G01S 5/02525
Gathering the radio frequency fingerprints
Official title: {Gathering the radio frequency fingerprints}
G01S5/02525 (Gathering the radio frequency fingerprints) appears on 400 US grants and 470 published applications in this corpus.
Search patents in G01S- Granted patents
- 400
- Published applications
- 470
- Assignees
- 198
- Inventors
- 790
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 2 |
| 2004 | 4 | 4 |
| 2005 | 0 | 4 |
| 2006 | 3 | 9 |
| 2007 | 4 | 7 |
| 2008 | 7 | 21 |
| 2009 | 6 | 5 |
| 2010 | 10 | 8 |
| 2011 | 5 | 19 |
| 2012 | 12 | 15 |
| 2013 | 20 | 27 |
| 2014 | 22 | 32 |
| 2015 | 23 | 31 |
| 2016 | 38 | 40 |
| 2017 | 35 | 28 |
| 2018 | 25 | 31 |
| 2019 | 25 | 18 |
| 2020 | 31 | 34 |
| 2021 | 19 | 37 |
| 2022 | 30 | 28 |
| 2023 | 27 | 22 |
| 2024 | 17 | 28 |
| 2025 | 17 | 8 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- In-building localization using device radio frequency fingerprints29 Sep 2026US 12,750,813 B1Amazon Technologies, Inc.
- Method for constructing indoor map and related apparatus14 Jul 2026US 12,681,128 B2Huawei Technologies Co., Ltd.
- Method of generating direction vector of particle, and apparatus and method for estimating indoor location based thereon30 Jun 2026US 12,669,569 B2Electronics and Telecommunications Research Institute
- Dynamic fixed wireless offload gateway2 Jun 2026US 12,644,953 B2T-Mobile Innovations LLC
- Emergency response location detection26 May 2026US 12,638,287 B2Dish Wireless L. L. C.
- User equipment-based (ue-based) positioning based on self-radio frequency fingerprint (self-rffp)13 Aug 2026US 2026/0235717 A1QUALCOMM Incorporated
- Adaptive location technology handoffs with asset trackers30 Jul 2026US 2026/0223065 A1
- Apparatus for identification of areas with high mobile networking apparatus concentrations28 May 2026US 2026/0147079 A1HERE Global B. V.
- Communication for joint measurement procedures28 May 2026US 2026/0148073 A1QUALCOMM Incorporated
- Object location through media-playback devices19 Mar 2026US 2026/0079227 A1DISH Network Technologies India Private Limited
Most cited
By later US patents
- Location beacon database344US 7,433,694 B2Skyhook Wireless, Inc. · 2008
- Method for RF fingerprinting313US 7,346,359 B2PanGo Networks, Inc. · 2008
- Location-based services that choose location algorithms based on number of detected access points within range of user device267US 7,305,245 B2Skyhook Wireless, Inc. · 2007
- Location determination using RF fingerprinting257US 6,393,294 B1Polaris Wireless, Inc. · 2002
- Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model data254US 6,771,957 B2InterDigital Technology Corporation · 2004