JP2014530535A - ビームフォーミング基盤の無線通信システムにおけるビームを選択するための装置及び方法 - Google Patents
ビームフォーミング基盤の無線通信システムにおけるビームを選択するための装置及び方法 Download PDFInfo
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- H—ELECTRICITY
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- 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
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam 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
- H04B7/0413—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
- H04B7/0617—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
- H04B7/0615—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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
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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
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/008—Transmission of channel access control information with additional processing of random access related information at receiving side
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Abstract
Description
110 移動局
200 基地局
210 移動局
Claims (15)
- 多数個のビームパターンを構成できる無線通信システムの基地局でビームパターンを選択するための方法であって、
方向探知チャネルの各時間区間を通じて方向探知信号の受信可否を確認する過程と、
前記方向探知チャネルの各時間区間に対する方向探知信号の受信可否の情報を伝送する過程と、
任意のアクセスチャネルを通じて受信ビームパターンを変更しながら移動局が少なくとも一つの送信ビームパターンを通じて伝送する任意のアクセス信号を受信する過程と、
前記任意のアクセス信号を考慮して移動局の送信ビームパターンのいずれかの送信ビームパターンと前記基地局の受信ビームパターンのいずれかの受信ビームパターンを選択する過程と、を含む方法。 - 前記方向探知信号の受信可否を確認する過程以前に前記方向探知チャネルのリソース割り当て情報及び前記任意のアクセスチャネルのリソース割り当て情報を伝送する過程をさらに含む、請求項1に記載の方法。
- 前記方向探知信号の受信可否を確認する過程は、
前記方向探知チャネルの各時間区間に対する受信電力又は受信信号の相関値を考慮して各時間区間を通じて方向探知信号が受信されるかを確認する過程を含む、請求項1に記載の方法。 - 前記方向探知信号の受信可否を確認する過程は、
受信ビームフォーミングを適用せず、前記方向探知チャネルの各時間区間を通じて方向探知信号が受信されるかを確認する過程を含む、請求項1に記載の方法。 - 前記方向探知信号の受信可否を確認する過程は、
ビーム幅の広い受信ビームパターンを用いて前記方向探知チャネルの各時間区間を通じて方向探知信号が受信されるかを確認する過程を含む、請求項1に記載の方法。 - 前記方向探知信号の受信可否に対する情報を伝送する過程は、
前記方向探知チャネルの各時間区間に対する方向探知信号の受信可否をビットマップで構成してサービス領域に伝送する過程を含む、請求項1に記載の方法。 - 前記いずれかの送信ビームパターンと前記いずれかの受信ビームパターンを選択した後、前記いずれかの送信ビームパターンと前記いずれかの受信ビームパターン情報を前記移動局に伝送する過程をさらに含む、請求項1に記載の方法。
- 多数個のビームパターンを構成できる無線通信システムの移動局で信号を伝送するための方法であって、
方向探知チャネルの時間区間を通じて送信ビームパターンを変更しながら方向探知信号を基地局に伝送する過程と、
前記方向探知チャネルの時間区間のうち、基地局が方向探知信号を受信した少なくとも一つの時間区間を確認する過程と、
前記基地局が方向探知信号を受信した少なくとも一つの時間区間を通じて方向探知信号を伝送した送信ビームパターンを候補送信ビームパターンとして決定する過程と、
前記候補送信ビームパターンを用いて任意のアクセス信号を前記基地局に伝送する過程と、を含む、方法。 - 前記方向探知信号を基地局に伝送する過程以前に前記基地局から前記方向探知チャネルのリソース割り当て情報及び前記任意のアクセスチャネルのリソース割り当て情報を受信する過程をさらに含む、請求項8に記載の方法。
- 前記方向探知信号を伝送する過程は、
前記方向探知チャネルの時間区間を通じて送信ビームパターンを変更しながら信号を伝送できる最小限のトーン(tone)、副搬送波(sub-carrier)、及び周波数帯域のいずれかに伝送電力を集中させて方向探知信号を伝送する過程を含む、請求項8に記載の方法。 - 前記方向探知信号を伝送する過程は、
前記方向探知チャネルの時間区間を通じて送信ビームパターンを変更しながら反復信号/コード伝送(repetition code)方式又は低符号化率(low code rate)を持つ符号を使用して方向探知信号を伝送する過程を含む、請求項8に記載の方法。 - 前記時間区間を確認する過程は、
前記基地局から提供されるビットマップを通じて前記方向探知チャネルの時間区間のうち前記基地局が方向探知信号を受信した時間区間を確認する過程を含む、請求項8に記載の方法。 - 前記任意のアクセス信号を伝送する過程は、
前記基地局の支援可能な受信ビームパターンの個数を考慮してそれぞれの候補送信ビームパターンを通じて任意のアクセス信号を繰り返して伝送する過程を含む、請求項8に記載の方法。 - 請求項1から請求項7のいずれかの方法を行うための、多数個のビームパターンを構成できる無線通信システムの基地局でビームパターンを選択するための装置。
- 請求項8から請求項13のいずれかの方法を行うための、多数個のビームパターンを構成できる無線通信システムの移動局で信号を伝送するための装置。
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KR10-2012-0102020 | 2012-09-14 | ||
PCT/KR2012/007387 WO2013039355A2 (en) | 2011-09-15 | 2012-09-14 | Apparatus and method for beam selecting in beamformed wireless communication system |
KR1020120102020A KR101966724B1 (ko) | 2011-09-15 | 2012-09-14 | 빔 포밍 기반의 무선통신시스템에서 빔을 선택하기 위한 장치 및 방법 |
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EP2756609A4 (en) | 2015-04-29 |
EP2756609B1 (en) | 2019-11-06 |
KR20130029745A (ko) | 2013-03-25 |
JP6212043B2 (ja) | 2017-10-11 |
US20130072244A1 (en) | 2013-03-21 |
KR101966724B1 (ko) | 2019-04-08 |
EP2756609A2 (en) | 2014-07-23 |
CN103931112B (zh) | 2017-03-08 |
WO2013039355A2 (en) | 2013-03-21 |
US8983547B2 (en) | 2015-03-17 |
CN103931112A (zh) | 2014-07-16 |
WO2013039355A3 (en) | 2013-05-10 |
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