WO2009038018A1 - 無線送信装置、無線通信システム及び無線送信方法 - Google Patents

無線送信装置、無線通信システム及び無線送信方法 Download PDF

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Publication number
WO2009038018A1
WO2009038018A1 PCT/JP2008/066460 JP2008066460W WO2009038018A1 WO 2009038018 A1 WO2009038018 A1 WO 2009038018A1 JP 2008066460 W JP2008066460 W JP 2008066460W WO 2009038018 A1 WO2009038018 A1 WO 2009038018A1
Authority
WO
WIPO (PCT)
Prior art keywords
radio
radio transmission
transmission device
communication system
reception
Prior art date
Application number
PCT/JP2008/066460
Other languages
English (en)
French (fr)
Inventor
Ryota Yamada
Takashi Yoshimoto
Toshizo Nogami
Kazuyuki Shimezawa
Original Assignee
Sharp Kabushiki Kaisha
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 Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to JP2009533121A priority Critical patent/JPWO2009038018A1/ja
Priority to US12/678,697 priority patent/US20100246553A1/en
Priority to KR1020107003666A priority patent/KR101109969B1/ko
Priority to CN200880103724A priority patent/CN101785226A/zh
Priority to EP08831681A priority patent/EP2192711A1/en
Publication of WO2009038018A1 publication Critical patent/WO2009038018A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71072—Successive interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

　無線受信装置と通信する無線送信装置であって、多重する複数のコードチャネルのうち少なくとも１つのコードチャネルの受信品質が他のコードチャネルの受信品質と異なるように設定する受信品質設定部と、前記受信品質設定部が受信品質を設定し複数のコードチャネルが多重された信号を前記無線受信装置に送信する送信部とを備える。
PCT/JP2008/066460 2007-09-21 2008-09-11 無線送信装置、無線通信システム及び無線送信方法 WO2009038018A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2009533121A JPWO2009038018A1 (ja) 2007-09-21 2008-09-11 無線送信装置、無線通信システム及び無線送信方法
US12/678,697 US20100246553A1 (en) 2007-09-21 2008-09-11 Wireless transmission device, wireless communication system and wireless transmission method
KR1020107003666A KR101109969B1 (ko) 2007-09-21 2008-09-11 무선 송신 장치, 무선 통신 시스템 및 무선 송신 방법
CN200880103724A CN101785226A (zh) 2007-09-21 2008-09-11 无线发送装置、无线通信系统以及无线发送方法
EP08831681A EP2192711A1 (en) 2007-09-21 2008-09-11 Radio transmission device, radio communication system and radio transmission method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-245651 2007-09-21
JP2007245651 2007-09-21

Publications (1)

Publication Number Publication Date
WO2009038018A1 true WO2009038018A1 (ja) 2009-03-26

Family

ID=40467835

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066460 WO2009038018A1 (ja) 2007-09-21 2008-09-11 無線送信装置、無線通信システム及び無線送信方法

Country Status (6)

Country Link
US (1) US20100246553A1 (ja)
EP (1) EP2192711A1 (ja)
JP (1) JPWO2009038018A1 (ja)
KR (1) KR101109969B1 (ja)
CN (1) CN101785226A (ja)
WO (1) WO2009038018A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088730A (zh) * 2009-12-03 2011-06-08 大唐移动通信设备有限公司 一种空分系统中的调制编码方式修正处理方法及基站
JP2013197775A (ja) * 2012-03-19 2013-09-30 Nec Corp 信号分離装置、信号分離方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003179573A (ja) * 2001-08-10 2003-06-27 Matsushita Electric Ind Co Ltd 送信装置、受信装置及び無線通信方法
WO2005078955A1 (ja) * 2004-02-13 2005-08-25 Nec Corporation 無線通信システム、受信装置及びそれらに用いる復調方法並びにそのプログラム
JP2006222872A (ja) * 2005-02-14 2006-08-24 Nippon Telegr & Teleph Corp <Ntt> 空間多重信号検出回路
JP2007245651A (ja) 2006-03-17 2007-09-27 Seiko Epson Corp インクジェットプリンタ、インクジェットプリンタの制御方法、プリンタシステム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US155433A (en) * 1874-09-29 Improvement in car-wheels
US174812A (en) * 1876-03-14 Improvement in refrigerator-cars
JP4182345B2 (ja) * 2003-06-26 2008-11-19 日本電気株式会社 干渉キャンセルユニット及びマルチユーザ干渉キャンセラ
CN1849763A (zh) * 2003-09-30 2006-10-18 松下电器产业株式会社 发送装置以及峰值抑制方法
KR100804651B1 (ko) * 2004-02-13 2008-02-20 포스데이타 주식회사 멀티 캐리어 통신 시스템에서의 적응적 전송 및 피드백방법 및 장치
KR100620914B1 (ko) * 2004-04-07 2006-09-13 삼성전자주식회사 광대역 무선통신시스템에서 에이엠씨 모드와 다이버시티 모드를 스위칭하기 위한 장치 및 방법
US8089911B2 (en) * 2004-05-01 2012-01-03 Neocific, Inc. Methods and apparatus for cellular broadcasting and communication system
WO2005122616A1 (ja) * 2004-06-10 2005-12-22 Matsushita Electric Industrial Co., Ltd. 通信端末装置、基地局装置及び無線通信システム
US7272190B2 (en) * 2004-07-07 2007-09-18 Motorola, Inc. Method and apparatus for determining channel quality and performing adaptive modulation/coding within a multicarrier communication system
WO2006011347A1 (ja) * 2004-07-30 2006-02-02 Matsushita Electric Industrial Co., Ltd. 無線送信装置および無線送信方法
KR20070083960A (ko) * 2004-11-05 2007-08-24 마츠시타 덴끼 산교 가부시키가이샤 무선 통신 방법, 무선 통신 시스템 및 무선 통신 장치
JPWO2006080180A1 (ja) * 2005-01-31 2008-06-19 シャープ株式会社 無線送信機および無線受信機
KR20060115293A (ko) * 2005-05-04 2006-11-08 삼성전자주식회사 Ｏｆｄｍａ 방식의 시스템에서 채널의 구성 및 운용 방법과송수신 장치 및 방법
WO2007034860A1 (ja) * 2005-09-22 2007-03-29 Sharp Kabushiki Kaisha 通信端末装置、通信制御装置、通信システムおよび通信方法
JP2007189360A (ja) * 2006-01-11 2007-07-26 Sharp Corp 通信制御装置、通信端末装置、及び、通信制御方法
TWI431990B (zh) * 2006-01-11 2014-03-21 Interdigital Tech Corp 以不等調變及編碼方法實施空時處理方法及裝置
WO2007141848A1 (ja) * 2006-06-07 2007-12-13 Fujitsu Limited 基地局及びパイロット系列への周波数割り当て方法
JP4637061B2 (ja) * 2006-06-28 2011-02-23 富士通株式会社 無線送信装置及びガードインターバル挿入方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003179573A (ja) * 2001-08-10 2003-06-27 Matsushita Electric Ind Co Ltd 送信装置、受信装置及び無線通信方法
WO2005078955A1 (ja) * 2004-02-13 2005-08-25 Nec Corporation 無線通信システム、受信装置及びそれらに用いる復調方法並びにそのプログラム
JP2006222872A (ja) * 2005-02-14 2006-08-24 Nippon Telegr & Teleph Corp <Ntt> 空間多重信号検出回路
JP2007245651A (ja) 2006-03-17 2007-09-27 Seiko Epson Corp インクジェットプリンタ、インクジェットプリンタの制御方法、プリンタシステム

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
AKITA; SUYAMA; FUKAWA; SUZUKI: "Technology Report RCS 2002-35", April 2002, THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, article "INTERFERENCE CANCELLER IN DOWNLINK USING TRANSMISSION POWER CONTROL OF MC-CDMA"
ISHIHARA; TAKEDA; ADACHI: "Technology Report RCS 2004-316", January 2005, THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, article "DS-CDMA FREQUENCY AREA MAI CANCELLER"
MAEDA; ARATA; ABETA; SAWAHASHI: "Technology Report RCS2002-61", May 2002, THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, article "VSF-OFCDM USING 2-DIMENTIONAL SPREADING AND CHARACTERISTICS THEREOF"

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088730A (zh) * 2009-12-03 2011-06-08 大唐移动通信设备有限公司 一种空分系统中的调制编码方式修正处理方法及基站
CN102088730B (zh) * 2009-12-03 2014-11-19 电信科学技术研究院 一种空分系统中的调制编码方式修正处理方法及基站
JP2013197775A (ja) * 2012-03-19 2013-09-30 Nec Corp 信号分離装置、信号分離方法

Also Published As

Publication number Publication date
EP2192711A1 (en) 2010-06-02
JPWO2009038018A1 (ja) 2011-01-06
KR20100042650A (ko) 2010-04-26
US20100246553A1 (en) 2010-09-30
KR101109969B1 (ko) 2012-02-16
CN101785226A (zh) 2010-07-21

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