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Google patents radar system that bounces signals around obstacles

Google has filed a patent for a radar system that uses adjustable reflectors to route signals around physical obstacles. The device first scans for blockers, then adjusts the angle of these reflectors to peek behind them and detect hidden objects.

Why it mattersThis technology could improve how wireless networks or autonomous vehicles detect objects in complex environments where direct line-of-sight is blocked.

In the filing’s own words

This disclosure provides devices, methods, and systems for radar sensing using adaptive phase-changing devices (APDs). An example device (e.g., a base station, a user equipment, a satellite network entity, etc.) first transmits ( 340) initial radar signals in multiple directions to identify a blocking object. Based on the identified position of the blocking object, the device may employ ( 366) an APD (e.g., based on its registered position) that helps routing signals around the at least one blocking object (such as an APD positioned to reflect the radio waves from the device to reach behind the blocking object). The device has the APD vary ( 377) phase vectors to change reflection directions of APD radar sensing signals to scan for a blocked object blocked by the blocking object. When the device finds a blocked object, the device determines ( 386) a set of APD configurations for a signal path specific to the blocked object.

What exactly they claim (claim 1)

1 - 16. (canceled)

Facts

Company
Google (Google LLC)
Official title
RADAR SENSING USING ADAPTIVE PHASE-CHANGING DEVICES (APDS)
Publication number
US20260259310A1
Application number
19162241
Filed
Feb 23, 2024
Published
Sep 3, 2026
Inventors
2
Claims
21

Classified under

G01S 13/46 Physics & computingG01S 7/006 Physics & computingG01S 2013/464 Physics & computing
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.