H04B 2201/70727
Using fast fourier transform
Official title: using fast Fourier transform
H04B2201/70727 (Using fast fourier transform) appears on 14 US grants and 14 published applications in this corpus.
Search patents in H04B- Granted patents
- 14
- Published applications
- 14
- Assignees
- 10
- Inventors
- 23
- Latest grant
- 23 Sep 2025
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| 2007 | 1 | 0 |
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| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
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Recent patents
- Data transmission processing method and apparatus, communication device, and storage medium23 Sep 2025US 12,425,144 B2Vivo Mobile Communication Co., Ltd.
- Wideband communication system and a method thereof25 Mar 2025US 12,261,638 B2Elbit Systems C4I and Cyber Ltd.
- Joint estimation of communication channel effects in communication receivers10 Nov 2020US 10,833,900 B2Lockheed Martin Corporation
- Interference suppressing OFDM system for wireless communications28 Nov 2017US 9,832,062 B2AT&T Intellectual Property II, L. P.
- Electromagnetic spectrum management system17 Oct 2017US 9,794,021 B2National Security Technologies, LLC
- Wideband communication system and a method thereof11 Jul 2024US 2024/0235604 A1Elbit Systems C4I and Cyber Ltd.
- Data transmission processing method and apparatus, communication device, and storage medium30 May 2024US 2024/0178951 A1Vivo Mobile Communication Co., Ltd.
- Joint estimation of communication channel effects in communication receivers18 Jun 2020US 2020/0195476 A1Lockheed Martin Corporation
- Electromagnetic Spectrum Management System11 May 2017US 2017/0134116 A1National Security Technologies, LLC
- Electromagnetic Spectrum Management System6 Oct 2016US 2016/0294503 A1National Security Technologies, LLC
Most cited
By later US patents
- Interference suppressing OFDM system for wireless communications57US 7,158,474 B1AT&T Corp. · 2007
- Interference suppressing OFDM system for wireless communications20US 8,358,574 B2AT&T Intellectual Property II, L. P. · 2013
- Interference suppression in a spread spectrum communications system using non-linear frequency domain excision13US 6,868,114 B2The Titan Corporation · 2005
- Interference suppressing OFDM system for wireless communications10US 7,630,290 B1AT&T Corp. · 2009
- Interference suppressing OFDM system for wireless communications8US 7,940,639 B2AT&T Intellectual Property II, L. P. · 2011