JP2009538025A5 - - Google Patents

Download PDF

Info

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
Application number
JP2009510609A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009538025A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/IB2007/051894 external-priority patent/WO2007135639A1/en
Publication of JP2009538025A publication Critical patent/JP2009538025A/ja
Publication of JP2009538025A5 publication Critical patent/JP2009538025A5/ja
Pending legal-status Critical Current

Links

JP2009510609A 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 Pending JP2009538025A (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JP2009538025A5 (enExample)
US9479218B2 (en) Methods for LTE cell search with large frequency offset
US9584347B2 (en) Methods and systems for rapid detection of digital radio signals
US7729414B2 (en) Guard interval analysis method and apparatus
JP5280438B2 (ja) 受信機のタイミングを送信機のタイミングに同期させる方法及び装置
US8553812B2 (en) Synchronization structure and method for a receiving apparatus of a communication system
JP5580405B2 (ja) Dvb−t/h通信の堅牢な検出
CN101378310A (zh) 检测基于频域特性的信号的方法及相关接收器
CN102422635B (zh) 存在频率偏移情况下dvb-t/h传输的鲁棒感测
US7414963B2 (en) Dynamic zero suffix addition
KR100809020B1 (ko) 이동 통신 시스템에서의 단말기의 초기 동기 획득 장치 및그 방법
US7616723B2 (en) Method for symbol timing synchronization and apparatus thereof
US20060120468A1 (en) Method and system for guard interval size detection
CN101667990B (zh) Ofdm频率偏移联合估计方法
KR100968127B1 (ko) 수신기의 cci/spur 잡음 제거 장치 및 방법
KR100675563B1 (ko) 수신 신호 정보 검출 장치 및 그 방법
US20060140110A1 (en) Method and system for joint mode and guard interval detection
KR101811954B1 (ko) Ofdm 기반의 시스템을 이용한 프레임 시작점 탐지 방법 및 그 장치
KR20050003663A (ko) Ofdm 수신기의 심벌 타이밍 복원장치 및 방법
TW200818798A (en) Method and related circuit of guard interval length detection for OFDM signals
EP2220835A2 (en) Detection method for signal frame configuration and signal frame header for broadcast signal
KR100822885B1 (ko) 직교 주파수 분할 다중화 시스템의 프레임 동기 설정 방법,이 방법을 이용한 프레임 동기 설정 유닛, 및 이를 구비한데이터 수신장치
JP2006203291A (ja) 受信装置
KR100464009B1 (ko) 오에프디엠 수신기의 심볼 시작점 검출 방법
JP5461889B2 (ja) Ofdm信号検出方法