Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

377results about How to "Guarantee fairness" patented technology

Intelligent review expert recommending method for science and technology projects

The invention provides an intelligent review expert recommending method for science and technology projects. The method includes the following steps that (1) the science and technology projects to be reviewed and expert information main texts are segmented into substring sequences, ICTCLAS segmentation of Chinese academy of sciences is carried out on the substring sequences, and stop word filtering is carried out on a segmentation result to obtain a term set; (2) a term network of project information is built, feature words are extracted on the basis of statistical characteristics and aggregation characteristics, and if expert information is relatively concise, the term set obtained in the step (1) directly serves as the feature words; (3) a knowledge representation model is built on the basis of fields and weights of the feature words, and a relative information index is built; (4) experts are recommended in groups to carry out feature merging operations between the fields and between the projects on the knowledge representation model; (5) similarity of the experts and the science and technology projects or groups to be viewed is calculated on the basis of semantics, threshold truncation is set, and a final recommended expert list is generated. By means of the method, the problems that recommending workload is large and review decisions lack scientificity are greatly alleviated.
Owner:HANGZHOU DIANZI UNIV

Playing cards automatic shuffling machine

An automatic card shuffling and dealing machine for playing cards is composed of a card storage unit consisting of the fixed card storage box and the second driver for delivering the cards out of the card storage box, a card dealing unit consisting of at least two card dealing boxes for receiving the cards from said card storage box and the third driver for delivering the cards out of said card dealing boxes, the first driver for driving the card dealing unit to revolve around the card storage unit, and a controller for controlling said three drivers.
Owner:闵少安

Voting method, device and equipment based on Blockchain, and medium

The invention discloses a voting method, a voting device and voting equipment based on Blockchain, and a medium. The method comprises the steps of: obtaining voting values representing a voting intention in each voting node; encrypting each voting value according to the homomorphic public key of the counting nodes generated by a homomorphic encryption algorithm to generate encrypted values; transmitting each encrypted value to a consensus node running a blockchain smart contract, and controlling the consensus node to perform a summation operation on each encrypted value to obtain an encryptedvoting result; decrypting the encrypted voting result by controlling the homomorphic private key of the counting nodes generated by the homomorphic encryption algorithm to obtain an original voting result, and recording the original voting result in the blockchain through the blockchain smart contract for publicity for each node in the blockchain network. This method ensures the fairness of the counting process and the overall voting efficiency. In addition, the invention also provides a voting device and voting equipment based on Blockchain, and a medium, having the beneficial effects the same as described above.
Owner:中钞信用卡产业发展有限公司杭州区块链技术研究院

Block-chain-based auction method

The invention discloses a block-chain-based auction method, and relates to the technical field of a block chain. The block-chain-based auction method includes a preparation link, an auction link and apayment link. The block-chain-based auction method is characterized by establishing a block chain for auction, putting bidders, auctioneers, subject matter, and commitment cash and cash deposit of auction into the block chain, utilizing the block chain technology, publishing and determining the bidders, the auctioneers and the subject matter through the block chain, and paying the cash deposit ofeach party to the block chain. The block-chain-based auction method can guarantee fairness of auction when no the third party credit institutions exist, can ensure that the auction result has certaincoerciveness, and at the same time can save the related notarization cost because of having no participation of the third party credit institutions.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Resource management method suitable for multilayer satellite system

The invention relates to a resource management method suitable for a multilayer satellite system. The resource management method adopts the following design principle that high altitude satellites are used as reserved resources and are specially used for distributing resources for users with high priorities and high QOS (Quality of Service) requirements and distributing the resources for the user as required in a real-time manner; and meanwhile, low earth orbit satellites are combined and are used as ground network supplements, the characteristics of high-speed motion and the like of the low earth orbit satellites are considered and a method for dynamically distributing the resources for users with low priorities by using efficiency, cost and user publicity as evaluation indexes is designed. According to the design, the characteristics of the high altitude satellites and the low earth orbit satellites are combined; the priorities of the users are considered; the resources are distributed for the users with high priorities as required; a multi-target evaluation function is designed for the users with low priorities; and the multi-target evaluation function is nondimensionalized, so that in the resource management process, the evaluation indexes of other targets are not ignored due to an excessive function value of a certain index, and thus, a multi-target optimization method which has the advantages of short time delay, high bandwidth utilization rate and balanced resource distribution is integrally implemented.
Owner:NANJING UNIV OF POSTS & TELECOMM

Method and system for detecting abnormal use of voice input equipment

ActiveCN102324229ATroubleshoot Voice Quality DiscrepanciesEnsure fairnessSpeech analysisSpoken languageCombined method
The invention discloses a method and system for detecting abnormal use of voice input equipment. A characteristic extracting mode which is more comprehensive to remote voice signal characteristics and closer to human perception is adopted in the invention so as to roughly judge background voice, normal voice and remote voice. On the basis of classification of audio signals, by adopting the combined method of a modern signal processing technology and a statistical machine learning theory, the problem of multiple limits on front-end voice input by a traditional method is overcome so that signal-level quality scoring is closer to human scoring. According to the invention, the difference problem of front-end input voice quality due to artificial use errors of the equipment in large-scale tests of spoken language is solved.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Method for optimizing power generation plan in mode of tracing scheduling of annual electric quantity progress

The invention discloses a method for optimizing a power generation plan in a mode of tracing scheduling of an annual electric quantity progress. The method comprises the following steps of: firstly, calculating a currently-expected power-output plan of a machine set by taking annual progress control as a target; and secondly, optimizing and calculating the power generation plan of the machine set by taking a minimum deviation of the expected power-output plan as the target and considering all kinds of constraint conditions. A reasonable scheduling plan is made by two-stage decision links of expected plan making and optimization of a safety constraint power generation plan, the effective synchronous execution of a contract electric quantity is guaranteed, safe and fair united optimization is realized, and the intelligent level and decision making capacity of power generation scheduling can be improved conveniently. Meanwhile, the method is characterized by low calculation strength and strong adaptability and is more suitable for promotion and application in scheduling institutions at all levels in China.
Owner:NARI TECH CO LTD

Method and system for evaluating scientific research projects

The invention relates to a method and a system for evaluating scientific research projects, wherein the method for evaluating the scientific research projects includes: storing evaluation index elements and evaluation models of stages of at least one scientific research project, selecting the evaluation index elements corresponding to the stages of the scientific research projects needing evaluation from the stored evaluation index elements, distributing weights for the selected evaluation index elements, and generating evaluation results of the stages of the scientific research projects needing evaluation according to the evaluation models corresponding to the stages of the scientific research projects needing evaluation by the aid of evaluation value and the weights corresponding to the selected evaluation index elements, wherein the stages include a project application stage, a project demonstration stage, a project implementation stage, a project finishing acceptance stage and a project post-evaluation stage. By the aid of the technical scheme, full life cycle macro-management can be performed for the scientific research projects, and the evaluation results are fair and extremely practical.
Owner:中国船舶工业综合技术经济研究院

Card distributing mechanism for automatic card shuffling machine and card turning clip device thereof

InactiveCN102029060ASolve the problem that playing cards cannot be dealt automaticallyResolve identifiabilityCard gamesGame playerEngineering
The invention discloses a card distributing mechanism for an automatic card shuffling machine. A card distributing device (22) is in a rail shape; a card feeding rubber wheel (1) and a card splitting rubber wheel (2) of the card distributing device (22) feed playing cards in a card collecting bin (6) into a card distributing port (9) through a card feeding belt (4) and a pressing plate (3); and a detection device (8) positioned in the center of the rail calculates the number of the playing cards, detects the positive and negative surfaces of the playing cards, turns the playing cards which need turning through a card turning clip (7) and feeds the playing cards into the card distributing port (9). Due to the technical scheme, the problems that the card shuffling machine cannot automatically distribute the playing cards, identify the positive and negative surfaces of the cards or turn the cards in the prior art are solved, the playing cards are prevented from being contacted with people, and the fairness of games is ensured; two sets of playing cards are played, the playing methods of poker games can be flexibly set, and time for waiting for the games is shortened; and the work efficiency and randomness of the automatic card shuffling machine are improved, and game players can fairly play the games.
Owner:安徽省天利来工贸有限公司

Upstream resource dispatching method and device directed at 3G (the 3rd generation telecommunication)/4G (the fourth generation telecommunication) satellite mobile communication network

The invention discloses an upstream resource dispatching method and an upstream resource dispatching device directed at a 3G (the 3rd generation telecommunication) / 4G (the fourth generation telecommunication) satellite mobile communication network. The upstream resource dispatching method directed at the 3G / 4G satellite mobile communication network includes steps: S1, forecasting caching amounts: using UE (user equipment) to forecast each caching amount of business data after Tn time in each dispatching cycle, and reporting predicted values of the caching amounts to an evolution base station eNB through a BSR (bottom simulating reflector) by setting a LGG (logic channel group) as a unit of the predicted values; S2: calculating the priority level of the UE: enabling an upstream resource dispatcher of the evolution base station eNB to receive a dispatching request sent by the UE i, and calculating the priority level of the UE i; S3, allocating upstream resources: using the upstream resource dispatcher of the evolution base station eNB to sequentially allocate the upstream resources for multiple sets of the UE according to the priority level of the multiple sets of the UE. The upstream resource dispatching device directed at the 3G / 4G satellite mobile communication network is used to implement the upstream resource dispatching method directed at the 3G / 4G satellite mobile communication network. The upstream resource dispatching method and the upstream resource dispatching device directed at the 3G / 4G satellite mobile communication network can improve resource utilization rate and handling capacity of a system, and can meet service quality of time delay, handling capacity and the like of different types of business well.
Owner:NAT UNIV OF DEFENSE TECH

Method for intelligently selecting accounting node of blockchain

A method for intelligently selecting an accounting node of a blockchain, relating to fields of blockchain, virtual currency and artificial intelligence, is provided, including steps of: (1), based on block data, calculating a node capability value of each accounting node; (2), making statistics of threshold values of the node capability values of every node; and (3), according to the threshold values, determining a current accounting node, and thereafter randomly selecting other nodes, so as to complete node selection. According to the present invention, based on block data and miner data of various dimensions, an intelligent distribution mechanism of accounting rights or mining rights is adopted; and meanwhile, a random distribution of accounting rights or mining rights is also adopted for avoiding hacker attacks. Therefore, on a premise of guaranteeing fairness, decentration and safety of the blockchain, problems of energy waste and low accounting efficiency due to mining conflict are solved.
Owner:BEIJING EASY AI TECHNOLOGY CO LTD

Criminal case aid decision making method based on fuzzy deep belief network

The invention discloses a criminal case aid decision making method based on a fuzzy deep belief network. The method comprises steps of: establishing a vector model describing a case according to a legal document and a measurement of penalty method; establishing an appropriate deep neural network structure according to the complexity of a judged problem; optimizing a model parameter by using supervised and unsupervised learning methods in virtue of a known plus or minus judgment relation; and performing modeling by using the neural network and predicting the judgment result of a judge. The method can guarantee the objectivity and the fairness of case trial and improves trial efficiency.
Owner:BEIJING THUNISOFT INFORMATION TECH

Automatic test system and test method for dispatching data network equipment

The invention discloses an automatic test system and a test method for dispatching data network equipment. An execution interface of a test instrument automatic case execution platform is connected with an interface 1 of an automatic test network tool. A control interface of a test instrument is connected with an interface 2 of the automatic test network tool. A control interface of measured dispatching data network equipment is connected with an interface 3 of the automatic test network tool. A test instrument automation library and a measured equipment automation library are called by the automatic case execution platform through a logic interface 4 and a logic interface 5 respectively. Dispersed links such as test instrument operation, measured equipment control, test log archiving and test version maintenance are integrated. Automatic test of a dispatching data network router and a switch is realized. The problems existing in traditional manual test such as difference, low efficiency and long test cycle are solved. Standard, consistent and fair test is realized. The working efficiency is greatly improved.
Owner:NANJING NARI GROUP CORP +1

Detection Device for Fluid Sample

This invention provides a device for detecting an analyte in a liquid sample, comprising a cup body (7), a lid (1) and a base (15), wherein, said the cup body (7) comprises a liquid storage chamber (9) and a test strip groove locating in one side of liquid storage chamber, the storage chamber (9) and the test strip groove communicates each other through a small hole in the bottom of liquid storage chamber, the test strip groove is configured with a test strip plate, said lid being able to seal the opening of the cup tightly, said opening of cup being directly connected with the liquid storage chamber.
Owner:HANGZHOU DITU TECH +2

Novel bandwidth allocation algorithm based on OFDM-PON

The invention discloses a dynamic bandwidth allocation algorithm applied to an OFDM-PON (Orthogonal Frequency Division Multiplexing-Passive Optical Network) system and belongs to optical fiber communication systems. The invention utilizes an interruption application response method to realize the bandwidth request and allocation; a plurality of subcarriers in the system are divided into three parts, namely, a communication channel control part, an ONU (Optical Network Unit) default bandwidth part and a part stored in a dynamic pool; when the load on the link is light, each ONU compares respective local flow with local threshold value so as to decide whether an interruption application for extra bandwidth is started; and when the load on the link is heavy, an OLT (Optical Line Terminal) allocates the surplus subcarriers based on the requiring ratio of the ONUs under the condition that the rated bandwidth of the ONUs is met firstly, so as to realize dynamic allocation. The invention ensures low time delay and low package loss rate of a high priority service, also performs bandwidth allocation as required, and can meet the equal allocation between the ONUs and the equal-level priority service when the load of link service flow is heavy.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Point-to-point system network performance testing method and system thereof

InactiveCN102148716AGuaranteed authenticity and fairnessReduce costsData switching networksTraffic volumeNetwork on
The invention relates to a point-to-point system network performance testing method and a point-to-point system network performance testing system. The method comprises the following steps of: 1, running a virtual machine and a network simulation platform in a tester, and installing and configuring point-to-point application software in the virtual machine; 2, configuring the network topology of a point-to-point system network on a management monitoring server; 3, running the point-to-point application software in the virtual machine, and detecting the input / output traffic of point-to-point application of the virtual machine run on the same tester as the network simulation platform and reporting the input / output traffic to the management monitoring server by using the network simulation platform; and 4, receiving the input / output traffic reported by the network simulation platform, and calculating a network performance testing result according to the input / output traffic and the network topology by using the management monitoring server. By the method and the system, difficulties in test opening can be reduced, and the testing efficiency can be improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

High-accuracy computer automatic marking method for subjective items based on domain ontology

The invention discloses a high-accuracy computer automatic marking method for subjective items based on domain ontology. The method comprises the following steps: firstly, building a domain ontology structure suitable for automatically marking the subjective items, and explaining a domain relation into a sentence in a natural language for describing a domain event; secondly, building a subjective item bank structure based on the domain ontology and item description logic, requesting the items to accord with the subjective item bank structure, and then marking answer sheets of examinees according to the following steps: (1) obtaining single words and part-of-speech tagging in the answer sheet of each examinee; (2) tagging an ontology element; (3) generating an answer sheet semanteme based on the domain relation; (4) calculating based on the similarity of the answer of the domain relation and the answer sheet semanteme; (5) calculating the score of the answer sheet of the subjective items of each examinee. According to the method, the semanteme analyzing and processing flows of the natural language in each examinee answer sheet are greatly simplified; the semanteme of answer domain knowledge is relatively fully expressed; the accuracy for automatically marking the subjective items is ensured.
Owner:南京乐酷网络科技有限公司

Gear type construction hoist falling-proof safety device detection and experimental device

The invention relates to a gear-type anti-falling safety protection device detection and test equipment of a construction lifter, consisting of a cage, a drive mechanism, a safety device testing frame, a guide rail rack, a sensor and a signal processing system. The drive mechanism is arranged on the cage, the safety device testing frame is connected with the cage through the sensor, a safety device to be detected is arranged on the safety device testing frame, the cage and the safety device testing frame are connected with a guide rail rack fixed on a base through guide wheels, and the cage and the safety device testing frame make vertical movement along the guide rail rack under the effect of the drive mechanism. The detection and test equipment of the invention has the advantages of (1) high function, complete detection parameter, large range and suitability for detection of gear-type anti-falling safety device; (2) high automatic degree, convenient loading, full-automatic measurement, recording and treatment of detection date and automatic completion of detection report; (3) good safety and multi-protection; (4) strong test authenticity; and (5) strong database management function.
Owner:SCI & TECH DEV COMPANY OF SRIBS

Congestion control method

The invention relates to a congestion control method, which comprises that when there are data clusterings needing to be sent, a hop node measures average sending time and average achieving time of the data clusterings in a medium access control layer, and obtains a first congestion metric value according to the average sending time and the average achieving time. The hop node arranges the first congestion metric value in the data clusterings and broadcasts the first congestion metric value. A last hop node obtains the first congestion metric value, and adjusts business volume rate according to the first congestion metric value. The congestion control method of the invention employs the average sending time and the average achieving time of the medium access control layer to obtain the congestion metric value which reflects congestion degree of the network, which realizes the purpose of releasing network congestion in time, effectively improves transmission efficiency and energy efficiency of the network, and has the advantages of high throughput, less data clusterings transmission clash, low time delay and clusterings losing rate, small node energy consumption, high precision degree, rapid response and the like.
Owner:BEIHANG UNIV

Police criminal technology inspection and appraisal information system and method thereof

The present invention provides an information system and a method of public security criminal technical inspection and identification. The method has the following procedures: authorizing identification, accepting the authorized identification, delegation of inspection of cases, implementing identification, professional verification, administrative examination and approval, returning the cases, picking up documents, keeping material evidences, filing the documents, integrated modification, integrated inquiry, integrated statistics, working out statistical forms, personnel management, managing the assets, attendance management, network office operation, and system management. The system comprises three levels, wherein, a first level is application, comprising application of dual-server clustering and WEB server dual-clustering; a second level is database which takes two highly functional servers as the database clustering servers and uses independent exchanger equipment; a third level is data storage, adopting an EMC high-end array. The present invention can meet the needs of the criminal technical inspection and identification for a public security system.
Owner:深圳市物证检验鉴定中心

An automatic lottery drawing system and an automatic lottery drawing method

The invention provides an automatic lottery drawing system and an automatic lottery drawing method, which utilize an electronic system to draw a lottery. The system comprises a drawing server, a rocking server, a true random number generator and a hardware encryption device arranged on the drawing server and the rocking server. The method provides a safe, real-time and rapid lottery drawing method. The defects of a current mechanical drawing system are overcome.
Owner:宏宝生投资发展(深圳)集团有限公司

Wireless resource scheduling method of LTE (Long Term Evolution) uplink

InactiveCN102378386AFully consider the characteristics of small dataGuarantee fairnessWireless communicationQuality of serviceResource block
The invention relates to a wireless resource scheduling method of an LTE (Long Term Evolution) uplink, belonging to the technical field of mobile communication. The method comprises the following steps of: 101 step, establishing a human-to-human (H2H) user queue and a machine-to-machine (M2M) user queue at each scheduling time; 102 step, scheduling users in the H2H user queue by a base station scheduler preferentially; and 103 step, if residual resource blocks (RBs) exist after the scheduling the users in the H2H user queue is finished, scheduling the users in the M2M user queue. The method provided by the invention aims to ensure the quality of service (Qos) of H2H communication businesses and the fairness of the users preferentially while a great amount of the M2M communication users exist in the future; meanwhile, by fully considering M2M business characteristics, two-dimensional resources such as time and frequency are used to greatest extent for providing services for the M2M users, therefore, the transmission property of the LTE uplink is improved.
Owner:JILIN UNIV

D-S-evidence-theory-based distribution automation terminal state diagnosis method

The invention discloses a D-S-evidence-theory-based distribution automation terminal state diagnosis method. The method comprises: statistics of designated state characteristic quantities is carried out from operating information uploaded to a main distribution station from a distribution automation terminal; distribution automation terminal states are graded and a fuzzy membership function, corresponding to different distribution automation terminal states, of the state characteristic quantities is constructed; various membership parameters of the fuzzy membership function are determined; with the distribution automation terminal state grading result as a single element proposition, a basic probability assignment function and an evidence fusion result are calculated for the single element proposition and an identification frame; and matching is carried out on the evidence fusion result and a preset terminal state diagnosis decision-making criterion, so that a current state of the distribution automation terminal is obtained. According to the invention, the state of the distribution automation terminal can be determined accurately based on the operating information; the detection result is accurate and reliable; the diagnosis becomes convenient and rapid; and the operability is high.
Owner:STATE GRID CORP OF CHINA +2

Multi-round voting type fault-tolerant sorting consensus mechanism and method based on block chain

The invention discloses a multi-round voting type fault-tolerant sorting consensus mechanism and method based on a block chain. The mechanism comprises service nodes in the consensus and accounting process. Transaction initiation and sorting are carried out through the service nodes, legal transactions are obtained and then put into a transaction pool for transaction, and then multiple rounds of voting consensus is entered; multiple rounds of consensus verification and execution is performed on the transaction data through the service node in the voting consensus; and after the consensus is completed, the multichannel account book of the block chain is synchronously updated and accounted, the transaction with successful consensus is sent to the sorting node to sort out the block, the received block transaction is verified by the accounting node, the state database of the block transaction is updated after verification, a new block is added to the main chain, and then a new round of consensus verification and execution work is entered. According to the mechanism and method, achievement of global correct consensus can be guaranteed, fault tolerance is high, and the mechanism and methodare suitable for alliance chains with a large number of nodes. When a large number of verification nodes fail, the system stops working, so that the security of the blockchain is better guaranteed,and the double-fault problem is prevented.
Owner:鲁静

Quantum voting system and method based on quantum teleportation

The invention discloses a quantum voting system and method based on quantum teleportation. The quantum voting system comprises a voter Alice, a voting management organization CA, a supervisor Charlie,a teller Bob and four OADMs, wherein the voter Alice comprises a first a quantum key server, a voting terminal and a first quantum state measurement device; the voting management organization CA comprises a second quantum key server, an authentication terminal, an entanglement source and a first Bell state measurement device; the supervisor Charlie comprises a third quantum key server, a displayterminal and a second Bell state measurement device; and the teller Bob comprises a fourth quantum key server, a computer terminal, a unitary transformation device and a second quantum state measurement device. The quantum voting system disclosed by the invention ensures the security of the whole voting process by the coherence of entangled particles, a QKD protocol, a one-time-one-encryption encryption algorithm and quantum channel eavesdropping detection. In addition, the quantum voting system disclosed by the invention transmits the classical and quantum information through different wavelengths in the same optical fiber, so that the cost of an application can be greatly reduced, and the practicability is improved
Owner:GUANGDONG INCUBATOR TECH DEV CO LTD

Public invitation task processing method, system and device and storage medium

The invention relates to the technical field of Internet. The invention discloses a processing method of a public invitation task. A system, a device and a storage medium are used for solving the problem that a publisher and a task completion party are untrusted in a public invitation task execution process, and the method comprises the following steps: receiving a public invitation task publishedby the task publisher and an electronic resource for executing the public invitation task; Sending an intelligent contract calling instruction to the block chain to call an intelligent contract construction function; Constructing a function according to the smart contract, and sending the public invitation task and the electronic resource to the block chain; Enabling the block chain to constructan intelligent contract corresponding to the public invitation task; Receiving an execution result sent by a task invitee after implementing the public invitation task; Sending the execution result tothe smart contract; And the smart contract verifies the execution result, and pays the electronic resource according to the verification result.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Preplan variable polling control satellite communication method and system

ActiveCN107041011AFlexibleRealize quasi-real-time transmissionRadio transmissionWireless communicationPriority settingMaster station
The invention discloses a preplan variable polling control satellite communication method and system. The method comprises: a community composed of a master station, a management base station and a plurality of slave stations establishes a point to multi-point communication mode under the organization distribution of frequency division multiple access, the master station controls the data transceiving states of the slave stations according to a polling control preplan draught in advance and transceives data with the slave stations, and each slave station transceives data according to the control of the master station and transmits data within the service time slot endowed by the polling control preplan, thereby realizing time division multiplexing of shared satellite resources. Further, the polling control preplan is edited in advance by the master station, and can be modified and retransmitted. The polling control preplan can divide slave station services into common services and important services, and can also comprise priority setting and delay starting of service data. The method and the system can realize time division design of shared satellite resources, realize quasi real-time transmission and quickest back transmission of data, and guarantee the fairness and accuracy of data back transmission.
Owner:PANDA ELECTRONICS GROUP +1

Multi-cell MIMO-NOMA (Multiple Input Multiple Output-Non-Orthogonal Multiple Access) optimal power distribution method based on interference suppression

The invention belongs to the technical field of wireless communication, and discloses a multi-cell MIMO-NOMA (Multiple Input Multiple Output-Non-Orthogonal Multiple Access) optimal power distributionmethod based on interference suppression. According to the multi-cell MIMO-NOMA optimal power distribution method based on interference suppression, a multi-cell MIMO-NOMA system model and a user channel fading model are constructed; inter-cell interference is eliminated by an interference alignment technology to obtain a mathematical model of a power distribution problem; a tight lower bound coefficient and corresponding substitution are constructed, and the original power distribution problem is converted into a convex optimization problem; and an optimal power distribution solution is determined by an iterative algorithm. According to the invention, a multi-cell MIMO-NOMA interference elimination strategy is disclosed and on the basis of suppression on interference, the optimal multi-cell joint power distribution problem is derived, so that a system and a rate are maximized in the premise of ensuring user fairness and an optimal transmission solution in an optimal multi-cell MIMO-NOMA scene is obtained.
Owner:XIDIAN UNIV

Cross-chain digital currency exchange method and device, computer system and storage medium

The invention provides a cross-chain digital currency exchange method and device, a computer system and a storage system. The method comprises the steps of sending a transaction invitation from a transaction sender on a second block chain to a transaction receiver on a first block chain; judging whether an exchange instruction is received or not; transferring the exchanged number of first currencies from the account of the transaction receiver on the first block chain to the account address of the transaction sender on the first block chain to generate a transaction; incorporating the transaction into a first block on a first block chain; generating an authentication value sequence corresponding to the transaction; sending the first block head of the block, the authentication value sequence and the account address of the transaction receiver on the second block chain to the second block chain; and executing the smart contract on the second block chain to verify the transaction, and ifthe verification is passed, transferring the second currency from the account of the transaction sender on the second block chain to the account address of the transaction receiver on the second blockchain. According to the invention, the monopoly operation of a centralized transaction station is eliminated.
Owner:ONE CONNECT SMART TECH CO LTD SHENZHEN
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products