JP5541752B2 - マルチキャリア通信システム内の伝送を行うための方法および装置 - Google Patents
マルチキャリア通信システム内の伝送を行うための方法および装置 Download PDFInfo
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- JP5541752B2 JP5541752B2 JP2012229995A JP2012229995A JP5541752B2 JP 5541752 B2 JP5541752 B2 JP 5541752B2 JP 2012229995 A JP2012229995 A JP 2012229995A JP 2012229995 A JP2012229995 A JP 2012229995A JP 5541752 B2 JP5541752 B2 JP 5541752B2
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- 230000005540 biological transmission Effects 0.000 title claims description 61
- 238000000034 method Methods 0.000 title claims description 44
- 238000004891 communication Methods 0.000 title description 15
- 230000008569 process Effects 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 description 20
- 238000013468 resource allocation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000013507 mapping Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
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- 238000013459 approach Methods 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000000819 phase cycle Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
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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
-
- 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
- H04L27/2602—Signal structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
Claims (9)
- 同じリソースブロック(RB)・ベースの伝送スキームを用いて周波数選択伝送および周波数ダイバーシチ伝送をサポートするための方法であって、
少なくとも第1のRBに第1のデータの組を割り当てる工程であって、第1のRBは第1の所定のフォーマットを有する該工程と、
少なくとも第2のRBに第2のデータの組を割り当てる工程であって、第2のRBは前記第1のRBと同一の所定のフォーマットを有する該工程と、
第1のRBの第1のデータの組の少なくとも一部に擬似ランダムでアンテナ特異的なスクランブル(PRAS)を適用し、2つ以上の送信アンテナパスからの送信用の第1のPRAS RBを提供する工程と、
前記2つ以上の送信アンテナパスから第1のPRAS RBおよび第2のRBを送信し、1つ以上のターゲット受信器へデータを提供する工程とを含み、
第1のPRAS RBおよび第2のRBは、周波数において隣接しており、
前記周波数ダイバーシチ伝送を行うユーザにPRAS RBを適用し、前記周波数選択伝送を行うユーザにPRAS RBを適用しない、方法。 - PRAS RB送信のターゲット受信器は、PRAS RBに対しPRASが適用されていることと、前記送信には前記2つ以上のアンテナパスが含まれることとを認識している
請求項1に記載の方法。 - PRASが好適である1つ以上のターゲット受信器と、PRASが好適でない別のターゲット受信器とを決定する工程とをさらに備え、第1のPRAS RBは、PRASが好適である前記1つ以上のターゲット受信器へ送信される
請求項1に記載の方法。 - 少なくとも第1のRBに第3のデータの組を割り当てる工程と、
第3のデータの組の少なくとも一部に擬似ランダムでアンテナ特異的なスクランブル(PRAS)を適用し、2つ以上の送信アンテナパスからの送信用の第3のPRAS RBを提供する工程と、
前記2つ以上のアンテナパスから第3のPRAS RBを送信し、1つ以上の前記ターゲット受信器へ追加のデータを提供する工程とをさらに含み、
第3のPRAS RBの送信は第1のPRAS RBの送信と同時である
請求項1に記載の方法。 - 第1の所定のRBフォーマットは複数のサブキャリアを含む、請求項1に記載の方法。
- 第1のRBの第1のデータの組の少なくとも一部にPRASを適用することによって、第1のPRAS RBの2つ以上のサブキャリア間に関連のない送信重みが生じる
請求項1に記載の方法。 - 送信より前に、第2のRBにビーム形成重みを適用する工程をさらに含み、
ビーム形成重みは、第2のRBの2つ以上のサブキャリア間に高い関連を有する
請求項1に記載の方法。 - 請求項1に記載の方法により伝送されたデータを受信するための方法であって、
第1の送信アンテナの第1の伝搬チャネルの推定を行う工程と、
第2の送信アンテナの第2の伝搬チャネルの推定を行う工程と、
第2のアンテナのスクランブル・シーケンスを取得する工程と、
複数の時間−周波数シンボル位置の各々上で混成データ信号を受信する工程であって、各時間−周波数シンボル位置上において、混成データ信号は第1の送信アンテナから送信されたデータシンボルと、第2の送信アンテナからスクランブルされ送信されたデータシンボルとの総和を含む該工程と、
推定された第1の伝搬チャネルおよび第2の伝搬チャネル、ならびに前記スクランブル・シーケンスに基づき、混成データ信号の復号を行う工程と、からなる方法。 - 請求項1に記載の方法により伝送されたデータの受信器であって、
第1の送信アンテナの第1の伝搬チャネルの推定と、第2の送信アンテナの第2の伝搬チャネルの推定とを行うチャネル推定器と、
複数の時間−周波数シンボル位置の各々上で混成データ信号を受信する受信アンテナであって、各時間−周波数シンボル位置上において、混成データ信号は第1の送信アンテナから送信されたデータシンボルと、第2の送信アンテナから送信されたスクランブルされたデータシンボルとの総和を含む該受信アンテナと、
推定された第1の伝搬チャネルおよび第2の伝搬チャネル、ならびにスクランブル・シーケンスに基づき、混成データ信号の復号を行う復号器と、を備える受信器。
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US11/679,272 | 2007-02-27 | ||
US11/679,272 US8126076B2 (en) | 2007-02-27 | 2007-02-27 | Method and apparatus for transmission within a multi-carrier communication system |
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JP5541752B2 true JP5541752B2 (ja) | 2014-07-09 |
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JP2012229995A Active JP5541752B2 (ja) | 2007-02-27 | 2012-10-17 | マルチキャリア通信システム内の伝送を行うための方法および装置 |
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EP (1) | EP2115916A1 (ja) |
JP (2) | JP5266531B2 (ja) |
CN (1) | CN101919187B (ja) |
WO (1) | WO2008106317A1 (ja) |
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2007
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- 2008-02-13 EP EP08729715A patent/EP2115916A1/en not_active Withdrawn
- 2008-02-13 CN CN200880006442.XA patent/CN101919187B/zh active Active
- 2008-02-13 WO PCT/US2008/053792 patent/WO2008106317A1/en active Application Filing
- 2008-02-13 JP JP2009548506A patent/JP5266531B2/ja active Active
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US20080205552A1 (en) | 2008-08-28 |
EP2115916A1 (en) | 2009-11-11 |
CN101919187B (zh) | 2014-03-12 |
JP2010532589A (ja) | 2010-10-07 |
WO2008106317A1 (en) | 2008-09-04 |
US8126076B2 (en) | 2012-02-28 |
US8345790B2 (en) | 2013-01-01 |
JP5266531B2 (ja) | 2013-08-21 |
CN101919187A (zh) | 2010-12-15 |
JP2013055673A (ja) | 2013-03-21 |
US20120140843A1 (en) | 2012-06-07 |
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