identification (RFID) electronic tag and an internet of things system and an internet of things method for managing parking places. In the electronic tag, a power supply unit, an infrared emission unit, an infrared sensing unit, a control unit, a tag storage area and a radio frequency unit are arranged in an external package; in the system and the method, the occupation states of the parking places are sensed in real time by installing the novel active RFID electronic tag in which the infrared sensing unit is embedded at each parking place; the parking place states stored in the tag are acquired to a parking place management system in real time through an RFID reader-writer; and the idle states or the occupation states of the parking places are graphically displayed in a guide indicator. In an inside / outside parking lot, the usage conditions of all the parking places can be accurately mastered by using the system, large-size wired or wireless network deployment is not needed in the parking lot, the information acquisition and the transmission of all parking places can be realized only by arranging a small quantity of RFID readers-writers, so that the engineering quantity and the cost of system implementation are reduced, and convenient, fast and high-quality parking guide service is provided for clients.

Provided are a data transmission method, user equipment and a base station. The data transmission method can comprises: UE receives auxiliary configuration information sent from PeNB and the auxiliary configuration information comprises information of a second DRB allocated by SeNB for the UE in SCell; the SeNB manages the SCell, and the SCell is a auxiliary zone of the UE; the UE binds a first EPS-Bearer and the second DRB, and before the first EPS-Bearer and the second DRB are bound, the first EPS-Bearer and a first DRB are bound, the first DRB carries out wireless bearing of data allocated by PeNB for the UE in PCell, the PeNB manages the PCell, the PCell is a main zone of the UE; the UE uses the second DRB bound with the first EPS-Bearer to transmit data flow.

The present invention is applicable to the field of computer technology, and provides a method and device for sending, receiving, and transmitting offline files. The offline file transmission method includes the following steps: the sender client sends the file to be sent to the server; the file After the sending is successful, the sending client sends a file receiving notification message to the receiving client; the receiving client receives the file receiving notification message, and receives the file sent by the sending client from the server. By adopting the file transmission method provided by the embodiment of the present invention, no matter whether the receiving client is online or not, the file transmission can be realized through the instant messaging software, which facilitates the communication and exchange of users.

The invention provides a method and system for transmitting feedback information of HARQ, UE, and a base station. The method may include that the UE receives indication information sent by the base station, wherein the indication information is used to indicate a transmission sub-frame available for transmitting the feedback information of the HARQ in a carrier; the UE generates the feedback information of the HARQ; and the UE transmits the feedback information of the HARQ to the base station in the transmission sub-frame. The embodiments of the present invention may implement the transmission of the feedback information of the HARQ.

The invention provides a user terminal and a data transmission method. The method comprises: before a user terminal sends first data, whether the user terminal needs to be switched to a connection state is determined; and according to a determination result, the user terminal adjusts the state of the terminal itself and sends the first data to a base station based on the adjusted state. Therefore, data transmission between UE and a base station in an in-active state can be realized.

The invention relates to a video transmission method for a web camera. The video transmission method for the web camera comprises the steps as follows: 1) the web camera establishes connection with a client program through the Internet; 2) a client generates control information according to current manual or automatic operation and transmits the web camera; 3) the web camera processes pictures collected by a sensor according to the received instruction; 4) the web camera performs video streaming coding to a processed image sequence; 5) the web camera embeds the play information based by processing the video streaming in the video streaming and transmits to the client, or transmits to the client with an individual data format via a networking protocol; 6) the client decodes and displays according to the received video streaming and play information; 7) the second step to the sixth step is repeated while the play information of the client is changed. The method of the invention solves the problem of providing the high-quality, high-fluency and high-definition video to a user when the bandwidth is not enough.

The invention discloses an indoor visible positioning method and system based on camera shooting frame analysis. The system comprises a plurality of LED light sources, wherein the LED light sources are used for emitting modulated visible light with ultra-long sequence information; and an indoor positioning device which is used for taking a series of images corresponding to the visible light emitted by the LED light sources, obtaining and recognizing the bright and dark stripes in the images, eliminating the background light of the image, demodulating the binary information in each image, jointing the information demodulated from each image to form a needed ultra-long sequence, obtaining the identity information of the light sources, searching the position information, corresponding to the identity information, in an indoor map, and obtaining the current position. The system can carry out the high-speed and large-capacity modulation, coding and image processing, can eliminate the background light in photographing, and can improve the image processing precision.

The invention relates to the technical field of Bluetooth communication, and particularly discloses main Bluetooth receiving equipment, secondary Bluetooth receiving equipment, Bluetooth communicationsystem and a method for transmitting information between the equipment. The method for transmitting information between the equipment comprises the steps of S1000: networking: the main Bluetooth receiving equipment builds a Bluetooth network connection with source data equipment, and the secondary Bluetooth receiving equipment is added into the Bluetooth network in a monitoring manner, and monitors data sent by the source data equipment; and S2000: command transmission: the main Bluetooth receiving equipment and the secondary Bluetooth receiving equipment perform command transmission. According to the method for transmitting information between the equipment, the main Bluetooth receiving equipment, the secondary Bluetooth receiving equipment and the Bluetooth communication system providedby the invention, the secondary Bluetooth receiving equipment can acquire the data output by the source data equipment in a data monitoring working mode, and meanwhile, the command and data communication between the main Bluetooth receiving equipment and the secondary Bluetooth receiving equipment also can be achieved.

The embodiment of the invention discloses a data transmission method, a system and equipment, which relate to the technical field of wireless communication and are used for solving the problem of data transmission when a terminal does not build a packet data network (PDN) connection. In the data transmission method, the system and the equipment, when the terminal needs to transmit data, but the PDN connection for transmitting the data is not built, data transmission messages carrying the PDN connection request messages and data transmission messages of data packets to be transmitted are sent to a mobility management entity (MME), the MME receives the data transmission messages and only builds the core network side PDN connection, and in addition, the data packets to be transmitted are sent out through the PDN connection. Therefore, by the invention, the scheme of data transmission of user equipment (UE) can be realized without building the PDN connection.

When communicating with a second wireless station, a first wireless station judges, based on link-related information received form the second wireless station and link-related information extracted from a signal transmitted by a fourth wireless station, whether a transmission link from the third wireless station to the fourth wireless station and a transmission link from the first wireless station to the second wireless station can be concurrently established without interference with each other. If judging affirmatively, the first wireless station transmits a signal to the second wireless station in synchronization with a signal transmitted by the third wireless station to the fourth wireless station. Preferably, when the first wireless station having a concurrent transmission control function communicates with the second wireless station having a interference reduction function, the first wireless station controls the interference reduction function of the second wireless station based on the link-related information received from the second wireless station and interference information, such that the transmission link from the third wireless station to the fourth wireless station and the transmission link from the first wireless station to the second wireless station can be established at the same time without interference with each other. If judging that the concurrent transmission is available, the first wireless station transmits a signal to the second wireless station according to a timing that overlaps transmission of a signal from the third wireless station to the fourth wireless station.

The invention discloses a connection establishment and data transmission method, a device and a system thereof for a hybrid cloud, wherein the connection establishment method comprises the following steps that: a sender proxy access component sends a communication request to a central scheduling server, receives configuration information sent by the central scheduling server, transmits a connection establishment request to the proxy access component of the target cloud via an acceleration network according to the configuration information, so that the proxy access component of the target cloudestablishes a communication connection with the sender proxy access component according to the connection establishment request. By adopting the above method, by setting the proxy access component ineach cloud and the participation of the central scheduling server, the sender and the receiver may be communicatively connected through the proxy access component and the acceleration network, without complicated and unified configuration of the firewalls of both parties.

The invention relates to a production technology of an optical fiber combiner based on a capillary tube. The technology comprises the following steps of: 1) obtaining bundle fiber bundles; 2) bundling and arranging the bundle fiber bundles obtained from the step 1) by the capillary tube and forming the capillary tube which is internally embedded with the bundle fiber bundles; 3) carrying out beam combining treatment on the capillary tube internally embedded with the bundle fiber bundles obtained from the step 2) and forming a cone-shape optical waveguide. According to the invention, the production technology of the optical fiber combiner based on the capillary tube, which is convenient to fix and easy to taper, can greatly reduce energy loss in a laser combining process, and can improve a power bearing level of a beam combiner, is provided.

The invention relates to user equipment and a data transmission method thereof. The data transmission method comprises the steps of acquiring information, which is sent by a base station, of a resource pool used for transmitting V2X (Vehicle-to-Everything) data; detecting a physical resource block in the resource pool when the V2X data needs to be transmitted; and transmitting the V2X data by using the physical resource block in the resource pool when the physical resource block in the resource pool is determined to meet a first condition. The scheme can realize transmission of the V2X data and improve the user experience.

The invention discloses a clutch based on ultrasonic suspending force control, which is composed of active rotating disc, passive rotating disc, piezoelectric ceramic piece, back-moving spring and high-frequency electric source. The passive rotating disc couples to the circular ring of the active rotating disc. The end face of the active rotating disc contacts to an end face of the passive rotating disc. The piezoelectric ceramic piece is fixed on the other end face of the passive rotating disc. The high-frequency electric source connects to the receiving terminal of the piezoelectric ceramic piece. The back-moving spring is set on active rotating disc or passive rotating disc to keep a certain distance between the active rotating disc and passive rotating disc. Another embodiment is that: the inner surface of the circular ring 2-1 is taper shaped; the flange of 1 is taper shaped; the inner surface of the 2-1 contacts to the flange of 1. The invention applies the ultrasonic suspending force as drive force for separation and applies friction moment to transmit power.

The invention discloses a testing method and device applicable to a vehicle navigation multimedia terminal. The testing device applicable to the vehicle navigation multimedia terminal comprises a computer testing end, a data repeater and the tested vehicle navigation multimedia terminal, wherein the computer testing end distributes test item data and parameters through the data repeater, and sends the test item data and a test instruction to the vehicle navigation multimedia terminal, and obtained test response information is fed back to the computer testing end through the data repeater. According to the testing method and device applicable to the vehicle navigation multimedia terminal, tests can be carried out on the vehicle navigation multimedia terminal connected to a real vehicle, real-vehicle simulation tests can be carried out on the vehicle navigation multimedia terminal separated from the real vehicle, manual testing can be carried out, and automatic testing can be carried out. The testing method and device applicable to the vehicle navigation multimedia terminal further have the function of sending test feedback information to an Internet vehicle comprehensive service platform. According to the testing method and device applicable to the vehicle navigation multimedia terminal, the multi-port connection mode which is rapid and convenient to use is provided, and data transmission of the multi-port connection mode follows the specific communication protocol. The structure is simple and practical, and the testing method and device applicable to the vehicle navigation multimedia terminal are applicable to vehicle navigation multimedia terminals used on various vehicles.

The invention provides a vehicle-mounted system and a bidirectional communication method. The vehicle-mounted system comprises vehicle-mounted equipment and an intelligent mobile phone, and realizes direct communication between the vehicle-mounted equipment and the intelligent mobile phone by adopting a WiFi (Wireless Fidelity) / Bluetooth technology. The vehicle-mounted system also comprises a portable card, and the vehicle-mounted equipment indirectly communicates with the intelligent mobile phone by a low-power RF (radio frequency) communication technology via the portable card. The vehicle-mounted system provided by the invention also can realize switching between the WiFi / Bluetooth communication mode and the RF communication mode; when a user is closer to a car, the vehicle-mounted equipment directly communicates with the intelligent mobile phone, and the portable card is in a sleeping state; when the user is farther away from the car and the vehicle-mounted equipment cannot detect a WiFi / Bluetooth signal, the vehicle-mounted equipment is activated to connect with the RF of the portable card, and the portable card is notified to establish a connection with the WiFi / Bluetooth of the intelligent mobile phone at the same time, so that bidirectional communication of the vehicle-mounted equipment and the intelligent mobile phone is realized. According to the vehicle-mounted system provided by the invention, a rich man-machine interface and powerful service functions which are difficultly realized by a REK (remote electronics kit) are provided by using an intelligent mobile phone.

The invention provides a multiprocessor system which accords with an AXI protocol. The system comprises at least two processor cores including a first-level cache, and at least two second-level caches, the processor cores are connected with the second-level caches by a bus; the bus comprises a read address channel, a read data channel, a write address channel, a write data channel and a write response channel; the lines in the channels are divided into regions according to the transmitted contents, and the channels comprise the regions which are defined according to the AXI protocol; wherein, the write address channel further comprises an AWDID region for identifying a target ID of the write address request, and an AWSTATE region for transmitting state information of a cache block in the first-level cache in write operation; the write data channel further comprises a WDID region for identifying the target ID of the write data request; the read address channel further comprises an ARDID region for identifying the target ID of the write address request and an ARCMD region for representing a read command; and the read data channel further comprises an RSTATE region for representing a read data response.

The invention discloses a test system for deformation measurement of a large spacecraft structure under a vacuum and low-temperature environment. The test system includes a vacuum and low-temperature container, a portal supporting mechanism, a low-temperature cantilever moving mechanism, photogrammetry CCD camera and protection cabin assemblies, a test piece supporting mechanism, a low-temperature reference meter, a temperature and air pressure control system, a motion control system, and a measurement data acquisition and processing system; two sets of photogrammetry CCD camera and protection cabin assemblies are symmetrically hung at two ends of the low-temperature cantilever moving mechanism, and 3m-rotation radius and + / -360-degree-reciprocating rotary movement photographing can be realized under the vacuum and low-temperature environment so as to realize the deformation measurement of the large spacecraft structure. With the test system of the invention adopted, the thermal deformation measurement of a certain 5m large umbrella antenna can be completed under a simulated space environment by using photogrammetric techniques, and the repeatability precision of the measurement of spatial point positions can achieve 20 microns.

The invention provides a rotary milling vibration measuring instrument, comprising a milling handle, a vibration sensor, a power supply system and a signal transmission system. The vibration sensor comprises a built-in IC piezoelectriccrystal acceleration sensor and a constant current source circuit; the signal transmission system collects signals outputted by the vibration sensor, stores data, encodes the data, transmits the encoded data by a wireless transmission mode, and receives, decodes and stores wireless signals; and the power supply system supplies electricity for the sensor in the milling handle and the circuit by adopting an electromagnetic induction mode. In the device, the vibration sensor is arranged in the milling handle to ensure that the milling handle itself has the function of testing the vibration signals, and the handle has simple structure and convenient manufacture. The inductive power supply system ensures that power supply is not affected by rotation of the handle. The wireless transmission mode ensures that a signal receiving end is properly far away from the cutting area.

The invention discloses a geothermal energy collecting pile foundation which comprises a tubular pile, heat conduction liquid, a spreader plate, a cover plate, a bottom plate, heat conduction pipes, a collector and the like, wherein the bottom of the pile is completely closed by adopting reinforced concrete, the reinforced concrete cover plate is arranged on the top of the pile, a plurality of holes are arranged in the cover plate, the spreader plate is arranged in a cavity in the tubular pile, a plurality of holes are arranged in the locations, close to the bottom, of the spreader plate, the cavity of the tubular pile is filled with the heat conduction liquid, the heat conduction pipes penetrate through the holes in the cover plate and extend in the heat conduction liquid in the cavity of the tubular pile, and the heat conduction pipes are connected with the collector and form a circulating channel with the cavity of the tubular pile. The invention also discloses a construction method of the pile. The construction method comprises the following technical steps of: constructing the tubular pile in a foundation, excavating pile core soil, making the bottom plate, installing the spreader plate, installing the cover plate, installing the heat conducting pipes, injecting the heat conducting liquid and the like. The geothermal energy collecting pile foundation has the advantages of simple and convenience for construction, no influence on the stress of the tubular pile body, convenience for examination and maintenance, wide application range and low construction cost, and is an energy saving and emission reduction pile with economy and high efficiency.