H04B 1/7107
Subtractive interference cancellation
H04B1/7107 (Subtractive interference cancellation) appears on 769 US grants and 700 published applications in this corpus.
Search patents in H04B- Granted patents
- 769
- Published applications
- 700
- Assignees
- 236
- Inventors
- 1,211
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 18 | 0 |
| 2000 | 14 | 0 |
| 2001 | 17 | 6 |
| 2002 | 23 | 55 |
| 2003 | 29 | 66 |
| 2004 | 26 | 46 |
| 2005 | 31 | 56 |
| 2006 | 48 | 35 |
| 2007 | 50 | 53 |
| 2008 | 57 | 37 |
| 2009 | 32 | 44 |
| 2010 | 40 | 41 |
| 2011 | 34 | 44 |
| 2012 | 44 | 34 |
| 2013 | 54 | 24 |
| 2014 | 40 | 32 |
| 2015 | 32 | 12 |
| 2016 | 20 | 32 |
| 2017 | 24 | 18 |
| 2018 | 25 | 16 |
| 2019 | 24 | 11 |
| 2020 | 17 | 10 |
| 2021 | 9 | 9 |
| 2022 | 12 | 7 |
| 2023 | 8 | 6 |
| 2024 | 7 | 4 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Antenna-plexer for interference cancellation2 Jun 2026US 12,646,862 B2Skyworks Solutions, Inc.
- Wireless communication control method, receiving station, and non-transitory storage medium19 Aug 2025US 12,395,198 B2Toyota Jidosha Kabushiki Kaisha
- Concurrent code division and frequency division signaling via an uplink channel20 May 2025US 12,308,947 B2QUALCOMM Incorporated
- Joint channel filtering and crest factor reduction architecture21 Jan 2025US 12,206,447 B2Altera Corporation
- Circuits and methods for reducing an interference signal that spectrally overlaps a desired signal19 Nov 2024US 12,149,278 B2The Aerospace Corporation
- System for preprocessing for eliminating interference within adjacent range of analog signal of hdr and cdr12 Feb 2026US 2026/0045961 A1Rf2Digital Inc.
- A successive interference cancellation receiver for line-of-sight multiple-input multiple-output receivers23 Jan 2025US 2025/0030449 A1Telefonaktiebolaget LM Ericsson (publ)
- Antenna-plexer for interference cancellation24 Oct 2024US 2024/0356242 A1Skyworks Solutions, Inc.
- Wireless communication control method, receiving station, and non-transitory storage medium23 May 2024US 2024/0171205 A1Toyota Jidosha Kabushiki Kaisha
- Concurrent code division and frequency division signaling via an uplink channel14 Mar 2024US 2024/0089023 A1QUALCOMM Incorporated
Most cited
By later US patents
- Highly bandwidth efficient communications262US 6,359,923 B1AT&T Wireless Services, Inc. · 2002
- CDMA subtractive demodulation252US 5,218,619 AEricsson GE Mobile Communications Holding, Inc. · 1993
- CDMA subtractive demodulation246US 5,151,919 AEricsson GE Mobile Communications Holding, Inc. · 1992
- Quantized coherent rake receiver210US 5,305,349 AEricsson GE Mobile Communications Inc. · 1994
- Low power parallel correlator for measuring correlation between digital signal segments190US 5,896,304 AGeneral Electric Company · 1999