KR101950778B1 - 빔 포밍 기반의 무선통신시스템에서 다중 안테나 전송을 지원하기 위한 장치 및 방법 - Google Patents

빔 포밍 기반의 무선통신시스템에서 다중 안테나 전송을 지원하기 위한 장치 및 방법 Download PDF

Info

Publication number
KR101950778B1
KR101950778B1 KR1020120089389A KR20120089389A KR101950778B1 KR 101950778 B1 KR101950778 B1 KR 101950778B1 KR 1020120089389 A KR1020120089389 A KR 1020120089389A KR 20120089389 A KR20120089389 A KR 20120089389A KR 101950778 B1 KR101950778 B1 KR 101950778B1
Authority
KR
South Korea
Prior art keywords
reception
transmission
beam pattern
receiving end
information
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
Application number
KR1020120089389A
Other languages
English (en)
Korean (ko)
Other versions
KR20130019360A (ko
Inventor
설지윤
박정호
유현규
Original Assignee
삼성전자주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to CN201280039740.5A priority Critical patent/CN103733540B/zh
Priority to EP12824026.4A priority patent/EP2745426B1/en
Priority to JP2014525938A priority patent/JP6238304B2/ja
Priority to US13/587,739 priority patent/US9319124B2/en
Priority to PCT/KR2012/006535 priority patent/WO2013025070A2/en
Publication of KR20130019360A publication Critical patent/KR20130019360A/ko
Application granted granted Critical
Publication of KR101950778B1 publication Critical patent/KR101950778B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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 using feedback from receiving side
    • H04B7/0621Feedback content
    • H04B7/0628Diversity capabilities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0417Feedback systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0617Diversity 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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 using feedback from receiving side
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868Hybrid systems, i.e. switching and combining
    • H04B7/088Hybrid systems, i.e. switching and combining using beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0204Channel estimation of multiple channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020120089389A 2011-08-16 2012-08-16 빔 포밍 기반의 무선통신시스템에서 다중 안테나 전송을 지원하기 위한 장치 및 방법 Active KR101950778B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201280039740.5A CN103733540B (zh) 2011-08-16 2012-08-16 用于在波束成形的无线通信系统中支持多天线传输的装置和方法
EP12824026.4A EP2745426B1 (en) 2011-08-16 2012-08-16 Apparatus and method for supporting multi-antenna transmission in beamformed wireless communication system
JP2014525938A JP6238304B2 (ja) 2011-08-16 2012-08-16 ビームフォーミングベースの無線通信システムにおける多重アンテナ送信をサポートするための装置及び方法
US13/587,739 US9319124B2 (en) 2011-08-16 2012-08-16 Apparatus and method for supporting multi-antenna transmission in beamformed wireless communication system
PCT/KR2012/006535 WO2013025070A2 (en) 2011-08-16 2012-08-16 Apparatus and method for supporting multi-antenna transmission in beamformed wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110081150 2011-08-16
KR20110081150 2011-08-16

Publications (2)

Publication Number Publication Date
KR20130019360A KR20130019360A (ko) 2013-02-26
KR101950778B1 true KR101950778B1 (ko) 2019-02-21

Family

ID=47897530

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120089389A Active KR101950778B1 (ko) 2011-08-16 2012-08-16 빔 포밍 기반의 무선통신시스템에서 다중 안테나 전송을 지원하기 위한 장치 및 방법

Country Status (6)

Country Link
US (1) US9319124B2 (enExample)
EP (1) EP2745426B1 (enExample)
JP (1) JP6238304B2 (enExample)
KR (1) KR101950778B1 (enExample)
CN (1) CN103733540B (enExample)
WO (1) WO2013025070A2 (enExample)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102079629B1 (ko) * 2013-05-02 2020-02-21 삼성전자주식회사 무선 통신 시스템에서 하이브리드 빔포밍의 복잡도 개선을 위한 방법 및 장치
KR102079590B1 (ko) * 2013-05-03 2020-02-21 삼성전자주식회사 빔포밍을 사용하는 통신 시스템에서 채널 정보 측정 및 피드백을 위한 방법 및 장치
US9565677B2 (en) * 2013-06-14 2017-02-07 Panasonic Intellectual Property Management Co., Ltd. Wireless communication device
KR102078569B1 (ko) * 2013-12-27 2020-02-19 삼성전자 주식회사 무선 통신 시스템에서 빔 모드 운용을 위한 방법 장치
CN106105361A (zh) * 2014-03-25 2016-11-09 瑞典爱立信有限公司 随机接入前导码信号的发送和接收
ES2942160T3 (es) 2014-03-25 2023-05-30 Ericsson Telefon Ab L M Formato de preámbulo PRACH mejorado
KR102234740B1 (ko) 2014-07-04 2021-04-02 삼성전자주식회사 셀룰러 통신 시스템에서 셀 탐색 방법 및 장치
US9363683B2 (en) * 2014-07-15 2016-06-07 Qualcomm Incorporated Asymmetric capability-driven methods for beam tracking in mm-wave access systems
US9681309B2 (en) * 2014-08-05 2017-06-13 Qualcomm Incorporated Methods exploiting asymmetric capabilities for contention-based random access in mm-wave access systems
KR102080037B1 (ko) * 2014-09-30 2020-04-07 텔레폰악티에볼라겟엘엠에릭슨(펍) 무선 통신 네트워크에서 신호를 수신하고 송신하기 위한 액세스 노드 및 빔 형성 방법
WO2016141975A1 (en) * 2015-03-10 2016-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Uncertainty dependent beamforming configuration control
US9906285B2 (en) * 2015-05-26 2018-02-27 Maxlinear, Inc. Method and system for hybrid radio frequency digital beamforming
CN106303908B (zh) 2015-05-29 2019-11-29 北京智谷睿拓技术服务有限公司 设备间通信方法及设备间通信装置
CN106303910B (zh) 2015-05-29 2020-01-10 北京智谷睿拓技术服务有限公司 设备间通信控制方法及控制装置
CN106303909A (zh) * 2015-05-29 2017-01-04 北京智谷睿拓技术服务有限公司 设备间通信控制方法、设备间通信方法、及其装置
CN106303911B (zh) 2015-05-29 2020-09-01 北京智谷睿拓技术服务有限公司 干扰测量方法及干扰测量装置
CN106303912A (zh) 2015-05-29 2017-01-04 北京智谷睿拓技术服务有限公司 设备间通信控制方法及控制装置
JP6441765B2 (ja) * 2015-08-07 2018-12-19 日本電信電話株式会社 無線通信システム、基地局装置及び無線通信方法
US10333608B2 (en) * 2015-08-27 2019-06-25 Intel IP Corporation Inter-beam mobility control in MIMO communication systems
CN108141257B (zh) * 2015-10-05 2021-06-29 瑞典爱立信有限公司 考虑从上行链路参考信号波束成形产生的有效下行链路信道的方法和装置
KR101750656B1 (ko) * 2015-10-06 2017-06-26 한국과학기술원 매시브 안테나 기반의 패턴/편파 빔 분할 다중 접속 방법 및 이를 수행하는 장치
US9853702B1 (en) * 2016-01-13 2017-12-26 Keysight Technologies, Inc. Methods for channel estimation in OFDMA based hybrid beamforming (HBF) systems
JP6997701B2 (ja) 2016-03-25 2022-01-18 株式会社Nttドコモ 端末、基地局及び無線通信方法
CN108886398B (zh) * 2016-03-25 2022-04-26 株式会社Ntt都科摩 用户终端、无线基站以及无线通信方法
US10917158B2 (en) 2016-05-26 2021-02-09 Qualcomm Incorporated System and method for beam switching and reporting
US10181891B2 (en) 2016-05-26 2019-01-15 Qualcomm Incorporated System and method for beam switching and reporting
US10541741B2 (en) 2016-05-26 2020-01-21 Qualcomm Incorporated System and method for beam switching and reporting
US10651899B2 (en) 2016-05-26 2020-05-12 Qualcomm Incorporated System and method for beam switching and reporting
US10498406B2 (en) 2016-05-26 2019-12-03 Qualcomm Incorporated System and method for beam switching and reporting
EP3261176A3 (en) 2016-06-24 2018-03-21 ASUSTek Computer Inc. Method and apparatus for ue beamforming and beam sweeping in a wireless communication system
EP3267592B1 (en) * 2016-07-05 2023-06-07 ASUSTek Computer Inc. Method and apparatus for transmissions via multiple beams in a wireless communication system
US10887868B2 (en) 2016-07-22 2021-01-05 Asustek Computer Inc. Method and apparatus for transmission or reception using beamforming in a wireless communication system
JP6634982B2 (ja) 2016-07-29 2020-01-22 ソニー株式会社 端末装置、基地局、方法及び記録媒体
GB2552953A (en) 2016-08-12 2018-02-21 Nec Corp Communication system
KR102760588B1 (ko) * 2016-09-06 2025-02-03 삼성전자주식회사 무선 통신 시스템에서 셀을 선택하기 위한 장치 및 방법
US11184057B2 (en) * 2016-09-06 2021-11-23 Samsung Electronics Co., Ltd. Apparatus and method for selecting cell in wireless communication system
CN109792618B (zh) 2016-09-22 2022-07-29 瑞典爱立信有限公司 具有定时未对准的有效上行链路测量信号接收和传输窗口分配
JP2020502831A (ja) * 2016-09-29 2020-01-23 オッポ広東移動通信有限公司 信号送信方法、端末機器およびネットワーク機器
CN107888244B (zh) * 2016-09-30 2021-08-20 中兴通讯股份有限公司 一种无线通信系统中实现用户面功能增强的方法和装置
EP3518608A4 (en) 2016-09-30 2019-08-21 Guangdong Oppo Mobile Telecommunications Corp., Ltd. SIGNAL TRANSMISSION PROCESS AND DEVICE
KR102676911B1 (ko) * 2016-10-31 2024-06-19 에스케이텔레콤 주식회사 빔포밍 기반의 무선 자원 할당방법 및 이를 위한 장치
US11212718B2 (en) * 2016-12-26 2021-12-28 Samsung Electronics Co., Ltd. User equipment (UE) and method for performing random access for beamforming-based connected mode handover
WO2018120102A1 (zh) 2016-12-30 2018-07-05 广东欧珀移动通信有限公司 波束选择方法、装置及系统
KR102345772B1 (ko) * 2017-01-09 2021-12-31 소니 모바일 커뮤니케이션즈 인크. 기지국 제어 빔 관리
CN108347272B (zh) * 2017-01-25 2020-12-15 华为技术有限公司 一种基于波束组进行通信的方法及设备
SG11201907187VA (en) * 2017-02-13 2019-09-27 Guangdong Oppo Mobile Telecommunications Corp Ltd Wireless communication method, terminal device and network device
BR112019018902A2 (pt) * 2017-03-17 2020-04-14 Guangdong Oppo Mobile Telecommunications Corp Ltd método de comunicação sem fios, e dispositivo terminal
CN112260732B (zh) * 2017-03-24 2022-08-16 维沃移动通信有限公司 一种波束处理方法、基站及终端
CN109802712B (zh) * 2017-11-17 2021-08-13 华为技术有限公司 一种用户设备、接入设备和预编码方法
CN109391943A (zh) * 2018-09-03 2019-02-26 青岛海信电器股份有限公司 一种波束成形能力的匹配方法及通信设备
CN110913477B (zh) * 2018-09-14 2023-01-06 成都华为技术有限公司 管理资源的方法和通信装置
CN109474549B (zh) * 2018-12-04 2021-08-17 青岛矽昌通信技术有限公司 一种基于三维波束图案的三维信道估计方法
JP6888663B2 (ja) * 2019-12-03 2021-06-16 ソニーグループ株式会社 端末装置、基地局、方法及び記録媒体
JP7616738B2 (ja) * 2020-02-06 2025-01-17 華為技術有限公司 シンボル配列を成形するための通信デバイス
KR102370663B1 (ko) 2020-08-06 2022-03-04 국방과학연구소 전자공격 신호 송신 방법 및 장치
EP4476839A4 (en) * 2022-02-11 2025-12-03 Beammwave Ab METHOD FOR ARRANGEMENT OF MULTI-ANTENNA RECEIVERS, COMPUTER PROGRAM PRODUCT, ARRANGEMENT OF MULTI-ANTENNA RECEIVERS, AND WIRELESS DEVICE
US20250183959A1 (en) 2022-04-19 2025-06-05 Beammwave Ab Method for a Multi-antenna Transmitter and Receiver Arrangement, a Computer Program Product, a Multi-Antenna Transmitter and Receiver Arrangement, a Wireless Device, and a Transceiver Node
WO2023239276A1 (en) 2022-06-10 2023-12-14 Beammwave Ab A method of obtaining a capability and pre-coding a data packet for a multi-antenna transmitter and receiver arrangement, a computer program product, a non-transitory computer-readable storage medium a wireless device, and a transceiver node
US20250365571A1 (en) 2022-06-10 2025-11-27 Beammwave Ab Method of obtaining a capability for a multi-antenna transmitter and receiver arrangement, a computer program product, a non-transitory computer-readable storage medium, a wireless device, and a transceiver node
WO2024091167A1 (en) 2022-10-28 2024-05-02 Beammwave Ab A wireless device comprising sensors, a system, a method, computer program products, and a non-transitory computer-readable storage medium therefor
WO2024091166A1 (en) 2022-10-28 2024-05-02 Beammwave Ab A wireless device comprising indicators, a method, a computer program product, and a non-transitory computer-readable storage medium therefor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040121810A1 (en) * 2002-12-23 2004-06-24 Bo Goransson Using beamforming and closed loop transmit diversity in a multi-beam antenna system
US20080043874A1 (en) * 2006-08-21 2008-02-21 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving feedback information in a multi-user MIMO system, and system thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7181245B2 (en) 2002-06-27 2007-02-20 Nortel Networks Limited Wireless transmitter, transceiver and method
KR100981554B1 (ko) * 2003-11-13 2010-09-10 한국과학기술원 다중 송수신 안테나들을 구비하는 이동통신시스템에서,송신 안테나들을 그룹핑하여 신호를 전송하는 방법
EP1705807B1 (en) * 2003-12-31 2017-10-25 ZTE Corporation Method for an antenna array transmitting link
KR20050120441A (ko) 2004-06-18 2005-12-22 삼성전자주식회사 다중 안테나를 사용하는 이동통신 시스템의 송신다이버시티 장치 및 방법
US20060264184A1 (en) * 2005-02-17 2006-11-23 Interdigital Technology Corporation Method and apparatus for selecting a beam combination of multiple-input multiple-output antennas
KR20070067910A (ko) * 2005-12-26 2007-06-29 삼성전자주식회사 시공간 무선 통신 시스템에서 다이버시티 및 멀티플렉싱 및빔포밍 신호 송수신 장치 및 방법
WO2007111266A1 (ja) * 2006-03-24 2007-10-04 Matsushita Electric Industrial Co., Ltd. 無線通信端末装置及び無線通信基地局装置
US8036669B2 (en) 2006-04-20 2011-10-11 Qualcomm Incorporated Orthogonal resource reuse with SDMA beams
WO2008118474A2 (en) 2007-03-26 2008-10-02 Sibeam, Inc. Extensions to adaptive beam-steering method
CN101350648A (zh) * 2007-07-20 2009-01-21 大唐移动通信设备有限公司 一种实现发射的方法、系统及发射机
US8351521B2 (en) * 2008-03-17 2013-01-08 Qualcomm Incorporated Multi-resolution beamforming based on codebooks in MIMO systems
JP5434137B2 (ja) * 2009-02-26 2014-03-05 ソニー株式会社 通信装置及び通信方法、コンピューター・プログラム、通信システム、並びに情報処理装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040121810A1 (en) * 2002-12-23 2004-06-24 Bo Goransson Using beamforming and closed loop transmit diversity in a multi-beam antenna system
US20080043874A1 (en) * 2006-08-21 2008-02-21 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving feedback information in a multi-user MIMO system, and system thereof

Also Published As

Publication number Publication date
EP2745426B1 (en) 2020-02-05
US20130045690A1 (en) 2013-02-21
CN103733540B (zh) 2018-01-16
EP2745426A2 (en) 2014-06-25
EP2745426A4 (en) 2015-04-01
CN103733540A (zh) 2014-04-16
JP2014524705A (ja) 2014-09-22
WO2013025070A3 (en) 2013-04-25
US9319124B2 (en) 2016-04-19
WO2013025070A2 (en) 2013-02-21
KR20130019360A (ko) 2013-02-26
JP6238304B2 (ja) 2017-11-29

Similar Documents

Publication Publication Date Title
KR101950778B1 (ko) 빔 포밍 기반의 무선통신시스템에서 다중 안테나 전송을 지원하기 위한 장치 및 방법
US9998929B2 (en) Apparatus and method for beamforming gain difference compensation according to change of transmitting and receiving beam pattern in beamforming based wireless communication system
KR101828836B1 (ko) 빔 포밍 기반의 무선통신시스템에서 빔 스캐닝을 통한 스케줄링 장치 및 방법
JP6386472B2 (ja) ビームフォーミングに基づいた無線通信システムにおけるアップリンク電力制御方法及び装置
AU2013297246B2 (en) Communication method and device using beamforming in wireless communication system
KR101966724B1 (ko) 빔 포밍 기반의 무선통신시스템에서 빔을 선택하기 위한 장치 및 방법
US8843150B2 (en) Beamforming method and apparatus for acquiring transmission beam diversity in a wireless communication system
US9178597B2 (en) Method of updating transmission channel information based on eaves-dropping of beamformed signals

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000