H04W 74/0833
Random access procedures
Official title: Random access procedures, e.g. with 4-step access
H04W74/0833 (Random access procedures) appears on 10,134 US grants and 14,517 published applications in this corpus.
Search patents in H04W- Granted patents
- 10,134
- Published applications
- 14,517
- Assignees
- 793
- Inventors
- 7,317
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 11 |
| 2002 | 12 | 18 |
| 2003 | 22 | 18 |
| 2004 | 14 | 32 |
| 2005 | 17 | 29 |
| 2006 | 21 | 22 |
| 2007 | 20 | 37 |
| 2008 | 19 | 67 |
| 2009 | 19 | 121 |
| 2010 | 40 | 180 |
| 2011 | 56 | 163 |
| 2012 | 107 | 225 |
| 2013 | 160 | 300 |
| 2014 | 258 | 373 |
| 2015 | 289 | 414 |
| 2016 | 403 | 539 |
| 2017 | 424 | 530 |
| 2018 | 434 | 755 |
| 2019 | 599 | 1057 |
| 2020 | 832 | 1324 |
| 2021 | 975 | 1417 |
| 2022 | 1058 | 1674 |
| 2023 | 1111 | 1355 |
| 2024 | 1287 | 1353 |
| 2025 | 1246 | 1345 |
| 2026 | 674 | 1158 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for radio sidelink operation over shared spectrum6 Oct 2026US 12,756,444 B2InterDigital Patent Holdings, Inc.
- Demodulation reference signal bundling of a message of a random access procedure6 Oct 2026US 12,756,513 B2QUALCOMM Incorporated
- Indication for preamble transmission after beam switch6 Oct 2026US 12,757,083 B2Nokia Technologies Oy
- Physical random access channel (PRACH) receiver for determining cells in which a preamble has been transmitted6 Oct 2026US 12,757,250 B2Telefonaktiebolaget LM Ericsson (publ)
- Efficient signalling of features combination for random access channel partitioning6 Oct 2026US 12,757,252 B2Nokia Technologies Oy
- Exposure Detection and Reporting For Wireless Communications8 Oct 2026US 2026/0312612 A1Comcast Cable Communications, LLC
- Beam Failure Detection and Recovery for Deactivated Secondary Cell Group (SCG)8 Oct 2026US 2026/0312665 A1
- Devices and methods for initial access8 Oct 2026US 2026/0312779 A1Lenovo (Beijing) Limited
- Communication method and apparatus, and device and storage medium8 Oct 2026US 2026/0312780 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Method and apparatus for support of machine learning or artificial intelligence techniques in communication systems8 Oct 2026US 2026/0312842 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Bandwidth reservation and collision resolution method for multiple access communication networks where remote hosts send reservation requests to a base station for randomly chosen minislots382US 6,115,390 ALucent Technologies Inc. · 2000
- Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system197US 5,544,196 AQUALCOMM Incorporated · 1996
- NFC collision avoidance with controllable NFC transmission delay timing192US 9,723,635 B2Sony Corporation · 2017
- Access method for broadband and narrowband networks188US 5,751,708 ALucent Technologies Inc. · 1998
- Signaling over cellular networks to reduce the Wi-Fi energy consumption of mobile devices187US 8,358,975 B2Microsoft Corporation · 2013