Patent ID: 9084122
Filing Date: 2015-07-14
Classification: G01S,H04W

Abstract:
1. A method of processing access point (AP) crowdsourcing data, comprising: receiving WiFi scan lists and their corresponding location descriptions, wherein the WiFi scan lists include information observed about at least one access point device and wherein the information observed includes at least one of observation time, horizontal uncertainty, or vertical uncertainty of the at least one access point being observed; consolidating the WiFi scan lists and their corresponding location descriptions based at least in part on a set of selection criteria to generate a WiFi AP record, wherein consolidating the WiFi scan lists and their corresponding location descriptions comprises quantizing data received in accordance with time segment of the WiFi scan lists and their corresponding location descriptions to minimize repetitive information observed, and wherein the time segment of the WiFi scan lists indicates a period of time the information about the at least one access point device is observed, and wherein the set of selection criteria comprises similarity between scan lists and comparison of horizontal estimated position error values between similar scan lists; and uploading the WiFi AP record to a crowdsourcing server.