G01S 19/428
Using multipath or indirect path propagation signals in position determination
Official title: {using multipath or indirect path propagation signals in position determination}
G01S19/428 (Using multipath or indirect path propagation signals in position determination) appears on 116 US grants and 146 published applications in this corpus.
Search patents in G01S- Granted patents
- 116
- Published applications
- 146
- Assignees
- 76
- Inventors
- 254
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 3 |
| 2012 | 0 | 2 |
| 2013 | 3 | 3 |
| 2014 | 0 | 2 |
| 2015 | 1 | 7 |
| 2016 | 3 | 4 |
| 2017 | 7 | 7 |
| 2018 | 6 | 7 |
| 2019 | 5 | 5 |
| 2020 | 7 | 10 |
| 2021 | 6 | 17 |
| 2022 | 18 | 22 |
| 2023 | 18 | 18 |
| 2024 | 13 | 8 |
| 2025 | 11 | 10 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced motion state detection for location services9 Jun 2026US 12,650,523 B2QUALCOMM Incorporated
- Methods and systems for excess path length corrections for GNSS receivers5 May 2026US 12,618,983 B2oneNav, Inc.
- Modernized consumer grade GNSS secondary code acquisition and signal tracking17 Mar 2026US 12,578,481 B2oneNav, Inc.
- Method, system and computer program product for performing correlation in a positioning system7 Oct 2025US 12,436,297 B2Focal Point Positioning Limited
- System for determining a physical metric such as position30 Sep 2025US 12,429,601 B2Focal Point Positioning Limited
- Method and apparatus for performing motion compensated radio signal processing when a receiving antenna is stationary10 Sep 2026US 2026/0267010 A1Focal Point Positioning Limited
- Systems and methods for enhanced multipath differentiation27 Aug 2026US 2026/0251806 A1TrustPoint, Inc.
- Method and apparatus for determining at least one characteristic of a signal propagation path6 Aug 2026US 2026/0227482 A1Focal Point Positioning Limited
- Enhanced motion state detection for location services6 Aug 2026US 2026/0227527 A1QUALCOMM Incorporated
- Methods and systems for positioning purposes30 Jul 2026US 2026/0219397 A1Trimble Inc.
Most cited
By later US patents
- Method and apparatus for mitigating multipath effects and smoothing groundtracks in a GPS receiver48US 5,883,595 ARockwell International Corporation · 1999
- Geographical navigation using multipath wireless navigation signals48US 6,693,592 B2The Charles Stark Draper Laboratory, Inc. · 2004
- Multipath calibration in GPS pseudorange measurements36US 5,726,659 AStanford University · 1998
- Method, and associated apparatus, for determining geographic positioning of a wireless communication station operable in a non-ideal propagation environment35US 6,282,426 B1Nokia Mobile Phones Ltd. · 2001
- Position determination based on hybrid pseudorange solution data26US 8,044,852 B2Trimble Navigation Limited · 2011