JP6636059B2 - 無線通信システムにおけるビーム管理のための方法及び装置 - Google Patents
無線通信システムにおけるビーム管理のための方法及び装置 Download PDFInfo
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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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- 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
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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
- H04B7/0686—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
- 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
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
- H04L5/0094—Indication of how sub-channels of the path are allocated
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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
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Description
・ TRP内モビリティ
・ TRP間モビリティ
・ NR eNB間モビリティ
3GPP R2−162762では、カバレッジが時間及び空間の両方の変動に対してより敏感となる可能性があるため、ビームフォーミングに純粋に依存し、より高い周波数で動作するシステムの信頼性は挑戦的なものとなる可能性がある。その結果、その狭いリンクのSINRは、LTEの場合よりもはるかに急速に低下する可能性がある。
以上、種々の態様に関連して本発明を説明したが、本発明は、さらに改良可能であることが了解される。本願は、概して本発明の原理に従うと共に、本発明が関係する技術分野における既知で慣習的な実施となるような本開示からの逸脱を含む本発明の任意の変形、使用、又は適応を網羅することを意図している。
Claims (14)
- 基地局の方法であって、
前記基地局が、ビーム測定のための基準信号に関連する制御信号をUEに送信するステップであって、該制御信号は、ビーム測定のための該基準信号の非周期的送信をトリガし、該制御信号は、ビーム測定のための該基準信号を送信するためのビーム関連情報を含む、ステップと、
前記基地局が、ビーム測定のための前記基準信号を前記UEに送信するステップと、を含み、
前記ビーム関連情報は、ビーム測定のための前記基準信号が送信される少なくとも1つのビームを示す、方法。 - 前記ビーム関連情報は基地局ビームを示し、ビーム測定のための前記基準信号は該基地局ビームの少なくとも1つのリファインビーム上で送信される、請求項1に記載の方法。
- 前記制御信号は、制御チャネルを介して送信される、請求項1に記載の方法。
- 前記制御信号は、ビーム測定のために前記基準信号を搬送するために使用されるシンボルの数を示す、請求項1に記載の方法。
- ユーザ装置(UE)の方法であって、
前記UEが、ビーム測定のための基準信号に関連する制御信号を基地局から受信するステップであって、該制御信号は、ビーム測定のための該基準信号の非周期的送信をトリガし、該制御信号は、ビーム測定のための該基準信号を送信するためのビーム関連情報を含む、ステップと、
前記UEが、前記基地局からのビーム測定のための前記基準信号を測定するステップと、を含み、
前記ビーム関連情報は、ビーム測定のための前記基準信号が送信される少なくとも1つのビームを示す、方法。 - 前記ビーム関連情報は基地局ビームを示し、ビーム測定のための前記基準信号は該基地局ビームの少なくとも1つのリファインビーム上で送信される、請求項5に記載の方法。
- 前記UEは、前記ビーム関連情報によって示される前記少なくとも1つのビームに関連するUEビームを用いてビーム測定のための前記基準信号の測定を実行する、請求項5に記載の方法。
- 前記ビーム関連情報によって示される前記少なくとも1つのビームについて、前記UEのためにビームのリファインが実行される、請求項5に記載の方法。
- 前記制御信号は、制御チャネルを介して送信される、請求項5に記載の方法。
- 前記制御信号は、ビーム測定のために前記基準信号を搬送するために使用されるシンボルの数を示す、請求項5に記載の方法。
- 基地局であって、
制御回路と、
前記制御回路に設けられたプロセッサと、
前記制御回路に設けられ、前記プロセッサに動作可能に結合されたメモリと、を含み、
前記プロセッサは、前記メモリに記憶されたプログラムコードを実行して、
ビーム測定のための基準信号に関連する制御信号をUEに送信するステップであって、該制御信号は、ビーム測定のための該基準信号の非周期的送信をトリガし、該制御信号は、ビーム測定のための該基準信号を送信するためのビーム関連情報を含む、ステップと、
ビーム測定のための前記基準信号を前記UEに送信するステップと、を行うように構成され、
前記ビーム関連情報は、ビーム測定のための前記基準信号が送信される少なくとも1つのビームを示す、基地局。 - 前記ビーム関連情報は基地局ビームを示し、ビーム測定のための前記基準信号は該基地局ビームの少なくとも1つの改善ビーム上で送信される、請求項11に記載の基地局。
- 前記制御信号は、制御チャネルを介して送信される、請求項11に記載の基地局。
- 前記制御信号は、ビーム測定のために前記基準信号を搬送するために使用されるシンボルの数を示す、請求項11に記載の基地局。
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CA3010228C (en) * | 2015-12-31 | 2023-10-31 | Huawei Technologies Co., Ltd. | Beamforming method, receiver, transmitter, and system |
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CN109981155B (zh) * | 2017-12-27 | 2021-08-13 | 华为技术有限公司 | 一种波束训练方法及相关设备 |
CN110636538B (zh) * | 2018-06-22 | 2021-07-20 | 维沃移动通信有限公司 | 波束测量方法、网络侧设备、终端设备及存储介质 |
CN115334566A (zh) * | 2018-09-13 | 2022-11-11 | 北京小米移动软件有限公司 | 波束测量报告的上报方法、装置、设备及存储介质 |
KR20200077024A (ko) | 2018-12-20 | 2020-06-30 | 삼성전자주식회사 | 배열 안테나를 구비한 전자 장치 및 안테나 집합체의 전력 백오프 방법 |
CN111800243B (zh) * | 2019-04-03 | 2023-06-09 | 华硕电脑股份有限公司 | 无线通信系统处置新无线电装置内共存问题的方法和设备 |
CN115473557A (zh) * | 2019-06-21 | 2022-12-13 | 中国移动通信有限公司研究院 | 波束切换方法及装置、通信设备 |
CN111162827B (zh) * | 2020-03-06 | 2020-10-30 | 大唐移动通信设备有限公司 | 波束管理方法、装置、网络侧设备、终端及存储介质 |
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WO2015080648A1 (en) * | 2013-11-27 | 2015-06-04 | Telefonaktiebolaget L M Ericsson (Publ) | Methods for receiving and sending a report comprising channel state information |
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EP3681203B1 (en) * | 2014-12-17 | 2021-07-14 | Telefonaktiebolaget LM Ericsson (publ) | Methods for transmitting mobility signals and related network nodes and wireless devices |
KR102056078B1 (ko) * | 2015-05-22 | 2019-12-16 | 후지쯔 가부시끼가이샤 | 참조 신호 자원 할당 방법 및 장치, 및 통신 시스템 |
CN106412942A (zh) | 2015-07-31 | 2017-02-15 | 株式会社Ntt都科摩 | 波束参考信号的发送方法、波束选择方法、基站及用户终端 |
US10581503B2 (en) | 2015-10-21 | 2020-03-03 | Apple Inc. | Method, apparatus and system for reporting beam reference signal receiving power |
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US9960830B2 (en) * | 2016-04-04 | 2018-05-01 | Samsung Electronics Co., Ltd. | Method and apparatus for managing beam in beamforming system |
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US10506639B2 (en) * | 2016-08-12 | 2019-12-10 | Qualcomm Incorporated | RACH conveyance of DL synchronization beam information for various DL-UL correspondence states |
US10736010B2 (en) * | 2016-10-07 | 2020-08-04 | Qualcomm Incorporated | Reference beam for event trigger in mobility management |
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