JP2013031176A - マルチ・ユーザーの仮想mimoを実施するための方法、装置、およびシステム - Google Patents
マルチ・ユーザーの仮想mimoを実施するための方法、装置、およびシステム Download PDFInfo
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- JP2013031176A JP2013031176A JP2012174250A JP2012174250A JP2013031176A JP 2013031176 A JP2013031176 A JP 2013031176A JP 2012174250 A JP2012174250 A JP 2012174250A JP 2012174250 A JP2012174250 A JP 2012174250A JP 2013031176 A JP2013031176 A JP 2013031176A
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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
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
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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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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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
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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
- H04B7/068—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 using space frequency diversity
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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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit 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
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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
- H04B7/0667—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
- H04B7/0671—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 delays between antennas
Abstract
【解決手段】それぞれのWTRUとそれぞれの基地局アンテナ群との間のマルチパスチャネルマトリクスを基地局にて生成するステップと、基地局とWTRUとの間のチャネルについての有効チャネルマトリクスを基地局にて生成するステップと、WTRUからの受信信号を、有効チャネルマトリクスを使用して処理するステップを備える。マルチパスチャネルマトリクスは、それぞれのWTRUに関連付けられるアンテナおよび基地局のそれぞれの基地局アンテナ群に関連付けられるアンテナについてのチャネル係数を含む。有効チャネルマトリクスは、WTRUについてのマルチパスチャネルマトリクスを含み、およびマルチユーザの仮想MIMOについての有効MIMOチャネルである。
【選択図】図1
Description
1.基地局および複数のWTRUを含む無線通信システムにおいて、マルチ・ユーザーの仮想MIMOを実施するための方法であって、前記基地局が複数のアンテナを含み、かつ前記WTRUの内の少なくとも1つが少なくとも2つのアンテナを含み、前記基地局のアンテナの数は、前記WTRUの任意のアンテナの数より少なくないことを特徴とする方法。
Claims (3)
- 基地局および複数の無線送受信ユニット(WTRU)を含む無線通信システムにおいてマルチユーザの仮想MIMO(multiple-input multiple-output)を実施する方法であって、前記基地局は基地局アンテナ群にグループ化される複数のアンテナを含み、前記WTRUの少なくとも1つは少なくとも2つのアンテナを含み、前記基地局のアンテナの数は少なくとも前記WTRUのアンテナの数であり、前記方法は、
それぞれのWTRUとそれぞれの基地局アンテナ群との間のマルチパスチャネルマトリクスを前記基地局にて生成するステップであって、前記マルチパスチャネルマトリクスは、それぞれのWTRUに関連付けられるアンテナおよび前記基地局のそれぞれの基地局アンテナ群に関連付けられるアンテナについてのチャネル係数を含む、ステップと、
前記基地局と前記WTRUとの間のチャネルについての有効チャネルマトリクスを前記基地局にて生成するステップであって、前記有効チャネルマトリクスは、前記WTRUについてのマルチパスチャネルマトリクスを含み、および前記マルチユーザの仮想MIMOについての有効MIMOチャネルである、ステップと、
前記WTRUからの受信信号を、前記有効チャネルマトリクスを使用して処理するステップと
を備えることを特徴とする方法。 - 送信プリコーディングが前記有効チャネルマトリクスを使用して実施されることを特徴とする請求項1に記載の方法。
- 固有ビーム形成が前記有効チャネルマトリクスを使用して実施されることを特徴とする請求項1に記載の方法。
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US83618906P | 2006-08-07 | 2006-08-07 | |
US60/836,189 | 2006-08-07 |
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JP2009523778A Division JP5061189B2 (ja) | 2006-08-07 | 2007-08-02 | マルチ・ユーザーの仮想mimoを実施するための方法、装置、およびシステム |
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JP2013031176A true JP2013031176A (ja) | 2013-02-07 |
JP5555745B2 JP5555745B2 (ja) | 2014-07-23 |
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JP2009523778A Expired - Fee Related JP5061189B2 (ja) | 2006-08-07 | 2007-08-02 | マルチ・ユーザーの仮想mimoを実施するための方法、装置、およびシステム |
JP2012174250A Expired - Fee Related JP5555745B2 (ja) | 2006-08-07 | 2012-08-06 | マルチ・ユーザーの仮想mimoを実施するための方法、装置、およびシステム |
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JP2009523778A Expired - Fee Related JP5061189B2 (ja) | 2006-08-07 | 2007-08-02 | マルチ・ユーザーの仮想mimoを実施するための方法、装置、およびシステム |
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US (2) | US8305956B2 (ja) |
EP (2) | EP2050205B1 (ja) |
JP (2) | JP5061189B2 (ja) |
KR (2) | KR20090032144A (ja) |
CN (1) | CN101502020B (ja) |
AR (1) | AR062228A1 (ja) |
AU (1) | AU2007284906A1 (ja) |
BR (1) | BRPI0714275A2 (ja) |
CA (1) | CA2660826A1 (ja) |
HK (1) | HK1222745A1 (ja) |
IL (1) | IL196863A0 (ja) |
MX (1) | MX2009001250A (ja) |
RU (1) | RU2411650C2 (ja) |
TW (1) | TWI443990B (ja) |
WO (1) | WO2008021008A2 (ja) |
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Also Published As
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CN101502020A (zh) | 2009-08-05 |
RU2009108332A (ru) | 2010-09-20 |
BRPI0714275A2 (pt) | 2013-04-16 |
US9264116B2 (en) | 2016-02-16 |
EP2050205B1 (en) | 2015-10-07 |
WO2008021008A3 (en) | 2008-04-10 |
MX2009001250A (es) | 2009-04-07 |
TW200812269A (en) | 2008-03-01 |
EP3001578A1 (en) | 2016-03-30 |
CN101502020B (zh) | 2014-02-05 |
RU2411650C2 (ru) | 2011-02-10 |
US20130022006A1 (en) | 2013-01-24 |
US8305956B2 (en) | 2012-11-06 |
US20080032746A1 (en) | 2008-02-07 |
HK1222745A1 (zh) | 2017-07-07 |
EP2050205A2 (en) | 2009-04-22 |
KR20090032144A (ko) | 2009-03-31 |
IL196863A0 (en) | 2009-11-18 |
EP3001578B1 (en) | 2017-03-29 |
JP5061189B2 (ja) | 2012-10-31 |
AU2007284906A1 (en) | 2008-02-21 |
TWI443990B (zh) | 2014-07-01 |
AR062228A1 (es) | 2008-10-22 |
KR101177165B1 (ko) | 2012-08-27 |
JP5555745B2 (ja) | 2014-07-23 |
JP2010500814A (ja) | 2010-01-07 |
KR20090032139A (ko) | 2009-03-31 |
WO2008021008A2 (en) | 2008-02-21 |
CA2660826A1 (en) | 2008-02-21 |
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