WO2008108366A1 - 無線通信システム - Google Patents

無線通信システム Download PDF

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Publication number
WO2008108366A1
WO2008108366A1 PCT/JP2008/053853 JP2008053853W WO2008108366A1 WO 2008108366 A1 WO2008108366 A1 WO 2008108366A1 JP 2008053853 W JP2008053853 W JP 2008053853W WO 2008108366 A1 WO2008108366 A1 WO 2008108366A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
converter
frequency
demodulating
antenna
Prior art date
Application number
PCT/JP2008/053853
Other languages
English (en)
French (fr)
Inventor
Akinori Fujimura
Yasushi Sogabe
Fumio Ishizu
Tadashi Takagi
Hiroyuki Nakase
Kazuo Tsubouchi
Suguru Kameda
Shoichi Oshima
Original Assignee
Mitsubishi Electric Corporation
Tohoku University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corporation, Tohoku University filed Critical Mitsubishi Electric Corporation
Priority to EP08721273.4A priority Critical patent/EP2129069A4/en
Priority to JP2009502587A priority patent/JP4978942B2/ja
Priority to US12/529,346 priority patent/US8311146B2/en
Publication of WO2008108366A1 publication Critical patent/WO2008108366A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2637—Modulators with direct modulation of individual subcarriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/2653—Demodulators with direct demodulation of individual subcarriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation

Abstract

　送信装置１０は、直並列変換器１１と、チャネル毎の信号を変調するＭＳＫ変調器３１と、Ｄ／Ａ変換器１３と、異なるキャリア周波数に変換する周波数変換器１４ａと、同期回路３２と、増幅器１５と、増幅信号を合波する合波器１６と、アンテナ１９を設け、受信装置２０は、アンテナ２１と、分波器２２と、分波したチャネル毎の信号をベースバンド周波数に変換する周波数変換器２３と、該信号の高調波成分を除去するローパスフィルタ３３と、Ａ／Ｄ変換器２４と、ディジタル信号から主波成分を抽出するディジタルフィルタ３６と、主波成分からサンプリング点を検出するサンプリング点検出回路３５ａと、検出情報を元にシンボル点を補間処理で再生し復調するＭＳＫ復調器３４ａと、復調信号から元の信号を復元する並直列変換器２６を設けた。
PCT/JP2008/053853 2007-03-06 2008-03-04 無線通信システム WO2008108366A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08721273.4A EP2129069A4 (en) 2007-03-06 2008-03-04 RADIO COMMUNICATION SYSTEM
JP2009502587A JP4978942B2 (ja) 2007-03-06 2008-03-04 無線通信システム
US12/529,346 US8311146B2 (en) 2007-03-06 2008-03-04 Radio communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-055936 2007-03-06
JP2007055936 2007-03-06

Publications (1)

Publication Number Publication Date
WO2008108366A1 true WO2008108366A1 (ja) 2008-09-12

Family

ID=39738244

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053853 WO2008108366A1 (ja) 2007-03-06 2008-03-04 無線通信システム

Country Status (5)

Country Link
US (1) US8311146B2 (ja)
EP (1) EP2129069A4 (ja)
JP (1) JP4978942B2 (ja)
KR (1) KR20090113915A (ja)
WO (1) WO2008108366A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100232350A1 (en) * 2009-03-12 2010-09-16 Astrium Limited Interference removal
CN102035577A (zh) * 2009-09-29 2011-04-27 索尼公司 无线通信设备、无线传输系统和无线通信方法

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CN101573874B (zh) * 2006-12-05 2014-11-19 联邦科学技术研究组织 无线频域多通道通信
WO2009023302A2 (en) * 2007-08-14 2009-02-19 Rambus Inc. Communication using continuous-phase modulated signals
US8369433B2 (en) 2010-01-08 2013-02-05 Broadcom Corporation Digital up-converter and N-channel modulator with flexible association of QAM generation resources to narrowcast and broadcast frequencies
US8498542B2 (en) * 2010-01-21 2013-07-30 Ciena Corporation Multi-channel optical transceiver with offset quadrature amplitude modulation
CN104186018B (zh) 2012-01-11 2018-07-24 交互数字专利控股公司 自适应控制信道
CN103546408B (zh) * 2013-11-01 2017-01-11 四川九洲电器集团有限责任公司 调制信号源
CN113659734B (zh) * 2021-08-13 2023-07-21 福州大学 基于方波调制的分离信道式双向无线电能与信号同步传输系统

Citations (7)

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JPH08251117A (ja) * 1995-03-13 1996-09-27 Toshiba Corp マルチキャリア伝送システム及びマルチキャリア伝送方法
JPH11205260A (ja) * 1998-01-09 1999-07-30 Ntt Mobil Commun Network Inc 並列伝送方法
JP2002101062A (ja) * 2000-09-26 2002-04-05 Yrp Kokino Idotai Tsushin Kenkyusho:Kk マルチキャリア通信システム及び無線受信装置
JP3346945B2 (ja) 1995-05-18 2002-11-18 株式会社リコー 無線送信装置及び無線送受信装置
JP2004173020A (ja) * 2002-11-20 2004-06-17 Sanyo Electric Co Ltd 応答特性推定方法と装置およびそれを利用した受信方法と装置
WO2005025079A1 (ja) * 2003-09-03 2005-03-17 Hitachi Kokusai Electric Inc. マルチキャリア信号処理装置
JP2008017415A (ja) * 2006-07-10 2008-01-24 Mitsubishi Electric Corp 無線通信システム

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JPH11331125A (ja) * 1997-12-04 1999-11-30 Sanyo Electric Co Ltd 無線受信システム
US6470055B1 (en) * 1998-08-10 2002-10-22 Kamilo Feher Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
WO2002060146A1 (en) * 2001-01-26 2002-08-01 Nokia Corporation Method of implementing modulation and modulator
US7224742B2 (en) * 2001-12-14 2007-05-29 Samsung Electronics Co., Ltd. Apparatus and method for reducing the peak-to-average power ratio of OFDM/OFDMA signals
JP3872726B2 (ja) * 2002-06-12 2007-01-24 富士通株式会社 送信増幅器
US20040087294A1 (en) * 2002-11-04 2004-05-06 Tia Mobile, Inc. Phases array communication system utilizing variable frequency oscillator and delay line network for phase shift compensation
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Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
JPH08251117A (ja) * 1995-03-13 1996-09-27 Toshiba Corp マルチキャリア伝送システム及びマルチキャリア伝送方法
JP3346945B2 (ja) 1995-05-18 2002-11-18 株式会社リコー 無線送信装置及び無線送受信装置
JPH11205260A (ja) * 1998-01-09 1999-07-30 Ntt Mobil Commun Network Inc 並列伝送方法
JP2002101062A (ja) * 2000-09-26 2002-04-05 Yrp Kokino Idotai Tsushin Kenkyusho:Kk マルチキャリア通信システム及び無線受信装置
JP2004173020A (ja) * 2002-11-20 2004-06-17 Sanyo Electric Co Ltd 応答特性推定方法と装置およびそれを利用した受信方法と装置
WO2005025079A1 (ja) * 2003-09-03 2005-03-17 Hitachi Kokusai Electric Inc. マルチキャリア信号処理装置
JP2008017415A (ja) * 2006-07-10 2008-01-24 Mitsubishi Electric Corp 無線通信システム

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Title
See also references of EP2129069A4

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100232350A1 (en) * 2009-03-12 2010-09-16 Astrium Limited Interference removal
CN102349245A (zh) * 2009-03-12 2012-02-08 阿斯特里姆有限公司 干扰去除
CN102035577A (zh) * 2009-09-29 2011-04-27 索尼公司 无线通信设备、无线传输系统和无线通信方法
EP2302853A3 (en) * 2009-09-29 2016-07-06 Sony Corporation Wireless communication device, wireless transmission system and wireless transmission method
CN102035577B (zh) * 2009-09-29 2018-03-27 索尼公司 无线通信设备、无线传输系统和无线通信方法

Also Published As

Publication number Publication date
US20100054357A1 (en) 2010-03-04
JPWO2008108366A1 (ja) 2010-06-17
US8311146B2 (en) 2012-11-13
EP2129069A4 (en) 2013-10-16
JP4978942B2 (ja) 2012-07-18
KR20090113915A (ko) 2009-11-02
EP2129069A1 (en) 2009-12-02

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