H04W 52/42
In systems with time, space, frequency or polarisation diversity
Official title: in systems with time, space, frequency or polarisation diversity
H04W52/42 (In systems with time, space, frequency or polarisation diversity) appears on 2,215 US grants and 2,653 published applications in this corpus.
Search patents in H04W- Granted patents
- 2,215
- Published applications
- 2,653
- Assignees
- 461
- Inventors
- 3,629
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 0 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 4 |
| 2002 | 19 | 23 |
| 2003 | 25 | 38 |
| 2004 | 25 | 79 |
| 2005 | 22 | 43 |
| 2006 | 42 | 76 |
| 2007 | 52 | 77 |
| 2008 | 50 | 63 |
| 2009 | 36 | 61 |
| 2010 | 68 | 75 |
| 2011 | 78 | 115 |
| 2012 | 98 | 93 |
| 2013 | 97 | 87 |
| 2014 | 104 | 79 |
| 2015 | 104 | 80 |
| 2016 | 97 | 77 |
| 2017 | 86 | 74 |
| 2018 | 67 | 106 |
| 2019 | 100 | 105 |
| 2020 | 121 | 191 |
| 2021 | 122 | 140 |
| 2022 | 168 | 217 |
| 2023 | 141 | 234 |
| 2024 | 156 | 232 |
| 2025 | 171 | 167 |
| 2026 | 110 | 117 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Downlink power control for wireless power transfer6 Oct 2026US 12,757,124 B2Nokia Technologies Oy
- Apparatus and system to reduce parasitic phenomena in wireless communication, and methof thereof6 Oct 2026US 12,757,131 B2NEC Corporation
- Method and apparatus for managing resource of cell-free massive multiple input multiple output network system, and storage medium storing instructions to perform method for managing resource of cell-free massive multiple input multiple output network system6 Oct 2026US 12,757,172 B2Korea Advanced Institute of Science and Technology
- Indication of reduced output power in beam report29 Sep 2026US 12,750,790 B2Telefonaktiebolaget LM Ericsson (publ)
- Method and device for power indication information transmission29 Sep 2026US 12,750,791 B2Telefonaktiebolaget LM Ericsson (publ)
- Methods and devices for facilitating configuration of uplink output power of wireless terminal1 Oct 2026US 2026/0304326 A1Sony Group Corporation
- Power headroom reporting method based on multi-panel transmission, and apparatus1 Oct 2026US 2026/0304329 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Power control method and apparatus and storage medium17 Sep 2026US 2026/0281921 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Method and apparatus for configuring uplink transmission based on multi panel simultaneous transmission in wireless communication systems10 Sep 2026US 2026/0269868 A1Samsung Electronics Co., Ltd.
- Wireless power control techniques10 Sep 2026US 2026/0270887 A1Zte Corporation
Most cited
By later US patents
- Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system793US 6,473,467 B1QUALCOMM Incorporated · 2002
- Method and apparatus for optimization of wireless multipoint electromagnetic communication networks446US 7,248,841 B22007
- Power control with signal quality estimation for smart antenna communication systems433US 6,463,295 B1ArrayComm, Inc. · 2002
- Mobile broadband wireless access point network with wireless backhaul362US 7,620,370 B2Designart Networks Ltd · 2009
- Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission267US 6,751,187 B2QUALCOMM Incorporated · 2004