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WO2005004367B1 - 通信装置および通信方法 - Google Patents

通信装置および通信方法

Info

Publication number
WO2005004367B1
WO2005004367B1 PCT/JP2004/009774 JP2004009774W WO2005004367B1 WO 2005004367 B1 WO2005004367 B1 WO 2005004367B1 JP 2004009774 W JP2004009774 W JP 2004009774W WO 2005004367 B1 WO2005004367 B1 WO 2005004367B1
Authority
WO
WIPO (PCT)
Prior art keywords
modulation
signal
transmission data
signal point
data
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.)
Ceased
Application number
PCT/JP2004/009774
Other languages
English (en)
French (fr)
Other versions
WO2005004367A3 (ja
WO2005004367A1 (ja
WO2005004367A2 (ja
Inventor
Yutaka Murakami
Kiyotaka Kobayashi
Masayuki Orihashi
Akihiko Matsuoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority to CN2004800250020A priority Critical patent/CN1846383B/zh
Priority to JP2005511425A priority patent/JP4445467B2/ja
Priority to US10/562,932 priority patent/US7773694B2/en
Priority to EP04747242.8A priority patent/EP1633067B1/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of WO2005004367A1 publication Critical patent/WO2005004367A1/ja
Publication of WO2005004367A2 publication Critical patent/WO2005004367A2/ja
Publication of WO2005004367A3 publication Critical patent/WO2005004367A3/ja
Publication of WO2005004367B1 publication Critical patent/WO2005004367B1/ja
Anticipated expiration legal-status Critical
Priority to US12/697,878 priority patent/US7848454B2/en
Priority to US12/824,047 priority patent/US7929635B2/en
Priority to US12/913,601 priority patent/US8259837B2/en
Priority to US13/586,442 priority patent/US8532219B2/en
Priority to US13/964,993 priority patent/US8767864B2/en
Priority to US14/278,979 priority patent/US9065499B2/en
Priority to US14/709,858 priority patent/US9584196B2/en
Priority to US15/404,910 priority patent/US9935799B2/en
Priority to US15/902,371 priority patent/US10277436B2/en
Priority to US16/296,568 priority patent/US10547479B2/en
Priority to US16/709,360 priority patent/US11050592B2/en
Priority to US17/324,795 priority patent/US11469929B2/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H04L5/0046—Determination of the number of bits transmitted on different sub-channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0669—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different channel coding between antennas
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Claims

111 補正書の請求の範囲 [2005年 2月 3日 （03.02.05) 国際事務局受理：出願当初の請求の範囲 1-2及び 6-8は補正された； 新しい請求の範囲 9-16が加えられた；他の請求の範囲は変更なし。 ] 請求の範囲
1 . (補正後） 第 1の送信データを変調して第 1の変調信号を得る 第 1の変調手段と、
第 2の送信データを変調して第 2の変調信号を得る第 2の変調手段と、 5 前記第 1及び第 2の変調信号を送信する複数のアンテナと
を有し、
前記第 1の変調手段は、 前記第 1の送信データを所定の変調方式の信号点 配置にマッビングする第 1のマッピング部と、 マッピングされた信号点の位 相を、 時間方向で又は周波数方向で変えることで信号点配置の仕方を変える
10 位相回転部とを具備し、
前記第 2の変調手段は、 前記第 2の送信データを所定の変調方式の信号点 位置にマッピングする第 2のマツピング部を具備する
通信装置。
2 . (補正後） O F D M— M I M O方式の通信を行う通信装置であ
15 つて、
第 1の送信データを変調して第 1の変調信号を得る第 1の変調手段と、 第 2の送信データを変調して第 2の変調信号を得る第 2の変調手段と、 前記第 1及び第 2の変調信号を送信する複数のアンテナと
を有し、
20 前記第 1の変調手段は、 前記第 1の送信データの同一データを信号点配置 の仕方を変えて複数回変調することにより、 同一データから互いに信号点配 置の異なる複数の前記第 1の変調信号を形成し、
前記第 2の変調手段は、 信号点配置の仕方を変えずに前記第 2の送信デー タを変調することにより前記第 2の変調信号を形成する
25 通信装置。
3 . 前記第 1の変調手段は、 同一データから、 同一の変調方式で かつ互いに位相差をもった変調信号を前記第 1の変調信号として形成する 捕正された用紙 （条約第 19条） 112
請求項 2に記載の通信装置。
4 . 前記第 1の変調手段は、 同一データから、 互いに 4 5 ° の位 相差をもつ Q P S K変調信号を前記第 1の変調信号として形成する
請求項 3に記載の通信装置。
5 . 前記第 1の変調手段は、 前記第 1の送信データを所定の変調 方式の信号点位置にマッビングするマッビング部と、 マツビングされた信号 点の位相を前記同一データの送信回数に応じた角度だけ回転させる位相回転 部とを具備する
請求項 3又は請求項 4に記載の通信装置。
6 . (補正後） 前記第 1及び又は前記第 2の送信データをインター リーブするインターリーバを、 さらに具備し
前記第 1の変調手段は、 インターリープ後のデータを信号点配置の仕方を 変えて変調する
請求項 1に記載の通信装置。
補正された用紙 （条約第 19条) 113
7 . (補正後） 通信相手から、 前記第 1及ぴ又は前記第 2の変調信 号の受信状態を示すフィードバック情報を受信する受信手段を、 さらに具備 し、
前記第 1の変調手段は、 前記フィ一ドバック情報に基づいて信号点配置の 仕方を変える
請求項 1に記載の通信装置。
8 . (補正後） 第 1の送信データを変調した第 1の変調信号を第 1 のアンテナから送信すると共に、 第 2の送信データを変調した第 2の変調信 号を第 2のアンテナから送信する M I M O方式の通信方法であって、 前記第 1の送信データを所定の変調方式の信号点位置にマッピングし、 マ ッビングした信号点の位相を、 時間方向で又は周波数方向で変えることで信 号点配置の仕方を変えて前記第 1の変調信号を形成するステップと、 前記第 2の送信データを所定の変調方式の信号点位置にマッビングするこ とにより前記第 2の変調信号を形成するステップと
を含む通信方法。
9 . (追加） 前記第 1及び第 2の変調手段から出力される信号を直 交周波数分割多重する直交周波数分割多重部を、 さらに具備する
請求項 1に記載の通信装置。
1 0 . (追加） 前記第 1及び又は前記第 2の送信データをインター リーブするインターリーバを、 さらに具備し、
前記第 1の変調手段は、 インターリーブ後のデータを信号点配置の仕方を 変えて変調する
請求項 9に記載の通信装置。
1 1 . (追加） 通信相手から、 前記第 1及ぴ又は前記第 2の変調信 号の受信状態を示すフィードバック情報を受信する受信手段を、 さらに具備 し、
前記第 1の変調手段は、 前記フィードバック情報に基づいて信号点配置の 正された用紙 （条約第 19条) 114
仕方を変える
請求項 9に記載の通信装置。
1 2. (追加） 前記第 1及び第 2の変調信号を直交周波数分割多重 するステップを、 さらに含む
請求項 8に記載の通信方法。
1 3. (追加） OFDM— M I MO方式の通信方法であって、 第 1の送信データの同一データを、 信号点配置の仕方を変えて複数回変調 することにより、 同一データから互いに信号点配置の異なる複数の変調信号 を形成する第 1の変調信号形成ステツプと、
信号点配置の仕方を変えずに第 2の送信データを変調する第 2の変調信号 形成ステップと
を含む通信方法。
1 4. (追加） 前記第 1の変調信号形成ステップでは、 同一データ から、 同一の変調方式でかつ互いに位相差をもった複数の変調信号を形成す る
請求項 1 3に記載の通信方法。
1 5. (追加） 前記第 1の変調信号形成ステップでは、 同一データ から、 互いに 45° の位相差をもつ Q P S K変調信号を形成する
請求項 14に記載の通信方法。
1 6. (追加） 前記第 1の変調信号形成ステップは、
前記第 1の送信データを所定の変調方式の信号点位置にマッビングするス テツプと、
マッピングされた信号点の位相を前記同一データの送信回数に応じた角度 だけ回転させるステップと
を含む請求項 1 3に記載の通信方法。
捕正された用紙 （条約第 19条)
PCT/JP2004/009774 2003-07-02 2004-07-02 通信装置および通信方法 Ceased WO2005004367A2 (ja)

Priority Applications (16)

Application Number Priority Date Filing Date Title
CN2004800250020A CN1846383B (zh) 2003-07-02 2004-07-02 通信装置及通信方法
JP2005511425A JP4445467B2 (ja) 2003-07-02 2004-07-02 通信装置および通信方法
US10/562,932 US7773694B2 (en) 2003-07-02 2004-07-02 Communication apparatus and communication method
EP04747242.8A EP1633067B1 (en) 2003-07-02 2004-07-02 Communication apparatus and communication method
US12/697,878 US7848454B2 (en) 2003-07-02 2010-02-01 Communication apparatus and communication method
US12/824,047 US7929635B2 (en) 2003-07-02 2010-06-25 Communication apparatus and communication method
US12/913,601 US8259837B2 (en) 2003-07-02 2010-10-27 Communication apparatus and communication method
US13/586,442 US8532219B2 (en) 2003-07-02 2012-08-15 Transmitting apparatus, transmitting method, receiving apparatus, and receiving method
US13/964,993 US8767864B2 (en) 2003-07-02 2013-08-12 Transmitting apparatus, transmitting method, receiving apparatus and receiving method
US14/278,979 US9065499B2 (en) 2003-07-02 2014-05-15 Transmission signal generator, transmission signal generating method, reception signal generator, and reception signal generating method
US14/709,858 US9584196B2 (en) 2003-07-02 2015-05-12 Transmission apparatus and method, and reception apparatus and method
US15/404,910 US9935799B2 (en) 2003-07-02 2017-01-12 Transmission apparatus and method, and reception apparatus and method
US15/902,371 US10277436B2 (en) 2003-07-02 2018-02-22 Transmission apparatus and method, and reception apparatus and method
US16/296,568 US10547479B2 (en) 2003-07-02 2019-03-08 Transmission apparatus and method, and reception apparatus and method
US16/709,360 US11050592B2 (en) 2003-07-02 2019-12-10 Communication apparatus and communication method
US17/324,795 US11469929B2 (en) 2003-07-02 2021-05-19 Communication apparatus and communication method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2003190683 2003-07-02
JP2003-190683 2003-07-02
JP2004173224 2004-05-14
JP2004-173224 2004-05-14

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US10/562,932 A-371-Of-International US7773694B2 (en) 2003-07-02 2004-07-02 Communication apparatus and communication method
US12/697,878 Continuation US7848454B2 (en) 2003-07-02 2010-02-01 Communication apparatus and communication method
US12/824,047 Continuation US7929635B2 (en) 2003-07-02 2010-06-25 Communication apparatus and communication method

Publications (4)

Publication Number Publication Date
WO2005004367A1 WO2005004367A1 (ja) 2005-01-13
WO2005004367A2 WO2005004367A2 (ja) 2005-01-13
WO2005004367A3 WO2005004367A3 (ja) 2005-03-03
WO2005004367B1 true WO2005004367B1 (ja) 2005-05-12

Family

ID=33566753

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/009774 Ceased WO2005004367A2 (ja) 2003-07-02 2004-07-02 通信装置および通信方法

Country Status (5)

Country Link
US (14) US7773694B2 (ja)
EP (1) EP1633067B1 (ja)
JP (2) JP4445467B2 (ja)
CN (1) CN1846383B (ja)
WO (1) WO2005004367A2 (ja)

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