493results about How to "Reduce data transfer" patented technology

A method and network architecture for implementing an energy efficient network. The network includes a plurality of nodes that collect and transmit data that are ultimately routed to a base station. The network nodes form a set of clusters with a single node acting as a cluster-head. The cluster-head advertises for nodes to join its cluster, schedules the collection of data within a cluster, and then transmits the data to the base station. A cluster can intelligently combine data from individual nodes. After a period of operation, the clusters are reformed with a different set of nodes acting as cluster-heads. The network provides an increased system lifetime by balancing the energy use of individual nodes.

An integrated video surveillance system and associated method of use is disclosed that includes at least one alarm monitoring center, each alarm monitoring center includes a main control panel with a first video recorder interface, at least one subscriber, wherein each subscriber is electrically connected to a control module, at least one mobile unit, wherein each mobile unit includes at least one first electronic display and is electrically connected to a wireless access network, at least one video camera for providing video data of a predetermined area, and at least one computer network, which includes a global computer network, that is operatively connected between the at least one alarm monitoring center, the at least one subscriber, the at least one video camera and the at least one mobile unit through the wireless access network.

The Point-to-Point Transaction Guidance Apparatuses, Methods and Systems (“SOCOACT”) transforms smart contract request, crypto currency deposit request, crypto collateral deposit request, crypto currency transfer request, crypto collateral transfer request inputs via SOCOACT components into transaction confirmation outputs. Also, SOCOACT transforms virtual wallet address inputs via SOCOACT (e.g., P2PTG) components into transaction confirmation outputs. In one embodiment, the SOCOACT includes a point-to-point payment guidance apparatus, comprising, a memory and processor disposed in communication with the memory, and configured to issue a plurality of processing instructions from the component collection stored in the memory, to: obtain a target wallet identifier registration at a beacon. The SOCOACT then may register the target wallet identifier with the beacon and obtain a unique wallet identifier from a migrant wallet source associated with a user at the beacon. The SOCOACT may then obtain a target transaction request at the beacon from the migrant wallet source and commit the target transaction request for the amount specified in the target transaction request to a distributed block chain database configured to propagate the target transaction request across a distributed block chain database network for payment targeted to the target wallet identifier registered at the beacon.

A method and apparatus for generating checksum values for data segments retrieved from a data storage device for transfer into a buffer memory, is provided. A checksum list is maintained to contain checksum values, wherein the checksum list includes a plurality of entries corresponding to the data segments stored in the buffer memory, each entry for storing a checksum value for a corresponding data segment stored in the buffer memory. For each data segment retrieved from the storage device: a checksum value is calculated for that data segment using a checksum circuit; an entry in the checksum list corresponding to that data segment is selected; the checksum value is stored in the selected entry in the checksum list; and that data segment is stored in the buffer memory. Preferably, the checksum circuit calculates the checksum for each data segment as that data segment is transferred into the buffer memory.

The Seed Splitting and Firmware Extension for Secure Cryptocurrency Key Backup, Restore, and Transaction Signing Platform Apparatuses, Methods and Systems (“SFTSP”) transforms transaction signing request, key backup request, key recovery request inputs via SFTSP components into transaction signing response, key backup response, key recovery response outputs. A transaction signing request message for a transaction is received by a first HSM and includes an encrypted second master key share from a second HSM whose access is controlled by M-of-N authentication policy. The encrypted second master key share is decrypted. A first master key share is retrieved. A master private key is recovered from the master key shares. A transaction hash and a keychain path is determined. A signing private key for the keychain path is generated using the recovered master private key. The transaction hash is signed using the signing private key, and the generated signature is returned.

A system and methods for coordinating transmissions in a wireless network wherein a plurality of frequency-overlapping protocols are used to exchange information between devices. In this system, a coordination point device integrates a monitoring functionality to identify impending data collisions between the frequency-overlapping protocols. The coordination point device further identifies quality of service parameters to determine if the protocols are operating within desirable ranges. Moderation one or more of the protocols is then performed to avoid data collisions arising from overlapping transmissions between the protocols while maintaining data throughput within acceptable ranges.

The embodiment of the invention provides a method and equipment for migrating virtual machines based on a network data flow direction, and a cluster system. Each network flow monitoring module of the cluster system is used for interacting with a virtual machine monitor (VMM) to acquire network flow information of each virtual machine on the current service node; a virtual machine deployment adjustment module is used for acquiring network flow information of the virtual machines from network flow monitoring modules on a plurality of service nodes in the cluster system, determining a data flow direction relation among the virtual machines in the cluster system according to the network flow information, and transmitting a virtual machine migration command or outputting a corresponding virtual machine migration suggestion to the VMM on which the determined virtual machines to be migrated are operated according to a virtual machine migration strategy and the data flow direction relation among the virtual machines in the cluster system; and a VMM unit is used for receiving the virtual machine migration command transmitted by the virtual machine deployment adjustment module and migrating the virtual machines to be migrated to a target service node. By the method and the equipment, communication flow among the virtual machines in the cluster system can be effectively reduced, and network burden is reduced.

An assembly structure for an embedded passive device is provided, including at least one passive device embedded in a through hole of a core layer in a circuit substrate. The embedded passive device comprises plural electrodes, which electrically connect through the top side and the bottom side of the core layer. Because the vertically embedded passive device does not occupy the layout area of internal circuit of the circuit substrate, the layout area of the circuit substrate can be increased, the signal transmission route can be reduced, and the performance of signal transmission can be enhanced.

The invention provides a data backup method of a distributed file system. The method includes: setting up a thread pool by a synchronous control node, distributing source files to each thread according to a copy list, and parallelly conducting metadata synchronization of each source file and the corresponding target file; judging content consistency of each file block in the source files and the target files by each thread of the synchronous control node to analyze difference between each distributed source file and the corresponding target file; judging content consistency of each chunk in the source files and the target files by a source data node to analyze difference between the source file blocks and the target file blocks; duplicating data of the source file blocks to the corresponding target file blocks by a target data node according to the difference analyzing results of the source file blocks and the target file blocks. Data transmission among trans-cluster data nodes can be reduced by effectively using existing data of the target files of a target file system, and data backup execution time is shortened since file backup is completed by taking a file block as a unit.

A stacked semiconductor memory device includes an interface chip and a plurality of core chips, in which the interface chip and the plurality of core chips are stacked. The core chips are mutually connected by a plurality of data through electrodes. The core chips each include a plurality of memory arrays. In response to an access request, the plurality of memory arrays corresponding to a predetermined data through electrode are activated, and the plurality of activated memory arrays and the predetermined data through electrode are sequentially connected. Thereby, even though it requires approximately ten-odd ns for transferring the first data, similarly to the conventional case, it is possible to transfer the subsequent data at high speed determined by the reaction rate (1 to 2 ns) of the through electrode. As a result, it becomes possible to increase a bandwidth while suppressing the number of through electrodes.

A method and apparatus to compress video data to smaller size and embed extra information into the compressed data using the integrated lossy and lossless compressions is described. The method can be used to compress reference frames of a video codec (coder / decoder) combines codec where the small noise is critical and to reduce bus bandwidth. Data transfer between an encoder and an external frame memory connected via an external bus in a video codec is reduced by compressing data from the encoder prior to inputting into the frame memory over the external bus, and decompressing the compressed data from the frame memory after retrieving over the external bus. Reference frames are compressed to variable size without causing any considerable artifact to reduce bus bandwidth between the encoder core and external memory. In the method, lossy and lossless compression is integrated to maximize the compression efficiency.

A wireless sensor network and data transmission method thereof provides for improving channel access efficiency and energy saving effect by using inventive carrier sensing mechanism. The data transmission method includes assessing a channel after initializing, when a packet to be transmitted is generated, a number of carrier sensing attempts (Ns) and a backoff value (W); determining, when the channel availability is assessed to be idle, whether W reaches 0; transmitting the packet if W reaches 0; and reassessing, if W does not reach 0, the channel after a duration corresponding W / (Ns-1) slot.

The invention discloses a skin type detection and individuation evaluation system and method based on a cloud platform. The detection and individuation evaluation system and method based on the cloud platform are characterized in that a face skin image of a user is directly collected and effective data is extracted from the image and sent to a skin type detection cloud platform through a skin type detection terminal or a user APP; the individuation evaluation system conducts processing on the effective data in the skin type detection cloud platform through the adoption of a series of skin index analysis and process algorithms, and feeds a processing result back to the skin type detection cloud platform after an evaluation result is obtained; the skin type detection cloud platform synchronously sends the processing result to the skin type detection terminal or the user side APP; the user examines the test evaluation result by controlling a client end or the user APP. According to the skin type detection and individuation evaluation system and method based on the cloud platform, a face skin detection instrument and a machine learning technology are combined, a big data analyzing and processing technology and a machine learning method are adopted, an instrument detection result and an evaluation index are continuously optimized, a more accurate detection and nursing method are provided for the user, and a richer and more scientific specimen is provided for the study of face skin health.

The invention discloses a logistic information real-time management method and a system. Defined barcode information is read by a barcode data acquisition terminal so as to obtain node information of goods or order forms, a customized information recording interface of a user is set, definition setting of a database and maintenance of a database capacity interface are realized, a current state is automatically prompted when data are dispatched or selected, particular capacity information of a memory space is dynamically updated when goods are taken, all database capacity is automatically prompted dynamically and visually, comparison of a data condition provided by a user and an actual condition of current basic data is automatically prompted according to analysis of category and state of data, receipt details for dispatching the data are generated automatically, and detailed data information of a dynamic link is synchronously obtained from a database server and displayed and outputted in a node information form. By the aid of the logistic information real-time management method and the system in the technical scheme, intelligent logistic management and service punctuality are realized, and predictability is improved.

A method of, apparatus for, and computer-readable medium for rapid, real time kinematics determination requiring lowered information transmission for position updates than traditional RTK systems. Position signals are received from a base station and roving system and a compressed position signal is received from the base station. A position estimate using an integrated method is determined using the received position signals from the base station and the roving system and the compressed position signal from the base station. Ambiguity resolution of the position estimate is enhanced by applying a quality control procedure using derived validation criteria. A second position estimate is derived based on the enhanced ambiguity resolution. Because of the use of the compressed position signal smaller transmissions may be performed at a more rapid rate providing a higher position update rate.

The invention relates to a distributed vision computing method based on an open type Web Service framework. The method has the technical scheme of: collecting the video image of an identified target by adopting an embedded video collecting front end, and sending the video image back to a data center through network multicast; a computing server is controlled by a control server in the data centerto accomplish the computing task, and carrying out the uncompressing, target detecting, image preprocessing, feature extraction, identification, classification and result drawing of video data; and integrating the computing results. The method solves the defect of difficult compatibility with other systems. Under the uniform scheduling of the control server, the method avoids a great deal of unnecessary matching calculation, improves the performance of system operation, achieves the compatibility with most of databases and simply updated external systems, and realizes the identification and calculation of large-scale databases by adopting a packet mode.

The invention, which is applicable to civil security and surveillance and military intrusion detection, relates to a wireless network system for monitoring, identifying and judging the pathway of an intruding target by setting up a plurality of nodes. The intruding target can be located, identified and tracked by carrying out the extraction, analysis and data integration on the signal characteristic quantity of the sensors at each monitoring node, moreover, the function for a user to set sensitive areas is served, so that various alarm signals can be sent according to the closeness of the intruding target to the sensitive areas. Additionally, a monitoring sensor at the monitoring node is used for generating sleeping and waking-up signals on a real-time basis, thus achieving the deep sleeping and waking of the processor and the communication module and achieving the purpose of saving the energy of the monitoring nodes and guaranteeing that the target intruding the monitoring area can be reliably monitored at the same time. The invention has the characteristics of low cost, low power consumption, flexible arrangement and high applicability and overcomes the defects that the conventional video monitoring method for monitoring the intrusion has complex installation, poor concealment, vulnerable circuit and limited monitoring range and requires artificial event discrimination.

The invention provides a live action navigation method and a live action navigation device. The live action navigation method comprises the following steps of: obtaining a real image I of the current scene of a user from a user image collection device; obtaining an image, which corresponds to a geographic position at a distance from the current geographic position of the user in a predetermined range, from a network image database so as to form an image data set U; transmitting the real image I and the image data set U to an image matching system, and obtaining an image U0 in the image data set U, which has highest matching degree to the real image I, from the image matching system; determining orientation information of the image U0 from the network image database, and determining a route of the user by utilizing the orientation information, a geographic position B and an action path from the current geographic position B of the user to a destination A. According to the invention, the route to the destination can be conveniently selected by the user, and the data quantity received by a mobile terminal is reduced.

Embodiments of the present invention provide a method, a device, and a system for configuring a component carrier in a carrier aggregation scenario. The method for configuring a component carrier in a carrier aggregation scenario includes: obtaining information about a component carrier supported by a UE; selecting a candidate component carrier according to the information about the component carrier and configuring a resource parameter that is applied to the candidate component carrier to form configuration information about the candidate component carrier; and delivering the configuration information about the candidate component carrier to the UE. In the embodiments of the present invention, a base station may select a candidate component carrier for the UE according to obtained component carrier support information and perform resource configuration, so that the UE can accurately know to which component carrier a resource parameter is applied, and thus a data transmission error may be reduced.

The invention discloses a frequency changing method of digital middle-frequency signals used in a repeater station system, which comprises two steps of an up frequency changing process and a down frequency changing process: in the down frequency changing process, the middle-frequency signals after digital analog conversion are processed by digital wave filtering processes such as an extraction process, a bandpass compensation, a signal shaping process, etc. after a digital frequency mixing process, the middle-frequency signals can be moved to a zero middle-frequency, a digital signal with the high speed rate can extracted as two-channel quadrature digital baseband I, Q signal with a low speed rate; in the up frequency changing process, the digital baseband I, Q signals acquired from the down frequency changing process are processed by an interpolation filtering process, then processed by I, Q modulation process and a secondary frequency mixing process, and the signals can be processed by a gain adjustment and control, finally high speed digital middle-frequency signals are outputted. Correspondingly, the invention also discloses a frequency changing system thereof. The invention can be achieved by using PLC units such as FPGA, CPLD, EPLD and DSP, etc., which can improve the integration degree of repeater station equipment; meanwhile, an ASIC chip is removed to decrease heating capacity and to improve the reliability.

Short range wireless communication is provided. A first node included in a Wireless Body Area Network (WBAN) communicates with at least one neighboring second node. The first node transmits or receives data to or from at least one device node connected to the first node during a time division communication period, using a super-frame in which the time division communication period, a time division schedule advertisement message transmission period, and a Contention Access Period (CAP) are sequentially arranged. The first node broadcasts a time division schedule advertisement message of the first node to the at least one second node during the time division schedule advertisement message transmission period within the super-frame. Upon receiving a time division schedule advertisement message from the second node during the CAP within the super-frame, the first node adjusts a data transmission or reception time for the at least one device node connected to the first node using the received time division schedule advertisement message.

A bridge device for connecting a USB 3 host device with a plurality of downstream, non-USB 3 mass storage devices, such as SATA or PATA devices. The bridge device comprises an embedded hub having a plurality of internal USB 3 devices. The internal USB 3 devices do not have a physical USB 3 interface. The bridge device also has at least one downstream physical non-USB 3 device, to which a mass storage device may be attached. The internal USB 3 devices enable the host device to be presented with a plurality of USB 3 devices. This, in turn, allows transfer to the plurality of downstream physical non-USB 3 devices, via the internal USB 3 devices at an increased rate. The bridge may also include a downstream physical USB 3 interface. This can allow multiple bridge devices to be connected together in a cascade.

A method for configuring a sounding reference signal power control parameter in a time-division duplexing system, for application in a terminal and system and comprising: a terminal determining a power control parameter of a sounding reference signal SRS resource and determining, according to the power control parameter, the transmission power of the sounding reference signal; the terminal transmitting the sounding reference signal SRS according to the determined transmission power of the sounding reference signal SRS; a base station determining the power control parameter used by the terminal on the SRS resource; the base station receiving the SRS signal according to the power control parameter. The embodiments of the present invention also disclose a system for configuring a sounding reference signal power control parameter in a time-division duplexing system, said system corresponding to the described method. The embodiments of the present invention are flexible and can increase TDD uplink resource utilization.

A two-hop distant node is recognized by exchanging a Hello message, and an RTS message is transmitted through a doubled transmission distance prior to transmission of a data packet. Each node manages a channel available to a self node and an adjacent node in a channel status table based on the RTS message. A node which tries to transmit the data packet refers to the channel status table, so as to be capable of easily selecting a channel available to the self node and a node of a communication destination. Transmission wireless field strength is enhanced or a modulating system strongly resistant to noises is used so that the RTS message is transmitted at a distance which is not less than twice as long as that of the Hello message and the data packet.

A communication method includes re-transmitting, from a transmitter to a receiver, a packet or a plurality of packet segments formed by segmenting the packet, when the transmitter receives a re-transmission request from the receiver. The packet includes identification information and information indicating that the packet is not segmented. The packet segments include the identification information, information indicating that the packet is segmented, and information for assembling the packet segments.

A method and apparatus for recording data wherein the amount of light reflected from a disk is detected, and it is determined according to the amount of reflected light whether the disk is a recordable disk or a rewritable disk. The disk is controlled according to the result of determination such that it is rotated at a constant angular velocity (CAV) or at a constant linear velocity (CLV) and recording is executed. Further, rotation driving control of the disk is selected according to factors other than the type of the disk, such as according to whether random recording is allowed or not, according to a recording state in the disk, according to whether an alternative area is provided or not, according to a recording start position, or according to whether initialization is required or not. CLV control or CAV control is appropriately selected for a disk at recording to suppress a reduction in accessibility and a reduction in data transmission rate.

The invention provides an Internet of things gateway, which comprises an interface connection module, an information receiving module, and a protocol conversion module, wherein the interface connection module is used for being connected with a wireless sensing terminal for data interaction; the information receiving module is used for receiving sensing data via the interface connection module from the wireless sensing terminal and sending control information to the wireless sensing terminal; and the protocol conversion module is used for converting a message protocol in a JSON type defined by an Internet of things management platform into an actual control protocol corresponding to the wireless sensing terminal according to the type of the wireless sensing terminal or converting the sensing data to a JSON type format in a unified mode and sending the format to the Internet of things management platform, thereby realizing protocol conversion and matching between each node and the Internet of things management platform in a wireless sensing network.

The invention discloses a method used to build contact list, manage contact information in instant communication. It includes the following steps: obtaining contact information from the client-side; storing the basic information in the basic information list; storing the detailed information in the detailed information list; associating them by contact mark information and storing them in client-side and instant communicating server. The invention can enlarge the information in the contact list, increase instant communicating client-side logging, downloading speed, and avoid instant performance from descending caused by downloading mass information at the same time.

An object localising system comprises sensor devices at different sites, each sensor device being capable of detecting a signal from an object, and control means for repeatedly responding to the outputs of the sensor devices by selecting a sub-set of the devices and determining the amount by which the times at which the devices of the sub-set receive the signal are delayed with respect to each other to enable calculation of the current location of the object. Each sensor device can be switched between a master mode, in which the device is operable to transmit events derived from a signal from an object, and a slave mode, in which the device is responsive to such events from another sensor device for processing its own signal in order to determine the time delay between receipt of the signals by the sensors of the respective devices.