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WO2011068367A3 - 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치 - Google Patents

무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치 Download PDF

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Publication number
WO2011068367A3
WO2011068367A3 PCT/KR2010/008581 KR2010008581W WO2011068367A3 WO 2011068367 A3 WO2011068367 A3 WO 2011068367A3 KR 2010008581 W KR2010008581 W KR 2010008581W WO 2011068367 A3 WO2011068367 A3 WO 2011068367A3
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WO
WIPO (PCT)
Prior art keywords
base station
terminal
boundary
wireless communication
communication system
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PCT/KR2010/008581
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English (en)
French (fr)
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WO2011068367A2 (ko
Inventor
서한별
김학성
김병훈
김기준
김은선
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엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020127006376A priority Critical patent/KR101770209B1/ko
Priority to US13/497,090 priority patent/US9042925B2/en
Publication of WO2011068367A2 publication Critical patent/WO2011068367A2/ko
Publication of WO2011068367A3 publication Critical patent/WO2011068367A3/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • 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
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

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

Abstract

본 발명은 무선 통신 시스템에 대한 것으로, 보다 상세하게는 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 무선 통신 시스템에서 셀간 간섭을 저감하는 방법은, 제 1 기지국에서, 상기 제 1 기지국이 제 1 단말로 전송하는 하향링크 서브프레임의 경계(boundary)를 제 2 단말이 제 2 기지국으로부터 수신하는 하향링크 서브프레임의 경계와 일치시키는 단계, 상기 제 1 기지국에서, 상기 일치된 하향링크 서브프레임 경계에 비하여 상기 제 1 단말로부터 상기 제 1 기지국으로의 상향링크 서브프레임의 경계가 앞서는 시간을 나타내는 타이밍 어드밴스 정보를 획득하는 단계와, 상기 제 1 기지국에서, 상기 획득된 타이밍 어드밴스 정보에 기초하여 상기 제 1 단말에서 상기 제 1 기지국으로 상향링크 서브프레임을 전송하는 시점에 대해 상기 제 1 단말에게 지시하는 단계를 포함할 수 있고, 상기 지시를 받은 제 1 단말로부터 상기 제 1 기지국으로 전송되는 상향링크 서브프레임의 경계는 상기 제 2 단말이 상기 제 2 기지국으로 전송하는 상향링크 서브프레임의 경계와 일치할 수 있다.
PCT/KR2010/008581 2009-12-03 2010-12-02 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치 WO2011068367A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020127006376A KR101770209B1 (ko) 2009-12-03 2010-12-02 무선 통신 시스템에서 셀간 간섭 저감 방법 및 장치
US13/497,090 US9042925B2 (en) 2009-12-03 2010-12-02 Method and apparatus for reducing inter-cell interference in a wireless communication system

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US26615909P 2009-12-03 2009-12-03
US26615809P 2009-12-03 2009-12-03
US61/266,159 2009-12-03
US61/266,158 2009-12-03
US31770310P 2010-03-26 2010-03-26
US61/317,703 2010-03-26

Publications (2)

Publication Number Publication Date
WO2011068367A2 WO2011068367A2 (ko) 2011-06-09
WO2011068367A3 true WO2011068367A3 (ko) 2011-10-13

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US (1) US9042925B2 (ko)
KR (1) KR101770209B1 (ko)
WO (1) WO2011068367A2 (ko)

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