{
  "$type": "site.standard.document",
  "description": "A method for navigation based on a cellid-aided positioning system includes: determining, at a cellid-aided positioning system-compatible device (1900), that a user has moved through a sequence of cellids, wherein moving through a sequence of cellids comprises moving from a first region…",
  "path": "/patents/1001391",
  "publishedAt": "2012-06-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/26",
    "DEUTSCHE TELEKOM AG [DE]"
  ],
  "textContent": "A method for navigation based on a cellid-aided positioning system includes: determining, at a cellid-aided positioning system-compatible device (1900), that a user has moved through a sequence of cellids, wherein moving through a sequence of cellids comprises moving from a first region corresponding to a first cellid to a second region corresponding to a second cellid; accessing previously stored route information corresponding to the sequence of cellids, wherein the previously stored route information includes previously recorded sequences of cellids and global positioning system (GPS) information; estimating a current position of the user based on the previously stored route information; and displaying the current position of the user.",
  "title": "Energy-efficient positioning system for smartphone using cell-ID sequence matching"
}