JP4926047B2 - 無線通信装置および無線通信方法 - Google Patents
無線通信装置および無線通信方法 Download PDFInfo
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- JP4926047B2 JP4926047B2 JP2007514754A JP2007514754A JP4926047B2 JP 4926047 B2 JP4926047 B2 JP 4926047B2 JP 2007514754 A JP2007514754 A JP 2007514754A JP 2007514754 A JP2007514754 A JP 2007514754A JP 4926047 B2 JP4926047 B2 JP 4926047B2
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- 238000004891 communication Methods 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 89
- 230000003044 adaptive effect Effects 0.000 claims description 29
- 230000008569 process Effects 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000015654 memory Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 1
- 108010003272 Hyaluronate lyase Proteins 0.000 description 1
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
- 208000037918 transfusion-transmitted disease Diseases 0.000 description 1
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- 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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- 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
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Description
永田他,「下りリンクSpread OFDMブロードバンドパケット無線アクセスにおける周波数パケットスケジューリングの効果」,電子情報通信学会技術研究報告 RCS2004-228,2004年11月
本実施の形態に係る無線通信装置100の構成を図1に示す。無線通信装置100は、マルチキャリア信号であるOFDMシンボルを構成する複数のサブキャリアを複数のサブチャネルに分け、それら複数のサブチャネル毎にスケジューリングや適応変調等の適応制御を行う。なお、以下の説明では、無線通信装置100が移動体通信システムで使用される基地局に搭載される場合を例に挙げて説明する。
S情報および割当情報を含む制御情報をサブチャネル毎に生成して、それぞれ対応する符号化・変調部101−1〜101−mに出力する。
本実施の形態では、サブチャネル毎の各フレームに対して送信電力制御を行う。また、本実施の形態では、セル毎に異なるフレームタイミングを設定する。
ループットが向上する。
Claims (6)
- マルチキャリア信号を構成する複数のサブキャリアを複数のサブチャネルに分け、前記複数のサブチャネル毎に適応制御を行う無線通信装置であって、
前記複数のサブチャネルに対し互いに異なる送信タイミングを設定するタイミング設定手段と、
送信タイミング設定後の前記複数のサブチャネルを含む前記マルチキャリア信号を送信する送信手段と、
を具備し、
前記タイミング設定手段は、隣接セルの無線通信装置において設定される送信タイミングと異なる送信タイミングを設定する、
無線通信装置。 - 前記複数のサブチャネルの各々にパイロットチャネルとデータチャネルとを多重する多重手段と、
前記パイロットチャネルの送信電力を前記データチャネルの送信電力より大きな電力に設定する電力設定手段と、
をさらに具備する請求項1記載の無線通信装置。 - 前記複数のサブチャネルの各々に制御チャネルとデータチャネルとを多重する多重手段と、
前記制御チャネルの送信電力を前記データチャネルの送信電力より大きな電力に設定する電力設定手段と、
をさらに具備する請求項1記載の無線通信装置。 - 請求項1記載の無線通信装置を具備する無線通信基地局装置。
- 請求項1記載の無線通信装置を具備する無線通信移動局装置。
- マルチキャリア信号を構成する複数のサブキャリアを複数のサブチャネルに分け、前記複数のサブチャネル毎に適応制御を行う無線通信方法であって、
前記複数のサブチャネルにそれぞれ形成される複数のフレームに対し互いに異なるフレームタイミングオフセットを設ける、
無線通信方法。
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JP2007514754A JP4926047B2 (ja) | 2005-04-28 | 2006-04-26 | 無線通信装置および無線通信方法 |
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JP2005133721 | 2005-04-28 | ||
JP2005133721 | 2005-04-28 | ||
JP2007514754A JP4926047B2 (ja) | 2005-04-28 | 2006-04-26 | 無線通信装置および無線通信方法 |
PCT/JP2006/308690 WO2006118124A1 (ja) | 2005-04-28 | 2006-04-26 | 無線通信装置および無線通信方法 |
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JPWO2006118124A1 JPWO2006118124A1 (ja) | 2008-12-18 |
JP4926047B2 true JP4926047B2 (ja) | 2012-05-09 |
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JP2007514754A Active JP4926047B2 (ja) | 2005-04-28 | 2006-04-26 | 無線通信装置および無線通信方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8320356B2 (ja) |
EP (1) | EP1865637A4 (ja) |
JP (1) | JP4926047B2 (ja) |
KR (1) | KR101214102B1 (ja) |
CN (1) | CN101167283B (ja) |
WO (1) | WO2006118124A1 (ja) |
Families Citing this family (20)
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BR122019003667B1 (pt) * | 2005-08-19 | 2019-11-19 | Godo Kaisha Ip Bridge 1 | aparelho de estação móvel e método para reportar cqis |
US7912092B2 (en) * | 2006-12-27 | 2011-03-22 | Sharp Laboratories Of America, Inc. | Systems and methods for transmitting a transmission time interval signal with staggered reference signals |
JP4640844B2 (ja) * | 2007-01-09 | 2011-03-02 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置、送信方法及び通信システム |
JP4920445B2 (ja) * | 2007-02-16 | 2012-04-18 | 京セラ株式会社 | 送信方法、通知方法、端末装置および基地局装置 |
KR100930716B1 (ko) * | 2007-10-17 | 2009-12-09 | 한국전자통신연구원 | 신호 전송 방법 및 신호 수신 방법 |
US8321740B2 (en) * | 2008-08-15 | 2012-11-27 | Innovative Sonic Limited | Method and apparatus of handling TTI bundling |
IL194097A (en) * | 2008-09-15 | 2012-05-31 | Mariana Goldhamer | Activation of a wireless subscription terminal in a number of cells based on OFDMA |
US9137764B2 (en) * | 2009-03-17 | 2015-09-15 | Htc Corporation | Method of managing timing alignment functionality for multiple component carriers and related communication device |
CN101646234A (zh) * | 2009-09-01 | 2010-02-10 | 中兴通讯股份有限公司 | 一种定时提前量的获取方法 |
WO2011047504A1 (zh) * | 2009-10-20 | 2011-04-28 | 华为技术有限公司 | 对组成载波进行定时调整的方法、基站及系统 |
JP2011234295A (ja) * | 2010-04-30 | 2011-11-17 | Panasonic Corp | 基地局装置、通信端末装置、送信方法及び復調方法 |
JP4675432B2 (ja) * | 2010-08-31 | 2011-04-20 | 株式会社エヌ・ティ・ティ・ドコモ | Ofdm方式で変調された送信信号を受信する受信装置及び受信方法 |
US9007888B2 (en) | 2010-11-08 | 2015-04-14 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
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US9084207B2 (en) * | 2010-11-08 | 2015-07-14 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
US9380490B2 (en) | 2010-11-08 | 2016-06-28 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
US9497773B2 (en) | 2012-02-08 | 2016-11-15 | QUALOCOMM Incorporated | Method and apparatus for enhancing resource allocation for uplink MIMO communication |
US9516609B2 (en) | 2010-11-08 | 2016-12-06 | Qualcomm Incorporated | System and method for uplink multiple input multiple output transmission |
JP5779268B2 (ja) * | 2014-04-04 | 2015-09-16 | シャープ株式会社 | 通信システム、移動局および信号処理方法 |
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2006
- 2006-04-26 CN CN200680014236.4A patent/CN101167283B/zh active Active
- 2006-04-26 KR KR1020077024710A patent/KR101214102B1/ko active IP Right Grant
- 2006-04-26 EP EP06732346.9A patent/EP1865637A4/en not_active Withdrawn
- 2006-04-26 JP JP2007514754A patent/JP4926047B2/ja active Active
- 2006-04-26 WO PCT/JP2006/308690 patent/WO2006118124A1/ja active Application Filing
- 2006-04-26 US US11/912,636 patent/US8320356B2/en active Active
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Also Published As
Publication number | Publication date |
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CN101167283B (zh) | 2014-05-07 |
EP1865637A4 (en) | 2013-05-01 |
US20080273517A1 (en) | 2008-11-06 |
CN101167283A (zh) | 2008-04-23 |
JPWO2006118124A1 (ja) | 2008-12-18 |
EP1865637A1 (en) | 2007-12-12 |
WO2006118124A1 (ja) | 2006-11-09 |
KR101214102B1 (ko) | 2012-12-20 |
US8320356B2 (en) | 2012-11-27 |
KR20080003371A (ko) | 2008-01-07 |
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