KR20150136548A - 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법 - Google Patents

분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법 Download PDF

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Publication number
KR20150136548A
KR20150136548A KR1020157033311A KR20157033311A KR20150136548A KR 20150136548 A KR20150136548 A KR 20150136548A KR 1020157033311 A KR1020157033311 A KR 1020157033311A KR 20157033311 A KR20157033311 A KR 20157033311A KR 20150136548 A KR20150136548 A KR 20150136548A
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South Korea
Prior art keywords
dido
channel
base station
mas
antenna
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KR1020157033311A
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English (en)
Korean (ko)
Inventor
안토니오 포렌자
로버트 더블유. 주니어 헤스
스테펜 지. 펄먼
로저 반더란
존 스펙
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리어덴 엘엘씨
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Priority claimed from US11/894,540 external-priority patent/US7636381B2/en
Priority claimed from US11/894,362 external-priority patent/US7633994B2/en
Priority claimed from US11/894,394 external-priority patent/US7599420B2/en
Application filed by 리어덴 엘엘씨 filed Critical 리어덴 엘엘씨
Publication of KR20150136548A publication Critical patent/KR20150136548A/ko

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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
    • H04B7/0452—Multi-user MIMO 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
    • 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
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0684—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 using different training sequences per antenna
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—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 pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter
    • H04J11/0033—Interference mitigation or co-ordination of multi-user interference at the transmitter by pre-cancellation of known interference, e.g. using a matched filter, dirty paper coder or Thomlinson-Harashima precoder
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
KR1020157033311A 2007-08-20 2008-08-20 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법 KR20150136548A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US11/894,394 2007-08-20
US11/894,540 US7636381B2 (en) 2004-07-30 2007-08-20 System and method for distributed input-distributed output wireless communications
US11/894,362 US7633994B2 (en) 2004-07-30 2007-08-20 System and method for distributed input-distributed output wireless communications
US11/894,540 2007-08-20
US11/894,394 US7599420B2 (en) 2004-07-30 2007-08-20 System and method for distributed input distributed output wireless communications
US11/894,362 2007-08-20
PCT/US2008/073780 WO2009026400A1 (en) 2007-08-20 2008-08-20 System and method for distributed input distributed output wireless communications

Related Parent Applications (1)

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KR1020157002560A Division KR101598324B1 (ko) 2007-08-20 2008-08-20 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법

Related Child Applications (1)

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KR1020167032590A Division KR101805345B1 (ko) 2007-08-20 2008-08-20 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법

Publications (1)

Publication Number Publication Date
KR20150136548A true KR20150136548A (ko) 2015-12-07

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KR1020157002560A KR101598324B1 (ko) 2007-08-20 2008-08-20 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법
KR1020167032590A KR101805345B1 (ko) 2007-08-20 2008-08-20 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법
KR1020157033311A KR20150136548A (ko) 2007-08-20 2008-08-20 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법

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KR1020157002560A KR101598324B1 (ko) 2007-08-20 2008-08-20 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법
KR1020167032590A KR101805345B1 (ko) 2007-08-20 2008-08-20 분산형 입력 분산형 출력 무선 통신을 위한 시스템 및 방법

Country Status (5)

Country Link
JP (5) JP2013251915A (ja)
KR (3) KR101598324B1 (ja)
CN (3) CN103036839B (ja)
CA (2) CA2937021C (ja)
RU (4) RU2578206C2 (ja)

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CA2937021C (en) 2019-01-08
CA3025857C (en) 2022-10-18
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JP2015111849A (ja) 2015-06-18
RU2700568C2 (ru) 2019-09-18
JP6055524B2 (ja) 2016-12-27
RU2011131822A (ru) 2013-02-10
RU2016107617A3 (ja) 2019-06-25
JP6922027B2 (ja) 2021-08-18
CN103036839A (zh) 2013-04-10
KR101805345B1 (ko) 2018-01-10
CA2937021A1 (en) 2009-02-26
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JP2013251915A (ja) 2013-12-12
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CA3025857A1 (en) 2009-02-26
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RU2580324C2 (ru) 2016-04-10
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