H04L 27/2089
With unbalanced quadrature channels
Official title: {with unbalanced quadrature channels}
H04L27/2089 (With unbalanced quadrature channels) appears on 35 US grants and 36 published applications in this corpus.
Search patents in H04L- Granted patents
- 35
- Published applications
- 36
- Assignees
- 27
- Inventors
- 84
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 4 |
| 2011 | 1 | 3 |
| 2012 | 4 | 3 |
| 2013 | 2 | 3 |
| 2014 | 5 | 3 |
| 2015 | 1 | 2 |
| 2016 | 3 | 5 |
| 2017 | 4 | 3 |
| 2018 | 3 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image rejection compensation method for I/Q down-conversion in radio frequency receivers, corresponding circuit, radio frequency receiver device and computer program product26 Dec 2023US 11,855,830 B2STMicroelectronics S,r.l.
- Apparatus and method for correcting deviation between plurality of transmission channels13 Sep 2022US 11,444,820 B2Huawei Technologies Co., Ltd.
- Apparatus and method for correcting deviation between plurality of transmission channels9 Mar 2021US 10,944,618 B2Huawei Technologies Co., Ltd.
- Systems and methods for digital correction in low intermediate frequency (IF) receivers8 Dec 2020US 10,862,728 B1NXP USA, Inc.
- Systems and methods for digital correction with selective enabling in low intermediate frequency (IF) receivers8 Dec 2020US 10,862,729 B1NXP USA, Inc.
- Apparatus and Method for Correcting Deviation Between Plurality of Transmission Channels26 Aug 2021US 2021/0266217 A1Huawei Technologies Co., Ltd.
- Image rejection compensation method for i/q down-conversion in radio frequency receivers, corresponding circuit, radio frequency receiver device and computer program product24 Jun 2021US 2021/0194746 A1STMicroelectronics S,r.l.
- Apparatus and Method for Correcting Deviation Between Plurality of Transmission Channels15 Oct 2020US 2020/0328929 A1Huawei Technologies Co., Ltd.
- Multicarrier communication system and channel estimation method thereof26 Jul 2018US 2018/0212799 A1National Tsing Hua University
- Method for receiving downlink by ue in wireless communication system and device therefor19 Jul 2018US 2018/0205581 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method for generating modem transmission signals with quadrature amplitude modulation19US 4,327,439 ALicentia Patent-Verwaltungs-G.m.b.H. · 1982
- Correction of phase and amplitude imbalance of I/Q modulator17US 6,798,844 B2Nokia Networks Oy · 2004
- Mobile wireless communications device with separate In-phase (I) and Quadrature (Q) phase power amplification and power amplifier pre-distortion and IQ balance compensation13US 8,223,885 B2Research In Motion Limited · 2012
- Unbalanced quadrature waveform12US 6,385,233 B1TRW Inc. · 2002
- Systems and methods for digital correction in low intermediate frequency (IF) receivers9US 10,862,728 B1NXP USA, Inc. · 2020