JP6655161B2 - ハイブリッドビームフォーミングを利用した無線通信方法、そのための装置 - Google Patents
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- JP6655161B2 JP6655161B2 JP2018500683A JP2018500683A JP6655161B2 JP 6655161 B2 JP6655161 B2 JP 6655161B2 JP 2018500683 A JP2018500683 A JP 2018500683A JP 2018500683 A JP2018500683 A JP 2018500683A JP 6655161 B2 JP6655161 B2 JP 6655161B2
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- 238000004891 communication Methods 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000012549 training Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 17
- 238000010295 mobile communication Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
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Classifications
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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
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04W16/32—Hierarchical cell structures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/29—Control channels or signalling for resource management between an access point and the access point controlling device
-
- 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
- H04W88/085—Access point devices with remote components
Description
Claims (8)
- 小型セル基地局が、無線バックホールを形成するためにマクロセル基地局から複数のビームフォーミング信号を受信する段階と;
前記小型セル基地局が、前記複数のビームフォーミング信号のそれぞれに関する受信状態情報を生成する段階と;
前記小型セル基地局が、非可視(Non−Line−Of−Sight)環境において前記小型セル基地局に接続された端末に対する前記複数のビームフォーミング信号の干渉情報及び可視(Line−Of−Sight)環境において前記端末の位置情報を収集する段階と;
前記小型セル基地局が、前記生成された受信状態情報および、前記非可視環境において収集された前記干渉情報と前記可視環境において収集された前記位置情報のいずれかに基づいて前記マクロセル基地局との無線バックホールを形成する段階と;を含む無線バックホール形成方法。 - 前記形成する段階は、
前記小型セル基地局が、前記複数のビームフォーミング信号に対する受信状態情報および、前記干渉情報または位置情報を前記マクロセル基地局に伝送する段階を含むことを特徴とする請求項1に記載の無線バックホール形成方法。 - 前記形成する段階は、
前記小型セル基地局が、前記複数のビームフォーミング信号に対する受信状態情報および、前記非可視環境において収集された前記干渉情報と前記可視環境において収集された前記位置情報のいずれかに基づいて前記無線バックホールを形成するビームフォーミング信号を選択する段階と;
前記小型セル基地局が選択結果を前記マクロセル基地局に伝送する段階と;を含むことを特徴とする請求項1に記載の無線バックホール形成方法。 - 前記複数のビームフォーミング信号は、既定のトレーニングシンボルを含むことを特徴とする請求項1に記載の無線バックホール形成方法。
- 前記収集する段階は、
前記端末から前記トレーニングシンボルを含むビームフォーミング信号に対する干渉情報を受信することを特徴とする請求項4に記載の無線バックホール形成方法。 - マクロセル基地局が無線バックホールを形成するために小型セル基地局に複数のビームフォーミング信号を送信する段階と;
前記マクロセル基地局が、前記小型セル基地局から前記複数のビームフォーミング信号に対する受信状態情報および、非可視環境において収集された前記小型セル基地局に接続された端末に対する前記複数のビームフォーミング信号の干渉情報または可視環境において収集された前記端末の位置情報を受信する段階と;
前記複数のビームフォーミング信号の受信状態情報および、前記干渉情報または位置情報に基づいて前記複数のビームフォーミング信号のうち一つを選択して、前記小型セル基地局との無線バックホールを形成する段階と;を含む無線バックホール形成方法。 - 前記無線バックホールを形成する段階は、
前記端末の位置情報を基準として、端末方向へのビームフォーミングをナリング(Nulling)する段階を含むことを特徴とする請求項6に記載の無線バックホール形成方法。 - 無線信号を送受信する無線送受信部と;
前記無線送受信部を制御する制御部と;を含み、
前記制御部は、
マクロセル基地局から小型セル基地局間に互いに異なる指向性を有する複数のビームフォーミング信号を送受信するように前記無線送受信部を制御し、前記複数のビームフォーミング信号に対する前記小型セル基地局における受信状態情報を確認するビームフォーミングサーチモジュールと;
非可視環境において小型セル基地局に接続された端末に対する前記複数のビームフォーミング信号の干渉情報および可視環境において前記端末の位置情報を収集する収集モジュールと;
前記複数のビームフォーミング信号の受信状態情報および、前記干渉情報または位置情報に基づいて前記複数のビームフォーミング信号のうち一つを選択して、前記マクロセル基地局と小型セル基地局との間の無線バックホールを形成するバックホール形成モジュールと;を含む無線バックホール形成装置。
Applications Claiming Priority (3)
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KR1020150101157A KR102109606B1 (ko) | 2015-07-16 | 2015-07-16 | 빔포밍 기반 무선 백홀 형성 방법, 이를 위한 장치 |
KR10-2015-0101157 | 2015-07-16 | ||
PCT/KR2016/001420 WO2017010644A1 (ko) | 2015-07-16 | 2016-02-12 | 하이브리드 빔포밍을 이용한 무선 통신 방법, 이를 위한 장치 |
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JP2018525899A JP2018525899A (ja) | 2018-09-06 |
JP6655161B2 true JP6655161B2 (ja) | 2020-02-26 |
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EP (1) | EP3324669A4 (ja) |
JP (1) | JP6655161B2 (ja) |
KR (1) | KR102109606B1 (ja) |
CN (1) | CN107836124B (ja) |
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EP3403335B1 (en) * | 2016-01-12 | 2020-05-13 | Telefonaktiebolaget LM Ericsson (PUBL) | System, method, and apparatus for managing co-channel interference |
US11032744B2 (en) | 2017-05-04 | 2021-06-08 | At&T Intellectual Property I, L.P. | Inter-distributed unit beam switch procedure triggered by radio link interruption |
US10644974B2 (en) | 2017-05-04 | 2020-05-05 | At&T Intellectual Property I, L.P. | Measurements and radio link monitoring in a wireless communications system |
US10499398B2 (en) | 2017-09-29 | 2019-12-03 | At&T Intellectual Property I, L.P. | Facilitating mobile device-assisted mobility enhancement to improve user plane interruption time |
CN110475355B (zh) | 2018-05-11 | 2023-06-23 | 华为技术有限公司 | 一种波束训练的方法、装置及系统 |
KR20200129485A (ko) * | 2019-05-08 | 2020-11-18 | 삼성전자주식회사 | 무선 통신 시스템에서 대기의 덕팅에 의한 간섭 제어 방법 및 장치 |
KR102399317B1 (ko) | 2019-07-30 | 2022-05-18 | 한양대학교 산학협력단 | 무선 통신 시스템에서 위치 정보에 기반한 빔 정렬 장치 및 방법 |
JP7083372B2 (ja) * | 2020-06-03 | 2022-06-10 | ソフトバンク株式会社 | 管理装置、プログラム、システム、及び制御方法 |
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WO2017010644A1 (ko) | 2017-01-19 |
KR102109606B1 (ko) | 2020-05-12 |
EP3324669A1 (en) | 2018-05-23 |
CN107836124B (zh) | 2021-10-22 |
US10194335B2 (en) | 2019-01-29 |
JP2018525899A (ja) | 2018-09-06 |
US20180139628A1 (en) | 2018-05-17 |
CN107836124A (zh) | 2018-03-23 |
EP3324669A4 (en) | 2018-06-27 |
KR20170009324A (ko) | 2017-01-25 |
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