JP2009538025A5 - - Google Patents
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- Publication number
- JP2009538025A5 JP2009538025A5 JP2009510609A JP2009510609A JP2009538025A5 JP 2009538025 A5 JP2009538025 A5 JP 2009538025A5 JP 2009510609 A JP2009510609 A JP 2009510609A JP 2009510609 A JP2009510609 A JP 2009510609A JP 2009538025 A5 JP2009538025 A5 JP 2009538025A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- channel
- transmission format
- received
- spectral portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims 19
- 238000000034 method Methods 0.000 claims 17
- 230000003595 spectral effect Effects 0.000 claims 17
- 238000001228 spectrum Methods 0.000 claims 7
- 125000004122 cyclic group Chemical group 0.000 claims 3
- 238000012935 Averaging Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80144806P | 2006-05-18 | 2006-05-18 | |
| PCT/IB2007/051894 WO2007135639A1 (en) | 2006-05-18 | 2007-05-17 | System and method for detecting temporarily unused bandwidth in the rf spectrum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009538025A JP2009538025A (ja) | 2009-10-29 |
| JP2009538025A5 true JP2009538025A5 (enExample) | 2010-07-08 |
Family
ID=38577652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009510609A Pending JP2009538025A (ja) | 2006-05-18 | 2007-05-17 | Rfスペクトルにおける一時的に未使用の帯域幅を検出するシステム及び方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8588339B2 (enExample) |
| EP (1) | EP2025184A1 (enExample) |
| JP (1) | JP2009538025A (enExample) |
| KR (1) | KR20090013193A (enExample) |
| CN (1) | CN101449602A (enExample) |
| WO (1) | WO2007135639A1 (enExample) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8553808B2 (en) * | 2006-12-13 | 2013-10-08 | Motorola Mobility Llc | Method and apparatus for detecting the presence of a signal in a frequency band using non-uniform sampling |
| JP4435216B2 (ja) * | 2007-07-19 | 2010-03-17 | 株式会社東芝 | 無線通信端末 |
| TWI474690B (zh) * | 2008-02-15 | 2015-02-21 | Koninkl Philips Electronics Nv | 偵測無線麥克風訊號的無線電感測器及其方法 |
| US8804860B2 (en) * | 2008-05-27 | 2014-08-12 | Nec Corporation | Cognitive radio system, cognitive radio apparatus, and radio signal detection method |
| US8964692B2 (en) | 2008-11-10 | 2015-02-24 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
| EP2384044B1 (en) * | 2009-01-26 | 2017-08-02 | Sony Corporation | Communication control method, communication apparatus, and program |
| US8467404B2 (en) * | 2009-03-31 | 2013-06-18 | Qualcomm Incorporated | Enhanced channel detection |
| US8373759B2 (en) * | 2009-08-18 | 2013-02-12 | Wi-Lan, Inc. | White space spectrum sensor for television band devices |
| US8350970B2 (en) * | 2009-09-30 | 2013-01-08 | Wi-Lan, Inc. | Radio frequency front end for television band receiver and spectrum sensor |
| US8976302B2 (en) | 2009-09-30 | 2015-03-10 | Wi-Lan, Inc. | Radio frequency front end for television band receiver and spectrum sensor |
| US20110105036A1 (en) * | 2009-11-04 | 2011-05-05 | Motorola, Inc. | Method and apparatus for sensing presence of an incumbent signal on a secondary radio channel |
| US8792589B2 (en) * | 2010-05-13 | 2014-07-29 | Wi-Lan Inc. | System and method for protecting transmissions of wireless microphones operating in television band white space |
| US8792008B2 (en) | 2011-09-08 | 2014-07-29 | Maxlinear, Inc. | Method and apparatus for spectrum monitoring |
| WO2013040744A1 (en) * | 2011-09-19 | 2013-03-28 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for transmitting and receiving data in orthogonal frequency division multiplexing system |
| RU2473169C1 (ru) * | 2011-11-18 | 2013-01-20 | Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "ВОЕННАЯ АКАДЕМИЯ СВЯЗИ имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации | Способ автоматического обнаружения сигналов |
| US8837559B2 (en) | 2012-08-16 | 2014-09-16 | Andrew Wireless Systems Gmbh | Reducing distortion in repeaters for OFDM signals |
| GB201308591D0 (en) * | 2013-05-14 | 2013-06-19 | Secr Defence | Detection of Electrical Device by Unintentionally Radiated RF Signal |
| US10735402B1 (en) | 2014-10-30 | 2020-08-04 | Pearson Education, Inc. | Systems and method for automated data packet selection and delivery |
| US10218630B2 (en) | 2014-10-30 | 2019-02-26 | Pearson Education, Inc. | System and method for increasing data transmission rates through a content distribution network |
| US10116563B1 (en) | 2014-10-30 | 2018-10-30 | Pearson Education, Inc. | System and method for automatically updating data packet metadata |
| US9667321B2 (en) | 2014-10-31 | 2017-05-30 | Pearson Education, Inc. | Predictive recommendation engine |
| US10318499B2 (en) | 2014-10-30 | 2019-06-11 | Pearson Education, Inc. | Content database generation |
| US10333857B1 (en) | 2014-10-30 | 2019-06-25 | Pearson Education, Inc. | Systems and methods for data packet metadata stabilization |
| US10110486B1 (en) | 2014-10-30 | 2018-10-23 | Pearson Education, Inc. | Automatic determination of initial content difficulty |
| EP3213232A1 (en) | 2014-10-30 | 2017-09-06 | Pearson Education, Inc. | Content database generation |
| CN105634847B (zh) * | 2014-11-04 | 2019-05-24 | 中国移动通信集团公司 | 一种空闲载波检测方法及装置 |
| US9860805B2 (en) * | 2014-12-04 | 2018-01-02 | Htc Corporation | Device of handling energy detection in unlicensed band |
| JP6753394B2 (ja) * | 2015-05-14 | 2020-09-09 | ソニー株式会社 | 送信装置および方法、並びにプログラム |
| US10614368B2 (en) | 2015-08-28 | 2020-04-07 | Pearson Education, Inc. | System and method for content provisioning with dual recommendation engines |
| US10642848B2 (en) | 2016-04-08 | 2020-05-05 | Pearson Education, Inc. | Personalized automatic content aggregation generation |
| US11188841B2 (en) | 2016-04-08 | 2021-11-30 | Pearson Education, Inc. | Personalized content distribution |
| US10043133B2 (en) | 2016-04-08 | 2018-08-07 | Pearson Education, Inc. | Systems and methods of event-based content provisioning |
| US10789316B2 (en) | 2016-04-08 | 2020-09-29 | Pearson Education, Inc. | Personalized automatic content aggregation generation |
| JP6736403B2 (ja) * | 2016-07-25 | 2020-08-05 | 株式会社東芝 | 分散アンテナシステム、子局装置、ハブ局装置及び方法 |
| CN114467285B (zh) | 2019-10-01 | 2023-11-28 | 昕诺飞控股有限公司 | 用于控制智能家庭设备的控制模块 |
| CN111323682A (zh) * | 2020-03-18 | 2020-06-23 | 四川大学 | 基于特高频的新能源汽车变频电机故障放电实时探测系统 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0165507B1 (ko) * | 1996-01-09 | 1999-03-20 | 김광호 | 기준신호를 이용한 등화방법과 등화기 |
| US6385434B1 (en) | 1998-09-16 | 2002-05-07 | Motorola, Inc. | Wireless access unit utilizing adaptive spectrum exploitation |
| US6374102B1 (en) | 1998-12-31 | 2002-04-16 | At+T Corp. | User proactive call handling |
| JP2001069037A (ja) * | 1999-08-31 | 2001-03-16 | Matsushita Electric Ind Co Ltd | スペクトラム拡散通信装置 |
| JP4193417B2 (ja) * | 2002-05-29 | 2008-12-10 | 日本電気株式会社 | 携帯電話装置及びそれに用いる高速バンドセルサーチ方法並びにそのプログラム |
| US7280623B2 (en) * | 2002-08-02 | 2007-10-09 | Hypres, Inc. | Digital RF correlator for multipurpose digital signal processing |
| USD474047S1 (en) | 2002-09-27 | 2003-05-06 | Becker Designed, Inc. | Plasma television stand |
| US8078100B2 (en) * | 2002-10-15 | 2011-12-13 | Qualcomm Incorporated | Physical layer repeater with discrete time filter for all-digital detection and delay generation |
| US6894635B2 (en) | 2002-11-18 | 2005-05-17 | Lockheed Martin Corporation | System and method for correction of discontinuities in an antenna model |
| US20050058153A1 (en) | 2003-09-15 | 2005-03-17 | John Santhoff | Common signaling method |
| GB2411793A (en) | 2004-03-02 | 2005-09-07 | Agilent Technologies Inc | Disseminating control information to a wireless communications device |
| US7853978B2 (en) * | 2004-04-16 | 2010-12-14 | Endres Thomas J | Remote antenna and local receiver subsystems for receiving data signals carried over analog television |
| JP4501602B2 (ja) * | 2004-09-08 | 2010-07-14 | 日本電気株式会社 | 通信端末装置、セルサーチ方法及びプログラム |
| WO2006043312A1 (ja) * | 2004-10-19 | 2006-04-27 | Matsushita Electric Industrial Co., Ltd. | 受信機及び衝突検知方法 |
| US8045655B2 (en) * | 2005-11-03 | 2011-10-25 | Samsung Electronics Co., Ltd. | Apparatus and method for signal detection in a cognitive radio-based wireless communication system |
| US20070202867A1 (en) * | 2006-02-24 | 2007-08-30 | Waltho Alan E | Facilitating reuse of frequencies by unlicensed cognitive devices |
| US7528751B2 (en) * | 2006-07-28 | 2009-05-05 | Samsung Electro-Mechanics | Systems, methods, and apparatuses for a long delay generation technique for spectrum-sensing of cognitive radios |
-
2007
- 2007-05-17 WO PCT/IB2007/051894 patent/WO2007135639A1/en not_active Ceased
- 2007-05-17 EP EP07735958A patent/EP2025184A1/en not_active Withdrawn
- 2007-05-17 JP JP2009510609A patent/JP2009538025A/ja active Pending
- 2007-05-17 CN CNA2007800180500A patent/CN101449602A/zh active Pending
- 2007-05-17 KR KR1020087027822A patent/KR20090013193A/ko not_active Withdrawn
- 2007-05-17 US US12/301,315 patent/US8588339B2/en active Active
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