H04L 9/0875
Based on channel impulse response [cir]
Official title: {based on channel impulse response [CIR]}
H04L9/0875 (Based on channel impulse response [cir]) appears on 136 US grants and 186 published applications in this corpus.
Search patents in H04L- Granted patents
- 136
- Published applications
- 186
- Assignees
- 102
- Inventors
- 349
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 5 |
| 2008 | 0 | 6 |
| 2009 | 1 | 3 |
| 2010 | 1 | 4 |
| 2011 | 1 | 3 |
| 2012 | 8 | 11 |
| 2013 | 6 | 9 |
| 2014 | 9 | 5 |
| 2015 | 13 | 10 |
| 2016 | 5 | 8 |
| 2017 | 9 | 12 |
| 2018 | 12 | 11 |
| 2019 | 11 | 13 |
| 2020 | 4 | 16 |
| 2021 | 11 | 12 |
| 2022 | 15 | 10 |
| 2023 | 13 | 10 |
| 2024 | 3 | 15 |
| 2025 | 7 | 11 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sparse domains exploitation for physical layer authentication25 Aug 2026US 12,719,846 B2Vestel Elektronik Sanayi Ve Ticaret A.S.
- Spatial domain self-decoding of encrypted communication18 Aug 2026US 12,712,613 B2Telefonaktiebolaget LM Ericsson (publ)
- Monitoring of a local environment using a physical unclonable function28 Jul 2026US 12,694,241 B2Ihp—Innovations for High Performance Microelectronics/Leibniz-Instit Fur Innovative Mikroelektronik
- Techniques for enabling secure communications or energy transfer operations19 May 2026US 12,634,685 B2QUALCOMM Incorporated
- Cryptographic process28 Oct 2025US 12,457,492 B2Nokia Technologies Oy
- Method of wireless security communication using physical layer shared security key in ambient internet-of-things network and related devices30 Jul 2026US 2026/0222805 A1Innopeak Technology, Inc.
- Network key generation method and system based on random channel and dh negotiation18 Jun 2026US 2026/0172241 A1Nanjing University of Posts and Telecommunications
- Transmitting secret key and/or artificial noise buffer status reports7 May 2026US 2026/0129432 A1QUALCOMM Incorporated
- Communication method and apparatus7 May 2026US 2026/0129433 A1Huawei Technologies Co., Ltd.
- Method for secure time of arrival measurement12 Mar 2026US 2026/0072158 A1Infineon Technologies Switzerland AG
Most cited
By later US patents
- LPI/LPD communication systems83US 8,929,550 B2Department 13, LLC · 2015
- Apparatus and method for secure communication based on channel characteristics51US 6,031,913 AEricsson Inc. · 2000
- Method and system for deriving an encryption key using joint randomness not shared by others43US 8,280,046 B2InterDigital Technology Corporation · 2012
- Generation of perfectly secret keys in wireless communication networks43US 9,130,693 B2InterDigital Technology Corporation · 2015
- Generation of perfectly secret keys in wireless communication networks38US 8,238,551 B2InterDigital Technology Corporation · 2012