WO2011071329A3 - 무선 통신 시스템에서 셀간 간섭을 저감하는 방법 및 장치 - Google Patents

무선 통신 시스템에서 셀간 간섭을 저감하는 방법 및 장치 Download PDF

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Publication number
WO2011071329A3
WO2011071329A3 PCT/KR2010/008823 KR2010008823W WO2011071329A3 WO 2011071329 A3 WO2011071329 A3 WO 2011071329A3 KR 2010008823 W KR2010008823 W KR 2010008823W WO 2011071329 A3 WO2011071329 A3 WO 2011071329A3
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WIPO (PCT)
Prior art keywords
cell
wireless communication
communication system
reducing inter
cell interference
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PCT/KR2010/008823
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English (en)
French (fr)
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WO2011071329A2 (ko
Inventor
김학성
서한별
이대원
김기준
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엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020127006377A priority Critical patent/KR101657125B1/ko
Priority to US13/497,488 priority patent/US8824968B2/en
Publication of WO2011071329A2 publication Critical patent/WO2011071329A2/ko
Publication of WO2011071329A3 publication Critical patent/WO2011071329A3/ko

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    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • 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]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
    • 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)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (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 단말이 제 2 셀로의 제 1 신호 전송을 위한 스케줄링 정보를 제 1 셀로부터 수신하는 단계; 및 상기 제 1 단말이 상기 스케줄링 정보에 기초하여 상기 제 2 셀로 상기 제 1 신호를 전송하는 단계를 포함할 수 있고, 상기 스케줄링 정보는 상기 제 1 셀의 상향링크 또는 하향링크 전송이 상기 제 2 셀의 상향링크 또는 하향링크 전송에 의해 간섭을 받는 경우에, 상기 제 1 셀에 의하여 제공되고, 상기 제 1 신호는 상기 제 2 셀 또는 상기 제 2 셀에 의해 서빙받는 제 2 단말의 전송 전력의 감소 요청을 나타낼 수 있다.
PCT/KR2010/008823 2009-12-10 2010-12-10 무선 통신 시스템에서 셀간 간섭을 저감하는 방법 및 장치 WO2011071329A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020127006377A KR101657125B1 (ko) 2009-12-10 2010-12-10 무선 통신 시스템에서 셀간 간섭을 저감하는 방법 및 장치
US13/497,488 US8824968B2 (en) 2009-12-10 2010-12-10 Method and apparatus for reducing inter-cell interference in a wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28551809P 2009-12-10 2009-12-10
US61/285,518 2009-12-10

Publications (2)

Publication Number Publication Date
WO2011071329A2 WO2011071329A2 (ko) 2011-06-16
WO2011071329A3 true WO2011071329A3 (ko) 2011-11-10

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US (1) US8824968B2 (ko)
KR (1) KR101657125B1 (ko)
WO (1) WO2011071329A2 (ko)

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US8824968B2 (en) 2014-09-02

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