JP6483293B2 - 端末の方向推定のためのビーム生成装置及び方法 - Google Patents
端末の方向推定のためのビーム生成装置及び方法 Download PDFInfo
- Publication number
- JP6483293B2 JP6483293B2 JP2017567695A JP2017567695A JP6483293B2 JP 6483293 B2 JP6483293 B2 JP 6483293B2 JP 2017567695 A JP2017567695 A JP 2017567695A JP 2017567695 A JP2017567695 A JP 2017567695A JP 6483293 B2 JP6483293 B2 JP 6483293B2
- Authority
- JP
- Japan
- Prior art keywords
- received
- terminal
- magnitude
- gain
- received signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 26
- 238000004891 communication Methods 0.000 description 21
- 238000005259 measurement Methods 0.000 description 15
- 238000004364 calculation method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 6
- 238000007476 Maximum Likelihood Methods 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
- G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
-
- 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
- H04B7/0408—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
-
- 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
- H04B17/318—Received signal strength
-
- 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
-
- 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
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
-
- 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
-
- 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
- H04B7/08—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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
-
- 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
- H04B7/0882—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 post-detection diversity
- H04B7/0885—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 post-detection diversity with combination
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
x=loge(y/121.3)/2.6
xは角度であり、yは受信ビーム#2(すなわち、隣接ビーム)に対する受信ビーム#3(すなわち、対象ビーム)の利得の大きさ比である。各角度領域に対するドリフト曲線の数式は、ビームパターン測定部702によって導出され、格納部704に格納され得る。
Claims (8)
- ビーム生成装置において、
多数の受信ビームの中で、端末から最も大きい大きさを有する受信信号が受信される第1の受信ビームと前記端末から二番目に大きい大きさを有する受信信号が受信される第2の受信ビームを導出するビーム導出部と、
前記第1の受信ビームを介して受信した受信信号の大きさと前記第2の受信ビームを介して受信した受信信号の大きさの比率値に基づいて前記端末の方向を推定する制御部
を含み、
前記多数の受信ビームの中で、前記第1の受信ビームが最も大きい利得を有し、前記第2の受信ビームが二番目に大きい利得を有する領域での方向別前記第1の受信ビームの利得と前記第2の受信ビームの利得の比に関する情報を格納する格納部をさらに含み、
前記制御部は、
前記格納部に格納された、前記領域での方向別前記第1の受信ビームの利得と前記第2の受信ビームの利得の比に関する情報;及び
前記第1の受信ビームを介して受信された受信信号の大きさと前記第2の受信ビームを介して受信された受信信号の大きさの前記比率値に基づいて前記端末の方向を推定することを特徴とする
ビーム生成装置。 - 前記情報は、前記第1の受信ビームの利得と前記第2の受信ビームの利得の比と、方向との関係に関する数学式を含むことを特徴とする請求項1に記載のビーム生成装置。
- 前記制御部は、
前記第1の受信ビームを介して受信した受信信号の大きさを前記第2の受信ビームを介して受信した受信信号の大きさで割って前記比率値を計算し、前記比率値を基に前記端末の方向を推定することを特徴とする請求項1に記載のビーム生成装置。 - 前記推定された端末の方向を指向角とする受信ビームを生成するビーム生成部をさらに含むことを特徴とする請求項1に記載のビーム生成装置。
- 前記多数の受信ビーム各々を介して前記端末から受信するRACH(Random Access Channel)プリアンブルまたはサウンディング参照信号(Sounding Reference Signal;SRS)の大きさを算出する信号強度測定部
をさらに含むことを特徴とする請求項1に記載のビーム生成装置。 - 多数の受信ビームの中で、端末から最も大きい大きさを有する受信信号が受信される第1の受信ビームと前記端末から二番目に大きい大きさを有する受信信号が受信される第2の受信ビームを導出する段階と、
前記第1の受信ビームを介して受信した受信信号の大きさと前記第2の受信ビームを介して受信した受信信号の大きさの比率値を用いて前記端末の方向を推定する段階と、
前記推定された端末の方向で最も大きいサイズを有する受信信号が受信される受信ビームを生成する段階と、
を含み、
前記端末の方向を推定する段階は、
前記多数の受信ビームの中で、前記第1の受信ビームが最も大きい利得を有し、前記第2の受信ビームが二番目に大きい利得を有する領域での方向別前記第1の受信ビームの利得と前記第2の受信ビームの利得の比に関する情報;及び
前記第1の受信ビームを介して受信した受信信号の大きさと前記第2の受信ビームを介して受信した受信信号の大きさの前記比率値に基づいて前記端末の方向を推定する段階であることを特徴とする
ビーム生成方法。 - 前記端末の方向を推定する段階は、
前記第1の受信ビームを介して受信した受信信号の大きさを前記第2の受信ビームを介して受信した受信信号の大きさで割って前記比率値を計算する段階を含むことを特徴とする請求項6に記載のビーム生成方法。 - 前記多数の受信ビーム各々を介して前記端末から受信されるRACHプリアンブルまたはサウンディング参照信号の大きさを算出する段階をさらに含むことを特徴とする請求項6に記載のビーム生成方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0095511 | 2015-07-03 | ||
KR1020150095511A KR102168183B1 (ko) | 2015-07-03 | 2015-07-03 | 단말 위치 추적을 위한 빔 생성 장치 및 다중빔 기반 단말 지향각 추정방법 |
PCT/KR2016/007076 WO2017007177A1 (ko) | 2015-07-03 | 2016-06-30 | 단말의 방향 추정을 위한 빔 생성 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018524919A JP2018524919A (ja) | 2018-08-30 |
JP6483293B2 true JP6483293B2 (ja) | 2019-03-13 |
Family
ID=57685879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017567695A Active JP6483293B2 (ja) | 2015-07-03 | 2016-06-30 | 端末の方向推定のためのビーム生成装置及び方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10236946B2 (ja) |
EP (1) | EP3319242B1 (ja) |
JP (1) | JP6483293B2 (ja) |
KR (1) | KR102168183B1 (ja) |
CN (1) | CN107710642B (ja) |
WO (1) | WO2017007177A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10587499B2 (en) * | 2015-12-30 | 2020-03-10 | Facebook, Inc. | Wireless node memory utilization for storing beamforming settings |
CN107835042B (zh) * | 2016-09-14 | 2020-12-01 | 华为技术有限公司 | 同步波束发送接收方法、网络设备、终端及系统 |
JP2020520183A (ja) * | 2017-05-12 | 2020-07-02 | 華為技術有限公司Huawei Technologies Co.,Ltd. | 無線通信システムにおけるブロードキャスト・ビーム重み付け値を決定するための方法及び装置 |
CN109818658A (zh) * | 2017-11-21 | 2019-05-28 | 索尼公司 | 用于无线通信系统的电子设备、方法和存储介质 |
KR102364641B1 (ko) | 2018-02-08 | 2022-02-18 | 삼성전자 주식회사 | 빔포밍 통신 시스템의 단말에서 빔 운용 방법 및 장치 |
CN110247689B (zh) * | 2018-03-09 | 2023-02-03 | 深圳捷豹电波科技有限公司 | 终端的通信区域分配方法、装置、通信设备及存储介质 |
CN110753388B (zh) * | 2018-07-23 | 2021-08-20 | 华为技术有限公司 | 一种波束管理方法和相关设备 |
KR20200046466A (ko) * | 2018-10-24 | 2020-05-07 | 삼성전자주식회사 | 이동 통신 시스템에서 빔 탐색을 위한 방법 및 장치 |
WO2020088785A1 (en) * | 2018-10-29 | 2020-05-07 | Nokia Technologies Oy | Apparatus and method to estimate ue position |
KR102268675B1 (ko) * | 2019-01-21 | 2021-06-22 | 주식회사 케이티 | 위치 측위 방법 및 이를 위한 장치 |
US11342977B2 (en) | 2020-08-03 | 2022-05-24 | Samsung Electronics Co., Ltd. | Method and apparatus of fusing radio frequency and sensor measurements for beam management |
US11445382B2 (en) | 2020-08-09 | 2022-09-13 | Shenzhen Jaguar Wave Technology Ltd. | Communication zone allocation method of terminal, device therefor, and communication equipment |
WO2022184280A1 (en) * | 2021-03-05 | 2022-09-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for providing mobility state information |
CN113194546B (zh) * | 2021-04-04 | 2023-12-15 | 山西昊翔能源集团有限公司 | 一种电网节点设备的运行大数据传输方法及系统 |
WO2023164716A2 (en) * | 2022-02-27 | 2023-08-31 | Maxlinear, Inc. | Beamforming estimation |
KR20240058422A (ko) | 2022-10-26 | 2024-05-03 | 한양대학교 에리카산학협력단 | 무선 통신 상에서 랜덤 접속을 위한 프리앰블 자원 분배 시스템, 프리앰블 자원 분배 시스템, 장치 및 방법 |
CN117278144B (zh) * | 2023-11-22 | 2024-02-13 | 西安迅尔电子有限责任公司 | 一种侦察接收机低信噪比信号的检测方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8363744B2 (en) | 2001-06-10 | 2013-01-29 | Aloft Media, Llc | Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks |
EP1259008B1 (en) * | 2001-05-17 | 2006-10-04 | SAMSUNG ELECTRONICS Co. Ltd. | Mobile communication apparatus with antenna array and mobile coomunication method therefor |
WO2003058272A1 (de) | 2002-01-10 | 2003-07-17 | Siemens Aktiengesellschaft | Verfahren zur positionsbestimmung mit hilfe eines funksignals mit rotierender sendecharakteristik |
US7336750B1 (en) * | 2002-11-22 | 2008-02-26 | Marvell International Ltd. | Optimal one-shot phase and frequency estimation for timing acquisition |
US7092673B2 (en) * | 2002-12-27 | 2006-08-15 | Nortel Networks Limited | Angle of arrival estimation in a wireless telecommunications network |
US7242955B2 (en) | 2003-12-18 | 2007-07-10 | Motorola, Inc. | Method and apparatus for optimal multiple beam transmit weightings for beam to beam handoff in a switched beam system |
KR100646747B1 (ko) | 2004-12-17 | 2006-11-23 | 한국전자통신연구원 | 디지털 방송 수신 성능 개선을 위한 빔 결합 방법 및하이브리드 방식의 빔 선택 방법과, 그를 이용한 디지털방송 수신 장치 |
WO2008111142A1 (ja) * | 2007-03-09 | 2008-09-18 | Fujitsu Limited | 無線局 |
CN101686077B (zh) * | 2008-09-26 | 2012-10-03 | 电信科学技术研究院 | 一种多点协同传输的方法及装置 |
CN101800582A (zh) * | 2009-02-09 | 2010-08-11 | 中兴通讯股份有限公司 | 一种多用户波束成形方法及装置 |
US10274581B2 (en) | 2012-06-14 | 2019-04-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for position determination |
EP2904832B1 (en) * | 2012-10-04 | 2018-08-22 | Telefonaktiebolaget LM Ericsson (publ) | A node and method for uplink detection with an assigned uplink physical layer identity |
KR102029102B1 (ko) | 2012-11-19 | 2019-11-11 | 삼성전자주식회사 | 빔포밍 시스템에서 빔 방향 선택 방법 및 장치 |
GB2513302A (en) | 2013-04-15 | 2014-10-29 | Inmarsat Global Ltd | Transmitter positioning for satellite communications |
WO2015027118A1 (en) * | 2013-08-22 | 2015-02-26 | Qualcomm Incorporated | Utilizing a reference signal for indoor positioning |
JP2016057165A (ja) | 2014-09-09 | 2016-04-21 | 富士通株式会社 | 無線通信装置及び推定方法 |
-
2015
- 2015-07-03 KR KR1020150095511A patent/KR102168183B1/ko active IP Right Grant
-
2016
- 2016-06-30 CN CN201680039516.4A patent/CN107710642B/zh active Active
- 2016-06-30 WO PCT/KR2016/007076 patent/WO2017007177A1/ko active Application Filing
- 2016-06-30 US US15/741,659 patent/US10236946B2/en active Active
- 2016-06-30 EP EP16821583.8A patent/EP3319242B1/en active Active
- 2016-06-30 JP JP2017567695A patent/JP6483293B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN107710642A (zh) | 2018-02-16 |
EP3319242B1 (en) | 2020-08-12 |
KR102168183B1 (ko) | 2020-10-20 |
EP3319242A4 (en) | 2019-03-27 |
US20180205421A1 (en) | 2018-07-19 |
CN107710642B (zh) | 2021-04-09 |
WO2017007177A1 (ko) | 2017-01-12 |
US10236946B2 (en) | 2019-03-19 |
JP2018524919A (ja) | 2018-08-30 |
KR20170004744A (ko) | 2017-01-11 |
EP3319242A1 (en) | 2018-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6483293B2 (ja) | 端末の方向推定のためのビーム生成装置及び方法 | |
US9577737B2 (en) | Antenna apparatus and method for beam forming thereof | |
US8933840B2 (en) | Control method of wireless communication system, wireless communication system, wireless communication apparatus, and adjustment method of array weight vector | |
US10405360B2 (en) | Method and equipment for establishing millimetre connection | |
US9338662B2 (en) | Method for inter-beam interference reduction using cross polarization and method for transmitting/receiving signal | |
US10158433B2 (en) | System and method for characterization of multi-element antenna | |
EP3301825B1 (en) | Location estimation system, location estimation method, and base station control device | |
US7433322B1 (en) | Method and system for measuring the time-of-flight of a radio signal | |
KR20130011993A (ko) | 무선 통신 시스템에서 랜덤 액세스를 위한 정보를 송수신하는 방법 및 장치 | |
US10554277B2 (en) | Access node, user node and method for determining at least one beamforming parameter | |
WO2019010714A1 (zh) | 一种波束成形方法及设备 | |
KR20190041950A (ko) | 고집적 배열 안테나를 이용하는 무선 전력 송신기, 컴팩트 mimo 안테나를 이용하는 무선 전력 송신기 및 무선 전력 송신 시스템 | |
KR102281781B1 (ko) | 안테나 신호 도래각 추정장치 및 방법 | |
EP2887562A1 (en) | Method to establish mm-wave links with adaptive antennas | |
Nawaz et al. | Auxiliary beam pair enabled initial access in mmwave systems: Analysis and design insights | |
JP2007142877A (ja) | 移動局および基地局並びに信号伝送方法 | |
Park et al. | Dynamic beam steering using directional antennas in mmwave wireless networks | |
KR20160114978A (ko) | 고지향성 어레이 안테나의 빔 포밍 장치 및 시스템 | |
Kato et al. | Accurate beam tracking scheme for V2N transmission using vehicle logs | |
WO2020158103A1 (ja) | アクティブアンテナ制御装置、その制御方法、及び、プログラムが格納された非一時的なコンピュータ可読媒体 | |
KR102003935B1 (ko) | 어레이 안테나 빔포밍 장치 및 방법 | |
Li et al. | Predictive tracking implementation for mobile communication using programmable metasurface | |
KR20220045833A (ko) | 코드북 생성 시스템 및 이의 동작 방법 | |
KR20160122582A (ko) | 빔 패턴 설정 기반 고속 빔포밍 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181002 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181228 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190115 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190213 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6483293 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |