H04L 1/0606
Space-frequency coding
Official title: {Space-frequency coding}
H04L1/0606 (Space-frequency coding) appears on 352 US grants and 375 published applications in this corpus.
Search patents in H04L- Granted patents
- 352
- Published applications
- 375
- Assignees
- 99
- Inventors
- 560
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 6 |
| 2005 | 1 | 9 |
| 2006 | 6 | 23 |
| 2007 | 2 | 21 |
| 2008 | 7 | 22 |
| 2009 | 20 | 26 |
| 2010 | 14 | 30 |
| 2011 | 31 | 39 |
| 2012 | 35 | 22 |
| 2013 | 40 | 16 |
| 2014 | 31 | 25 |
| 2015 | 27 | 21 |
| 2016 | 18 | 14 |
| 2017 | 21 | 21 |
| 2018 | 20 | 22 |
| 2019 | 18 | 15 |
| 2020 | 13 | 12 |
| 2021 | 12 | 10 |
| 2022 | 11 | 4 |
| 2023 | 8 | 3 |
| 2024 | 3 | 6 |
| 2025 | 3 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for transmitting control and training symbols in multi-user wireless communication system14 Apr 2026US 12,604,320 B2Electronics and Telecommunications Research Institute
- Detailed signaling designs for distributed-tone resource unit transmission24 Feb 2026US 12,562,839 B2MediaTek Singapore Pte. Ltd.
- Apparatus and method for diversity transmission in a wireless communications system3 Feb 2026US 12,542,593 B2Panasonic Intellectual Property Corporation of America
- Transmitting and receiving signals using multiple carriers from multiple antenna16 Sep 2025US 12,418,904 B2Telefonaktiebolaget LM Ericsson (publ)
- Physical broadcast channel design2 Sep 2025US 12,407,471 B2Apple Inc.
- Methods, procedures, and devices to improve beam resilience in multi-antenna systems with hybrid beamforming28 May 2026US 2026/0149488 A1InterDigital Patent Holdings, Inc.
- Signal transmission method and apparatus23 Oct 2025US 2025/0330361 A1Huawei Technologies Co., Ltd.
- Uplink transmit precoding matrix under mixed feedback conditions: closed loop28 Aug 2025US 2025/0274943 A1Lenovo (United States) Inc.
- Transmitting and Receiving Signals Using Multiple Carriers From Multiple Antenna19 Sep 2024US 2024/0314757 A1Telefonaktiebolaget LM Ericsson (publ)
- Apparatus and method for diversity transmission in a wireless communications system1 Aug 2024US 2024/0259073 A1Panasonic Intellectual Property Corporation of America
Most cited
By later US patents
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter415US 6,351,499 B1Iospan Wireless, Inc. · 2002
- Spatio-temporal processing for interference handling318US 6,452,981 B1Cisco Systems, Inc. · 2002
- Transmitter diversity technique for wireless communications240US 6,185,258 B2AT&T Wireless Services, Inc. · 2001
- Methods of controlling communication parameters of wireless systems220US 6,298,092 B1Iospan Wireless, Inc. · 2001