JP2023164852A - ビーム形成されたシステムにおけるビーム制御のための方法および装置 - Google Patents
ビーム形成されたシステムにおけるビーム制御のための方法および装置 Download PDFInfo
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- 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
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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
- H04B7/0408—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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- 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
- H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
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- H—ELECTRICITY
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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
- H04B7/08—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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- H04L5/0001—Arrangements for dividing the transmission path
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0033—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation each allocating device acting autonomously, i.e. without negotiation with other allocating devices
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0069—Allocation based on distance or geographical location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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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
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
-
- 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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Abstract
Description
本出願は、2016年3月3日に出願された米国特許仮出願第62/302,962号の利益を主張するものであり、その内容は参照により本明細書に組み込まれている。
Claims (17)
- プロセッサと、
トランシーバ
を備えたワイヤレス送信/受信ユニット(WTRU)であって、
前記プロセッサおよび前記トランシーバは、第1のビームを使用して、物理ダウンリンク制御チャネル(PDCCH)を受信するように構成され、
前記プロセッサおよび前記トランシーバは、基地局から、第2のビームを使用してPDCCHを受信するのに使用する、当該第2のビームのための参照信号を示すメディアアクセス制御(MAC)コマンドを受信するようさらに構成され、
前記プロセッサおよび前記トランシーバは、前記MACコマンドに基づいて、
前記基地局へ、確認応答(ACK)を送り、
前記第2のビームを使用して、PDCCH上でリソース割当てを受信し、
前記リソース割当てを使用して、送信する
ようさらに構成された
WTRU。 - 前記プロセッサおよび前記トランシーバは、前記第2のビームを使用してPDCCHモニタリングを実施することによって、前記PDCCH上で前記リソース割当てを受信するようさらに構成された請求項1に記載のWTRU。
- 前記プロセッサおよび前記トランシーバは、PUCCHリソースのインジケーションおよび前記PUCCHリソース上で前記ACKを送るためのタイミング情報を含むPDCCH送信を受信するようさらに構成された請求項1に記載のWTRU。
- 前記プロセッサおよび前記トランシーバは、前記PUCCHリソース上で、前記インジケーションの中で与えられた前記タイミング情報を使用して、前記基地局へ前記ACKを送るようさらに構成された請求項3に記載のWTRU。
- 前記プロセッサおよび前記トランシーバは、制御チャネルビームの無線リンク品質を評価するようさらに構成され、
前記プロセッサおよび前記トランシーバは、前記制御チャネルビームの前記無線リンク品質が、しきい値よりも下回ると評価される条件で、前記第2のビームのための好ましいビームのインジケーションを前記基地局へ送るようさらに構成された
請求項1に記載のWTRU。 - 前記プロセッサおよび前記トランシーバは、物理ランダムアクセスチャネル(PRACH)プリアンブルを使用して、前記好ましいビームの前記インジケーションを送るようさらに構成された請求項5に記載のWTRU。
- 前記プロセッサおよび前記トランシーバは、前記第1のビームを使用して第1の探索空間をモニタするようさらに構成され、
前記プロセッサおよび前記トランシーバは、前記第2のビームを使用して第2の探索空間をモニタするようさらに構成された
請求項1に記載のWTRU。 - 前記第1の探索空間および前記第2の探索空間は、同一の探索空間または異なる探索空間である請求項7に記載のWTRU。
- 前記参照信号は、チャネル状態情報参照信号(CSI-RS)である、請求項1に記載のWTRU。
- ワイヤレス送信/受信ユニット(WTRU)において実施される方法において、
第1のビームを使用して、物理ダウンリンク制御チャネル(PDCCH)を受信するステップと、
基地局から、第2のビームを使用してPDCCHを受信するのに使用する、当該第2のビームのための参照信号を示すメディアアクセス制御(MAC)コマンドを受信するステップと、
前記MACコマンドが受信されることに基づいて、
確認応答(ACK)を前記基地局へ送るステップと、
前記第2のビームを使用して、PDCCH上でリソース割当てを受信するステップと、
前記リソース割当てを使用して、送信するステップと
を備える方法。 - 前記PDCCH上で前記リソース割当てを受信する前記ステップは、前記第2のビームを使用してPDCCHモニタリングを実施することを含む請求項10に記載の方法。
- PUCCHリソースのインジケーションおよび前記PUCCHリソース上で前記ACKを送るためのタイミング情報を含むPDCCH送信を受信するステップをさらに備える請求項10に記載の方法。
- 前記PUCCHリソース上で、前記インジケーションの中で与えられた前記タイミング情報を使用して、前記基地局へ前記ACKを送るステップをさらに備える請求項12に記載の方法。
- 制御チャネルビームの無線リンク品質を評価するステップと、
前記制御チャネルビームの前記無線リンク品質がしきい値よりも下回ると評価されることに基づいて、前記第2のビームのための好ましいビームのインジケーションを前記基地局へ送るステップと
をさらに備える請求項10に記載の方法。 - 物理ランダムアクセスチャネル(PRACH)プリアンブルを使用して、前記好ましいビームの前記インジケーションを送るステップをさらに備える請求項14に記載の方法。
- 前記第1のビームを使用してPDCCHモニタリングを実施する前記ステップは、第1の探索空間をモニタすることを含み、
前記第2のビームを使用してPDCCHモニタリングを実施する前記ステップは、第2の探索空間をモニタすることを含む
請求項11に記載の方法。 - 前記第1の探索空間および前記第2の探索空間は、同一の探索空間または異なる探索空間である請求項16に記載の方法。
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US201662302962P | 2016-03-03 | 2016-03-03 | |
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JP2019188782A JP6931685B2 (ja) | 2016-03-03 | 2019-10-15 | ビーム形成されたシステムにおけるビーム制御のための方法および装置 |
JP2021132308A JP2021192520A (ja) | 2016-03-03 | 2021-08-16 | ビーム形成されたシステムにおけるビーム制御のための方法および装置 |
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CN113630167A (zh) | 2021-11-09 |
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CN113630167B (zh) | 2024-01-26 |
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