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 PDFInfo
- 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
Links
Classifications
-
- 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
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
-
- 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
- H04L27/2614—Peak power aspects
- H04L27/2618—Reduction thereof using auxiliary subcarriers
-
- 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) or DMT
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
- 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
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。
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)
| 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)
| 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)
| 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 |
-
2006
- 2006-12-25 JP JP2006348212A patent/JP2008160569A/ja active Pending
-
2007
- 2007-12-19 WO PCT/JP2007/074438 patent/WO2008078627A1/ja not_active Ceased
- 2007-12-19 US US12/521,288 patent/US20100027700A1/en not_active Abandoned
Patent Citations (7)
| 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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