H04B 1/7115
Constructive combining of multi-path signals, i.e. rake receivers
Official title: Constructive combining of multi-path signals, i.e. RAKE receivers
H04B1/7115 (Constructive combining of multi-path signals, i.e. rake receivers) appears on 1,585 US grants and 1,334 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,585
- Published applications
- 1,334
- Assignees
- 346
- Inventors
- 1,983
- 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 | 10 | 0 |
| 1997 | 23 | 0 |
| 1998 | 27 | 0 |
| 1999 | 46 | 0 |
| 2000 | 55 | 0 |
| 2001 | 63 | 42 |
| 2002 | 64 | 143 |
| 2003 | 81 | 162 |
| 2004 | 122 | 198 |
| 2005 | 77 | 129 |
| 2006 | 157 | 93 |
| 2007 | 132 | 96 |
| 2008 | 88 | 85 |
| 2009 | 97 | 82 |
| 2010 | 109 | 70 |
| 2011 | 85 | 54 |
| 2012 | 75 | 34 |
| 2013 | 76 | 38 |
| 2014 | 50 | 25 |
| 2015 | 46 | 21 |
| 2016 | 26 | 16 |
| 2017 | 15 | 7 |
| 2018 | 9 | 5 |
| 2019 | 5 | 7 |
| 2020 | 9 | 11 |
| 2021 | 7 | 4 |
| 2022 | 11 | 4 |
| 2023 | 3 | 2 |
| 2024 | 1 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
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
- Radio-frequency chip13 May 2025US 12,301,265 B2Huawei Technologies Co., Ltd.
- Rake receiver and related methods13 Aug 2024US 12,063,063 B2L3Harris Technologies, 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.
- Ue reporting for rake receiver configuration16 Jan 2025US 2025/0024290 A1QUALCOMM Incorporated
- Rake receiver and related methods10 Oct 2024US 2024/0340039 A1L3Harris Technologies, Inc.
- Communication apparatus, communication system, communication method, control circuit, and storage medium15 Aug 2024US 2024/0275639 A1Mitsubishi Electric Corporation
- Magnitude and phase adjustment method for high output power rf power amplifier combining27 Jun 2024US 2024/0214026 A1Telefonaktiebolaget LM Ericsson (publ)
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