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WO2008078627A1 - Ofdm方式の通信システム、基地局、端末及び通信方法 - Google Patents

Ofdm方式の通信システム、基地局、端末及び通信方法 Download PDF

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Publication number
WO2008078627A1
WO2008078627A1 PCT/JP2007/074438 JP2007074438W WO2008078627A1 WO 2008078627 A1 WO2008078627 A1 WO 2008078627A1 JP 2007074438 W JP2007074438 W JP 2007074438W WO 2008078627 A1 WO2008078627 A1 WO 2008078627A1
Authority
WO
WIPO (PCT)
Prior art keywords
symbol
user allocation
data
allocation band
communication system
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/JP2007/074438
Other languages
English (en)
French (fr)
Inventor
Toru Sahara
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.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 Kyocera Corp filed Critical Kyocera Corp
Priority to US12/521,288 priority Critical patent/US20100027700A1/en
Publication of WO2008078627A1 publication Critical patent/WO2008078627A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/38TPC being performed in particular situations
    • H04W52/42TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • H04L27/2618Reduction thereof using auxiliary subcarriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

 瞬時的にピーク電力が上がる確率を減らして信号品質の劣化を緩和することができるアダプティブアレーを用いたOFDM通信方式の通信システム、基地局、端末及び通信方法を得る。  通信網側のデータとユーザ割り当て帯域を所定のフォーマットで取得し、前記データを符号化して前記ユーザ割り当て帯域に対してマッピングを行うデータ作成手段11と、前記ユーザ割り当て帯域に対してデータ数が少ない場合は、データの無い領域をヌルシンボルで埋めるヌルシンボル挿入手段12,28と、前記ユーザ割り当て帯域全体に対するシンボルインターリーブと前記ユーザ割り当て帯域の所定のシンボル位置に対する既知のシンボルの挿入とを行うシンボルインターリーブ手段13,29と、を備える。
PCT/JP2007/074438 2006-12-25 2007-12-19 Ofdm方式の通信システム、基地局、端末及び通信方法 Ceased WO2008078627A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/521,288 US20100027700A1 (en) 2006-12-25 2007-12-19 Communication System, Base Station, Terminal and Communication Method of OFDM System

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006348212A JP2008160569A (ja) 2006-12-25 2006-12-25 Ofdm方式の通信システム、基地局、端末及び通信方法
JP2006-348212 2006-12-25

Publications (1)

Publication Number Publication Date
WO2008078627A1 true WO2008078627A1 (ja) 2008-07-03

Family

ID=39562420

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074438 Ceased WO2008078627A1 (ja) 2006-12-25 2007-12-19 Ofdm方式の通信システム、基地局、端末及び通信方法

Country Status (3)

Country Link
US (1) US20100027700A1 (ja)
JP (1) JP2008160569A (ja)
WO (1) WO2008078627A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5627899B2 (ja) * 2010-02-08 2014-11-19 京セラ株式会社 基地局及び基地局の通信方法
US9282556B2 (en) 2011-02-15 2016-03-08 Kyocera Corporation Base station and communication method thereof
WO2016203723A1 (ja) * 2015-06-17 2016-12-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 送信方法、受信方法、送信装置、及び受信装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11215092A (ja) * 1998-01-22 1999-08-06 Toshiba Corp Ofdm信号送受信方法及びofdm信号送受信装置
JP2002198878A (ja) * 2000-12-22 2002-07-12 Toshiba Corp スマートアンテナを用いた受信装置、スマートアンテナを用いた受信方法及びビーム形成回路
JP2003124857A (ja) * 2001-10-17 2003-04-25 Hokkaido Univ 無線装置およびアダプティブアレイ処理方法
JP2003304216A (ja) * 2002-04-09 2003-10-24 Panasonic Mobile Communications Co Ltd Ofdm通信方法およびofdm通信装置
JP2005341592A (ja) * 2004-05-28 2005-12-08 Mitsubishi Electric Research Laboratories Inc 時間−周波数ホッピング式の超広帯域システムにおいて干渉を抑圧する方法
WO2006001658A1 (en) * 2004-06-25 2006-01-05 Lg Electronics Inc. Allocation of radio resource in orthogonal frequency division multiplexing system
JP2006304191A (ja) * 2005-04-25 2006-11-02 Matsushita Electric Ind Co Ltd マルチキャリア送信装置及び周波数偏差校正方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7787514B2 (en) * 1998-02-12 2010-08-31 Lot 41 Acquisition Foundation, Llc Carrier interferometry coding with applications to cellular and local area networks
JP2003283411A (ja) * 2002-03-22 2003-10-03 Sanyo Electric Co Ltd 無線装置、送受信指向性制御方法および送受信指向性制御プログラム
CN1572080B (zh) * 2002-04-09 2011-04-06 松下移动通信株式会社 正交频分多路复用通信方法与正交频分多路复用通信装置
US7403508B1 (en) * 2003-09-22 2008-07-22 Miao George J Multiband MIMO-based W-CDMA and UWB communications
US8027243B2 (en) * 2004-06-25 2011-09-27 Lg Electronics Inc. Allocation of radio resource in orthogonal frequency division multiplexing system
KR100773291B1 (ko) * 2004-10-21 2007-11-05 삼성전자주식회사 광대역 무선통신시스템의 데이터 버스트 할당 장치 및 방법
US8792865B2 (en) * 2006-06-29 2014-07-29 Qualcomm Incorporated Method and apparatus for adjusting packet data content by sending null packets based on transmitter signal condition or requirement

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11215092A (ja) * 1998-01-22 1999-08-06 Toshiba Corp Ofdm信号送受信方法及びofdm信号送受信装置
JP2002198878A (ja) * 2000-12-22 2002-07-12 Toshiba Corp スマートアンテナを用いた受信装置、スマートアンテナを用いた受信方法及びビーム形成回路
JP2003124857A (ja) * 2001-10-17 2003-04-25 Hokkaido Univ 無線装置およびアダプティブアレイ処理方法
JP2003304216A (ja) * 2002-04-09 2003-10-24 Panasonic Mobile Communications Co Ltd Ofdm通信方法およびofdm通信装置
JP2005341592A (ja) * 2004-05-28 2005-12-08 Mitsubishi Electric Research Laboratories Inc 時間−周波数ホッピング式の超広帯域システムにおいて干渉を抑圧する方法
WO2006001658A1 (en) * 2004-06-25 2006-01-05 Lg Electronics Inc. Allocation of radio resource in orthogonal frequency division multiplexing system
JP2006304191A (ja) * 2005-04-25 2006-11-02 Matsushita Electric Ind Co Ltd マルチキャリア送信装置及び周波数偏差校正方法

Also Published As

Publication number Publication date
JP2008160569A (ja) 2008-07-10
US20100027700A1 (en) 2010-02-04

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