JP5312589B2 - 多重アンテナ伝送プリコーディングコードブックを生成する方法及び装置 - Google Patents
多重アンテナ伝送プリコーディングコードブックを生成する方法及び装置 Download PDFInfo
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- JP5312589B2 JP5312589B2 JP2011522007A JP2011522007A JP5312589B2 JP 5312589 B2 JP5312589 B2 JP 5312589B2 JP 2011522007 A JP2011522007 A JP 2011522007A JP 2011522007 A JP2011522007 A JP 2011522007A JP 5312589 B2 JP5312589 B2 JP 5312589B2
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- matrix
- codebook
- mimo
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Classifications
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0478—Special codebook structures directed to feedback optimisation
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
-
- 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
- H04L1/007—Unequal error protection
-
- 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
- H04L25/03343—Arrangements at the transmitter end
-
- 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
- H04L1/0656—Cyclotomic systems, e.g. Bell Labs Layered Space-Time [BLAST]
Description
図1〜図13及び本発明の原理を説明するために使用される多様な実施形態は、図示のみを説明するためのもので、本発明の範囲を制限する如何なる方式でも解析されてはならない。本発明の原理が任意の適当に配列された無線通信システムで実施されることは、当該技術分野における通常の知識を持つ者には理解できることである。
{±1,±j,±(1+j)/√2,±(1+j)/√2}
以上、本発明の詳細な説明においては具体的な実施形態に関して説明したが、特許請求の範囲を外れない限り、様々な変更が可能であることは、当該技術分野における通常の知識を持つ者には明らかである。したがって、本発明の範囲は、前述の実施形態に限定されるものではなく、特許請求の範囲の記載及びこれと均等なものに基づいて定められるべきである。
101、102、103 基地局
130 インターネットプロトコル(IP)ネットワーク
Claims (9)
- 複数の加入者局と通信を遂行する基地局であって、
閉ループ単一ユーザー多重入力多重出力(SU-MIMO)方式に使用される4ビット8送信器アンテナプリコーディングコードブックを用いてデータをMIMOアンテナシステムを通じて前記複数の加入者局に送信するエンコーダを含み、
前記4ビット8送信器アンテナプリコーディングコードブックは下記の<表1>のように定義されることを特徴とする基地局。
- 前記ベースマトリックスに含まれるW1及びW2は、各々下記の<数式1>及び<数式2>のように定義されることを特徴とする請求項1に記載の基地局。
- 前記MIMOアンテナシステムは、8送信器二重偏波アンテナを使用するためのシステムを含むことを特徴とする請求項1に記載の基地局。
- 多重入力多重出力(MIMO)システムを通じて複数の加入者局とデータを送受信するためにコードブックを生成する装置であって、
閉ループ単一ユーザーMIMO(SU-MIMO)方式に使用される4ビット8送信器アンテナプリコーディングコードブックを生成するコードブック生成器を含み、
前記4ビット8送信器アンテナプリコーディングコードブックは下記の<表2>のように定義されることを特徴とする装置。
- 前記ベースマトリックスに含まれるW1及びW2は、各々下記の<数式3>及び<数式4>のように定義されることを特徴とする請求項4に記載の装置。
- 前記4ビット8送信器アンテナプリコーディングコードブックは、8送信器二重偏波アンテナを使用してデータを送受信するために生成されることを特徴とする請求項4に記載の装置。
- 基地局における複数の加入者局と通信を遂行する方法であって、
閉ループ単一ユーザーMIMO(SU-MIMO)方式に使用される4ビット8送信器アンテナプリコーディングコードブックを使用し、データをMIMOアンテナシステムを介して前記複数の加入者局に送信するステップを有し、
前記4ビット8送信器アンテナプリコーディングコードブックは下記の<表3>のように定義されることを特徴とする方法。
- 前記ベースマトリックスに含まれるW1及びW2は、各々下記の<数式5>及び<数式6>のように定義されることを特徴とする請求項7に記載の方法。
- 前記MIMOアンテナシステムは、8送信器二重偏波アンテナを使用するためのシステムを含むことを特徴とする請求項7に記載の方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18808708P | 2008-08-06 | 2008-08-06 | |
US61/188,087 | 2008-08-06 | ||
US19821308P | 2008-11-04 | 2008-11-04 | |
US61/198,213 | 2008-11-04 | ||
US12/319,528 | 2009-01-08 | ||
US12/319,528 US8204151B2 (en) | 2008-08-06 | 2009-01-08 | Methods and apparatus to generate multiple antennas transmit precoding codebook |
PCT/KR2009/004359 WO2010016719A2 (en) | 2008-08-06 | 2009-08-04 | Methods and apparatus to generate multiple antennas transmit precoding codebook |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011530854A JP2011530854A (ja) | 2011-12-22 |
JP5312589B2 true JP5312589B2 (ja) | 2013-10-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011522007A Expired - Fee Related JP5312589B2 (ja) | 2008-08-06 | 2009-08-04 | 多重アンテナ伝送プリコーディングコードブックを生成する方法及び装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8204151B2 (ja) |
EP (1) | EP2316173A4 (ja) |
JP (1) | JP5312589B2 (ja) |
KR (1) | KR20110039576A (ja) |
CN (1) | CN102171945B (ja) |
RU (1) | RU2455761C1 (ja) |
WO (1) | WO2010016719A2 (ja) |
ZA (1) | ZA201100874B (ja) |
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-
2009
- 2009-01-08 US US12/319,528 patent/US8204151B2/en active Active
- 2009-08-04 KR KR1020117005194A patent/KR20110039576A/ko not_active Application Discontinuation
- 2009-08-04 CN CN200980139067.0A patent/CN102171945B/zh not_active Expired - Fee Related
- 2009-08-04 JP JP2011522007A patent/JP5312589B2/ja not_active Expired - Fee Related
- 2009-08-04 WO PCT/KR2009/004359 patent/WO2010016719A2/en active Application Filing
- 2009-08-04 RU RU2011108468/08A patent/RU2455761C1/ru active
- 2009-08-04 EP EP09805180.8A patent/EP2316173A4/en not_active Withdrawn
-
2011
- 2011-02-02 ZA ZA2011/00874A patent/ZA201100874B/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2010016719A3 (en) | 2010-04-22 |
EP2316173A2 (en) | 2011-05-04 |
KR20110039576A (ko) | 2011-04-19 |
WO2010016719A2 (en) | 2010-02-11 |
RU2455761C1 (ru) | 2012-07-10 |
ZA201100874B (en) | 2012-05-30 |
CN102171945B (zh) | 2014-03-12 |
EP2316173A4 (en) | 2014-06-25 |
JP2011530854A (ja) | 2011-12-22 |
US20100034308A1 (en) | 2010-02-11 |
US8204151B2 (en) | 2012-06-19 |
CN102171945A (zh) | 2011-08-31 |
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