56results about How to "Simplify overhead" patented technology

A radio communication device includes a reception unit for receiving a route request message from another radio communication device, a route control message processing unit for judging whether the received route request message is addressed to itself or not, a route request message management unit for deciding a delay amount for delaying response transmission or relay forwarding with regard to the route request message according to an operating state of the radio communication device when the route request message is not addressed to itself, and a delay processing unit which performs response transmission or relay forwarding to the route request message when the delay amount time has expired. Thus, a route selected giving preference to radio communication devices having a preferable operating state can be obtained.

This invention relates to methods for transmitting and receiving transmit power control commands from a base station to a group of mobile terminals in a OFDM based mobile communication system using component carrier aggregation of plural component carriers. Furthermore, the invention also relates to an implementation of these methods in hardware and software. The invention suggests an efficient scheme for signaling transmit power control commands. In one signaling format multiple TPC commands are sent for the uplink component carriers of a mobile terminal in one TPC message. In another signaling format, the TPC commands for the mobile terminal are signaled in respective TPC messages. A further aspect of the invention is the reduction of signaling overhead by signaling carrier group TPC commands that control the transmit power of a group of component carriers. Similarly, an all carrier TPC command is provided to control the transmit power on all uplink component carriers of a mobile terminal.

Disclosed is a data storage architecture employing a plurality of data grids each comprising an array of equal capacity data storage blocks organized into a plurality of rows and a plurality of columns such that each column corresponds to a storage domain in a data storage system and each row of the plurality of rows corresponds to a plurality of data storage blocks, one data storage block from each column of the plurality of columns at the same physical address, with the plurality of rows each having a plurality of contiguous data storage blocks in each domain. Capacity grids are produce by applying one of a plurality of sparing versions that designate at least one data storage block in each row of the grid is designated as spare, Defined within each capacity grid are one or more data storage units. Each data storage unit reflects a storage format, such as a RAID level, and defines data storage blocks, mirror data blocks, and parity data blocks depending upon storage the format and can provide fault tolerance in the event of a domain failure. User data is stored exclusively in a first portion of the grid and parity data, if any, is exclusively stored in a second portion of the grid, providing optimized performance. Data access employs metadata that may comprise grid and storage unit descriptors, data storage unit format, and a sparing table.

The invention discloses a joint estimation method for synchronizing frames, frequencies and fine symbols for orthogonal frequency division multiplexing (OFDM). The method comprises the following steps: carrying out autocorrelation operations of small point length and big point length on base band data sequences at the receiving terminal in parallel; jointly determining the frame synchronization position in real time and in parallel according to the small point autocorrelation peak and the big point autocorrelation peak; computing integer frequency offset coarse estimation value and decimal fraction frequency offset coarse estimation value according to the small point autocorrelation peak and the big point autocorrelation peak; estimating the final frequency offset detection value from the integer frequency offset coarse estimation value and the decimal fraction frequency offset coarse estimation value with a frequency offset dereferencing decision device; carrying out frequency offset correction on the base band data sequences according to the estimated final frequency offset detection value; and carrying out cross-correlation on the corrected base band data sequences and the local data sequences and determining the accurate fine symbol synchronization position through the cross-correlation peak. The contradiction of complex system measure function hardware design in the traditional time-domain joint estimation systems is solved by using the method.

A method, apparatus, article of manufacture, and a memory structure for inserting a watermark in a media program is described. In an exemplary embodiment, the method comprises the steps of receiving data comprising the media program in the receiver disposed at a subscriber station, generating a watermark, the watermark generated at least in part according to a secure data processor-unique identifier irreversibly stored in the secure data processor, processing the received data to reproduce the media program, and inserting portions of the generated watermark in the reproduced media program at locations determined at least in part according to the secure data processor-unique identifier to produce a watermarked media program provided for display.

Embodiments of the invention disclose a block chain processing method, a bookkeeping node and a verification node. The block chain processing method applied to the bookkeeping node comprises the stepsof receiving trading information of at least two trading types; based on a consensus mechanism, forming blocks by the trading information of the at least two trading types passing the verification; and releasing the blocks to a block chain network, wherein the blocks are linked according to a trading time sequence corresponding to the trading information to form a block chain, and the block chaincomprises the trading information of the at least two trading types. According to the block chain processing method provided by the embodiment of the invention, the bookkeeping node can receive the trading information of the at least two trading types, and the trading information of the at least two trading types is fused and recorded in the block chain, so that the quantities of blocks and blockchains are reduced, the number and types of bookkeeping nodes in the block chain network are reduced, and the block chain network and the system overhead are simplified and reduced.

A method and apparatus for producing an electronic circuit which allows a device to be connected to a bus, such as a system bus in a computer. The invention accepts user specified parameters for configuring a device adapter which interfaces the device to the bus, and thereafter generates a customized device adapter based on such user specified parameters. By using a common design macro, which is programmable, a user can easily specify and generate custom device adapters for a plurality of dissimilar devices to be connected to the bus. A resulting adapter architecture allows for multiple, dissimilar devices to interface to a computer bus with a single device adapter integrated circuit or card.

The present invention is directed to a fence and related methods for making a fence panel and for connecting the panel to other panels to form a modular type fence. The invention preferably includes a generally planar section of fencing material formed from spaced-apart wires, and at least two non-parallel stiffening portions deforming the fence section from the aforementioned generally planar configuration.

The invention discloses a picture rendering method and device, a storage medium and an electronic device. The method comprises the following steps of acquiring model data of a target object in a target scene, wherein the model data is used for representing a model of the target object displayed in the target scene; converting the model data into shape data corresponding to a target object, whereinthe shape data is used to represent the geometry of the model; generating the shadow map of the model in the target scene according to the shape data, wherein the shadow map is used for carrying theshadow formed by the model in the target scene; according to the model data and shadow map, rendering the target scene corresponding to the screen. The invention solves the technical problem in the related art that the overhead of rendering shadows in a picture is too large to affect the display efficiency of the picture.

The invention relates to the technical field of communication data security, in particular to an electric power data private communication method based on a hybrid encryption algorithm. The method comprises the following steps that a sender randomly generates an AES session key and encrypts an electric power data plaintext m to be transmitted by using the session key to obtain a ciphertext M; thesender encrypts by adopting an elliptical encryption algorithm session key to obtain an encrypted key, and uses a digital signature; the ciphertext M, the encrypted key and the digital signature are sent to a receiver; the receiver decrypts the session key by using an ECC decryption algorithm and performs signature verification; if the signature verification is passed, the ciphertext M is decrypted by using the session key to obtain original power data m; if the signature does not pass, the error information is returned. Through hybrid encryption, the confidentiality and integrity of the dataare ensured, the encryption and decryption speeds are increased, meanwhile, the problems of key management and distribution of an AES encryption algorithm are solved, and the power data communicationprocess is optimized.

The invention provides a method for realizing a parallel Turbo code interweaver and used in LTE (Long Term Evolution). The method comprises the following steps: establishing a recursion relationship expression which is adaptive to FPGA (Field Programmable Gate Array) and is output by an interweaver; establishing an auxiliary recursion relationship expression; establishing an initial value recursion relationship expression and an auxiliary relationship expression thereof; establishing a data splitting and combination mode which is convenient to calculate a mold to a K value; establishing an interweaving constant table; establishing corresponding relationship of a code block length and an interweaving constant table address; and realizing the parallel LTETurbo code interweaver in the FPGA. The interweaver accomplishes the output of eight interweaving addresses within one clock period; the eight addresses respectively read eight RAM (Random-Access Memory) with same content; a main control module is adopted to process so as to obtain eight bit data outputs; the calculation complexity of an existing parallel interweaver is reduced; the efficiency is eight times higher than that of a traditional 10bit interweaver; and the method has an extremely high commercial value in an LTE communication system.

The invention discloses a method for the combined treatment of routing and sub-channel assignment in an orthogonal frequency division multiplexing (OFDM) multiple access relay system. The method comprises the following steps: (1) a UT sends the bandwidth request and the channel measuring signal to an adjacent RS; (2) each RS selects a target sub-channel set on an RS-UT link, and reports the information to a BS; (3) the BS selects a corresponding RS on the RS-UT link, and reckons the RS in an RS set to be selected; (4) the BS selects an RS with the least elements of the sub-channel set from the RS set as a target relay station RS_R, and assigns sub-channels for links respectively; and (5) the BS informs the target relay station RS_R of the related information; and the target relay station RS_R analyzes the information and informs the UT and transmits the feedback to the BS. The invention takes the channel condition among the relay station, the user terminal and a base station into comprehensive consideration, wherein the relay station selection and the sub-channel assignment are interdependent, therefore, the adaptive capacity of the selected target relay station is improved.

The invention relates to a payment method, and especially relates to a payment method having public consumption preauthorization and belongs to the technical field of enterprise payment. A consumption payment request terminal, a management terminal and a background support terminal can be interacted through a server; the server obtains a preauthorization application draft from natural language of consumption communication content; preauthorization application conditions can be obtained according to the preauthorization application draft; when carrying out payment, the server can verify a payment verification request, thereby meeting the requirements of outworkers for service flexibility (time, place, sum and the like), and meanwhile, meeting the requirements of managers of the outworkers and background support personnel in participating in the service process, especially the payment process; and the method can be used for enhancing supervision of business activities of the outworkers, and meanwhile, simplifying expense management and expense reimbursement processing procedures of enterprises and public institutions.

The system is composed of frequency measurement circuit, preprocessing circuit, interface circuit between ADC and F2812, AC data acquisition circuit, circuit for collecting switching values, phase shifting pulse forming circuit, and power output circuit. Advantages of the invention are: (1) combining with relevant DSP programming, the device simplifies design of hardware; (2) using DSP chip contraposed to area of motor and motion control; (3) AC sampling is adopted in data acquisition unit so as to omit electric quantity transmitter in excitation controller and simplify hardware spending and reduce workload for system maintenance; (4) using data calculating and processing capabilities of DSP to raise speed and precision for collecting data as well as to raise real time response of excitation controller.

The invention discloses a configurable data acquisition system for industrial equipment. The system is characterized in that production equipment is connected with a control unit through an industrialbus, and an OPC server is arranged between a control unit and a data acquisition unit, the data acquisition unit is further connected with a database, the OPC server is used for collecting the real-time data, transmitted by the control unit, of the production equipment, the data acquisition unit acquires the real-time data as required according to configuration, caches the real-time data and stores the cached data into the database, and the database is used for persistently storing the data. The invention further discloses a configurable data acquisition method and an online modification method for the industrial equipment. According to the system, flexible configuration and acquisition of data acquisition requirements of different types of equipment and different numbers of equipment canbe realized.

Disclosed is a design method of an extensible general P2P network simulator; firstly, the technology frame is defined for the simulation of the P2P network to construct a multilayer structure model of the P2P network; and then a separated event container is provided for each layer of the multilayer structure; the abstraction in the object level is provided for the system state; the system is enabled to use the mode that the event container contains multimode objects to simulate the multimode coexistence in the practical system; finally, all the behaviors and states of the system are abstracted to be objects; all the objects are provided with unified processing interfaces to guarantee the consistency of the event processing. The design of an extensible general P2P network simulator provides the P2P protocol realized in the simulator with the unified abstraction process through the unified system behavior abstraction method and simplifies the simulation realization cost of the practical protocol; compared with the prior art, the design method of an extensible general P2P network simulator has the advantages of simulating the behavior features of the practical P2P network system completely, providing the simulator with good extensibility, usability and generality.