H04L 25/0218
With detection of nulls
Official title: {with detection of nulls}
H04L25/0218 (With detection of nulls) appears on 66 US grants and 78 published applications in this corpus.
Search patents in H04L- Granted patents
- 66
- Published applications
- 78
- Assignees
- 44
- Inventors
- 174
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 5 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 3 | 3 |
| 2008 | 3 | 6 |
| 2009 | 3 | 1 |
| 2010 | 4 | 4 |
| 2011 | 2 | 10 |
| 2012 | 2 | 2 |
| 2013 | 7 | 2 |
| 2014 | 6 | 5 |
| 2015 | 4 | 5 |
| 2016 | 7 | 6 |
| 2017 | 3 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 4 |
| 2020 | 1 | 1 |
| 2021 | 3 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Infrastructure equipment, communications devices and methods1 Sep 2026US 12,726,299 B2Sony Group Corporation
- Beam selection using oversampled beamforming codebooks and channel estimates24 Feb 2026US 12,562,939 B2QUALCOMM Incorporated
- OFDM modulator for block-filtered OFDM transmitter, related block-filtered OFDM transmitter and transceiver system18 Jun 2024US 12,015,513 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Method for uplink multiuser data transmission and system for uplink multiuser multiple input multiple output23 Apr 2024US 11,968,066 B2Huawei Technologies Co., Ltd.
- Transmission apparatus, transmission time fluctuation compensation method, and non-transitory computer readable medium storing transmission time fluctuation compensation program17 Jan 2023US 11,558,085 B2NEC Corporation
- Beam selection using oversampled beamforming codebooks and channel estimates9 Jul 2026US 2026/0197206 A1
- Determining and reporting of sparsity information for a downlink reference signal12 Mar 2026US 2026/0075450 A1InterDigital Patent Holdings, Inc.
- Beam selection using oversampled beamforming codebooks and channel estimates5 Oct 2023US 2023/0318881 A1QUALCOMM Incorporated
- Infrastructure equipment, communications devices and methods13 Jul 2023US 2023/0224103 A1Sony Group Corporation
- Method for uplink multiuser data transmission and system for uplink multiuser multiple input multiple output6 Apr 2023US 2023/0108897 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Channel estimation technique53US 9,042,468 B2Intel Mobile Communications GmbH · 2015
- Apparatus and method for equalizing a corrupted signal in a receiver49US 5,251,233 AMotorola, Inc. · 1993
- Channel estimation for an OFDM communication system with inactive subbands40US 8,391,413 B2QUALCOMM Incorporated · 2013
- Maximum-likelihood sequence estimator with variable number of states37US 5,644,603 ANEC Corporation · 1997
- Channel estimation for an OFDM communicaiton system with inactive subbands37US 8,903,021 B2QUALCOMM Incorporated · 2014