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179 results about "Location information server" patented technology

The location information server, or LIS is a network node originally defined in the National Emergency Number Association i2 network architecture that addresses the intermediate solution for providing e911 service for users of VoIP telephony. The LIS is the node that determines the location of the VoIP terminal.

Automatic valet parking method and system

The invention discloses an automatic valet parking method and a system, and the automatic valet parking method comprises the steps that a server receives an automatic parking request of a user, buildsthe communication connection with an OBU of a current to-be-parked vehicle, and informs the vehicle of building a unique communication channel between the OBU and an RSU of a field side based on the5G-V2X technology; the server obtains the field end environment information collected by a road side sensing device and a vehicle-mounted sensing device of the vehicle in real time through the RSU soas to plan the driving track of the current vehicle to be parked, wherein the field end environment information comprises the position information of the current vehicle to be parked; and the server sends the driving track to a vehicle body controller through the RSU and the OBU so as to control the vehicle to park automatically according to the driving track, and meanwhile, updates the driving track in real time or notifies the vehicle of emergency braking based on the field end environment information acquired in real time until parking is completed. The system adopts the method to solve theproblems that in the prior art, accidents are easily caused by visual blind spots at the vehicle end and the path cannot be adjusted in time in the implementation scheme of automatic valet parking.
Owner:宁波均联智行科技股份有限公司

Method, system and position information server for acquiring IP geographic position information

The invention provides a method for acquiring IP geographic position information, which comprises the following steps: receiving an IP geographic position inquiry request initiated by an application program, wherein the request comprises an IP address; converting the IP address into a fully qualified domain name, and packaging the fully qualified domain name into a corresponding first DNS inquiry request; positioning an object-level DNS authoritative server according to the first DNS inquiry request; redirecting the fully qualified domain name by the object-level DNS authoritative server to acquire the information of the DNS authoritative server to which the mapped ISP belongs; packaging the redirected fully qualified domain name into a corresponding second DNS inquiry request, sending the second DNS inquiry request to the DNS authoritative server to which the ISP belongs, and returning corresponding geographic position information in a TXT format by the DNS authoritative server to which the ISP belongs according to the private policy; and converting the geographic position information into the information in an XML format to be returned to the application program. The invention can ensure the accuracy of the acquired geographic position information.
Owner:CHINA INTERNET NETWORK INFORMATION CENTER

Temporary group calling implementation method in digital trunk system

InactiveCN108064028AAvoid multiple dynamic reorganization operationsSimple processNetwork topologiesBroadcast service distributionCall establishmentDesk
The invention provides a temporary group calling implementation method in a digital trunk system. The temporary group calling implementation method in the digital trunk system comprises the followingsteps: a trunk core network receives group calling establishment request information sent by a calling terminal, wherein the group calling establishment request comprises a specific number; the trunkcore network judges the requested group calling as temporary group calling according to the specific number, sends temporary group user list request information to a location information server and receives the temporary group user list sent by the location information server; the trunk core network creates a temporary group according to the temporary group user list and assigns a temporary groupnumber to the temporary group; the trunk core network pushes the temporary group information to the members in the group; and the trunk core network assigns calling identifiers, establishes the groupcontext, and sends group calling establishment response information to the calling terminal, wherein the group calling establishment response information comprises the temporary group user list. According to the temporary group calling implementation method in the digital trunk system, the calling process does not require a dispatching desk to participate, and does not write to the database, therefore, multiple dynamic regrouping operations in the temporary group calling implementation method in the prior art are avoided, and the process is simplified.
Owner:POTEVIO INFORMATION TECH

Method and system for parking, electronic equipment and storage medium

The invention relates to a method and a system for parking, electronic equipment and a storage medium. The method comprises the steps of: receiving a parking request by a server, wherein the parking request comprises position information of a vehicle; determining a parking path by the server according to the position information of the vehicle and position information of available parking stalls stored in a server storage region; transmitting the parking path to a vehicle-mounted system of the vehicle; and performing automatic navigation to a parking position of an expectant target parking stall according to the parking path by the vehicle-mounted system. Through adoption of the technical scheme of the method, automatic parking can be achieved, and time required for manually searching forthe parking stall can be saved; in addition, when the vehicle drives to the parking position of the expectant target parking stall, the vehicle-mounted system can obtain coordinate information of theexpectant target parking stall, so as to determine a parking path of the vehicle to the target parking stall, and the vehicle-mounted system can automatically park into the target parking stall according to the parking path, therefore, time of a driver for parking the vehicle into the parking stall can be saved.
Owner:NINGBO GEELY AUTOMOBILE RES & DEV CO LTD +1

Traffic information processing method, equipment and system

The invention provides a traffic information processing method, traffic information processing equipment and a traffic information processing system. The traffic information processing method comprises that a base station receives at least two position request messages transmitted by at least one vehicle-mounted terminal; for each vehicle-mounted terminal, the base station determines first longitude and latitude information of the vehicle-mounted terminal according to the first position request message, determines second longitude and latitude information of the vehicle-mounted terminal according to the second position request message, and generates driving speed information according to first time information, second time information, the first longitude and latitude information and the second longitude and latitude information, and a terminal identifier, the first time information, the second time information, the first longitude and latitude information, the second longitude and latitude information and the driving speed information form vehicle information corresponding to the vehicle-mounted vehicle; and the base station transmits the vehicle information of at least one vehicle-mounted terminal to a vehicle position information server. According to the traffic information processing method, the traffic information processing equipment and the traffic information processing system, the traffic information is acquired, and the accuracy and the rationality of traffic early-warning are improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
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