JP2000201131A5 - - Google Patents

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Publication number
JP2000201131A5
JP2000201131A5 JP1999215459A JP21545999A JP2000201131A5 JP 2000201131 A5 JP2000201131 A5 JP 2000201131A5 JP 1999215459 A JP1999215459 A JP 1999215459A JP 21545999 A JP21545999 A JP 21545999A JP 2000201131 A5 JP2000201131 A5 JP 2000201131A5
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JP
Japan
Prior art keywords
signal
ofdm
synchronization acquisition
communication device
transmitting
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JP1999215459A
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English (en)
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JP2000201131A (ja
JP4272309B2 (ja
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Priority claimed from JP21545999A external-priority patent/JP4272309B2/ja
Priority to JP21545999A priority Critical patent/JP4272309B2/ja
Priority to US09/550,167 priority patent/US6944119B1/en
Priority to EP00108950A priority patent/EP1073241A3/en
Priority to KR10-2000-0022952A priority patent/KR100371725B1/ko
Priority to CN2005100825749A priority patent/CN1716935B/zh
Priority to CNB001070940A priority patent/CN1237747C/zh
Publication of JP2000201131A publication Critical patent/JP2000201131A/ja
Priority to US10/919,251 priority patent/US7058006B2/en
Publication of JP2000201131A5 publication Critical patent/JP2000201131A5/ja
Publication of JP4272309B2 publication Critical patent/JP4272309B2/ja
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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【特許請求の範囲】
【請求項１】 ユーザデータを送信する前に、同期獲得用信号を送信するＯＦＤＭ通信装置であって、
前記同期獲得用信号の直後にヌル信号を挿入してＯＦＤＭ信号を生成するＯＦＤＭ信号生成手段と、前記生成されたＯＦＤＭ信号を送信する送信手段と、を具備するＯＦＤＭ通信装置。
【請求項２】 前記ＯＦＤＭ信号生成手段は、前記同期獲得用信号の直後に挿入するヌル信号の長さを、前記同期獲得用信号の長さよりも短くする、請求項１に記載のＯＦＤＭ通信装置。
【請求項３】 請求項１又は請求項２に記載のＯＦＤＭ通信装置を具備する通信端末装置。
【請求項４】 請求項１又は請求項２に記載のＯＦＤＭ通信装置を具備する基地局装置。
【請求項５】 ユーザデータを送信する前に、同期獲得用信号を送信するＯＦＤＭ通信方法であって、
前記同期獲得用信号の直後にヌル信号を挿入してＯＦＤＭ信号を生成するＯＦＤＭ信号生成工程と、前記生成されたＯＦＤＭ信号を送信する送信工程と、を具備するＯＦＤＭ通信方法。
JP21545999A 1998-10-29 1999-07-29 Ｏｆｄｍ通信装置 Expired - Fee Related JP4272309B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP21545999A JP4272309B2 (ja) 1998-10-29 1999-07-29 Ｏｆｄｍ通信装置
US09/550,167 US6944119B1 (en) 1998-10-29 2000-04-14 OFDM receiving apparatus, OFDM transmission apparatus and OFDM communication method
EP00108950A EP1073241A3 (en) 1999-07-29 2000-04-27 Symbol synchronisation in multicarrier transmission
KR10-2000-0022952A KR100371725B1 (ko) 1999-07-29 2000-04-28 오 에프 디 엠 통신 장치
CN2005100825749A CN1716935B (zh) 1999-07-29 2000-04-29 正交频分复用通信装置
CNB001070940A CN1237747C (zh) 1999-07-29 2000-04-29 正交频分复用通信装置
US10/919,251 US7058006B2 (en) 1999-07-29 2004-08-17 OFDM communication apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP30891398 1998-10-29
JP10-308913 1998-10-29
JP21545999A JP4272309B2 (ja) 1998-10-29 1999-07-29 Ｏｆｄｍ通信装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2001076876A Division JP3581324B2 (ja) 1998-10-29 2001-03-16 Ｏｆｄｍ通信装置

Publications (3)

Publication Number Publication Date
JP2000201131A JP2000201131A (ja) 2000-07-18
JP2000201131A5 true JP2000201131A5 (ja) 2006-09-07
JP4272309B2 JP4272309B2 (ja) 2009-06-03

Family

ID=26520888

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21545999A Expired - Fee Related JP4272309B2 (ja) 1998-10-29 1999-07-29 Ｏｆｄｍ通信装置

Country Status (2)

Country Link
US (1) US6944119B1 (ja)
JP (1) JP4272309B2 (ja)

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
JP4272309B2 (ja) 1998-10-29 2009-06-03 パナソニック株式会社 Ｏｆｄｍ通信装置
EP1073241A3 (en) 1999-07-29 2006-05-03 Matsushita Electric Industrial Co., Ltd. Symbol synchronisation in multicarrier transmission
US20020048333A1 (en) * 2000-05-25 2002-04-25 Nadeem Ahmed Joint detection in OFDM systems
US7333422B2 (en) * 2003-09-12 2008-02-19 Zarbana Digital Fund Llc Optimized FFT/IFFT module
EP1435172A4 (en) * 2001-09-12 2009-11-11 Samsung Electronics Co Ltd METHOD AND DEVICE FOR TRANSFERRING CHANNEL INFORMATION IN THE OFDM COMMUNICATION
KR100842553B1 (ko) * 2002-01-17 2008-07-01 삼성전자주식회사 직교주파수분할 다중접속 무선통신 시스템에서 셀과 인접셀들 간에 다른 레인징 코드 세트 할당 방법
JP3986929B2 (ja) 2002-08-27 2007-10-03 富士通株式会社 電力線搬送通信における漏洩電磁界抑圧送信方法及び漏洩電磁界抑圧送信装置
KR100521133B1 (ko) * 2003-12-22 2005-10-12 삼성전자주식회사 직교주파수분할다중접속 시스템의 레인징 채널 처리 장치및 방법
JP4630370B2 (ja) * 2006-04-27 2011-02-09 三菱電機株式会社 プリアンブル構成方法
US8599884B2 (en) * 2007-03-15 2013-12-03 Nokia Corporation System and method for implementing optimized multiplexing and power saving in a broadcast network
GB0707334D0 (en) * 2007-04-17 2007-05-23 Kop Ltd Indicating and detecting the start of signal transmission employing frequency division multiplexing

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
JPH08265291A (ja) 1995-03-20 1996-10-11 Toshiba Corp Ｏｆｄｍ伝送方式とｏｆｄｍ送受信装置
JP3145003B2 (ja) * 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
JP3289610B2 (ja) * 1996-07-31 2002-06-10 日本ビクター株式会社 Ｏｆｄｍ復調装置及びその方法
US6175550B1 (en) * 1997-04-01 2001-01-16 Lucent Technologies, Inc. Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof
JP3563231B2 (ja) * 1997-04-04 2004-09-08 株式会社デノン 周波数制御装置および方法、受信装置、ならびに、通信装置
JP3797397B2 (ja) * 1997-05-02 2006-07-19 ソニー株式会社 受信装置および受信方法
JP3568180B2 (ja) * 1997-06-12 2004-09-22 株式会社日立国際電気 データ伝送装置
JPH1117643A (ja) * 1997-06-19 1999-01-22 Hitachi Denshi Ltd Ｏｆｄｍ変調器
EP0899923A1 (en) * 1997-08-29 1999-03-03 Sony International (Europe) GmbH Transmission of power control signals in a multicarrier modulation system
DE69737353T2 (de) 1997-11-05 2007-11-29 Sony Deutschland Gmbh Synchronisierung in digitalen Kommunikationssystemen
JP3568182B2 (ja) * 1997-12-03 2004-09-22 株式会社日立国際電気 データ伝送装置の同期検出方法及びその装置
EP0932284A3 (en) * 1998-01-27 2002-08-14 Hitachi Denshi Kabushiki Kaisha Multicarrier transmission system, with modifiable bandwidth
JP2000068972A (ja) 1998-08-17 2000-03-03 Nippon Telegr & Teleph Corp <Ntt> Ｏｆｄｍ変復調方法及びｏｆｄｍ変復調回路
JP4272309B2 (ja) 1998-10-29 2009-06-03 パナソニック株式会社 Ｏｆｄｍ通信装置
JP2000269919A (ja) * 1999-03-16 2000-09-29 Matsushita Electric Ind Co Ltd Ｏｆｄｍ通信装置
EP1073241A3 (en) 1999-07-29 2006-05-03 Matsushita Electric Industrial Co., Ltd. Symbol synchronisation in multicarrier transmission
US6771591B1 (en) * 2000-07-31 2004-08-03 Thomson Licensing S.A. Method and system for processing orthogonal frequency division multiplexed signals

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