G01S 5/02527
Detecting or resolving anomalies in the radio frequency fingerprints of the radio-map
Official title: {Detecting or resolving anomalies in the radio frequency fingerprints of the radio-map}
G01S5/02527 (Detecting or resolving anomalies in the radio frequency fingerprints of the radio-map) appears on 110 US grants and 135 published applications in this corpus.
Search patents in G01S- Granted patents
- 110
- Published applications
- 135
- Assignees
- 80
- Inventors
- 261
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 3 |
| 2010 | 3 | 9 |
| 2011 | 4 | 2 |
| 2012 | 8 | 4 |
| 2013 | 4 | 6 |
| 2014 | 5 | 8 |
| 2015 | 4 | 7 |
| 2016 | 6 | 6 |
| 2017 | 2 | 5 |
| 2018 | 9 | 12 |
| 2019 | 11 | 4 |
| 2020 | 6 | 14 |
| 2021 | 9 | 17 |
| 2022 | 15 | 7 |
| 2023 | 8 | 4 |
| 2024 | 8 | 6 |
| 2025 | 2 | 2 |
| 2026 | 1 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Wireless location learning19 May 2026US 12,633,409 B2Hill-Rom Services, Inc.
- Method for detecting anomalies in a positioning system and positioning engine for a positioning system12 Aug 2025US 12,386,013 B2u-blox AG
- Radio performance fingerprint based sensor management29 Jul 2025US 12,372,604 B2Building Robotics, Inc.
- Method and apparatus for fingerprint database creation, method and apparatus for fingerprint database application, centralized processing device and base station3 Dec 2024US 12,159,480 B2Zte Corporation
- Positioning method and apparatus for terminal, using various data combinations22 Oct 2024US 12,123,962 B2Korea Railroad Research Institute
- Wireless location learning27 Aug 2026US 2026/0253724 A1Hill-Rom Services, Inc.
- Apparatus for identification of areas with high mobile networking apparatus concentrations28 May 2026US 2026/0147079 A1HERE Global B. V.
- Systems and methods for reduced energy randomized location detection9 Apr 2026US 2026/0098931 A1
- Object location through media-playback devices19 Mar 2026US 2026/0079227 A1DISH Network Technologies India Private Limited
- Tagging and tracking of objects with ambient radio frequency signals1 Jan 2026US 2026/0003025 A1
Most cited
By later US patents
- Estimating the location of a wireless terminal based on calibrated signal-strength measurements47US 7,796,966 B2Polaris Wireless, Inc. · 2010
- Autonomous calibration of a wireless-global positioning system46US 6,570,529 B2Lucent Technologies Inc. · 2003
- Estimating the location of a wireless terminal based on calibrated signal-strength measurements45US 8,068,802 B2Polaris Wireless, Inc. · 2011
- Method and apparatus for fixing the location of a fixed wireless terminal in a wireless network25US 6,775,552 B2BellSouth Intellectual Property Corporation · 2004
- Wireless node location mechanism responsive to observed propagation characteristics of wireless network infrastructure signals22US 7,205,938 B2Airespace, Inc. · 2007