Indoor/outdoor detection using wireless signals

US11747441B2 · kind B2 · utility

Assignee

• Apple Inc. · US

Inventors

• Harsha Shirahatti · Santa Clara, US
• Sujeet Milind Patole · Richardson, US
• Jouya Jadidian · Los Gatos, US
• Mikheil Tsiklauri · Cupertino, US
• Shun Liu · Beijing, CN
• Vaneet Pathak · Los Altos Hills, US
• Lei Wang · Hangzhou City, CN
• Kumar Gaurav Chhokra · Victoria, CA

Key dates

• Filing date: Jul 29, 2020
• Grant date: Sep 5, 2023
• Expiry date: Jun 6, 2041

Classification

• Technology area (CPC G): Physics
• CPC primary: G01S13/08
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An electronic device may utilize various methods or systems to determine whether the electronic device is indoors or outdoors. The electronic device transmits wireless signals (e.g., radio detection and ranging (RADAR) signals). The electronic device receives reflections of the wireless signals. Using these received reflections of the wireless signals, the electronic device determines whether a power amplitude of the reflections is greater than or equal to a threshold value. In response to a determination that the power amplitude is not greater than or equal to the threshold value, the electronic device operates in an outdoor mode or an indoor mode.