JP4884722B2 - 無線通信装置及び無線通信方法 - Google Patents
無線通信装置及び無線通信方法 Download PDFInfo
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- JP4884722B2 JP4884722B2 JP2005241904A JP2005241904A JP4884722B2 JP 4884722 B2 JP4884722 B2 JP 4884722B2 JP 2005241904 A JP2005241904 A JP 2005241904A JP 2005241904 A JP2005241904 A JP 2005241904A JP 4884722 B2 JP4884722 B2 JP 4884722B2
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- 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
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- 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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0617—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 weighted versions of same signal for beam forming
-
- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
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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
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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
- H04L1/02—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
- H04L1/0637—Properties of the code
- H04L1/0643—Properties of the code block codes
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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
- H04L1/12—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]
- H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
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- 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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0665—Feed forward of transmit weights to the receiver
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
-
- 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
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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
- H04L1/004—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
- H04L1/0057—Block codes
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
G.J.Foschini,Jr:"Layered space−time architecture for wireless communication in a fading environment when using multi−element antennas",Bell Labs Tech.J.,pp.41−59,Autumn 1996. V.Tarokh,H.Jafarkhani,and R.Calderbank:"Space−Time Block Coding for Wireless Communications:Performance Results",IEEE J.Select.Areas Commun.,Vol.17,No.3,pp.451−460,Mar.1999. Paulraj et al., "Transmit Optimization for Spatial Multiplexing in Presence of Spatial Fading Correlation,"
300 送信機; 302 チャネル符号化部; 304 データ変調部; 306,307−1,2 切替器; 308 ビームフォーミング部(AAA−BF); 310 MIMOダイバーシチ部; 311 分配器; 312 MIMO多重部; 313 送信ウエイト制御部; 314−1,2 合成部; 315−1,2 乗算部; 316 送信法制御部; 317 時空間符号化部; 318 記憶部; 319 直並列変換部; 320 制御情報送信部;
702 データ変調部; 704 直並列変換部; 706−1,2 時空間符号化部; 711,712,721,722 送信アンテナ;
1000 受信機; 1002 制御チャネル復調部; 1004−1,2,1006切替器; 1008 ビームフォーミング用受信部; 1010 MIMOダイバーシチ用受信部; 1011 最大比合成部; 1012 MIMO多重用受信部; 1013,1017 データ変調部; 1015 時空間符号化; 1014 チャネル復号部; 1016 チャネル推定器; 1018 受信品質測定部; 1019 信号分離部; 1020 フェージング相関測定部; 1022 制御情報送信部
Claims (2)
- 複数のアンテナを有する無線通信装置であって、
前記複数のアンテナのうちの1アンテナによる送信法、及びMIMOダイバーシチ法のいずれかの伝送法にしたがって、制御チャネルを伝送する制御情報送信部と、
前記複数のアンテナのうちの1アンテナによる送信法、MIMOダイバーシチ法、及びMIMO多重法のいずれかの伝送法にしたがって、データを伝送するデータ送信部と、
割り当てられた周波数帯域を複数の周波数ブロックに分割し、該周波数ブロックを単位として各ユーザに割り当てる送信制御部とを備え、
前記データ送信部は、MIMO多重法を使用する場合に、各送信ブロックで独立に適応変復調処理を行い、かつ各送信ブロックで独立にHARQ処理を行い、
前記制御情報送信部は、前記複数のアンテナをグループ化したグループ毎の前記制御チャネルとして、AMC用ビット、HARQ用ビット、スケジューリング用ビットおよびMIMO用CQI用ビットのうち少なくとも1の情報を伝送し、AMC用ビットとして、変調スキームおよびトランスポートブロック情報のうち少なくとも一方を送信し、HARQ用ビットとして、HARQプロセス情報、冗長バージョンとコンスタレーションパターンバージョンおよび新規データを示す情報のうち少なくとも1つを送信し、前記制御チャネルとして、周波数ブロック割り当て情報を送信することを特徴とする無線通信装置。 - マルチアンテナシステムにおける無線通信方法であって、
複数のアンテナのうちの1アンテナによる送信法、及びMIMOダイバーシチ法のいずれかの伝送法にしたがって、制御チャネルを伝送するステップと、
前記複数のアンテナのうちの1アンテナによる送信法、MIMOダイバーシチ法、及びMIMO多重法のいずれかの伝送法にしたがって、データを伝送するステップと、
割り当てられた周波数帯域を複数の周波数ブロックに分割し、該周波数ブロックを単位として各ユーザに割り当てるステップとを備え、
前記複数のアンテナをグループ化したグループ毎の前記制御チャネルとして、AMC用ビット、HARQ用ビット、スケジューリング用ビットおよびMIMO用CQI用ビットのうち少なくとも1つの情報を伝送し、前記AMC用ビットとして、変調スキームおよびトランスポートブロック情報のうち少なくとも一方を送信し、前記HARQ用ビットとして、HARQプロセス情報、冗長バージョンとコンスタレーションパターンバージョンおよび新規データを示す情報のうち少なくとも1つを送信し、前記制御チャネルとして、周波数ブロック割り当て情報を送信することを特徴とする無線通信方法。
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005241904A JP4884722B2 (ja) | 2005-03-31 | 2005-08-23 | 無線通信装置及び無線通信方法 |
| PCT/JP2006/306105 WO2006106613A1 (ja) | 2005-03-31 | 2006-03-27 | 無線通信装置及び無線通信方法 |
| KR1020077023378A KR101270986B1 (ko) | 2005-03-31 | 2006-03-27 | 무선통신장치 및 무선통신방법 |
| CN2006800159435A CN101171781B (zh) | 2005-03-31 | 2006-03-27 | 无线通信装置和无线通信方法 |
| US11/909,718 US8416872B2 (en) | 2005-03-31 | 2006-03-27 | Radio communication apparatus and a radio communication method |
| BRPI0609537-2A BRPI0609537A2 (pt) | 2005-03-31 | 2006-03-27 | aparelho de radiocomunicação e um método de radiocomunicação |
| EP06730053.3A EP1865642A4 (en) | 2005-03-31 | 2006-03-27 | Radio communication device and radio communication method |
| CN2011100572882A CN102098088B (zh) | 2005-03-31 | 2006-03-27 | 无线通信装置和无线通信方法 |
| TW095110907A TW200707941A (en) | 2005-03-31 | 2006-03-29 | Radio communication device, and radio communication method |
| TW098117094A TW200943773A (en) | 2005-03-31 | 2006-03-29 | Radio communication apparatus and a radio communication method |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005105494 | 2005-03-31 | ||
| JP2005105494 | 2005-03-31 | ||
| JP2005174393 | 2005-06-14 | ||
| JP2005174393 | 2005-06-14 | ||
| JP2005241904A JP4884722B2 (ja) | 2005-03-31 | 2005-08-23 | 無線通信装置及び無線通信方法 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009191401A Division JP5043079B2 (ja) | 2005-03-31 | 2009-08-20 | 移動通信システム、受信機、受信方法 |
| JP2010074494A Division JP5112469B2 (ja) | 2005-03-31 | 2010-03-29 | 無線通信装置及び無線通信方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007028569A JP2007028569A (ja) | 2007-02-01 |
| JP4884722B2 true JP4884722B2 (ja) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005241904A Expired - Fee Related JP4884722B2 (ja) | 2005-03-31 | 2005-08-23 | 無線通信装置及び無線通信方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8416872B2 (ja) |
| EP (1) | EP1865642A4 (ja) |
| JP (1) | JP4884722B2 (ja) |
| KR (1) | KR101270986B1 (ja) |
| CN (2) | CN102098088B (ja) |
| BR (1) | BRPI0609537A2 (ja) |
| TW (2) | TW200943773A (ja) |
| WO (1) | WO2006106613A1 (ja) |
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| KR20070118256A (ko) | 2007-12-14 |
| EP1865642A1 (en) | 2007-12-12 |
| TWI366358B (ja) | 2012-06-11 |
| TW200707941A (en) | 2007-02-16 |
| JP2007028569A (ja) | 2007-02-01 |
| TW200943773A (en) | 2009-10-16 |
| BRPI0609537A2 (pt) | 2010-04-13 |
| CN101171781A (zh) | 2008-04-30 |
| KR101270986B1 (ko) | 2013-06-05 |
| CN102098088B (zh) | 2013-02-27 |
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