JP6962823B2 - ビームフォーミングを使用した初期セル探索および選択のための方法および装置 - Google Patents
ビームフォーミングを使用した初期セル探索および選択のための方法および装置 Download PDFInfo
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- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
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- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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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
- H04B7/06—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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- 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
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Description
本出願は、2015年6月25日に出願された米国特許仮出願第62/184,580号、および2016年3月11日に出願された米国特許仮出願第62/307,005号の利益を主張し、これらの仮出願の内容は、参照によって本明細書に組み込まれている。
v(t)=dω(t)sec2(θ(t)) (3)
Claims (18)
- 受信された構成メッセージに基づいて、同期信号のセットに関連付けられた送信周期性を判定する手段と、
前記判定された送信周期性を使用して同期信号の前記セットを探索する手段であって、同期信号の前記セットはプライマリ同期信号およびセカンダリ同期信号を含み、同期信号の前記セットはビームインデックスに関連付けられている、手段と、
少なくとも前記プライマリ同期信号を検出する手段と、
基準信号を使用して、物理ブロードキャストチャネル(PBCH)上の送信を復調する手段であって、前記基準信号は、前記検出されたプライマリ同期信号に関連付けられた前記ビームインデックスから導出され、前記プライマリ同期信号および前記PBCH上の前記送信は、予め定義されたシンボル関係を有する、手段と、
を備えた、無線送受信ユニット(WTRU)。 - 前記基準信号は、固定された数のシンボルだけ、前記検出されたプライマリ同期信号からオフセットされる、請求項1に記載のWTRU。
- 前記WTRUは、基地局から、同期信号の前記セットの送信の表示を受信する、請求項1に記載のWTRU。
- 前記WTRUは、前記表示に基づいて、前記検出されたプライマリ同期信号の測定を調整する、請求項3に記載のWTRU。
- 前記プライマリ同期信号は基地局送信ビームに関連付けられる、請求項1に記載のWTRU。
- 前記ビームインデックスは基地局送信ビームに関連付けられる、請求項1に記載のWTRU。
- 前記WTRUは、予め定義されたスイープ時間およびドウェル期間を使用して、複数の同期サブフレームの各々の期間中に、複数の受信ビームのうちの1つをスイープして、別の同期信号を検出するように構成される、請求項1に記載のWTRU。
- 前記WTRUは、前記PBCHから、システムタイミング情報、ビーム固有の基準シーケンス、および別のPBCHに関連付けられたビーム固有のリソース割り当てを獲得するように構成されており、前記システムタイミング情報は、少なくとも前記別のPBCHの送信のビームスイープ時間およびドウェル期間を含む、請求項1に記載のWTRU。
- ビームスイープを使用して、複数の受信ビームの各々についての前記検出されたプライマリ同期信号のメトリックを決定する手段と、
同期信号が検出される範囲内で複数の同期サブフレームの各々についてのeノードB送信ビーム同期領域を識別する手段と、
をさらに備える、請求項1に記載のWTRU。 - 無線送受信ユニット(WTRU)によって実行される方法であって、
受信された構成メッセージに基づいて、同期信号のセットに関連付けられた送信周期性を判定するステップと、
前記WTRUによって、同期信号の前記セットを探索するステップであって、同期信号の前記セットはプライマリ同期信号およびセカンダリ同期信号を含み、同期信号の前記セットはビームインデックスに関連付けられている、ステップと、
前記WTRUによって、少なくとも前記プライマリ同期信号を検出するステップと、
前記WTRUによって、基準信号を使用して、物理ブロードキャストチャネル(PBCH)を復調するステップであって、前記基準信号は、前記検出されたプライマリ同期信号に関連付けられた前記ビームインデックスから導出され、前記プライマリ同期信号および前記PBCHは、予め定義されたシンボル関係を有する、ステップと、
を含む、方法。 - 前記基準信号は、固定された数のシンボルだけ、前記検出されたプライマリ同期信号からオフセットされる、請求項10に記載の方法。
- 前記WTRUによって、基地局から、同期信号の前記セットの送信の表示を受信するステップをさらに含む、請求項10に記載の方法。
- 前記WTRUによって、前記表示に基づいて、前記検出されたプライマリ同期信号の測定を調整するステップをさらに含む、請求項12に記載の方法。
- 前記プライマリ同期信号は基地局送信ビームに関連付けられる、請求項10に記載の方法。
- 前記ビームインデックスは基地局送信ビームに関連付けられる、請求項10に記載の方法。
- 予め定義されたスイープ時間およびドウェル期間を使用して、複数の同期サブフレームの各々の期間中に、複数の受信ビームのうちの1つをスイープして、別の同期信号を検出するステップをさらに含む、請求項10に記載の方法。
- 前記WTRUによって、前記PBCHから、システムタイミング情報、ビーム固有の基準シーケンス、および別のPBCHに関連付けられたビーム固有のリソース割り当てを獲得するステップであって、前記システムタイミング情報は、少なくとも前記別のPBCHの送信のビームスイープ時間およびドウェル期間を含む、ステップをさらに含む、請求項10に記載の方法。
- 前記WTRUによって、ビームスイープを使用して、複数の受信ビームの各々についての前記検出されたプライマリ同期信号のメトリックを決定するステップと、
前記WTRUによって、同期信号が検出される範囲内で複数の同期サブフレームの各々についてのeノードB送信ビーム同期領域を識別するステップと、
をさらに含む、請求項10に記載の方法。
Applications Claiming Priority (5)
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US201562184580P | 2015-06-25 | 2015-06-25 | |
US62/184,580 | 2015-06-25 | ||
US201662307005P | 2016-03-11 | 2016-03-11 | |
US62/307,005 | 2016-03-11 | ||
PCT/US2016/039321 WO2016210302A1 (en) | 2015-06-25 | 2016-06-24 | Methods and apparatus for initial cell search and selection using beamforming |
Publications (3)
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JP2018528636A JP2018528636A (ja) | 2018-09-27 |
JP2018528636A5 JP2018528636A5 (ja) | 2019-08-08 |
JP6962823B2 true JP6962823B2 (ja) | 2021-11-05 |
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US (3) | US11336500B2 (ja) |
EP (1) | EP3314952A1 (ja) |
JP (1) | JP6962823B2 (ja) |
WO (1) | WO2016210302A1 (ja) |
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