H04W 74/0808
Using carrier sensing
Official title: using carrier sensing, e.g. carrier sense multiple access [CSMA]
H04W74/0808 (Using carrier sensing) appears on 7,678 US grants and 10,994 published applications in this corpus.
Search patents in H04W- Granted patents
- 7,678
- Published applications
- 10,994
- Assignees
- 801
- Inventors
- 6,810
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 5 |
| 2002 | 15 | 17 |
| 2003 | 11 | 27 |
| 2004 | 5 | 31 |
| 2005 | 8 | 58 |
| 2006 | 21 | 73 |
| 2007 | 19 | 85 |
| 2008 | 28 | 70 |
| 2009 | 38 | 75 |
| 2010 | 65 | 103 |
| 2011 | 67 | 97 |
| 2012 | 90 | 133 |
| 2013 | 112 | 158 |
| 2014 | 147 | 181 |
| 2015 | 179 | 284 |
| 2016 | 203 | 469 |
| 2017 | 294 | 631 |
| 2018 | 375 | 746 |
| 2019 | 657 | 749 |
| 2020 | 710 | 918 |
| 2021 | 681 | 1012 |
| 2022 | 765 | 1114 |
| 2023 | 778 | 1101 |
| 2024 | 930 | 1088 |
| 2025 | 857 | 997 |
| 2026 | 564 | 772 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for priority emergency messages over Wi-Fi6 Oct 2026US 12,757,000 B2Cox Communications, Inc.
- Central cloud server and edge devices assisted high speed low-latency wireless connectivity6 Oct 2026US 12,757,035 B2Peltbeam Inc.
- Inter radio access technology measurement without measurement gap6 Oct 2026US 12,757,056 B2Apple Inc.
- Priority based channel access procedure for sidelink communications6 Oct 2026US 12,757,064 B2QUALCOMM Incorporated
- Selective receiver-assisted channel sensing6 Oct 2026US 12,757,243 B2QUALCOMM Incorporated
- Method and apparatus for canceling sl consistent lbt failure8 Oct 2026US 2026/0313615 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Wireless communication method and communication device8 Oct 2026US 2026/0313646 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Method and apparatus for determining pssch resource, communication device, and storage medium8 Oct 2026US 2026/0313663 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Bandwidth part switching methods and apparatus for wireless devices8 Oct 2026US 2026/0313682 A1Toyota Jidosha Kabushiki Kaisha
- Devices, methods and medium for sidelink communications8 Oct 2026US 2026/0313685 A1Lenovo (Beijing) Limited
Most cited
By later US patents
- Time-slot-based system and method of inter-vehicle communication390US 8,520,695 B1Zetta Research and Development, LLC - ForC Series · 2013
- Data communication transceiver using identification protocol319US 5,365,551 AMicron Technology, Inc. · 1994
- Communication network having a dormant polling protocol310US 5,896,561 AIntermec IP Corp. · 1999
- Dynamic wireless local area network with interactive communications within the network284US 5,875,186 ANetwave Technologies Limited · 1999
- Medium access protocol for wireless LANs272US 5,231,634 AProxim, Inc. · 1993