3567results about How to "Fast transmission" patented technology

This invention provides a wireless communication system wherein a network to which a mobile station should be handed over can be selected, using parametric data collected from network components other than the mobile station. Time taken for a handover between different types of network systems is reduced. The wireless communication system of the present invention comprises a mobile station equipped with multiple wireless interfaces, a server connected to a fixed network, and multiple access points. The mobile station determines available wireless interfaces and sends notification of the available interfaces' identifiers to the server. The server collects managerial data from network components and selects a wireless interface, based on the notification from the mobile station and the managerial data. The mobile station registers its locations in visiting networks corresponding to multiple available wireless interfaces with the server. The server retains the registrations of mobile station locations for the above wireless interfaces.

An apparatus, system, and methods for measuring environmental parameters are disclosed. The apparatus, system, and methods can be used for a variety of applications, including HVAC air balancing and building commissioning. The system includes a variety of wireless sensing modules and wearable modules for control, display, and storage. Parameters measured include air and water temperature, pressure, velocity, and flow. Also included are sensors for light intensity, CO concentrations, and CO2 concentrations.

An improved radio frequency identification (RFID) tag and related reader system and process are provided, wherein the RFID tag includes an on-board battery for enhanced signal transmission range, relatively rapid signal transmission speed, and optimized completion of a data transaction between the tag and a reader. The RFID tag further includes a power management system for activating the tag battery on an as-needed basis, and for thereupon enabling limited portions of the tag circuitry as required for a specific communication protocol, thereby conserving battery power and prolonging battery service life. In one preferred form, the battery is integrated with an antenna structure of single or dual mode with respect to frequency or type. This combination battery-antenna may be designed for recharging from a source of ambient energy.

A robot based on Wi-Fi includes a robot body which is a crawling car formed by a carriage (14) and a crawling running mechanism (13); wherein, a mechanical hand (6) is arranged on the carriage (14); the mechanical hand (6) is connected and fixed in the middle at the front part on the top surface of the carriage (14); the robot also includes a robot control system; the system takes an ARM9 series embedded microprocessor as a core and the periphery of the system is respectively provided with an electric compass, a GPS module, a CCD vidicon, a sensor group, a Wi-Fi module, a robot body controller and a mechanical hand controller. One surface of the Wi-Fi module receives external control command and the other surface encrypts the video image captured by the CCD vidicon in the sensor group and transmits to the outside; the microprocessor can automatically control a robot body controller and a mechanical hand controller to finish the tasks of patrolling, fault removing, rescuing and alarming; the microprocessor can also remotely control the robot body controller and the mechanical hand controller to finish the tasks of patrolling, fault removing, rescuing and alarming.

The process for streaming media data in a peer-to-peer (P2P) network includes the step of submitting a request through the P2P network to play a time segment of a media file. A local computer is connected through the P2P network to a streaming computer having the desired time segment. Thereafter, an initial data byte is located in the time segment via a conversion table associated with the media file. The time segment is streamed from the streaming computer to the local computer starting with the initial data byte. The time segment is stored on the local computer for playback through a corresponding media player.

The invention discloses an output method, system and server of recommendation information. The method comprises the following steps of: extracting user action data in a predetermined statistic period from a user action database; classifying the user action data according to commodity identifications to obtain a time sequence about interestingness of each commodity in the statistic period; computing a purchase peak probability of the commodity according to the time sequence about interestingness; when receiving a command of outputting the recommendation information, sorting the purchase peak probability according to an order from high to low, and outputting the recommendation information of the commodity according to a sorting result. The method provided by the invention automatically computes the purchase peak probability of the commodity on time dimension according to the user action data, thereby improving the recommendation accuracy of a recommendation system and reducing the transmission quantity of unnecessary data in the network; since the recommendation information is automatically modified and output by a server, and the computation capability of the server is sufficiently used, the information input quantity and computation resource of the recommendation system can be reduced when the recommendation information is adjusted according to the purchase peak probability.

Methods and systems are provided for alerting users of audio and / or video broadcasts. A user of a first media player may create a tune alert message and transmit the message to a second media player. The second media player may parse or decipher the message and reconfigure a tuner module to receive and process the identified content.

A build-up structure for chip to chip interconnects and System-In-Package utilizing multi-angle vias for electrical and optical routing or bussing of electronic information and controlled CTE dielectrics including mesocomposites to achieve optimum electrical and optical performance of monolithic structures. Die, multiple die, Microelectromechanical Machines (MEMs) and / or other active or passive components such as transducers or capacitors can be accurately positioned on a substrate such as a copper heatsink and multi-angle stud bumps can be placed on the active sites of the components. A first dielectric layer is preferably placed on the components, thereby embedding the components in the structure. Through various processes of photolithography, laser machining, soft lithography or anisotropic conductive film bonding, escape routing and circuitry is formed on the first metal layer. Additional dielectric layers and metal circuitry are formed utilizing multi-angle vias to form escape routing from tight pitch bond pads on the die to other active and passive components. Multi-angle vias can carry electrical or optical information in the form of digital or analog electromagnetic current, or in the form of visible or non-visible optical bussing and interconnections.

The present invention provides a heartbeat monitoring and electronic recording or display device using bluetooth headphone comprises: a headphone, which has a heartbeat detecting module and an algorithm and control unit, and among them, the heartbeat detecting module measures the pulse by the ear, and transmit the signal to the algorithm and control unit, and the algorithm and control unit calculates the number of the beats using application program / sport information integrated system, and coverts the data into signals; an electronic device that has a recording or display unit to display the data for the user to read and use; a bluetooth module, which transmits the heartbeat signal between the headphone and the electronic device using wireless transmitting method; and by so doing, the heartbeat detecting module continue to detect the pulse and transmit the signal to the algorithm and control unit, and calculate, process, convert the data collected, and the bluetooth module transmit the signal to the electronic device to record and display its data, and by so doing, the data is detected by the headphone, and is transmitted with wireless device.

A build-up structure for chip to chip interconnects and System-In-Package utilizing multi-angle vias for electrical and optical routing or bussing of electronic information and controlled CTE dielectrics including mesocomposites to achieve optimum electrical and optical performance of monolithic structures. Die, multiple die, Microelectromechanical Machines (MEMs) and / or other active or passive components such as transducers or capacitors can be accurately positioned on a substrate such as a copper heatsink and multi-angle stud bumps can be placed on the active sites of the components. A first dielectric layer is preferably placed on the components, thereby embedding the components in the structure. Through various processes of photolithography, laser machining, soft lithography or anisotropic conductive film bonding, escape routing and circuitry is formed on the first metal layer. Additional dielectric layers and metal circuitry are formed utilizing multi-angle vias to form escape routing from tight pitch bond pads on the die to other active and passive components. Multi-angle vias can carry electrical or optical information in the form of digital or analog electromagnetic current, or in the form of visible or non-visible optical bussing and interconnections.

When a base station apparatus and a mobile station apparatus communicate with each other using a wider frequency band consists of multiple carrier components, efficient communication is achieved without increasing control information (control signal) notified from the base station apparatus to the mobile station apparatus. The base station apparatus and the mobile station apparatus communicate with each other such that each of multiple uplink carrier components corresponds to each of multiple downlink carrier components or multiple downlink carrier component groups including multiple downlink carrier components.

The invention discloses a key-value data distributed caching system and a method thereof. The system comprises a key-value access proxy cluster and a key-value data storage cluster, wherein the key-value access proxy cluster is composed of a plurality of data access proxy nodes, and the key-value data storage cluster is composed of a plurality of data fragmentation storage replication clusters; the data access proxy nodes are used for sending a node business storage request, routing a data read and write request to a target data storage node, and storing or reading business data; and in the data fragmentation storage replication clusters, a master-slave data replication mechanism is adopted to determine that a single point of failure does not exist in the data, read data are read from a plurality of slave nodes, and load balance of the read data is determined. By adopting the technical scheme provided by the invention, key-value data automatic fragmentation storage is realized through a consistency hash algorithm, and horizontal expansion of data storage capacity of the system is guaranteed.

A semiconductor device according to the present invention includes plural controlled chips CC0 to CC7 that hold mutually different layer information, and a control chip IF that supplies in common layer address signals A13 to A15 and a command signal ICMD to the controlled chips. Each bit that constitutes the layer address signals A13 to A15 is transmitted via at least two through silicon vias that are connected in parallel for each controlled chip out of plural first through silicon vias. Each bit that constitutes the command signal ICMD is transmitted via one corresponding through silicon via that is selected by an output switching circuit and an input switching circuit. With this configuration, the layer address signals A13 to A15 reach the controlled chips earlier than the command signal ICMD.

The invention discloses a sparse sampling and signal compressive sensing reconstruction method. The method comprises: establishing a signal sampling interval of each time, sampling point number, and the number of points recovering, establishing random sparse sampling lower than a Nyquist sampling theorem value; and designing a measurement matrix by random sampling timing sequence values, designing a transformation matrix of a sparse expression domain of signals, determining a compressive sensing matrix, and separated compressive sensing optimizing signal reconstruction in a nonlinear manner. The method is based on rationality of objective world rules, and makes full use of signal sparsity, uses transformation space to describe the signals, and establishes theoretical framework of new signal description and processing, so under the condition that information is not lost is ensured, signals are sampled by speed much lower than required speed of a Shannon's sampling theorem. Simultaneously, signals can be recovered completely, that is, sampling of signals is converted into sampling of information. The invention provides a whole set of complete method. The method can be used in one-dimensional and multidimensional signals, and can process audio frequency, videos, nuclear magnetic resonance, and other signals.

A method and apparatus for redundantly transmitting dual- or multi-connectivity based-data may be provided. In particular, the method of a user equipment configuring dual connectivity may be provided for redundantly transmitting data. The method may include receiving, from an base station, a radio resource control (RRC) message including configuration information for configuring redundant transmission in a packet data convergence protocol (PDCP) entity; configuring the redundant transmission in the PDCP entity for one or more radio bearers; receiving, from the base station, instruction information for instructing whether a redundant transmission operation of the configured PDCP entity is activated; and copying, when the instruction information instructs activation, a PDCP protocol data unit (PDU) in the PDCP entity and transmitting the copied PDCP PDU to different radio link control (RLC) entities to redundantly transmit the same data to a plurality of base stations.

An improved APB bus bridge structurally comprises an AHB bus interface and an APB bus interface and further comprises an interface sequential conversion and control module, a control FIFO (First In First Out) module and a data FIFO module, wherein the interface sequential conversion and control module comprises a state machine, a data FIFO control logic unit and a control FIFO control logic unit and a register. A control method of the improved APB bus bridge comprises the following steps: generating a ready signal by the APB bus bridge; determining that the ready signal has a high level, and autonomously sending a transmission request by an AHB bus master; receiving and judging the transmission request by the APB bus bridge, wherein if the transmission request is effective, a control signal and data of the transmission request are stored in the corresponding FIFO modules respectively and the APB bus bridge does not distinguish read and write transmissions; and through state conversion and control of the state machine of the interface sequential conversion and control module, after finishing sequential matching conversion of the two buses, quickly carrying out reliable transmission operation. The improved APB bus bridge is applicable to sequential synchronous and asynchronous AHB-to-APB bus transmission and is compatible with a memory interface.

A memory card with multiple interface functions is provided. The memory card comprises a multiple interface controller, comprising at least a USB processor, MMC / HS MMC processor and SD processor, and each processor individually connected to a data r / w controller and a shared interface bus, the data r / w controller connected to at least a data-storage medium, and shared interface bus connected to a computer system or IA product. The function of a mode detector / switch is used for detecting the compatible transmitting mode of the connected computer system or IA products, and to switch shared interface bus to match USB processor, MMC / HS MMC processor or SD processor for application. Thus, selecting transmitting mode between data r / w controller and the computer system or IA products connected thereto, the present invention does not only economize on the usage of card reader but also could be applied to various transmitting interface devices and enhancing on its user-friendly performance.

The invention discloses to a data processing method and system based on data transmission of mobile equipment. Data is compressed by using different compression algorithms according to data types of the data through data analysis, and information (such as data size, data change amount, used data compression algorithms) of the data which is transmitted at this time is marked at the head of the data; the head information of the data is firstly extracted by a client after the data transmitted by a server is received; the data is decompressed according to the extracted compression algorithms at the head of the data; and information (such as actual data size and data change amount) of the received data is compared with the information (such as data size and data change amount) which is marked at the head of the data in the decompression process, so as to judge whether the data transmission is abnormal or not. With the adoption of the processing, the size of a data packet to be transmitted can be greatly reduced and the transmission speed is improved. Furthermore, the data is convenient to decompress according to marking of the head of the data, so that the completeness and accuracy of the data transmission can be ensured.

The utility model relates to a virtual network card communication device used for mutual communication between terminals of different local area networks, which belongs to the technical field of virtual network card communication in the field of computer communication. Including: the real network cards NICA and NICB on the two terminals, the function is to perform real network data receiving and forwarding work to the outside world, which is the basis for the work of the virtual network card; virtual network cards NIC_SIMA and NIC_SIMB, which provide virtual addresses for upper-layer applications, upper-layer applications When using the virtual address to communicate with the other party, the TCP / IP data packet flows through the virtual network card, and the virtual network card software converts the virtual address into a real communication address, and communicates with the other party through the real network card assigned the communication address; the address server S, As an intermediary for the communication between two virtual network cards, it coordinates the two virtual network cards to establish a communication process step by step; the real network card exists in the hardware device of the terminal as a real physical device of the terminal, and the virtual network card exists as a resident program on the terminal.

The invention discloses a water level-flow speed-flow rate monitoring integrated device, a water level-flow speed-flow rate monitoring system and a water level-flow speed-flow rate monitoring method. The device comprises a radar water level measuring module, a radar flow speed measuring module, a wind speed measuring module and a flow rate calculating module, wherein the radar water level measuring module, the radar flow speed measuring module and the wind speed measuring module are connected with the flow rate calculating module respectively; the radar water level measuring module is used for measuring the real-time water level data of a river course / channel in a non-contact form; the radar flow speed measuring module is used for measuring the real-time surface flow speed data of the river course / channel in the non-contact form; the wind speed measuring module is used for measuring real-time wind speed data to correct a flow speed of a water surface; the flow rate calculating module is used for calculating to obtain the size of the flow rate of a controlled section of the river course / channel at a current moment by combining with an input relevant parameter of the controlled section of the river course / channel according to the water level data, the flow speed data and the wind speed data. The device can be used for monitoring the water level and the flow speed of the river course / channel in real time, and moreover, can be used for realizing monitoring the flow rate in real time.

The invention provides a method for replacing sensitive words in the call process of a mobile terminal. The method includes the steps that after a call instruction of a user is received, the mobile terminal is in a replacement mode; the mobile terminal records voice information of the user, semantic analysis and word segmentation processing are performed on the voice information so as to generate call words of the user, and the time point corresponding to each call word is recorded; the mobile terminal is used for analyzing the call words and judging whether the call words are the sensitive words or not; if the call words are the sensitive words, the mobile terminal replaces or eliminates the call words according to the time points corresponding to the call words. According to the method, the sensitive words are shielded through automatic processing of the voice information, therefore, call becomes more civilized, processing cost is low, the efficiency is high, and timeliness is good.

The present invention provides a data transmission method and apparatus. The data transmission method is used for a terminal, and includes the steps: receiving a first indication message sent from a base station, wherein the first indication message includes first information which is used to represent a packet data convergence protocol PDCP packet replication function and at least two transmission entities, configured for a radio bearer RB by the base station; according to the first indication message, setting the transmission function corresponding to the RB as the PDCP packet replication function; according to the at least two transmission entities in the first indication message, setting a transmission entity corresponding to the RB; setting a current state of the PDCP packet replication function, wherein the current state includes an activated state and an inactivated state; and according to the current state, performing corresponding data transmission with the transmission. Therefore, the data transmission method can implement data transmission for the PDCP packet replication function, and can improve the reliability of data transmission.

The invention relates to digital cash, such as Bitcoin wallet software, in particular to a dynamic compression and access method of a block chain. The dynamic compression and access method comprises the following steps: operating a digital cash wallet program; when new block data is written into the block chain in an operation process of the digital cash wallet program, dynamically compressing the block data; creating identification information on the compressed block data; and then, when the digital cash wallet program is operated, storing the compressed block which creates the identification information into a block chain database. In the operation process of the digital cash wallet program, the block is dynamically decompressed through an embedded compression function, meanwhile, the compressed block is decompressed through the embedded decompression function, the volume of the whole block chain data becomes small under a premise that data is not damaged, and a storage space is greatly saved; and in addition, the transmission speed of the block chain data is improved, and transmission time is shortened.

The embodiment of the invention provides a method and a device for data file transmission and relates to the technical field of communication. The method comprises the following steps: a receiving end creates at least two downloading threads and starts all the downloading threads to carry out concurrent downloading, and each of the downloading threads independently downloads block data in a corresponding task queue from the receiving end and writes the downloaded block data into a buffer queue; the receiving end simultaneously starts a parallel single thread, and the parallel single thread sequentially acquires block data which is numbered i in the buffer queue and carries out orderly-iterative data integrity verification on the block data which is numbered i to obtain a data integrity verification value after orderly combination of the block data which is numbered i and all the previous block data; and the receiving end writes the block data which is numbered i into a target file. According to the embodiment of the invention, the transmission speed for a single large data file is improved, the reliable transmission time for a single large data file is shortened, and the network bandwidth utilization rate is improved.

The present disclosure relates to a live broadcast processing method, device, terminal equipment and system. The method includes: establishing a live connection with the guest client; receiving the guest audio stream sent by the guest client; synthesizing the local anchor audio stream and the guest audio stream to obtain the target audio stream; sending the audio stream to the server The target audio stream, so that the server sends the target audio stream to the audience client and the guest client. The solution of the present disclosure can solve the problem of communication delay during multi-person live broadcast and improve user experience.

The invention provides a binocular video camera and an image processing method thereof. The video camera obtains image data of a target scene through two image collection sensors. The video camera comprises a shell and a lens; a front board, a rigid flexible board, a main board, a power board and a storage board are arranged in the shell. A sensor A and a sensor B are arranged on the front board. An A / D chip is welded to the front board. An FPGA and a DSP are welded to the main board. According to the binocular video camera, the multi-core framework is adopted, and the image sensors, the FPGA and the high-performance DSP are involved; the intelligent analysis algorithm and image processing algorithms for automatic exposure, automatic white balance adjustment and the like are embedded into the binocular video camera, meanwhile, the dual-sensor synchronous imaging technology is adopted, and the functions of moving object detection and snapshooting, object feature recognition and the like are achieved; on the basis of the target scene simultaneous imaging technology, the processes of image feature extracting, recognizing, matching and rebuilding are completed, a target object can be more efficiently and reliably recognized and positioned, and the binocular video camera has the advantages of being high in frame rate, low in power consumption and noise and the like.