WO2010117169A3 - 무선 통신 시스템에서의 mimo 모드 변경 장치 및 방법 - Google Patents

무선 통신 시스템에서의 mimo 모드 변경 장치 및 방법 Download PDF

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Publication number
WO2010117169A3
WO2010117169A3 PCT/KR2010/002067 KR2010002067W WO2010117169A3 WO 2010117169 A3 WO2010117169 A3 WO 2010117169A3 KR 2010002067 W KR2010002067 W KR 2010002067W WO 2010117169 A3 WO2010117169 A3 WO 2010117169A3
Authority
WO
WIPO (PCT)
Prior art keywords
mimo mode
user equipment
mimo
time duration
determination unit
Prior art date
Application number
PCT/KR2010/002067
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English (en)
French (fr)
Other versions
WO2010117169A2 (ko
Inventor
송국진
이승현
전형준
김일년
김광성
Original Assignee
주식회사 세아네트웍스
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 주식회사 세아네트웍스 filed Critical 주식회사 세아네트웍스
Priority to US13/263,695 priority Critical patent/US8705451B2/en
Publication of WO2010117169A2 publication Critical patent/WO2010117169A2/ko
Publication of WO2010117169A3 publication Critical patent/WO2010117169A3/ko

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Classifications

    • 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
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
    • 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
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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
    • H04B7/06—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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/0697—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 spatial multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

단말에 대한 MIMO 모드를 효율적으로 변경할 수 있는 본 발명의 일 측면에 따른 MIMO 모드 변경 장치는 단말의 현재 MIMO 모드를 판단하는 MIMO 모드 판단부; 상기 MIMO 모드 판단부에 의해 상기 단말의 현재 MIMO 모드가 복수개의 안테나를 통해 동일한 데이터를 전송하는 제1 MIMO 모드로 판단되면 상기 단말의 제1 MIMO 모드에서의 제1 유지시간을 판단하고, 상기 MIMO 모드 판단부에 의해 상기 단말의 현재 MIMO 모드가 각 안테나 별로 다른 데이터를 전송하는 제2 MIMO 모드로 판단되면 상기 단말의 제2 MIMO 모드에서의 제2 유지시간을 판단하는 유지시간 판단부; 및 상기 제1 유지시간이 제1 임계 유지시간 이상이면 상기 단말의 MIMO 모드를 제2 MIMO 모드로 변경하는 MIMO 모드 변경부를 포함한다.
PCT/KR2010/002067 2009-04-08 2010-04-05 무선 통신 시스템에서의 mimo 모드 변경 장치 및 방법 WO2010117169A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/263,695 US8705451B2 (en) 2009-04-08 2010-04-05 Apparatus and method for switching MIMO modes in a wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090030266A KR101103136B1 (ko) 2009-04-08 2009-04-08 무선 통신 시스템에서의 ｍｉｍｏ 모드 변경 장치 및 방법
KR10-2009-0030266 2009-04-08

Publications (2)

Publication Number Publication Date
WO2010117169A2 WO2010117169A2 (ko) 2010-10-14
WO2010117169A3 true WO2010117169A3 (ko) 2011-01-06

Family

ID=42936692

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/002067 WO2010117169A2 (ko) 2009-04-08 2010-04-05 무선 통신 시스템에서의 mimo 모드 변경 장치 및 방법

Country Status (3)

Country Link
US (1) US8705451B2 (ko)
KR (1) KR101103136B1 (ko)
WO (1) WO2010117169A2 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2536241B1 (en) * 2010-02-12 2017-12-27 Fujitsu Limited Wireless communication device, wireless communication system and wireless communication method
ES2870902T3 (es) 2011-06-24 2021-10-28 Sun Patent Trust Dispositivo de transmisión, procedimiento de transmisión, dispositivo de recepción y procedimiento de recepción
US9538535B2 (en) 2015-05-11 2017-01-03 Qualcomm Incorporated Cross-band rate adaption
CN105657741B (zh) * 2016-02-18 2019-06-25 深圳市极致汇仪科技有限公司 WIFI综测仪中Switched MIMO帧同步处理方法
US11184906B1 (en) * 2018-08-08 2021-11-23 T-Mobile Innovations Llc Scheduling resources in massive MU-MIMO wireless networks
CN116088097B (zh) * 2023-04-12 2023-08-15 之江实验室 一种多边形多入多出模式转换器及设计方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003085876A1 (en) * 2002-04-01 2003-10-16 Intel Corporation A system and method of dynamically optimizing a transmission mode of wirelessly transmitted information
KR20050072772A (ko) * 2002-10-28 2005-07-12 퀄컴 인코포레이티드 무선 통신 시스템에서의 동작 모드 선택을 위한 속도 및위치 정보의 활용
KR20080043899A (ko) * 2006-11-15 2008-05-20 삼성전자주식회사 통신시스템에서 전송 모드 피드백을 위한 장치 및 방법
KR20090013140A (ko) * 2007-07-31 2009-02-04 삼성전자주식회사 무선 통신 시스템에서 다수의 다중 입력 다중 출력 모드를지원하는 장치 및 방법

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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2003085876A1 (en) * 2002-04-01 2003-10-16 Intel Corporation A system and method of dynamically optimizing a transmission mode of wirelessly transmitted information
KR20050072772A (ko) * 2002-10-28 2005-07-12 퀄컴 인코포레이티드 무선 통신 시스템에서의 동작 모드 선택을 위한 속도 및위치 정보의 활용
KR20080043899A (ko) * 2006-11-15 2008-05-20 삼성전자주식회사 통신시스템에서 전송 모드 피드백을 위한 장치 및 방법
KR20090013140A (ko) * 2007-07-31 2009-02-04 삼성전자주식회사 무선 통신 시스템에서 다수의 다중 입력 다중 출력 모드를지원하는 장치 및 방법

Also Published As

Publication number Publication date
US20120120873A1 (en) 2012-05-17
US8705451B2 (en) 2014-04-22
WO2010117169A2 (ko) 2010-10-14
KR20100111851A (ko) 2010-10-18
KR101103136B1 (ko) 2012-01-04

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