H04B 1/711
The interference being multi-path interference
Official title: the interference being multi-path interference
H04B1/711 (The interference being multi-path interference) appears on 1,814 US grants and 1,563 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,814
- Published applications
- 1,563
- Assignees
- 419
- Inventors
- 2,291
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 24 | 0 |
| 1998 | 29 | 0 |
| 1999 | 46 | 0 |
| 2000 | 58 | 0 |
| 2001 | 67 | 52 |
| 2002 | 70 | 155 |
| 2003 | 94 | 169 |
| 2004 | 131 | 208 |
| 2005 | 86 | 140 |
| 2006 | 166 | 103 |
| 2007 | 139 | 102 |
| 2008 | 94 | 89 |
| 2009 | 104 | 92 |
| 2010 | 114 | 79 |
| 2011 | 95 | 63 |
| 2012 | 87 | 48 |
| 2013 | 94 | 50 |
| 2014 | 64 | 37 |
| 2015 | 57 | 33 |
| 2016 | 30 | 21 |
| 2017 | 22 | 12 |
| 2018 | 16 | 13 |
| 2019 | 16 | 23 |
| 2020 | 26 | 21 |
| 2021 | 20 | 13 |
| 2022 | 16 | 12 |
| 2023 | 13 | 11 |
| 2024 | 3 | 8 |
| 2025 | 8 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Variable delay FIR filter for reflection equalization17 Mar 2026US 12,580,599 B2Texas Instruments Incorporated
- Method and apparatus for generating combination output for acquisition by coherently combining correlation outputs of multiple channels3 Feb 2026US 12,542,576 B2Airoha Technology Corp.
- UE reporting for rake receiver configuration23 Dec 2025US 12,507,246 B2QUALCOMM Incorporated
- Indoor and outdoor geolocation and time of arrival estimation using wireless signals11 Nov 2025US 12,468,003 B2NextNav France
- Apparatus and method for symbol time recovery using feedback loop11 Nov 2025US 12,470,449 B2Samsung Electronics Co., Ltd.
- Systems and methods for enhanced multipath differentiation27 Aug 2026US 2026/0251806 A1TrustPoint, Inc.
- User equipment for performing wireless communication with base station and operation method of user equipment5 Mar 2026US 2026/0067013 A1Samsung Electronics Co., Ltd.
- Apparatus and method for symbol time recovery using feedback loop5 Feb 2026US 2026/0039532 A1Samsung Electronics Co., Ltd.
- Multi-user wireless digital communication over sound wave in air by coupling direct sequence spread spectrum - orthogonal frequency division multiplexing (dsss-ofdm) for low snr regime27 Nov 2025US 2025/0365031 A1Trillbit, Inc.
- Method and apparatus for generating combination output for acquisition by coherently combining correlation outputs of multiple channels20 Nov 2025US 2025/0357965 A1Airoha Technology Corp.
Most cited
By later US patents
- System and method for generating signal waveforms in a CDMA cellular telephone system1,721US 5,103,459 AQUALCOMM Incorporated · 1992
- Diversity receiver in a CDMA cellular telephone system825US 5,109,390 AQUALCOMM Incorporated · 1992
- System and method for generating signal waveforms in a CDMA cellular telephone system404US 5,416,797 AQUALCOMM Incorporated · 1995
- System and method for generating signal waveforms in a CDMA cellular telephone system359US 5,309,474 AQUALCOMM Incorporated · 1994
- Code division multiple access (CDMA) communication system333US 6,157,619 AInterDigital Technology Corporation · 2000