H04L 2027/0089
In-band signals
Official title: {In-band signals}
H04L2027/0089 (In-band signals) appears on 410 US grants and 338 published applications in this corpus.
Search patents in H04L- Granted patents
- 410
- Published applications
- 338
- Assignees
- 205
- Inventors
- 845
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 3 |
| 2002 | 6 | 17 |
| 2003 | 19 | 26 |
| 2004 | 14 | 24 |
| 2005 | 12 | 23 |
| 2006 | 17 | 17 |
| 2007 | 30 | 16 |
| 2008 | 20 | 19 |
| 2009 | 15 | 22 |
| 2010 | 18 | 22 |
| 2011 | 16 | 12 |
| 2012 | 28 | 16 |
| 2013 | 21 | 13 |
| 2014 | 24 | 14 |
| 2015 | 17 | 9 |
| 2016 | 7 | 10 |
| 2017 | 8 | 8 |
| 2018 | 7 | 12 |
| 2019 | 10 | 18 |
| 2020 | 17 | 4 |
| 2021 | 8 | 12 |
| 2022 | 12 | 12 |
| 2023 | 10 | 6 |
| 2024 | 3 | 2 |
| 2025 | 9 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Carrier frequency tracking method, signal transmission method, and related apparatus30 Dec 2025US 12,513,029 B2Huawei Technologies Co., Ltd.
- Transmitting data or determining a frequency and timing estimate of a received signal25 Nov 2025US 12,483,455 B2Telefonaktiebolaget LM Ericsson (publ)
- Avoiding contention between synchronization packets and in-phase and quadrature (IQ) packets communicated over fronthaul of a radio access network2 Sep 2025US 12,408,129 B2Outdoor Wireless Networks LLC
- Converged radio unit configured for semantic-less retransmissions8 Jul 2025US 12,355,599 B2Rtx Bbn Technologies, Inc.
- Systems and methods for data frame and data symbol synchronization in a communication network17 Jun 2025US 12,335,362 B1Cable Television Laboratories, Inc.
- Estimating orthogonal frequency division multiplexing channels using frequency modulated continuous waveforms9 Apr 2026US 2026/0100864 A1QUALCOMM Incorporated
- Transmitting Data or Determining A Frequency and Timing Estimate of a Received Signal19 Sep 2024US 2024/0314011 A1Telefonaktiebolaget LM Ericsson (publ)
- Configuring tracking reference signal resources25 Apr 2024US 2024/0137175 A1Lenovo (Singapore) Pte. Ltd.
- Infrastructure equipment, communications devices and methods for compensating for frequency drift of an oscillator of a communications device2 Nov 2023US 2023/0353328 A1Sony Group Corporation
- Preamble group selection in random access of wireless networks2 Nov 2023US 2023/0354413 A1Texas Instruments Incorporated
Most cited
By later US patents
- Pilots for MIMO communication system183US 7,986,742 B2QUALCOMM Incorporated · 2011
- System for remote data collection172US 6,163,276 ACellNet Data Systems, Inc. · 2000
- Signal processor with improved efficiency106US 5,729,577 AMotorola, Inc. · 1998
- Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing100US 6,275,543 B1ArrayComm, Inc. · 2001
- MSK digital demodulator for burst communications86US 4,583,048 ARCA Corporation · 1986