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1550results about How to "Lower deployment costs" patented technology
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Method and apparatus for routing of emergency services for unauthorized user equipment in a home Node B system
ActiveUS8041335B2Lower deployment costsQuality andAssess restrictionNetwork topologiesAccess networkHome Node B
Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. The method enables an unauthorized user equipment to call from an access point it is not allowed to use for emergency purposes. The method receives at an access point a service request from an unauthorized user equipment with an establishment cause of emergency call. The method sends a registration request to the network controller. The method sends a message to the core network indicating the location of the user equipment.
Owner:RIBBON COMM OPERATING CO INC
Method and Apparatus for Transport of RANAP Messages over the Iuh Interface in a Home Node B System
InactiveUS20090262682A1Lower deployment costsQuality andAssess restrictionNetwork topologiesHome Node BCommunications system
Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. The method covers communication from the user equipment to an access point or from the core network to a network controller. The method sends of a radio access network application part (RANAP) message by identifying the RANAP message with a first header and encapsulating that message with a second header. The method passes the encapsulated message to its destination using information from the second header.
Owner:KINETO WIRELESS
Method and System for the Secure and Transparent Provision of Mobile Ip Services in an Aaa Environment
InactiveUS20070230453A1Easy to useLower deployment costsData switching by path configurationWireless network protocolsMobile serviceMIP protocol
A system for negotiating the provision of a mobile IP service, such as, MIPv4 or MIPv6, between a mobile node and a server in a network includes the steps of providing an authentication protocol establishing a pass-through transport between the mobile node and the server and negotiating the provision of the mobile IP service via the authentication protocol over the pass-through transport.
Owner:TELECOM ITALIA SPA
Method and system for accessing to slice network
ActiveCN106713406AAchieving Pipeline CapabilitiesOpen authentication capabilityTransmissionSoftware simulation/interpretation/emulationThird partyResource Provider
The invention discloses a method and system for accessing to a slice network. The method comprises the steps that a resource manager receives a network slice establishment request sent by a third-party application, and sends a resource customization request to a virtual resource provider according to performance and / or function parameters carried in the establishment request; and a virtual resource provided by the virtual resource provider is received, a network slice is established for the third-party application, and identification information is distributed to the established network slice.
Owner:CHINA MOBILE COMM GRP CO LTD
Systems and methods for mitigating interference between access points
InactiveUS20110032849A1Easy to useDense reuseTime-division multiplexRadio transmissionEngineeringPoint system
Systems and methods which implement cooperative techniques at wireless network access points to provide interference mitigation are shown. Embodiments utilize cooperative antenna beam adaptation techniques wherein antenna beam selection, selective antenna beam transmission power, and / or antenna beam null selection is implemented based upon the communication environment created by a plurality of access points. Additionally or alternatively, embodiments utilize cooperative antenna beam isolation techniques wherein narrow channel filters are implemented with respect to antenna beam signals and / or shielding is provided between various antenna beams based upon the communication environment created by a plurality of access points. Embodiments additionally or alternatively utilize cooperative antenna beam coordination techniques wherein transmission and / or reception of signals is coordinated, the use of antenna beams is coordinated, and / or interference cancellation is implemented based upon the communication environment created by a plurality of access points.
Owner:FIMAX TECH
Communication method, software defined network SDN switch and communication system
ActiveCN103428771ALower deployment costsDeployment pushNetwork traffic/resource managementConnection managementWide area networkControl network
The invention discloses a communication method, a software defined network SDN switch and a communication system, and relates to the field of communication. The control system deployment cost of SDN equipment based on OpenFlow in the wide area network environment deployment process can be lowered. The communication method is applied to an SDN based on the OpenFlow, an SDN control network comprises the SDN switch, an operator wireless exit gateway, a wireless convergence gateway and an SDN controller, the SDN switch is connected to an operator wireless network served by the operator wireless exit gateway through a wireless communication module, and the wireless convergence gateway is respectively connected to the wireless exit gateway of the operator wireless network and the SDN controller through a wired network. The communication method comprises the step that the SDN switch is in communication with the SDN controller through the operator wireless network and the operator wireless exit gateway. The communication method is mainly used for the achievement process of the SDN control network based on the OpenFlow.
Owner:MAIPU COMM TECH CO LTD
Line polling management system and method
ActiveCN102044094ALow costReduce processing requirementsChecking time patrolsFault locationComputer scienceManagement system
The invention discloses a line polling management system, which comprises an acquisition module (301), a polling locus analysis module (303) and a polling evaluation analysis module (304), wherein the acquisition module (301) is sued for acquiring polling information in a polled line, and the polling information at least comprises longitude and latitude information; the polling locus analysis module (303) is used for dividing a pre-generated line map into a plurality of grids, generating a polling locus according to the polling information acquired by the acquisition module (301), matching the polling locus and the grids and determining a candidate line to be analyzed; and the polling evaluation analysis module (304) is sued for calculating the distance between the polling locus point and the evaluation point of the candidate line and determining that the polling locus point covers the evaluation point if the distance is smaller than the preset threshold value. The invention also discloses a line polling management method. According to the scheme, the system and the method can greatly simplify the operation of polling personnel, can adapt to various environment conditions, have low cost, and are easy to popularize.
Owner:CHINA MOBILE GRP FUJIAN CO LTD
802.11p and LTE/LTE-a based vehicle networking message propagation method
InactiveCN103781198AAvoid rear-end accidentsAvoid occupying LTE/LTE-A system resourcesNetwork topologiesNetworks interconnectionBroadcastingSTI Outpatient
The invention relates to an 802.11p and LTE / LTE-A based vehicle networking message propagation method, which is characterized in that a GPS information collection module collects the running speed, the running direction and positional information of a vehicle, a 802.11p communication module of a vehicle which is in the same road section and runs in the same direction and a 802.11p communication module located in an effective communication range form an Ad hoc network, vehicles in the Ad hoc network form a vehicle cluster, the cluster head sends a secure message to an LTE / LTE-A base station at a scheduled time interval, and the LTE / LTE-A base station updates a road table of the vehicle cluster; in an emergency case, vehicles in the same vehicle cluster use the 802.11p communication module to carry out message broadcasting, the cluster head sends the message to the LTE / LTE-A base station, and the LTE / LTE-A base station broadcasts the message to the cluster head of a related vehicle cluster according to the vehicle cluster road table. The 802.11p and LTE / LTE-A based vehicle networking message propagation method has the advantages of high practicability, low deployment cost and the like.
Owner:TONGJI UNIV
Real-time precise orbit determining method of short orbit arc low earth orbit (LEO) navigation satellite
ActiveCN107153209AError Effect CompensationLow priceSatellite radio beaconingNatural satelliteData center
The invention discloses a real-time precise orbit determining method of a short orbit arc low earth orbit (LEO) navigation satellite. The method is characterized in that four or more ground receivers are used for tracking navigation signals of a plurality of GNSS (Global Navigation Satellite System) navigation satellites and LEO navigation satellites, and transmitting the navigation signals to a data center in real time. The method comprises the following steps: I, acquiring and preprocessing observing data; II, performing precise time synchronization on the receivers; III, calculating tropospheric delay in an LEO gazing direction by using tropospheric delay in a vertical direction and a projection function; IV, correcting hardware delay of the receivers to build an LEO determining geometric observing equation; V, solving an LEO precise orbit and a precise clock error through a dynamical model and the geometric equation of the LEO; VI, distributing the LEO precise orbit and the precise clock error in real time. By adopting the method, the problem of need of post-processing due to incapability of calculating the precise orbit of a low earth orbit satellite can be solved.
Owner:WUHAN UNIV
Method and system for positioning object with adaptive resolution
InactiveUS20100090899A1Precise positioningLow positioning accuracy requirementsDirection finders using radio wavesDirection finders using ultrasonic/sonic/infrasonic wavesHot zoneTransceiver
The present invention provides a method and system for positioning an object with adaptive resolution. The method comprises: dividing a space to be detected into Hot Area and General Area; arranging, according to the positions of Hot Area and General Area, high-resolution positioning signal (US) transceivers and low-resolution positioning signal (RF) transceivers, wherein the detection scope of the low-resolution positioning signal transceivers covers the space and the detection scope of the high-resolution positioning signal transceivers covers the Hot Area; and when the object moving in the space, fusing the detection results from the high-resolution positioning signal transceivers and the low-resolution positioning signal transceivers to determine the position of the object with adaptive resolution. With the system of the present invention, for different areas, the object can be positioned with different positioning resolutions (precisions or granularities). Also, since it is not necessary to use a great deal of high-precision positioning devices, the system cost can be reduced considerably.
Owner:NEC (CHINA) CO LTD
Systems and methods for concurrent wireless local area network access and sensing
ActiveUS20100296496A1Lower deployment costsNetwork topologiesWireless commuication servicesWireless intrusion prevention systemSecurity monitoring
This invention describes systems and methods for combining the Wireless Local Area Network (WLAN) infrastructure and Wireless Intrusion Prevention Systems (WIPS) by leveraging a common radio platform equipped with more than one WLAN radio and a unified management system. The invention provides all the benefits of the WLAN, without sacrificing the 24×7 dedicated security monitoring and performance troubleshooting available from an overlay WIPS system, while reducing the deployment cost and management complexity, by sharing a common hardware platform for the WLAN Access Point (AP) and WIPS sensor and leveraging an integrated management system.
Owner:EXTREME NETWORKS INC
Method and Apparatus for Routing of Emergency Services for Unauthorized User Equipment in a Home Node B System
ActiveUS20090264095A1Lower deployment costsSpeed andAssess restrictionNetwork topologiesHome Node BCommunications system
Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. The method enables an unauthorized user equipment to call from an access point it is not allowed to use for emergency purposes. The method receives at an access point a service request from an unauthorized user equipment with an establishment cause of emergency call. The method sends a registration request to the network controller. The method sends a message to the core network indicating the location of the user equipment.
Owner:RIBBON COMM OPERATING CO INC
Streaming media distribution system, method and device
InactiveCN101729273ALower deployment costsSpecial service provision for substationExtensibilityDistribution system
Owner:CHINA MOBILE COMM GRP CO LTD
Indoor positioning method based on WiFi (Wireless Fidelity) fingerprints
ActiveCN103402256ALower deployment costsImprove usabilityPosition fixationWireless communicationTelecommunicationsReceived signal strength indication
The invention discloses an indoor positioning method based on WiFi (Wireless Fidelity) fingerprints. The method comprises the steps of continuously acquiring RSSI (Received Signal Strength Indication) values of WiFi signals within a certain period of time for each known position point in a place to be positioned, preprocessing the acquired data, counting times num that each AP (Access Point) occurs in the signal sequence of a certain position point, deleting AP signal data with num which is smaller than half of the total length of the sequence, calculating the average value mu and the standard deviation delta of the preprocessed data, and storing the average value mu and the standard deviation delta in a database; and acquiring the RSSI values of the WiFi signals at a point to be positioned, uploading the RSSI values to a sever, matching the acquired data of the point to be positioned with values in the database by adopting a multilevel probability algorithm to obtain W position estimation values with the maximum probability and performing time averaging to obtain the position estimation of the point to be measured. Compared with the prior art, the method has the advantages that the positioning accuracy is guaranteed, the operability and the practicability of the system are improved, and the goal of accurate positioning at distance of 3m can be achieved.
Owner:WUHAN UNIV
Wireless infrastructure and ad hoc network integration
ActiveUS7808960B1Lower deployment costsExtend wireless coverageNetwork traffic/resource managementRadio transmissionNetwork integrationComputer science
A system and method for integrating infrastructure and ad hoc wireless networks. In one example embodiment, a plurality of nodes and access points exchange beacons and route replies which are forwarded by intervening nodes. Nodes determine whether to switch access points based on cost values contained in the received beacons. Intervening nodes store routes with weights to the source node, such that the access points maintain weights to every node in their zones.
Owner:THE HONG KONG UNIV OF SCI & TECH
Message processing method and equipment
ActiveCN107517488AFlexible configurationLower deployment costsNetwork traffic/resource managementAssess restrictionControl equipmentTerminal equipment
The invention relates to the field of communication, and particularly relates to a message processing method and related equipment. The method comprises the following steps: terminal equipment sends a request message to a server before sending a service message, wherein the request message is used for requesting to allocate identifiers of network slices; the server allocates the identifiers of the network slices to the terminal equipment according to the service type of the terminal equipment, and sends the identifiers of the network slices to control equipment; the control equipment determines parameter information of the network slices according to the identifiers of the network slices and determines a forwarding path according to the parameter information; and then the control equipment adds forwarding resources included in the forwarding path to the forwarding resources of the network slices; and when the terminal equipment sends the service message, the service message is forwarded through the forwarding resources of the network slices. Through the above scheme, the control equipment can dynamically determine the forwarding resources for the network slices according to service requirements, and thus the forwarding resources in networks can be fully used, the forwarding resources can be saved, and the flexibility of the networks can be improved.
Owner:HUAWEI TECH CO LTD
Method, system, terminal and service for implementing mobile augmented reality service
ActiveCN102843349AGood impetusImprove scalabilityLocation information based serviceTransmissionService experienceMultimedia
The invention discloses a method for implementing a mobile augmented reality service. The method comprises the following steps of: selecting an augmented reality target and / or augmented reality content by a mobile augmented reality server; and delivering the augmented reality target and / or the augmented reality content to a mobile augmented reality client by the mobile augmented reality server. The invention further discloses a system for implementing the mobile augmented reality service, a mobile augmented reality client and a mobile augmented reality server. According to the invention, the problems of great difficulty in application and development, high service deployment cost and inconsistent user experience in an existing AR (augmented reality) solution can be overcome, and a good promoting role can be played for development of the AR market. The method for implementing the mobile augmented reality service, disclosed by the invention, is suitable for different types of augmented reality target identification and augmented reality content acquisition, has good expandability, and can provide uniform service experience for users in different application scenes.
Owner:ZTE CORP
Gateway Functionality for Mobile Relay System
ActiveUS20140204832A1Increase demandLower latencyFrequency-division multiplex detailsNetwork topologiesMobile relayAccess technology
A method includes controlling one or more radio access connections at a mobile gateway for at least one station associated with a mobile relay system, the mobile relay system providing a plurality of access technologies and being served by one or more donor cellular systems. The method further includes controlling address information of communication on the one or more radio access connections between at least one station and one or more core network elements associated with the one or more donor cellular systems.
Owner:NOKIA TECHNOLOGLES OY
Gate rapid transit control method based on mobile terminal
InactiveCN108230465AReduce consumptionReduce the requirements for face recognitionTicket-issuing apparatusTransmissionDatabase queryIdentity recognition
The invention provides a gate rapid transit control method based on a mobile terminal. The method comprises the steps that a cloud server judges whether a user carrying the terminal reaches a gate entrance, an account preset inside the terminal and related to identity information is inquired, and it is determined that the status of the account is normal; if the status of the account is normal, a camera arranged at the gate entrance photographs an image of the user and sends the image to a local server so as to perform identity verification; according to the recognition result of the local server, a gate stop level is started or closed, and the user enters the station from the gate entrance. Due to face recognition, physical characteristic recognition and limb shape recognition, the database query range is decreased, whether the current user is a real user of the terminal or not can be rapidly judged, the query efficiency is improved, the phenomenon that a jammed queue is caused by slowidentity recognition is avoided, and identity recognition and accurate positioning can be achieved without any special movement of the user.
Owner:SHENZHEN ALL IN ONE NEW TECH LTD
Cellular communication system and method of operation therefor
ActiveUS20090247165A1Improve user experienceReduce call setup delayData switching by path configurationMessaging/mailboxes/announcementsAccess networkCommunications system
A cellular communication system comprises a core network, a first access network not supporting circuit switched services and a second access network supporting circuit switched services. A user equipment detects that an application using circuit switched communication is initiated and accordingly initiates a reselection from the first to the second access network. The user equipment transmits a location update message to a circuit switch mobile switching centre of the core network which in response notifies a mobility management entity for the first access network that the access network reselection has been initiated. In response to the notification the mobility management entity initiates a change of a routing association from being with the first access network to being with the second access network. The invention may e.g. allow improved circuit switched fallback for a 3rd Generation Partnership Project cellular communication system comprising an access network supporting only packet switched services.
Owner:GOOGLE TECH HLDG LLC
Indoor/outdoor location system based on radio frequency identifications (RFID) and data base and location method thereof
InactiveCN101793962APrecise positioningLower deployment costsPosition fixationSensing record carriersHigh densityRadio frequency
The invention relates to an indoor / outdoor location system based on radio frequency identifications (RFID) and a database a location method thereof. The system comprises a reading device and a plurality of RFIDs; the RFID tags and the reading device are communicated by radio frequency to obtain encoding information in the RFIDs; the RFIDs are arranged on indoor / outdoor fixed or movable markers; and the reading device is a movable device. The system adopts the RFID and wireless reading devices, both of which are arranged in high density, thus more precise location can be realized, and areas which are hard to reach can be covered. Due to the adoption of the RFIDs, the invention has low arrangement cost and is more suitable for movable calculation; and the encoding content of the RFIDs is only associated with the position information, but not user information, thus the system does not actively leak the information of the reading device and the user, solves the problems of user position and privacy exposition and improves the security and the privacy of use for users.
Owner:张楠
Attendance system, method and device based on face recognition
InactiveCN106296112ALow costLower deployment costsCharacter and pattern recognitionOffice automationDatabase serverComputer terminal
The invention discloses an attendance system, method and device based on face recognition. The system includes a mobile terminal, a background server and a database server. The mobile terminal is used for collecting the face image of an employee through a camera and sending the face image to the background server, wherein the face image has position information. The background server is used for comparing the received face image with the stored face data, and if a comparative result satisfies a preset threshold and the position information is within a preset range, sending the employee's attendance information to the database server, otherwise returning attendance failure prompting information to the mobile terminal. The database server is used for recording the received attendance information. The attendance system, method and device can solve a problem that accuracy and fairness are not high.
Owner:GUANGDONG MATVIEW INTELLIGENT SCI & TECH CO LTD
Virtual reality panorama multimedia processing system and method and client device
InactiveCN105578199AImprove processing efficiencyLower deployment costsSelective content distributionOperational costsComputer graphics (images)
The invention provides a virtual reality panorama multimedia processing system and method and a client device. The virtual reality panorama multimedia processing system comprises multiple multimedia collection devices, a media processing server and a media issuing server. According to the virtual reality panorama multimedia processing system and method and the client device of the invention, panorama video and audio are provided to a user in real time; the processing efficiency is high; the layout and operating cost is low; and the system, the method and the client device are applicable to large scale popularization and application in industries.
Owner:BAICELLS TECH CO LTD
Systems and methods for VoIP wireless terminals
InactiveUS7212511B2Simplifies and improves flexibilityAvoids unnecessary complexityNetwork traffic/resource managementTime-division multiplexTelecommunications linkWireless transmission
Systems and methods are provided for Internet Protocol (IP) based communication systems without using a complete Internet Protocol stack on both sides of a communication link. Various exemplary embodiments include communication of audio information over a wireless transmission channel to a wireless terminal from a network that includes transmission of audio information using voice over Internet Protocol (VoIP). A first communication system and method may include a wireless terminal having a dedicated audio application that includes processing for header compression and decompression. A second communication system and method may include a wireless terminal and a network device (e.g., a network transmitter / receiver terminal), each containing at least a portion of an Internet Protocol stack, and the network device may include a header modification means that may reduce or eliminate the header from VoIP packets it will send to the wireless terminal.
Owner:IDTP HLDG
Hydrokinetic energy transfer device and method
InactiveUS20120187693A1Low costImprove efficiencyRotary propellersEngine fuctionsKinetic energyEnergy analysis
A device configured for the production of hydrokinetic energy that allows the efficient capture of energy from fluid in motion, especially slow flowing fluids. The device features an innovative structural design and drive train system as well as redundancy, which allows the device to be deployed in position, placed in service and maintained over its lifetime through the use of remotely operated vehicles. The device features one or more turbines, each turbine having an open center tube. The device features a buoyancy system including a plurality of thin walled modular buoyancy chambers with a redundant (re)pressurization system and remotely operated vehicle replaceable bladder modules. Structure cavities of the device are capable of storing energy via processed energy storage liquids such as hydrogen or via gas compression in tanks and then exporting the stored energy or reconverting the stored energy into electricity.
Owner:SCALE TERA RENEWABLE ENERGY L L C
Vehicle type identification method and system based on deep neural network
InactiveCN107871126AAvoid double countingMeet the needs of real-time identificationCharacter and pattern recognitionNeural learning methodsFeature extractionHigh dimensional
In order to improve the efficiency of vehicle positioning to meet the real-time requirements for vehicle type identification, the present invention provides a vehicle type identification method and system based on a deep neural network. The method comprises: integrating candidate target extraction and target identification into a network, and using end-to-end detection / identification methods to integrate feature extraction, target location, and target detection into a single network. According to the method and system provided by the present invention, target extraction t is no longer extracted from the original image, but is extracted from the high-dimensional feature map with very small dimensions by using the reference point and multi-dimensional coverage manner, and at the same time, the method for sharing the deep convolutional network parameters is used in the feature extraction layer, so that repetitive calculation of features is avoided, the identification efficiency is greatlyimproved, 20fps is reached in reality, the effect of the processing efficiency of a single server reaches 2 million sheets / day, and the requirement for real-time vehicle type identification is satisfied.
Owner:XIAN XIANGXUN TECH
Method and Apparatus for Home Node B Registration using HNBAP
InactiveUS20090262684A1Lower deployment costsSpeed andAssess restrictionNetwork topologiesHome Node BCommunications system
Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. The method sends a registration request from an access point to a network controller with location information and an identifier for the access point. The method receives at the access point a response when the access point is permitted to access the services of the network controller.
Owner:KINETO WIRELESS
RFID antennae polling switching device
InactiveCN101236597ARealize series connectionIncrease the number of external antennasSensing record carriersEffective powerTime-sharing
The invention provides an RFID antenna polling switch device which ensures that a plurality of antennas simultaneously connect to a radio-frequency port of a reader-writer and realize the automatic polling of an antenna array in order to realize time-sharing drive of each antenna to read electronic tags in a coverage area. The invention realizes that one antenna polling switch device or a plurality of antenna polling switch devices are connected in series between the reader-writer and the antennas which are separate from each other; a periodic pulse signal is generated through a timing circuit of the device; a periodic communication and disconnection of at least one mechanical switch are driven so that the radio-frequency port of the reader-writer and a plurality of reader-writer antenna can be communicated in a cycle and time-sharing operation is carried out by each antenna; the invention can solve the problem of collision produced in controlling a processing module and can ensure that the effective power of the antenna is not reduced, thereby achieving a larger reading range and a better reading effect. The RFID antenna polling switch device has simple structure, reliable performance and low cost and can be applicable for the management of warehouses, libraries, etc, in particular for making a periodic inventory of goods or books in different positions of a goods shelf or a bookshelf.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Evolved multimedia broadcast/multicast service base station, user equipment and methods thereof
InactiveUS20100080159A1Low deployment costHigh transmission powerBroadcast transmission systemsConnection managementCarrier signalMulticast
The present invention provides a user equipment (UE), comprising: first receiving means for receiving on a first carrier information for determining a second carrier and a Multimedia Broadcast / Multicast Service (MBMS) notification; second receiving means for receiving Radio Bearer (RB) configuration information and MBMS scheduling information on the second carrier determined from the information; and control means for generating an MBMS scheduling template based on the received RB configuration information and MBMS scheduling information, wherein, the second receiving means receives MBMS data based on the MBMS scheduling template.
Owner:ALCATEL LUCENT SAS
Vehicle positioning method, device, equipment and medium
PendingCN111220154AHigh precisionLower deployment costsInstruments for road network navigationNavigation by speed/acceleration measurementsPosition fixingReal-time computing
The embodiment of the invention discloses a vehicle positioning method and device, equipment and a medium, and relates to the technical field of intelligent driving, and the method comprises the stepsof obtaining the inertial measurement data of a vehicle at a current moment, the wheel speed of the vehicle and a target image of an environment where the vehicle is located; calculating a predictedpose of the vehicle at the current moment by utilizing the inertia measurement data and the vehicle wheel speed; calling a high-precision map comprising the information of the current environment of the vehicle based on the predicted position coordinates in the predicted pose; and correcting the predicted pose by using the target image and the high-precision map to obtain a target pose of the vehicle at the current moment. According to the embodiment of the invention, low-cost sensor deployment can be realized, the vehicle positioning precision is improved, and the method can be applied to a relatively wide positioning environment.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD
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