H04B 10/07953
Monitoring or measuring osnr, ber or q
Official title: {Monitoring or measuring OSNR, BER or Q}
H04B10/07953 (Monitoring or measuring osnr, ber or q) appears on 660 US grants and 690 published applications in this corpus.
Search patents in H04B- Granted patents
- 660
- Published applications
- 690
- Assignees
- 256
- Inventors
- 1,408
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 9 | 12 |
| 2003 | 6 | 18 |
| 2004 | 5 | 24 |
| 2005 | 9 | 10 |
| 2006 | 20 | 9 |
| 2007 | 13 | 16 |
| 2008 | 14 | 11 |
| 2009 | 12 | 15 |
| 2010 | 7 | 13 |
| 2011 | 13 | 10 |
| 2012 | 12 | 18 |
| 2013 | 13 | 17 |
| 2014 | 21 | 19 |
| 2015 | 26 | 32 |
| 2016 | 23 | 43 |
| 2017 | 56 | 57 |
| 2018 | 48 | 55 |
| 2019 | 69 | 47 |
| 2020 | 63 | 50 |
| 2021 | 42 | 41 |
| 2022 | 39 | 34 |
| 2023 | 35 | 36 |
| 2024 | 32 | 45 |
| 2025 | 34 | 39 |
| 2026 | 22 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Link monitoring and indication of potential link failure18 Aug 2026US 12,712,646 B2Altera Corporation
- Signal-to-noise ratio-based bit error ratio calculation for reporting beyond a forward error correction threshold8 Oct 2026US 2026/0312681 A1Ciena Corporation
- Wireless communication system, control apparatus, and controlmethod1 Oct 2026US 2026/0303211 A1NTT, Inc.
- Measurement method, determination method, and measurement system27 Aug 2026US 2026/0254531 A1Anritsu Corporation
- Method, apparatus, and system for determining performance of coherent transmitter, device, and medium13 Aug 2026US 2026/0238341 A1Huawei Technologies Co., Ltd.
- Calculation device, calculation method and program13 Aug 2026US 2026/0238345 A1NTT, Inc.
Most cited
By later US patents
- Intelligent fiberoptic transmitters and methods of operating and manufacturing the same253US 5,812,572 APacific Fiberoptics, Inc. · 1998
- Optical communication system which determines the spectrum of a wavelength division multiplexed signal and performs various processes in accordance with the determined spectrum109US 5,894,362 AFujitsu Limited · 1999
- Method and monitoring device for monitoring the quality of data transmission over analog lines103US 6,748,342 B1Nokia Corporation · 2004
- Signal transmission system and method for supervising the same96US 6,229,631 B1Oki Electric Industry Co., Ltd. · 2001
- Method and apparatus for improving transmission performance over wavelength division multiplexed optical communication links using forward error correction coding94US 6,433,904 B1Sycamore Networks, Inc. · 2002