JP5735666B2 - 無線通信システムにおいてリソース特定送信モードを決定する方法、及びそのための装置 - Google Patents
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- 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
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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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
- H04B7/06—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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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- H04B7/00—Radio transmission systems, i.e. using radiation field
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- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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- 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
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- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
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- Mobile Radio Communication Systems (AREA)
Description
Claims (6)
- 無線通信システムにおいて端末が基地局との間で信号を送受信する方法であって、
前記基地局から第1及び第2のサブフレーム集合に関する情報を受信するステップと、
前記基地局から前記第1及び第2のサブフレーム集合用の符号表サブセット制限フィールドに関する情報を受信するステップと、
前記第1のサブフレーム集合に対応する第1のプリコーディング行列インデクス、又は前記第2のサブフレーム集合に対応する第2のプリコーディング行列インデクスを含むフィードバック情報を送信するステップと、を有し、
前記第1のプリコーディング行列インデクスは、前記第1のサブフレーム集合用の前記符号表サブセット制限フィールドによって規定される第1の符号表サブセットから選択され、
前記第2のプリコーディング行列インデクスは、前記第2のサブフレーム集合用の前記符号表サブセット制限フィールドによって規定される第2の符号表サブセットから選択される、方法。 - 前記第1及び第2のサブフレーム集合はそれぞれ、隣接基地局によって発生し得る干渉レベルが異なる、請求項1に記載の方法。
- 無線通信システムにおける端末であって、
基地局との間で信号を送受信するための無線通信モジュールと、
前記信号を処理するためのプロセッサと、を備え、
前記無線通信モジュールは、前記基地局から第1及び第2のサブフレーム集合に関する情報を受信し、前記基地局から前記第1及び第2のサブフレーム集合用の符号表サブセット制限フィールドに関する情報を受信するように構成され、
前記プロセッサは、前記第1のサブフレーム集合に対応する第1のプリコーディング行列インデクス、又は前記第2のサブフレーム集合に対応する第2のプリコーディング行列インデクスを含むフィードバック情報を送信するように前記無線通信モジュールを制御するように構成され、
前記第1のプリコーディング行列インデクスは、前記第1のサブフレーム集合用の前記符号表サブセット制限フィールドによって規定される第1の符号表サブセットから選択され、
前記第2のプリコーディング行列インデクスは、前記第2のサブフレーム集合用の前記符号表サブセット制限フィールドによって規定される第2の符号表サブセットから選択される、端末装置。 - 前記第1及び第2のサブフレーム集合はそれぞれ、隣接基地局によって発生し得る干渉レベルが異なる、請求項3に記載の端末装置。
- 前記第1及び第2のサブフレーム集合用の前記符号表サブセット制限フィールドは、前記第1及び第2の符号表サブセットに含まれる少なくとも一つのプリコーディング行列インデクスを示し、
前記少なくとも一つのプリコーディング行列インデクスは、所定の符号表から選択される、請求項1に記載の方法。 - 前記第1及び第2のサブフレーム集合用の前記符号表サブセット制限フィールドは、前記第1及び第2の符号表サブセットに含まれる少なくとも一つのプリコーディング行列インデクスを示し、
前記少なくとも一つのプリコーディング行列インデクスは、所定の符号表から選択される、請求項3に記載の端末。
Applications Claiming Priority (5)
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US201161469079P | 2011-03-29 | 2011-03-29 | |
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US201161479413P | 2011-04-27 | 2011-04-27 | |
US61/479,413 | 2011-04-27 | ||
PCT/KR2012/002211 WO2012134140A2 (ko) | 2011-03-29 | 2012-03-27 | 무선 통신 시스템에서 자원 특정 전송 모드 결정 방법 및 이를 위한 장치 |
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JP2015084146A Division JP5909298B2 (ja) | 2011-03-29 | 2015-04-16 | 無線通信システムにおいてリソース特定送信モードを決定する方法、及びそのための装置 |
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JP2014512745A JP2014512745A (ja) | 2014-05-22 |
JP5735666B2 true JP5735666B2 (ja) | 2015-06-17 |
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JP2015084146A Active JP5909298B2 (ja) | 2011-03-29 | 2015-04-16 | 無線通信システムにおいてリソース特定送信モードを決定する方法、及びそのための装置 |
JP2016057998A Expired - Fee Related JP6181796B2 (ja) | 2011-03-29 | 2016-03-23 | 無線通信システムにおいてリソース特定送信モードを決定する方法、及びそのための装置 |
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JP2016057998A Expired - Fee Related JP6181796B2 (ja) | 2011-03-29 | 2016-03-23 | 無線通信システムにおいてリソース特定送信モードを決定する方法、及びそのための装置 |
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US (1) | US10499372B2 (ja) |
EP (1) | EP2675082B1 (ja) |
JP (3) | JP5735666B2 (ja) |
KR (1) | KR101835331B1 (ja) |
CN (2) | CN103444099B (ja) |
CA (1) | CA2827075C (ja) |
WO (1) | WO2012134140A2 (ja) |
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EP2675082A2 (en) | 2013-12-18 |
WO2012134140A2 (ko) | 2012-10-04 |
KR20130143105A (ko) | 2013-12-30 |
CA2827075C (en) | 2016-05-10 |
US10499372B2 (en) | 2019-12-03 |
EP2675082B1 (en) | 2017-05-10 |
EP2675082A4 (en) | 2014-09-03 |
CA2827075A1 (en) | 2012-10-04 |
CN105610483B (zh) | 2019-03-12 |
JP5909298B2 (ja) | 2016-04-26 |
KR101835331B1 (ko) | 2018-03-07 |
JP2016136768A (ja) | 2016-07-28 |
US20130315192A1 (en) | 2013-11-28 |
JP2014512745A (ja) | 2014-05-22 |
JP2015165691A (ja) | 2015-09-17 |
CN103444099A (zh) | 2013-12-11 |
JP6181796B2 (ja) | 2017-08-16 |
CN105610483A (zh) | 2016-05-25 |
CN103444099B (zh) | 2016-02-03 |
WO2012134140A3 (ko) | 2013-01-03 |
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