H04L 27/26134
Pilot insertion in the transmitter chain
Official title: {Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain}
H04L27/26134 (Pilot insertion in the transmitter chain) appears on 574 US grants and 696 published applications in this corpus.
Search patents in H04L- Granted patents
- 574
- Published applications
- 696
- Assignees
- 157
- Inventors
- 950
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 8 |
| 2004 | 0 | 3 |
| 2005 | 2 | 11 |
| 2006 | 8 | 14 |
| 2007 | 9 | 20 |
| 2008 | 4 | 19 |
| 2009 | 8 | 28 |
| 2010 | 20 | 31 |
| 2011 | 14 | 30 |
| 2012 | 25 | 18 |
| 2013 | 36 | 27 |
| 2014 | 33 | 34 |
| 2015 | 36 | 35 |
| 2016 | 31 | 31 |
| 2017 | 40 | 38 |
| 2018 | 27 | 32 |
| 2019 | 32 | 36 |
| 2020 | 50 | 50 |
| 2021 | 28 | 32 |
| 2022 | 38 | 49 |
| 2023 | 37 | 40 |
| 2024 | 38 | 40 |
| 2025 | 40 | 41 |
| 2026 | 14 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Signal processing method and apparatus16 Jun 2026US 12,659,194 B2Huawei Technologies Co., Ltd.
- Reference signals for phase jump boundaries16 Jun 2026US 12,659,210 B2QUALCOMM Incorporated
- Sounding reference signal (SRS) enhancement for multi-transmission and reception point (TRP) operation19 May 2026US 12,634,185 B2Apple Inc.
- Radio receiver12 May 2026US 12,627,536 B2Nokia Technologies Oy
- Techniques for generating waveforms for full duplex wireless communications5 May 2026US 12,621,199 B2QUALCOMM Incorporated
- Communication Method and Apparatus27 Aug 2026US 2026/0254687 A1Huawei Technologies Co., Ltd.
- Orthogonal time frequency based transmissions in next generation wireless systems20 Aug 2026US 2026/0246681 A1Wisig Networks Private Limited
- Transmitting data in head and/or tail of single carrier waveform symbol20 Aug 2026US 2026/0246683 A1Nokia Technologies Oy
- Signal processing apparatus20 Aug 2026US 2026/0246684 A1NEC Corporation
- Sensing reference signal switching across carrier components13 Aug 2026US 2026/0238405 A1QUALCOMM Incorporated
Most cited
By later US patents
- OFDM transmission/reception system and transmitting/receiving apparatus269US 5,694,389 AKabushiki Kaisha Toshiba · 1997
- Orthogonal frequency division multiplexing transmission system and transmitter and receiver therefor165US 5,771,224 AKabushiki Kaisha Toshiba · 1998
- Pilot transmission schemes for a multi-antenna system156US 7,145,940 B2QUALCOMM Incorporated · 2006
- Scattered pilot pattern and channel estimation method for MIMO-OFDM systems152US 7,248,559 B2Nortel Networks Limited · 2007
- Soft handoff for OFDM140US 7,042,858 B12006