WO2012144801A3 - 무선통신시스템에서 신호 전송 방법 및 장치 - Google Patents

무선통신시스템에서 신호 전송 방법 및 장치 Download PDF

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Publication number
WO2012144801A3
WO2012144801A3 PCT/KR2012/002968 KR2012002968W WO2012144801A3 WO 2012144801 A3 WO2012144801 A3 WO 2012144801A3 KR 2012002968 W KR2012002968 W KR 2012002968W WO 2012144801 A3 WO2012144801 A3 WO 2012144801A3
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WO
WIPO (PCT)
Prior art keywords
unlicensed band
base station
wireless communication
communication system
transmitting
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.)
Ceased
Application number
PCT/KR2012/002968
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English (en)
French (fr)
Other versions
WO2012144801A2 (ko
Inventor
김학성
서한별
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Priority to KR1020137030346A priority Critical patent/KR101600487B1/ko
Priority to US14/112,225 priority patent/US9693264B2/en
Publication of WO2012144801A2 publication Critical patent/WO2012144801A2/ko
Publication of WO2012144801A3 publication Critical patent/WO2012144801A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
    • H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
    • H04J2211/005—Long term evolution [LTE]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
    • H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
    • H04J2211/006—Single carrier frequency division multiple access [SC FDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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

Abstract

본 발명의 실시예는, 무선통신시스템에서 기지국의 비 면허 대역 상으로의 신호 전송 방법에 관한 것으로써, 면허대역에서 물리하향링크제어채널(Physical Downlink Control CHannel, PDCCH)을 전송하는 단계; 상기 PDCCH가 전송되는 서브프레임에 대응되는, 상기 비 면허 대역의 시간구간 상에서 물리하향링크공용채널(Physical Downlink Control CHannel, PDSCH)를 전송하는 단계를 포함하며, 상기 기지국은 상기 PDSCH를 전송하기 위해 상기 비 면허 대역에 반송파 센싱을 수행하되, 상기 반송파 센싱 결과 상기 비 면허 대역이 사용 가능해진 시점이 미리 설정된 시점 이전인 경우, 상기 기지국은 상기 비 면허 대역이 사용 가능해진 시점부터 상기 미리 설정된 시점까지 예약 신호를 전송할 수 있다.
PCT/KR2012/002968 2011-04-18 2012-04-18 무선통신시스템에서 신호 전송 방법 및 장치 Ceased WO2012144801A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020137030346A KR101600487B1 (ko) 2011-04-18 2012-04-18 무선통신시스템에서 신호 전송 방법 및 장치
US14/112,225 US9693264B2 (en) 2011-04-18 2012-04-18 Signal transmission method and device in a wireless communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161476753P 2011-04-18 2011-04-18
US61/476,753 2011-04-18
US201161481706P 2011-05-02 2011-05-02
US61/481,706 2011-05-02

Publications (2)

Publication Number Publication Date
WO2012144801A2 WO2012144801A2 (ko) 2012-10-26
WO2012144801A3 true WO2012144801A3 (ko) 2013-01-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/002968 Ceased WO2012144801A2 (ko) 2011-04-18 2012-04-18 무선통신시스템에서 신호 전송 방법 및 장치

Country Status (3)

Country Link
US (1) US9693264B2 (ko)
KR (1) KR101600487B1 (ko)
WO (1) WO2012144801A2 (ko)

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CN107409438A (zh) * 2015-03-26 2017-11-28 华为技术有限公司 用于多模式多频谱中继的系统和方法
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