WO2011025178A3 - 무선랜 시스템에서의 변조 및 코딩 방식 설정 방법 및 이를 지원하는 장치 - Google Patents

무선랜 시스템에서의 변조 및 코딩 방식 설정 방법 및 이를 지원하는 장치 Download PDF

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Publication number
WO2011025178A3
WO2011025178A3 PCT/KR2010/005465 KR2010005465W WO2011025178A3 WO 2011025178 A3 WO2011025178 A3 WO 2011025178A3 KR 2010005465 W KR2010005465 W KR 2010005465W WO 2011025178 A3 WO2011025178 A3 WO 2011025178A3
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WIPO (PCT)
Prior art keywords
same
coding scheme
interfaces
mcs
apparatus supporting
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PCT/KR2010/005465
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English (en)
French (fr)
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WO2011025178A2 (ko
Inventor
석용호
Original Assignee
엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to CA2772046A priority Critical patent/CA2772046C/en
Priority to US13/392,837 priority patent/US8824400B2/en
Priority to AU2010287241A priority patent/AU2010287241B8/en
Publication of WO2011025178A2 publication Critical patent/WO2011025178A2/ko
Publication of WO2011025178A3 publication Critical patent/WO2011025178A3/ko
Priority to US14/339,337 priority patent/US9025558B2/en
Priority to US14/686,590 priority patent/US9480055B2/en
Priority to US15/295,417 priority patent/US9629129B2/en
Priority to US15/463,576 priority patent/US9832760B2/en

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    • 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
    • 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
    • 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
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • H04B7/0697—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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

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

Abstract

MU-MIMO(Multi User-Mutlpe Input Multiple Output)를 지원하는 전송 스테이션에 의해 수행되는 MCS(Modulation and Coding Scheme) 설정 방법 및 이를 지원하는 스테이션을 제공한다. 본 발명에 따른 MCS 설정방법 및 이를 지원하는 스테이션은 전송스테이션의 복수의 TX/RX 인터페이스를 적어도 하나 이상의 TX/RX 인터페이스를 포함하는 하나 이상의 인터페이스 묶음으로 나누고, 인터페이스 묶음 단위로 MCS를 적용하여 하나 이상의 인터페이스 묶음에 포함되는 TX/RX 인터페이스를 통해 전송할 데이터 스트림을 변조하고, 상기 변조된 데이터 스트림을 공간 다중화하여 상기 복수의 TX/RX 인터페이스 각각을 통해 전송한다.
PCT/KR2010/005465 2009-08-27 2010-08-18 무선랜 시스템에서의 변조 및 코딩 방식 설정 방법 및 이를 지원하는 장치 WO2011025178A2 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA2772046A CA2772046C (en) 2009-08-27 2010-08-18 Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same
US13/392,837 US8824400B2 (en) 2009-08-27 2010-08-18 Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same
AU2010287241A AU2010287241B8 (en) 2009-08-27 2010-08-18 Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same
US14/339,337 US9025558B2 (en) 2009-08-27 2014-07-23 Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same
US14/686,590 US9480055B2 (en) 2009-08-27 2015-04-14 Method for setting modulation and coding scheme in wireless RAN system and apparatus supporting the same
US15/295,417 US9629129B2 (en) 2009-08-27 2016-10-17 Method for setting modulation and coding scheme in wireless RAN system and apparatus supporting the same
US15/463,576 US9832760B2 (en) 2009-08-27 2017-03-20 Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US23730009P 2009-08-27 2009-08-27
US61/237,300 2009-08-27
KR10-2010-0040590 2010-04-30
KR1020100040590A KR101296002B1 (ko) 2009-08-27 2010-04-30 무선랜 시스템에서의 변조 및 코딩 방식 설정 방법 및 이를 지원하는 장치

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/392,837 A-371-Of-International US8824400B2 (en) 2009-08-27 2010-08-18 Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same
US14/339,337 Continuation US9025558B2 (en) 2009-08-27 2014-07-23 Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same

Publications (2)

Publication Number Publication Date
WO2011025178A2 WO2011025178A2 (ko) 2011-03-03
WO2011025178A3 true WO2011025178A3 (ko) 2011-06-30

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PCT/KR2010/005465 WO2011025178A2 (ko) 2009-08-27 2010-08-18 무선랜 시스템에서의 변조 및 코딩 방식 설정 방법 및 이를 지원하는 장치

Country Status (5)

Country Link
US (5) US8824400B2 (ko)
KR (1) KR101296002B1 (ko)
AU (1) AU2010287241B8 (ko)
CA (1) CA2772046C (ko)
WO (1) WO2011025178A2 (ko)

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Also Published As

Publication number Publication date
US20170041913A1 (en) 2017-02-09
US9025558B2 (en) 2015-05-05
US20150223223A1 (en) 2015-08-06
WO2011025178A2 (ko) 2011-03-03
US9629129B2 (en) 2017-04-18
KR20110022524A (ko) 2011-03-07
US20140334413A1 (en) 2014-11-13
US20120155415A1 (en) 2012-06-21
US9832760B2 (en) 2017-11-28
CA2772046C (en) 2015-12-01
US20170196001A1 (en) 2017-07-06
AU2010287241B8 (en) 2014-10-09
KR101296002B1 (ko) 2013-08-14
AU2010287241A1 (en) 2012-03-29
AU2010287241B2 (en) 2014-09-25
US8824400B2 (en) 2014-09-02
US9480055B2 (en) 2016-10-25
CA2772046A1 (en) 2011-03-03

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