Patent · US Active

Extending a radio map

US10979854B2 · kind B2 · utility

2Cited by

30References

20Claims

0Family size

Assignee

Apple Inc. · US

Inventors

Wei Kong · Permatang Pauh, MY
Robert Mayor · Rue de l'Église, US
Chun-Yuan Yang · San Jose, US
Darin Tay · Sunnyvale, US

Key dates

Filing date	Sep 20, 2017
Grant date	Apr 13, 2021
Priority date	—
Expiry date	Sep 20, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04W4/33
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method comprising: receiving a radio map of an indoor venue using survey data collected by a survey device positioned throughout the venue, the radio map including a boundary; obtaining harvest data that correspond to locations that are outside of the boundary; filtering the harvest data; and extending the radio map using the survey data and the filtered harvest data, wherein the extended radio map is defined at least in part by an extension of the boundary.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.