H04L 5/143
For modulated signals
Official title: {for modulated signals (H04L5/1469 takes precedence)}
H04L5/143 (For modulated signals) appears on 701 US grants and 734 published applications in this corpus.
Search patents in H04L- Granted patents
- 701
- Published applications
- 734
- Assignees
- 298
- Inventors
- 1,293
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 6 |
| 2002 | 16 | 36 |
| 2003 | 20 | 22 |
| 2004 | 17 | 18 |
| 2005 | 16 | 24 |
| 2006 | 24 | 10 |
| 2007 | 10 | 61 |
| 2008 | 29 | 43 |
| 2009 | 21 | 30 |
| 2010 | 13 | 18 |
| 2011 | 22 | 24 |
| 2012 | 23 | 16 |
| 2013 | 16 | 25 |
| 2014 | 24 | 39 |
| 2015 | 28 | 47 |
| 2016 | 30 | 37 |
| 2017 | 38 | 39 |
| 2018 | 37 | 46 |
| 2019 | 52 | 53 |
| 2020 | 38 | 36 |
| 2021 | 38 | 31 |
| 2022 | 21 | 19 |
| 2023 | 27 | 16 |
| 2024 | 17 | 16 |
| 2025 | 19 | 17 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Demodulation reference signal precoding in precoding resource block groups associated with subband full duplex configurations29 Sep 2026US 12,750,200 B2QUALCOMM Incorporated
- Channel prediction for MIMO systems based on reciprocity9 Jun 2026US 12,652,654 B2The Board of Trustees of the University of Illinois
- Very short-range high-speed full-duplex wireless communications2 Jun 2026US 12,647,243 B2NXP B. V.
- Transmission resource determining method and device19 May 2026US 12,634,908 B2Vivo Mobile Communication Co., Ltd.
- Method for performing MT operation and DU operation by IAB node in wireless communication system, and device therefor31 Mar 2026US 12,592,809 B2LG Electronics Inc.
- Ue-aided rsb mitigation3 Sep 2026US 2026/0261457 A1QUALCOMM Incorporated
- Transmission resource determining method and device13 Aug 2026US 2026/0239322 A1Vivo Mobile Communication Co., Ltd.
- Symbol type and configuration for ul muting13 Aug 2026US 2026/0239358 A1QUALCOMM Incorporated
- Transport block transmission over multiple time slots23 Apr 2026US 2026/0113751 A1QUALCOMM Incorporated
- Frame structure configuration5 Feb 2026US 2026/0039447 A1Nokia Technologies Oy
Most cited
By later US patents
- Method for frequency division duplex communications526US 5,933,421 AAT&T Wireless Services, Inc. · 1999
- Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels352US 4,675,863 AInternational Mobile Machines Corporation · 1987
- Transport of payload information and control messages on multiple orthogonal carriers spread throughout substantially all of a frequency bandwith320US 6,275,990 B1ADC Telecommunications, Inc. · 2001
- Channel equalization system and method265US 6,904,110 B22005
- Channel selection for a hybrid fiber coax network264US 6,334,219 B1ADC Telecommunications, Inc. · 2001