JP5242025B2 - 基地局および送信方法 - Google Patents
基地局および送信方法 Download PDFInfo
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- JP5242025B2 JP5242025B2 JP2006169455A JP2006169455A JP5242025B2 JP 5242025 B2 JP5242025 B2 JP 5242025B2 JP 2006169455 A JP2006169455 A JP 2006169455A JP 2006169455 A JP2006169455 A JP 2006169455A JP 5242025 B2 JP5242025 B2 JP 5242025B2
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- 230000005540 biological transmission Effects 0.000 title claims description 71
- 238000000034 method Methods 0.000 title claims description 24
- 238000004891 communication Methods 0.000 claims description 31
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 description 15
- 230000003252 repetitive effect Effects 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
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- 208000037918 transfusion-transmitted disease Diseases 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2621—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]
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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
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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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
- H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
-
- 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
- H04L1/0001—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
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
-
- 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
- H04L1/0028—Formatting
- H04L1/003—Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
-
- 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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- 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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- 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]
-
- 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
- H04L5/0037—Inter-user or inter-terminal allocation
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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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
P.Chow,J.Cioffi,J.Bingham,"A Practical Discrete Multitone Transceiver Loading Algorithm for Data Transmission over Spectrally Shaped Channel",IEEE Trans.Commun.vol.43,No.2/3/4,February/March/April 1995
1以上のサブキャリアを含むリソースブロックを複数個含む周波数帯域を使用するマルチキャリア方式の基地局であって、
通信端末にリソースブロックを割り当てるためのスケジューリング情報を決定する周波数スケジューラと、
符号化方法は変えずに繰り返し送信を実行することによって低符号化率を適用するために、1無線フレーム内に割り当てを行う制御チャネルの数に応じて、1無線フレーム内に制御チャネルを多重するとともに、スケジューリング情報にしたがって、該制御チャネル以外のチャネルも多重する多重化部と、
前記多重化部の出力信号をマルチキャリア方式で送信する送信部と、
を有する。
1以上のサブキャリアを含むリソースブロックを複数個含む周波数帯域を使用するマルチキャリア方式の基地局で使用される送信方法であって、
通信端末にリソースブロックを割り当てるためのスケジューリング情報を決定し、
符号化方法は変えずに繰り返し送信を実行することによって低符号化率を適用するために、1無線フレーム内に割り当てを行う制御チャネルの数に応じて、1無線フレーム内に制御チャネルを多重するとともに、スケジューリング情報にしたがって、該制御チャネル以外のチャネルも多重し、
多重された信号をマルチキャリア方式で送信する。
なお、実施例を説明するための全図において、同一機能を有するものは同一符号を用い、繰り返しの説明は省略する。
32 周波数スケジューリング部
33−x 周波数ブロックxでの制御シグナリングチャネル生成部
34−x 周波数ブロックxでのデータチャネル生成部
35 報知チャネル(又はページングチャネル)生成部
1−x 周波数ブロックxに関する第1多重部
37 第2多重部
38 第3多重部
39 他チャネル生成部
40 逆高速フーリエ変換部
41 送信電力制御部
50 サイクリックプレフィックス付加部
81 キャリア周波数同調部
82 フィルタリング部
83 サイクリックプレフィックス除去部
84 高速フーリエ変換部(FFT)
85 CQI測定部
86 報知チャネル復号部
87 制御チャネル復号部
88 データチャネル復号部
332 制御情報発生部
334 伝送路符号化器
336 データ変調部
338、340 繰り返し制御部
342 パンクチャ部
Claims (8)
- 1以上のサブキャリアを含むリソースブロックを複数個含む周波数帯域を使用するマルチキャリア方式の基地局であって、
通信端末にリソースブロックを割り当てるためのスケジューリング情報を決定する周波数スケジューラと、
符号化方法は変えずに繰り返し送信を実行することによって低符号化率を適用するために、1無線フレーム内に割り当てを行う制御チャネルの数に応じて、1無線フレーム内に制御チャネルを多重するとともに、スケジューリング情報にしたがって、該制御チャネル以外のチャネルも多重する多重化部と、
前記多重化部の出力信号をマルチキャリア方式で送信する送信部と、
を有することを特徴とする基地局。 - 請求項1に記載の基地局において、
前記周波数スケジューラは、個々の通信端末から報告されたチャネル状態情報に基づいてスケジューリング情報を決定することを特徴とすることを特徴とする基地局。 - 請求項1または2に記載の基地局において、
各制御チャネルは同一の送信フォーマットで送信されることを特徴とする基地局。 - 請求項1または2に記載の基地局において、
多重されるサブフレームで異なるパンクチャパターンで、パンクチャを行うパンクチャ部をさらに備え、
各制御チャネルは異なるパンクチャパターンで送信されることを特徴とする基地局。 - 請求項1または2に記載の基地局において、
前記制御チャネルおよびデータチャネルに割り当てる送信電力を制御する送信電力制御部をさらに備えることを特徴とする基地局。 - 請求項1に記載の基地局において、
前記周波数スケジューラは、個々の通信端末から報告されたチャネル状態情報に基づいて、同一サブフレームに多重するユーザ数を決定することを特徴とする基地局。 - 請求項1に記載の基地局において、
前記制御チャネルに対して、適応ビーム制御が行われることを特徴とする基地局。 - 1以上のサブキャリアを含むリソースブロックを複数個含む周波数帯域を使用するマルチキャリア方式の基地局で使用される送信方法であって、
通信端末にリソースブロックを割り当てるためのスケジューリング情報を決定し、
符号化方法は変えずに繰り返し送信を実行することによって低符号化率を適用するために、1無線フレーム内に割り当てを行う制御チャネルの数に応じて、1無線フレーム内に制御チャネルを多重するとともに、スケジューリング情報にしたがって、該制御チャネル以外のチャネルも多重し、
多重された信号をマルチキャリア方式で送信する
ことを特徴とする送信方法。
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006169455A JP5242025B2 (ja) | 2006-06-19 | 2006-06-19 | 基地局および送信方法 |
RU2009101073/08A RU2444132C2 (ru) | 2006-06-19 | 2007-06-14 | Базовая станция и способ передачи сигнала |
US12/304,731 US8503378B2 (en) | 2006-06-19 | 2007-06-14 | Base station and transmission method |
MX2008015925A MX2008015925A (es) | 2006-06-19 | 2007-06-14 | Estacion base y metodo de transmision. |
PCT/JP2007/062057 WO2007148613A1 (ja) | 2006-06-19 | 2007-06-14 | 基地局および送信方法 |
KR1020097000227A KR101362976B1 (ko) | 2006-06-19 | 2007-06-14 | 기지국 및 송신방법 |
BRPI0712935-1A BRPI0712935A2 (pt) | 2006-06-19 | 2007-06-14 | estação-base e método de transmissão |
CN201210344512.0A CN102883474B (zh) | 2006-06-19 | 2007-06-14 | 基站和发送方法 |
CN2007800268437A CN101491153B (zh) | 2006-06-19 | 2007-06-14 | 基站和发送方法 |
EP07745314A EP2034761A4 (en) | 2006-06-19 | 2007-06-14 | BASIC STATION AND TRANSMISSION PROCEDURE |
TW096121828A TW200812325A (en) | 2006-06-19 | 2007-06-15 | Base station and transmission method |
US13/940,049 US9313787B2 (en) | 2006-06-19 | 2013-07-11 | Base station and transmission method |
Applications Claiming Priority (1)
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JP2006169455A JP5242025B2 (ja) | 2006-06-19 | 2006-06-19 | 基地局および送信方法 |
Related Child Applications (1)
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JP2009191398A Division JP5242522B2 (ja) | 2009-08-20 | 2009-08-20 | 通信端末、受信方法および通信システム |
Publications (2)
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JP2007336500A JP2007336500A (ja) | 2007-12-27 |
JP5242025B2 true JP5242025B2 (ja) | 2013-07-24 |
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JP2006169455A Active JP5242025B2 (ja) | 2006-06-19 | 2006-06-19 | 基地局および送信方法 |
Country Status (10)
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US (2) | US8503378B2 (ja) |
EP (1) | EP2034761A4 (ja) |
JP (1) | JP5242025B2 (ja) |
KR (1) | KR101362976B1 (ja) |
CN (2) | CN101491153B (ja) |
BR (1) | BRPI0712935A2 (ja) |
MX (1) | MX2008015925A (ja) |
RU (1) | RU2444132C2 (ja) |
TW (1) | TW200812325A (ja) |
WO (1) | WO2007148613A1 (ja) |
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JP2007336500A (ja) | 2007-12-27 |
US8503378B2 (en) | 2013-08-06 |
WO2007148613A1 (ja) | 2007-12-27 |
KR20090034865A (ko) | 2009-04-08 |
KR101362976B1 (ko) | 2014-02-21 |
CN102883474A (zh) | 2013-01-16 |
EP2034761A4 (en) | 2013-03-20 |
CN102883474B (zh) | 2015-06-24 |
CN101491153A (zh) | 2009-07-22 |
US20100290406A1 (en) | 2010-11-18 |
CN101491153B (zh) | 2012-11-07 |
BRPI0712935A2 (pt) | 2012-12-18 |
US9313787B2 (en) | 2016-04-12 |
RU2009101073A (ru) | 2010-07-27 |
TW200812325A (en) | 2008-03-01 |
TWI349470B (ja) | 2011-09-21 |
EP2034761A1 (en) | 2009-03-11 |
MX2008015925A (es) | 2009-02-12 |
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