H04L 27/2686
Range of frequencies or delays tested
Official title: {Range of frequencies or delays tested}
H04L27/2686 (Range of frequencies or delays tested) appears on 50 US grants and 55 published applications in this corpus.
Search patents in H04L- Granted patents
- 50
- Published applications
- 55
- Assignees
- 35
- Inventors
- 130
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 5 |
| 2012 | 2 | 1 |
| 2013 | 4 | 8 |
| 2014 | 3 | 1 |
| 2015 | 5 | 2 |
| 2016 | 3 | 3 |
| 2017 | 3 | 2 |
| 2018 | 4 | 3 |
| 2019 | 4 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 4 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 4 | 2 |
| 2025 | 1 | 4 |
| 2026 | 4 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for detecting preamble signal of random access channel in base station of wireless communication system12 May 2026US 12,627,547 B2Samsung Electronics Co., Ltd.
- Techniques for tone reservation in orthogonal time-frequency space waveform communications3 Mar 2026US 12,568,012 B2QUALCOMM Incorporated
- Transmitter and receiver for, and method of, transmitting and receiving symbols over time varying channels with doppler spread24 Feb 2026US 12,562,949 B2Continental Automotive Technologies GmbH
- Transmitter and receiver for, and method of, transmitting and receiving symbols over time varying channels with Doppler spread20 Jan 2026US 12,531,771 B2Continental Automotive Technologies GmbH
- Data transmission processing method and apparatus, communication device, and storage medium23 Sep 2025US 12,425,144 B2Vivo Mobile Communication Co., Ltd.
- Cyclic Shift Method for Root Sequence and Apparatus6 Aug 2026US 2026/0230358 A1Huawei Technologies Co., Ltd.
- Electronic device and method for receiving signals in wireless communication system30 Oct 2025US 2025/0337629 A1Samsung Electronics Co., Ltd.
- Techniques for Estimation and Compensation of Frequency Offset in OFDM-based Communication System28 Aug 2025US 2025/0274329 A1GCT Semiconductor, Inc.
- Transmitter and receiver for, and method of, transmitting and receiving symbols over time varying channels with doppler spread14 Aug 2025US 2025/0260610 A1Continental Automotive Technologies GmbH
- Transmitter and receiver for, and method of, transmitting and receiving symbols over time varying channels with doppler spread10 Jul 2025US 2025/0227015 A1Continental Automotive Technologies GmbH
Most cited
By later US patents
- Preambles in OFDMA system50US 7,961,696 B2Nortel Networks Limited · 2011
- Timing and frequency offset estimation scheme for OFDM systems by using an analytic tone25US 7,012,881 B2Samsung Electronic Co., Ltd. · 2006
- Preambles in OFDMA system25US 8,340,072 B2Apple Inc. · 2012
- Wide range frequency offset estimation in OFDM systems15US 6,862,297 B1Cisco Technology, Inc. · 2005
- System and method for estimation and correction of carrier frequency offset in MIMO-OFDM based wireless communications systems12US 8,520,778 B2Indian Institute of Technology · 2013