WO2013062362A8 - 무선 통신 시스템에서 셀간 간섭 조정 방법 및 장치 - Google Patents

무선 통신 시스템에서 셀간 간섭 조정 방법 및 장치 Download PDF

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Publication number
WO2013062362A8
WO2013062362A8 PCT/KR2012/008874 KR2012008874W WO2013062362A8 WO 2013062362 A8 WO2013062362 A8 WO 2013062362A8 KR 2012008874 W KR2012008874 W KR 2012008874W WO 2013062362 A8 WO2013062362 A8 WO 2013062362A8
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Prior art keywords
cell
abs
wireless communication
communication system
cell interference
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PCT/KR2012/008874
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English (en)
French (fr)
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WO2013062362A1 (ko
Inventor
김은선
박한준
서한별
이승민
김기준
김병훈
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엘지전자 주식회사
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Priority to US14/354,514 priority Critical patent/US9686058B2/en
Publication of WO2013062362A1 publication Critical patent/WO2013062362A1/ko
Publication of WO2013062362A8 publication Critical patent/WO2013062362A8/ko

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    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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
    • 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
    • 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
    • H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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 signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • 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
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/27—Control channels or signalling for resource management between access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • 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
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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

Abstract

본 발명의 일 실시예에 따른 제 1 셀에서 r-ABS(reduce power-Almost Blank Subframe) 설정 정보를 제 2 셀에게 전송하는 방법은, 복수개의 서브프레임 중에서 상기 제 1 셀이 설정한 상기 r-ABS를 지시하는 r-ABS 패턴 정보, 및 상기 r-ABS에서의 상기 제 1 셀의 PDSCH(Physical Downlink Shared Channel) 전송 전력을 지시하는 r-ABS 전력 지시 정보를 상기 제 2 셀에게 전송하는 단계를 포함하고, 상기 제 1 셀의 PDSCH 전송 전력은 일반 서브프레임에 비하여 낮은 전송 전력으로 설정될 수 있다.
PCT/KR2012/008874 2011-10-26 2012-10-26 무선 통신 시스템에서 셀간 간섭 조정 방법 및 장치 WO2013062362A1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/354,514 US9686058B2 (en) 2011-10-26 2012-10-26 Method and apparatus for controlling inter-cell interference in wireless communication system

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201161551449P 2011-10-26 2011-10-26
US61/551,449 2011-10-26
US201261596130P 2012-02-07 2012-02-07
US61/596,130 2012-02-07
US201261600704P 2012-02-19 2012-02-19
US61/600,704 2012-02-19
US201261601517P 2012-02-21 2012-02-21
US61/601,517 2012-02-21

Publications (2)

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WO2013062362A1 WO2013062362A1 (ko) 2013-05-02
WO2013062362A8 true WO2013062362A8 (ko) 2014-05-22

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PCT/KR2012/008863 WO2013062356A2 (ko) 2011-10-26 2012-10-26 무선 통신 시스템에서 셀간 간섭 조정 방법 및 장치
PCT/KR2012/008874 WO2013062362A1 (ko) 2011-10-26 2012-10-26 무선 통신 시스템에서 셀간 간섭 조정 방법 및 장치
PCT/KR2012/008862 WO2013062355A1 (ko) 2011-10-26 2012-10-26 무선 통신 시스템에서 셀간 간섭 조정 방법 및 장치
PCT/KR2012/008861 WO2013062354A2 (ko) 2011-10-26 2012-10-26 무선 통신 시스템에서 셀간 간섭 조정 방법 및 장치

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PCT/KR2012/008861 WO2013062354A2 (ko) 2011-10-26 2012-10-26 무선 통신 시스템에서 셀간 간섭 조정 방법 및 장치

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US20140301332A1 (en) 2014-10-09
US9838175B2 (en) 2017-12-05
US20140254537A1 (en) 2014-09-11
WO2013062354A9 (ko) 2015-02-05
US9686058B2 (en) 2017-06-20
US20140286283A1 (en) 2014-09-25
US9225485B2 (en) 2015-12-29
US9520970B2 (en) 2016-12-13
US20140293820A1 (en) 2014-10-02

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