H04W 56/009
Closed loop measurements
Official title: {Closed loop measurements}
H04W56/009 (Closed loop measurements) appears on 160 US grants and 201 published applications in this corpus.
Search patents in H04W- Granted patents
- 160
- Published applications
- 201
- Assignees
- 92
- Inventors
- 483
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 4 |
| 2003 | 1 | 2 |
| 2004 | 4 | 4 |
| 2005 | 1 | 3 |
| 2006 | 4 | 2 |
| 2007 | 4 | 9 |
| 2008 | 4 | 4 |
| 2009 | 3 | 6 |
| 2010 | 2 | 8 |
| 2011 | 4 | 3 |
| 2012 | 4 | 5 |
| 2013 | 4 | 1 |
| 2014 | 5 | 5 |
| 2015 | 4 | 2 |
| 2016 | 2 | 6 |
| 2017 | 3 | 3 |
| 2018 | 4 | 3 |
| 2019 | 4 | 9 |
| 2020 | 3 | 8 |
| 2021 | 10 | 24 |
| 2022 | 10 | 22 |
| 2023 | 21 | 21 |
| 2024 | 20 | 25 |
| 2025 | 14 | 14 |
| 2026 | 14 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gradual timing adjustment for wireless devices in a non-terrestrial network6 Oct 2026US 12,757,144 B2Apple Inc.
- Timing advance indication method, communication apparatus, and storage medium25 Aug 2026US 12,720,456 B2Huawei Technologies Co., Ltd.
- UE uplink timing for non-terrestrial networks28 Jul 2026US 12,696,225 B2Intel Corporation
- Method for reporting uplink timing advance, and apparatus therefor30 Jun 2026US 12,672,084 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Synchronization of uplink transmission from a user equipment (UE) in a non-terrestrial wireless network (NTN)23 Jun 2026US 12,665,661 B2Apple Inc.
- Switching Period with Timing Advance1 Oct 2026US 2026/0304336 A1Apple Inc.
- Systems and methods for improving round-trip time measurements in wireless communication networks16 Jul 2026US 2026/0206054 A1Avago Technologies International Sales Pte. Limited
- Over-provisioned cyclic shift configuration for prach restricted sets9 Jul 2026US 2026/0197214 A1QUALCOMM Incorporated
- Methods and devices to perform satellite communication18 Jun 2026US 2026/0173069 A1Intel Corporation
- Configuration and measurement enhancements for double-sided round trip time4 Jun 2026US 2026/0156611 A1QUALCOMM Incorporated
Most cited
By later US patents
- Timing adjustment control for efficient time division duplex, frequency division duplex or hybrid time division duplex/frequency division duplex communication201US 6,094,421 AOmnipoint Corporation · 2000
- Timing adjustment control for efficient time division duplex communication141US 6,388,997 B1Xircom Wireless, Inc. · 2002
- Mobile radio communication system capable of preventing interference between time slots when propagation delay exists113US 5,444,698 ANEC Corporation · 1995
- Timing adjustment control for efficient time division duplex communication79US 5,959,980 AOmnipoint Corporation · 1999
- Power saving protocol for TDMA multi-line wireless telephone handsets75US 6,788,924 B1Thomson Licensing · 2004