JP2010533421A5 - - Google Patents

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Publication number
JP2010533421A5
JP2010533421A5 JP2010516015A JP2010516015A JP2010533421A5 JP 2010533421 A5 JP2010533421 A5 JP 2010533421A5 JP 2010516015 A JP2010516015 A JP 2010516015A JP 2010516015 A JP2010516015 A JP 2010516015A JP 2010533421 A5 JP2010533421 A5 JP 2010533421A5
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JP
Japan
Prior art keywords
signal
ofdm symbols
received
received ofdm
metric value
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JP2010516015A
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English (en)
Japanese (ja)
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JP2010533421A (ja
JP5477914B2 (ja
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Priority claimed from PCT/US2007/024987 external-priority patent/WO2009011688A1/en
Publication of JP2010533421A publication Critical patent/JP2010533421A/ja
Publication of JP2010533421A5 publication Critical patent/JP2010533421A5/ja
Application granted granted Critical
Publication of JP5477914B2 publication Critical patent/JP5477914B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2010516015A 2007-07-13 2007-12-06 パイロット・トーンを用いたｏｆｄｍ信号のスペクトル検出 Expired - Fee Related JP5477914B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US95937207P 2007-07-13 2007-07-13
US60/959,372 2007-07-13
PCT/US2007/024987 WO2009011688A1 (en) 2007-07-13 2007-12-06 Spectrum sensing for ofdm signals by utilizing pilot tones

Publications (3)

Publication Number Publication Date
JP2010533421A JP2010533421A (ja) 2010-10-21
JP2010533421A5 true JP2010533421A5 (enExample) 2011-01-13
JP5477914B2 JP5477914B2 (ja) 2014-04-23

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ID=39323869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010516015A Expired - Fee Related JP5477914B2 (ja) 2007-07-13 2007-12-06 パイロット・トーンを用いたｏｆｄｍ信号のスペクトル検出

Country Status (7)

Country Link
US (1) US8433006B2 (enExample)
EP (1) EP2171956B1 (enExample)
JP (1) JP5477914B2 (enExample)
KR (1) KR101444835B1 (enExample)
CN (1) CN101690061B (enExample)
BR (1) BRPI0721941A2 (enExample)
WO (1) WO2009011688A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010120340A1 (en) * 2009-04-01 2010-10-21 Thomson Licensing Method and apparatus for spectrum sensing of atsc and ntsc television signals
ES2458547T3 (es) * 2009-05-14 2014-05-06 Koninklijke Philips N.V. Detección robusta de transmisiones DVB-T/H en presencia de desplazamientos de frecuencia
EP2430809B1 (en) * 2009-05-14 2014-03-12 Koninklijke Philips N.V. Robust sensing of dvb-t/h transmissions
US8749714B2 (en) * 2010-01-05 2014-06-10 Qualcomm Incorporated Distinguishing and communicating between white space devices transmitting ATSC-compatible signals
EP2346224A1 (en) 2010-01-13 2011-07-20 Panasonic Corporation Pilot Patterns for OFDM Systems with Four Transmit Antennas
US8306550B2 (en) 2010-01-21 2012-11-06 Qualcomm Incorporated Automatic gain control in radio frequency receivers
KR101134399B1 (ko) * 2010-10-29 2012-04-09 동명대학교산학협력단 인지 라디오 환경에서 협력적 스펙트럼 감지 방법
JP5668003B2 (ja) 2012-03-09 2015-02-12 株式会社東芝 信号識別装置
US8976906B2 (en) 2012-03-29 2015-03-10 QRC, Inc. Method for spectrum sensing of multi-carrier signals with equidistant sub-carriers
US8982971B2 (en) 2012-03-29 2015-03-17 QRC, Inc. System for spectrum sensing of multi-carrier signals with equidistant sub-carriers
FR2989242A1 (fr) * 2012-04-10 2013-10-11 France Telecom Procede de traitement d'un signal multiporteuse recu, procede de reception d'un signal optique, programme d'ordinateur et dispositif de traitement correspondants.
US8908493B2 (en) * 2012-05-01 2014-12-09 Src, Inc. NC-OFDM for a cognitive radio
US9348608B2 (en) 2013-04-24 2016-05-24 QRC, Inc. System and method for registering application and application transforms on a radiofrequency digitization and collection device
KR102234792B1 (ko) * 2014-09-03 2021-04-01 삼성전자주식회사 디지털 텔레비전 및 그 제어 방법
CN106658697B (zh) * 2015-11-04 2020-11-17 中兴通讯股份有限公司 同步信号发送、检测方法、基站及终端
US10333693B2 (en) * 2016-12-09 2019-06-25 Micron Technology, Inc. Wireless devices and systems including examples of cross correlating wireless transmissions
US11605166B2 (en) 2019-10-16 2023-03-14 Parsons Corporation GPU accelerated image segmentation
WO2021150594A1 (en) 2020-01-20 2021-07-29 Parsons Corporation Narrowband iq extraction and storage
US11619700B2 (en) 2020-04-07 2023-04-04 Parsons Corporation Retrospective interferometry direction finding
US11569848B2 (en) 2020-04-17 2023-01-31 Parsons Corporation Software-defined radio linking systems
US11575407B2 (en) 2020-04-27 2023-02-07 Parsons Corporation Narrowband IQ signal obfuscation
US11849347B2 (en) 2021-01-05 2023-12-19 Parsons Corporation Time axis correlation of pulsed electromagnetic transmissions

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4312456A1 (de) * 1992-04-16 1993-10-21 Gold Star Co Fernsehgeisterbildlöschungsgerät
KR0165507B1 (ko) * 1996-01-09 1999-03-20 김광호 기준신호를 이용한 등화방법과 등화기
US6625200B1 (en) * 1999-01-25 2003-09-23 Ericsson Inc. Multi-stage CDMA synchronization with parallel execution
KR100355376B1 (ko) * 1999-12-15 2002-10-12 삼성전자 주식회사 비동기형 광대역 직접 시퀀스 코드분할다중접속수신신호에 대한 동기획득 장치
US7006557B2 (en) * 2002-01-31 2006-02-28 Qualcomm Incorporated Time tracking loop for diversity pilots
US6724834B2 (en) * 2002-02-22 2004-04-20 Albert L. Garrett Threshold detector for detecting synchronization signals at correlator output during packet acquisition
US7522669B2 (en) * 2003-02-21 2009-04-21 Atheros Communications, Inc. Method and apparatus for selective disregard of co-channel transmissions on a medium
KR100500661B1 (ko) * 2003-06-14 2005-07-12 한국전자통신연구원 디지털 ｔｖ 수신기의 최적 빔 선택 장치 및 그 방법
US8724447B2 (en) * 2004-01-28 2014-05-13 Qualcomm Incorporated Timing estimation in an OFDM receiver
JP4606062B2 (ja) * 2004-05-12 2011-01-05 富士通テン株式会社 デジタル放送受信機および放送受信方法
US20060084444A1 (en) 2004-10-20 2006-04-20 Nokia Corporation System and method utilizing a cognitive transceiver for ad hoc networking
JP2006135674A (ja) 2004-11-05 2006-05-25 Ntt Docomo Inc 移動通信用受信装置、移動通信用送信装置、移動通信用受信方法、および、移動通信用送信方法
US7710919B2 (en) * 2005-10-21 2010-05-04 Samsung Electro-Mechanics Systems, methods, and apparatuses for spectrum-sensing cognitive radios
JP2009515479A (ja) * 2005-11-07 2009-04-09 トムソン ライセンシング 無線ネットワーク内において動的な周波数選択をする装置および方法
US8045927B2 (en) * 2006-04-27 2011-10-25 Nokia Corporation Signal detection in multicarrier communication system
JP4949738B2 (ja) * 2006-05-29 2012-06-13 富士通セミコンダクター株式会社 デジタル放送受信機、移動端末およびチャネルサーチ方法
EP2127190B1 (en) * 2007-02-08 2017-08-23 Nokia Technologies Oy Robust synchronization for time division duplex signal
JP5478265B2 (ja) * 2007-03-06 2014-04-23 コーニンクレッカ フィリップス エヌ ヴェ 相関を使用して信号を検出するロバストなセンシング
US7688846B2 (en) * 2007-10-31 2010-03-30 Motorola, Inc. Cooperative CSMA mode identification in clustered networks

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