H04L 2025/0342
Qam
Official title: {qam}
H04L2025/0342 (Qam) appears on 352 US grants and 315 published applications in this corpus.
Search patents in H04L- Granted patents
- 352
- Published applications
- 315
- Assignees
- 169
- Inventors
- 601
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 6 |
| 2002 | 12 | 14 |
| 2003 | 7 | 13 |
| 2004 | 11 | 25 |
| 2005 | 8 | 20 |
| 2006 | 12 | 7 |
| 2007 | 18 | 13 |
| 2008 | 12 | 26 |
| 2009 | 18 | 30 |
| 2010 | 18 | 19 |
| 2011 | 20 | 25 |
| 2012 | 34 | 9 |
| 2013 | 28 | 17 |
| 2014 | 26 | 10 |
| 2015 | 17 | 13 |
| 2016 | 18 | 12 |
| 2017 | 10 | 11 |
| 2018 | 11 | 14 |
| 2019 | 14 | 8 |
| 2020 | 9 | 6 |
| 2021 | 5 | 4 |
| 2022 | 4 | 2 |
| 2023 | 2 | 3 |
| 2024 | 2 | 6 |
| 2025 | 4 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adaptive equalization method and apparatus for probabilistic shaping system, and readable storage medium12 May 2026US 12,627,543 B2Zte Corporation
- Technique to perform demodulation of wireless communications signal data5 Aug 2025US 12,381,763 B2NVIDIA Corporation
- System and method for powering re-generation and re-transmission of millimeter waves for building penetration13 May 2025US 12,301,286 B2Nxgen Partners IP, LLC
- Selecting a modulation scheme responsive to fault types in 5G/6G11 Mar 2025US 12,250,100 B2
- Enhanced communication system4 Mar 2025US 12,244,448 B2
- Waveform Modulation for Fault Mitigation in 5G/6G14 Aug 2025US 2025/0260603 A1
- Enhanced communication system6 Feb 2025US 2025/0047546 A1
- Adaptive equalization method and apparatus for probabilistic shaping system, and readable storage medium12 Dec 2024US 2024/0414038 A1Zte Corporation
- Selecting a Modulation Scheme Responsive to Fault Types in 5G/6G3 Oct 2024US 2024/0333558 A1
- Technique to perform demodulation of wireless communications signal data5 Sep 2024US 2024/0297809 A1NVIDIA Corporation
Most cited
By later US patents
- System and method for communication using orbital angular momentum with multiple layer overlay modulation160US 9,077,577 B12015
- High stability fast tracking adaptive equalizer for use with time varying communication channels144US 6,240,133 B1Texas Instruments Incorporated · 2001
- Efficient soft decision demapper to minimize viterbi decoder complexity143US 7,313,750 B1Ralink Technology Corporation · 2007
- Equalization and decision-directed loops with trellis demodulation in high definition TV140US 6,775,334 B1Broadcom Corporation · 2004
- Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response124US 5,119,401 ANEC Corporation · 1992