# US 12,181,308 B2 · Location-based radar, LIDAR and GCP data > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,181,308 B2 - Document ID: US12181308B2 - Status: Granted - Kind: B2 - Application number: 17/295,940 - Filed: 2019-11-13 - Published: 2022-01-13 - Granted: 2024-12-31 - Earliest claimed: 2018-11-23 - Assignees: ZF Friedrichshafen AG - Applicants: ZF Friedrichshafen AG - Inventors: Suraj Plachikaad Suresh Kumar; Mithun Sreekumar - Web page: https://patentgrep.com/patent/US12181308B2 ## CPC - G01C 21/3881: {Tile-based structures} - G06F 16/29: Geographical information databases - G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A method for generating a data set grid (2) containing location-based data includes: providing a data set (1) containing location-based data for a region (5), wherein the location-based data include at least location-based radar data, location-based LIDAR data, and location-based GCP data; providing a grid, which subdivides the region into subregions, having a plurality of grid cells (3, 3′); assigning the location-based data to a grid cell (3, 3′); storing the location-based data, grid cell by grid cell, in a file (6) in each case in such a manner that the file contains the location-based data of a grid cell (3, 3′). A method for transmitting location-based data between a server and a mobile terminal includes: transmitting (V1) a location or a region from the mobile terminal to the server; assigning (V2) the location to a first grid cell (3) of a grid of a region (5); transmitting (V5) a file (6) containing location-based data, which include at least location-based radar data, location-based LIDAR data, and location-based GCP data and belong to the assigned first grid cell (3), from the server to the mobile terminal. ## Claims ### Claim 1 A method for generating a data set grid (2) containing location-based data, comprising: providing a data set (1) containing location-based data for a region (5), the location-based data comprising location-based radar data, location-based LIDAR data, and location-based GCP data; providing a grid, which subdivides the region into subregions, having a plurality of grid cells (3, 3′); assigning the location-based data to a respective grid cell (3, 3′); and storing the location-based data, grid cell by grid cell, in a respective file (6) such that each of the files (6) contains the respective location-based data of the grid cell (3, 3′), wherein the files (6) stored grid cell by grid cell form the data set grid (2), and each of the files (6) is transmittable via a wireless network to a mobile terminal for real time navigation. ### Claim 2 (depends on 1) The method of claim 1, wherein the grid has a constant step size. ### Claim 3 (depends on 1) The method of claim 1, wherein the grid has different step sizes. ### Claim 4 (depends on 1) The method of claim 1, further comprising selecting the grid (S2.1) with respect to a size of the grid cells (3, 3′), with respect to a number of the grid cells (3, 3′), or with respect to both the size of the grid cells (3, 3′) and the number of the grid cells (3, 3′). ### Claim 5 (depends on 4) The method of claim 4, wherein the grid is selected depending on a location. ### Claim 6 (depends on 1) The method of claim 1, wherein the file (6) is configured to be evaluated by a navigation software of a mobile terminal. ### Claim 7 A method for transmitting location-based data between a server and a mobile terminal, comprising: transmitting (V1) a location from the mobile terminal to the server; assigning (V2) the location to a first grid cell (3) of a grid of a region (5); and transmitting (V5), via a wireless network, a file (6) containing location-based data belonging to the assigned first grid cell (3) from the server to the mobile terminal for real time navigation, wherein the location-based data comprises location-based radar data, location-based LIDAR data, and location-based GCP data. ### Claim 8 (depends on 7) The transmission method of claim 7, wherein the transmitted location corresponds to the location of the mobile terminal, and the method further comprises ascertaining the location with the server when the mobile terminal is located in a boundary region of the first grid cell (3). ### Claim 9 (depends on 8) The transmission method of claim 8, further comprising: ascertaining at least one next grid cell (3′) adjacent to the first grid cell (3) with the server, the at least one next grid cell (3′) corresponding to a predicted future location of the mobile terminal; and transmitting the location-based data of the at least one next grid cell (3′) from the server to the mobile terminal. ### Claim 10 (depends on 7) The transmission method of claim 7, further comprising ascertaining a speed of the mobile terminal. ### Claim 11 (depends on 7) The transmission method of claim 7, further comprising selecting a size, a data resolution, or both the size and data resolution of the grid cell (3, 3′) of the file (6) to be transmitted. ### Claim 12 (depends on 7) The transmission method of claim 7, further comprising, before the file (6) is transmitted, selecting a suitable file format and converting the file (6) into the suitable file format. ### Claim 13 (depends on 7) The transmission method of claim 7, further comprising: estimating or ascertaining a transmission speed of the file (6) containing location-based data; and adapting a data resolution of the file (6), a size of the grid cell (3,3′), or both the data resolution of the file (6) and the size of the grid cell (3,3′) based on the transmission speed. ### Claim 14 (depends on 1) A data carrier, on which the data set grid (2) generated according to the method of claim 1, is stored.