60results about How to "Simplify implementation complexity" patented technology

The invention relates to a method of realizing combined message service in a wireless communication network and a system thereof, which essentially comprises the following steps: firstly, a network side receives a message which needs to send and the message is a combined message or a non-combined message. The combined message relates to a alternating message type with format unification between the network side and user equipment supporting the combined message; and then, corresponding user information is confirmed on the basis of the information loading in the message, and the user information comprises the conversion process strategy between the combined message and the non-combined message; finally, the conversion process of the message which needs to send is processed according to determined user information and the message after conversion process is sent; therefore, the invention not only can solve the disadvantages that is caused by the silo-type structure of various service systems in the wireless communication network, but also simplify the achievement complexity of the user equipment.

Being adopted for modulation method in the invention, waveform storing quadrature modulation includes steps: decomposing Phase Phi(t, Alpha) to Thetan and Theta (t, Alpha); building a corresponding look up table, storing their sine value and cosine value; through look up table to obtain sine value and cosine value of Thetan and Theta (t, Alpha); then through difference operation to obtain baseband signal. Being adopted for demodulation method in the invention, simplified noncoherent viterbi algorithm simplifies state of CPM signal as Sigman'; receiver processes the intermediate frequency signal to obtain complex baseband signal GammaB (t); the baseband signal multiplied by a delayed and shifted signal obtains baseband differential signal; according to grid chart, calculating branch measure of each state Sigma n+1'; then estimating not simplified ML state Sigma' n+1 (Sigma' n+1), and tracing back to output code element. Features are: easy of calculation and implementation and robustness.

The invention discloses a multi-cell data transmission method which comprises the following steps: for a UE, selecting a number N of antenna ports in a pre-determined antenna port number set, and determining the N antenna ports in all cells in a collaborative cell set of the UE; issuing the instruction information of the determined N antenna ports to the UE through at lease one cell in the collaborative cell set; and sending data to the UE through the N antenna ports. In addition, the invention also discloses a corresponding method process for the UE to receive data and the structures of network side equipment and the UE. The invention can reduce the complicacy of the UE and system realization in multi-cell data transmission.

This invention relates to a method for constructing new non-standard replacement matrix LDPC codes characterizing that under the principle of optimizing the smallest ring circuit, it takes each sub-block as the smallest unit and utilizes a binary chart with weight to determine the position of the sub-block and the deviation of circulation shift: simplifying the binary chart with bit as the unit of the LDPC code to that with a sub-block as the unit based on the property of the matrix of a replacement unit, then applying the traditional PEG algorithm with the bit as the unit to the new chart with the sub-block as the unit to determine the position of every replacement unit matrix of the H matrix and finally utilizing the ring circuit property of the LDPC code to decide the deviation of circular shift of each replacement unit matrix.

The invention discloses a method for synchronously inhibiting radar clutter and multiple interferences based on power distinction, and is suitable for a signal processing system of sky-wave over-the-horizon radar. The method realizes the separation of strong clutter, interferences and target signal using the power difference among the clutter, interferences and target signal, and can effectively inhibit clutter and multiple interferences including transient interference and shared-frequency asynchronous interference. The specific steps are showed in the figure 1. Compared with the prior method, the method does not need to detect and analyze the clutter and multiple interferences complicatedly, has obvious effect on the randomly varied interferences of all parameters and clutter, and has strong applicability. The invention uses the separated strong clutter as a standard signal to correct phase pollution, can realize phase correction and inhibit the clutter and interferences synchronously, and simplify the signal processing process of the sky-wave over-the-horizon radar. The invention is not limited to the sky-wave over-the-horizon radar system, can be widely applied to multiple large-scale phased array radars, and has wide application value.

The invention discloses a fast SRP sound source positioning method. The method comprises the steps that the optimal weight of a Farrow structure beamformer is acquired; the phase weighting function of the Farrow structure beamformer SRP-PHAT is calculated; the sum of generalized cross-correlation functions of all pairwise microphones of the Farrow structure beamformer SRP-PHAT is calculated and latched; product adding is carried out on a latched output signal and a unique yawing parameter D relevant to the scanning angle of the Farrow structure beamformer, so as to acquire the instantaneous power of a corresponding scanning point; the maximum peak is searched to acquire a corresponding positioning angle theta r'; and finally calibration is carried out to eliminate system errors of the Farrow structure beamformer to acquire a final theta r. Compared with former SRP-PHAT, the method provided by the invention has the advantages of reduced computation amount, higher reverberation and noise robustness, and higher azimuth estimation accuracy.

The invention discloses a graphic display system for a nuclear power plant safety-level DCS system. The graphic display system comprises a bus interface, a FGPU functional block, a BUFFER0, and a BUFFER1, wherein the bus interface is used for achieving the interfaces of the system and other external processors; the FGPU functional block is used for sequential control, drawing task scheduling, control instruction state decoding, and LCD display refresh control; and the BUFFER0 and the BUFFER1 are used for generating graphic data, and performing access control on static random access memories SRAM0 and SRAM1. The graphic display system solves the defect of the graphic display control of a conventional nuclear power plant safety-level DCS system, realizes the technical effects of flexible system interface, perfect functions, open-source design, open architecture and simplified hardware design.

The invention discloses a flow table management method and device, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: receiving identification information of a data message by using a hardware module; searching an index entry corresponding to the identification information of the data message in a first flow table by using the hardware module, and searching a target flow table entry matched with the index entry and the identification information of the data message in a second flow table, wherein the second flow table comprises an identification field, a forwarding field and an index field; if the matching is successful, forwarding the data message by using the hardware module according to a field value of a forwarding field in the target flow table item; and if the matching fails, controlling the hardware module to send the data message to a software module. According to the implementation mode, by reasonably dividing the functions of the software module and the hardware module, the implementation complexity of the hardware module can be simplified, and the use resources and cost of the hardware module are reduced.

The embodiment of the invention discloses an apparatus for achieving video source switching special effects. The apparatus comprises a control logic module used for analyzing an input control signal to obtain control parameters; a logic processing module provided with an output interface and comprising a parameter acquisition unit; a plurality of switching special effect processing units; and a special effect output unit; wherein the logic processing module obtains the control parameters via the parameter acquisition unit, causes a target switching special effect processing unit in the plurality of switching special effect processing units to perform video source switching special effect processing under the control the obtained control parameters, and causes the special effect output unitto connect with the output interface to output the special effect processing result. The embodiment of the invention further discloses a method for achieving video source switching special effects. By adoption of the embodiment of the invention, the implementation complexity of various switching special effects can be simplified, the module transportability is improved, and the universality of the video processing device is enhanced.

The invention provides a method and a device using space-frequency block codes in an adaptive modulation and coding (AMC) scheme. Data are mapped to a space domain and a frequency domain by the space-frequency block codes, and an even number of sub-carriers are needed only in a frequency direction without limitation in a time direction, so that AMC 2*3 time slot structure not only can support single-current transmission, but also can support double-current transmission in a matrix A format and a matrix B format. Both the single-current transmission and the double-current transmission adopt one set of AMC 2*3 time slot structure, so the method and the device not only greatly reduce implementation cost and simplify the complexity of software and hardware, but also greatly reduce the cachingneeds and the decoding time delay of a system.

The invention discloses a satellite signal transmitting device based on different bandwidth configurations. The satellite signal transmitting device comprises a serial-to-parallel conversion module, a discrete Fourier transformation module, a sub-carrier mapping module, a sub-carrier signal weighting module, a reverse fast Fourier transformation module and a digital-to-analog conversion module. According to the satellite signal transmitting device disclosed by the invention, under the premise of fixing the carrier frequency of radio frequency signals and the sampling and shaping frequency of digital basebands, the channel bandwidth of satellite communication equipment can be temporarily configured according to the actual needs of customers and system operations, and the channel waveform can be dynamically generated.

The invention provides a sound source orientation method. The method comprises the steps of obtaining a plurality of sound input signals; calculating an accumulated sound signal of the plurality of sound input signals in each preset direction in the plurality of preset directions, and setting a directional judgment parameter for each accumulated sound signal to judge whether the preset direction corresponding to the accumulated sound signal is the sound source direction of the sound input signal or not; calculating the intensity characteristic value of the accumulated sound signal in each preset direction; comparing the intensity characteristic values of all the accumulated sound signals, and updating the values of the directional judgment parameters of all the accumulated sound signals according to the comparison result; and judging that the preset direction corresponding to one of the accumulated sound signals is the sound source direction of the sound input signal according to the value of the directional judgment parameter of each accumulated sound signal. In the method, the directional judgment parameter carries historical intensity information of the accumulated sound signal,so that sound source direction judgment only according to the current intensity of the sound signal is avoided. The invention also provides a corresponding sound source orientation device and a computer readable storage medium.

The invention belongs to the technical field of wireless communication, and particularly relates to a near-far field unified transmitted beam forming method in a terahertz communication system. The method comprises the following steps: establishing a spherical wavefront transmitting beam model combining FDA technology and phased array with maximum transmitting power at a receiving target; establishing a transmitting beam half-power analytic model according to the established transmitting beam model; according to the current system parameter configuration, calculating a space coverage range of a current phased array transmitting beam pattern; comparing with a given coverage threshold, if the coverage exceeds the threshold, affirming that the communication belongs to a far field communication category at the moment, at the moment, needing to use a terahertz communication transmitting beam scheme combining an FDA technology and a phased array, and at the moment, taking a transmitting beam pattern analytical model as the generated transmitting beam analytical model; otherwise, it is affirmed that the communication scene belongs to the near field communication category at the moment, only a phased array transmitting beam scheme is used, and a phased array transmitting beam half-power analysis model is adopted at the moment. The method is low in complexity and easy to implement.

The invention provides a voice activity detection method which comprises the following steps: acquiring a voice input signal; filtering the voice input signal to obtain a filtered voice signal; calculating a ratio of energy of the filtered voice signal to energy of the voice input signal; and comparing the ratio with a predefined threshold, and judging whether target voice activity exists according to the comparison result. According to the method, the energy of the filtered voice signal and the energy of the voice input signal can be calculated by virtue of time domain calculation only, and the complexity of frequency transformation and calculation in the frequency domain can be avoided, so that the calculation process and the complexity are simplified, and the operating power consumptionof equipment is reduced. In addition, with the adoption of a down-sampler in the filtering module, the overall realization complexity of the filtering module is obviously simplified. The invention further provides a corresponding voice activity detection device and a computer-readable storage medium.

The invention discloses an anti-interference method and an anti-interference device. The method comprises the steps of detecting and receiving a data packet sent from a sending node on at least one carrier wave by a receiving node; demodulating and processing the data packet by the receiving node and outputting the soft information; merging the soft information of the data packet on the carrier wave by the receiving node, demodulating and processing the merged and processed soft information, and identifying whether a decoded result is correct or not; if the data packet is retransmitted on thecorresponding carrier wave, merging and processing the soft information on the carrier wave where the data packet is arranged; converging each decoded result on the carrier wave corresponding to the data packet by the receiving node; if at least one decoded result is correct, determining that the data packet is successfully received, and feeding back the ACK information to the sending node. The implementation complexity of a base station is simplified. Meanwhile, the requirements of various terminals on the anti-interference capability are well met. The method and the device are suitable for scenes wherein interference factors are continuously changed.

The present invention provides a method for realizing the distribution of sources, which comprises the following steps: ability grades for supporting SF are arranged at a terminal, and ability information containing the SF ability grades is reported to a network side; after the network side knows the ability information of the terminal containing the ability grades for supporting the SF, a base station is noticed; sources are distributed to the terminal by the base station according to the ability information; the terminal receives and obtains down data in a united detecting type on the source of the base station distributed to the terminal. The present invention also provides a system and a device for realizing the distribution of the sources. By using the method, the system and the device, the complexity of the united detection processing of an MIMO terminal can be simplified; and meanwhile, the terminal can be arranged to support different SFs, so the complexity of hardware realization and development of terminal firm developing products can also be simplified.

The embodiment of the invention provides a marked data processing method and device and a storage medium. The method is applied to the terminal equipment and comprises the steps that it is detected that a target control is triggered, and the target control is used for triggering an operation of displaying an account information page; and displaying an account information page in a display area ofa display screen of the terminal device, wherein the account information page is at least used for loading and displaying the first mark data obtained by marking in the non-login state. According to the method provided by the embodiment of the invention, the implementation complexity of the marking operation is reduced.

Being adopted for modulation method in the invention, waveform storing quadrature modulation includes steps: decomposing Phase Phi(t, Alpha) to Thetan and Theta (t, Alpha); building a corresponding look up table, storing their sine value and cosine value; through look up table to obtain sine value and cosine value of Thetan and Theta (t, Alpha); then through difference operation to obtain baseband signal. Being adopted for demodulation method in the invention, simplified noncoherent viterbi algorithm simplifies state of CPM signal as Sigman'; receiver processes the intermediate frequency signal to obtain complex baseband signal GammaB (t); the baseband signal multiplied by a delayed and shifted signal obtains baseband differential signal; according to grid chart, calculating branch measure of each state Sigma n+1'; then estimating not simplified ML state Sigma' n+1 (Sigma' n+1), and tracing back to output code element. Features are: easy of calculation and implementation and robustness.

The invention discloses a method for transmitting half-rate voice data, which comprises the following steps: (a) a baseband processing unit packages the half-rate voice service data in the format of transcoder rate adapter unit (TRAU) frame, and transmits on high-speed channel main time slot; (b) a fast Ethernet interface board travels the high-speed channel main time slot data corresponding to the wireless time slot and performs the synchronous head search, after finding the synchronous head, the fast Ethernet interface board strips the half-rate voice data extracted from the synchronous head if judging that the voice data type represented by the control bit is half-rate type, and then transfers for the next uplink treatment. The inventive method can reduce the operating load cost and complexity of the interface processing unit and thereby reduce the software implementation complexity and hardware single board cost of fast Ethernet interface board.

This invention relates to a method for constructing new non-standard replacement matrix LDPC codes characterizing that under the principle of optimizing the smallest ring circuit, it takes each sub-block as the smallest unit and utilizes a binary chart with weight to determine the position of the sub-block and the deviation of circulation shift: simplifying the binary chart with bit as the unit of the LDPC code to that with a sub-block as the unit based on the property of the matrix of a replacement unit, then applying the traditional PEG algorithm with the bit as the unit to the new chart with the sub-block as the unit to determine the position of every replacement unit matrix of the H matrix and finally utilizing the ring circuit property of the LDPC code to decide the deviation of circular shift of each replacement unit matrix.

The invention discloses a cross-platform converged communication method in a satellite-ground integrated frequency hopping satellite system, and belongs to the technical field of satellite communication. Aiming at comprehensive application of different types of platforms such as vehicles, ships, helicopters, unmanned aerial vehicles and the like in a satellite-ground integrated frequency hopping satellite communication system, uplink and downlink transmission parameters are configured as required, time slots in an uplink carrier group and a downlink carrier are divided and distributed, and theuplink and downlink transmission parameters are changed by time slots. Specialty requirements of different types of platforms are met, and cross-platform converged communication based on unified carriers and signal frames in an uplink and a downlink is achieved. Under the condition of meeting the comprehensive application requirements of various platforms, the equipment implementation complexityand cost can be reduced, and meanwhile, the system resource utilization rate and the platform application flexibility are improved.

The present invention provides a method and an apparatus for generating secondary synchronization signals, wherein the method comprises steps of: determining a value of iteration times M according to a total number N of cell ID groups or a cell ID group index NID(1), wherein M is a natural number; calculating to obtain M cyclic shift accumulation parameters qk (k=0, 1 . . . M−1) through M times of iterations; calculating a common cyclic shift factor m′ through q0; calculating a first cyclic shift value m0 and a second cyclic shift value m1 according to m′; and generating the secondary synchronization signals according to m0 and m1. The present invention solves the problem that the method for generating the secondary synchronization signals in related arts cannot support a greater number of cell ID groups.

The invention relates to an arbitration method of exchange network, wherein each input buffer inputs one exchange request to arbitrator; based on exchange allowance, building connection allowance with relative output unit; on the idle input buffer and output unit without connection, arbitrator uses random distribution to build one-to-one connection with all input buffer and output unit. The invention can reduce the consumptions of exchange request and exchange allowance, to improve the bandwidth utilization. And since it uses random distribution, the arbitrator can access optimized effect, to reduce complexity and improve throughout efficiency.

The invention provides a sound source orientation method. The sound source orientation method comprises the steps of obtaining a plurality of sound input signals; calculating an accumulated sound signal of the plurality of sound input signals in each preset direction in the plurality of preset directions; filtering the accumulated sound signal calculated in each preset direction to obtain a filtered sound signal in each preset direction; calculating the ratio of the energy of the filtered sound signal in each preset direction to the energy of the accumulated sound signal before filtering in the preset direction; and determining the preset direction corresponding to the maximum ratio as the sound source direction of the sound input signal. According to the method, for each preset direction,the ratio is calculated according to the energy of the same accumulated sound signal before and after filtering, so that noise interference is avoided; due to the fact that the filter with the presetpass band is adopted, the sound source direction of specific sound can be judged. The invention also provides a corresponding sound source orientation device and a computer readable storage medium.

The invention discloses a method and system for realizing application differential guarantee. The method comprises the following steps: an IDG client sending an L2TP (layer 2 tunneling protocol) tunnel application to an IDG gateway, wherein the L2TP tunnel application comprises an application account and password of a specific application; the IDG gateway requesting a L2TP AAA system to authenticate the application account and password; if the authentication is passed, distributing a specific address to the specific application; the IDG client transmitting uplink data traffic of the specific application to the IDG gateway through the L2TP tunnel; a core router routing the uplink data traffic to a CN2 carrier (Chinatelecom Next carrier network) based on a source address route-policy; an outlet router of the IDG routing downlink data traffic to the CN2 carrier based on a destination address route-policy; and the IDG gateway transmitting the downlink data traffic to the IDG client through the L2TP tunnel. The embodiment of the invention can meet the end-to-end differential guarantee demand of specific users and applications in the network.

The invention relates to the field of energy efficiency data acquisition and energy efficiency management, in particular to a multimedia energy efficiency monitoring method. A multimedia energy efficiency monitoring terminal is prepared, the terminal comprises a multimedia digital processing unit and a co-processing unit which are mutually connected through a real-time ethernet network. According to the multimedia energy efficiency monitoring method, the function of energy consumption data acquisition is achieved, data acquisition is combined with data multimedia displaying and data analysis, a creative technological means is provided for energy efficiency monitoring, the implementation complexity of an energy efficiency monitoring system can be greatly reduced, and the practical value of the energy efficiency monitoring system is greatly increased.

The invention discloses a design method for separating a computing function and a management function of a server. The method comprises the following steps of separating interfaces between computing function entities and management function entities of the server from physics, and realizing all management function entities on an independent single board or device to form a management function resource pool; connecting the management function resource pool and each computing function entity through an outer cable or a backboard bus, and dynamically distributing and flexibly customizing the corresponding relationship between each management function entity in the management function resource pool and each computing function entity under the operation and maintenance background, wherein the management function entities comprise BMC (baseboard management controller), SMC (shelf management controller) and RMC (rack management controller). The design method has the advantages that by compounding the BMC / SMC / RMC functions, the system cost is reduced, and the working efficiency of node management is improved; by integrating the management, monitoring and configuration, the networking between an equipment foreground and an operation and maintenance background is simplified, and the number of PC (personal computers) of the operation and maintenance background is reduced.

The invention discloses a system architecture of a low-orbit navigation enhancement system, which comprises a low-orbit satellite constellation, a ground operation control system and a user side. The ground operation control system comprises a main control station and a monitoring station; a low-orbit satellite-borne GNSS receiver receives a GNSS navigation signal and modulates observation data into a low-orbit navigation signal; the monitoring station which receives a low-orbit navigation signal to obtain the observed quantity of the ground to a low-orbit satellite and demodulates a navigation message to obtain the satellite-borne GNSS observed quantity, and the master control station estimates an orbit and a star clock of the low-orbit satellite by using the satellite-borne and ground observed quantity, arranges a precise ephemeris into a message according to a specific format, and uploads the message to the Internet; and the user side obtains the precise ephemeris through the mobile communication network, and finally high-precision positioning is completed. According to the system architecture provided by the invention, a satellite-ground communication link does not need to be established between the low-orbit satellite and the ground operation and control system, so that the implementation complexity of the satellite load is greatly simplified, and the construction cost of the ground operation and control system is reduced.