WO2011111988A3 - 상향링크 전송전력을 제어하기 위한 방법 및 장치 - Google Patents

상향링크 전송전력을 제어하기 위한 방법 및 장치 Download PDF

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Publication number
WO2011111988A3
WO2011111988A3 PCT/KR2011/001606 KR2011001606W WO2011111988A3 WO 2011111988 A3 WO2011111988 A3 WO 2011111988A3 KR 2011001606 W KR2011001606 W KR 2011001606W WO 2011111988 A3 WO2011111988 A3 WO 2011111988A3
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WO
WIPO (PCT)
Prior art keywords
uplink transmission
transmission power
receiving
controlling uplink
antenna
Prior art date
Application number
PCT/KR2011/001606
Other languages
English (en)
French (fr)
Other versions
WO2011111988A2 (ko
Inventor
박성호
강지원
김수남
임빈철
천진영
김기태
김동철
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US13/583,501 priority Critical patent/US8918135B2/en
Priority claimed from KR1020110020580A external-priority patent/KR20110102233A/ko
Publication of WO2011111988A2 publication Critical patent/WO2011111988A2/ko
Publication of WO2011111988A3 publication Critical patent/WO2011111988A3/ko

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Classifications

    • 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
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • 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
    • H04B17/345—Interference values
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • 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
    • H04B7/0417—Feedback 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
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • H04W52/386—TPC being performed in particular situations centralized, e.g. when the radio network controller or equivalent takes part in the power control
    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Abstract

본 명세서는 다중 분산 노드 시스템에서, 상향링크 전력제어를 수행하는 방법에 있어서, 적어도 하나의 안테나를 포함하는 복수의 안테나 노드들로부터 참조 신호를 수신하는 단계; 상기 복수의 안테나 노드들로부터 수신된 참조 신호의 수신 전력에 기초하여, 평균 전파 손실(Propagation Loss)을 추정하는 단계; 상기 복수의 안테나 노드들을 포함하는 기지국으로부터 잡음 및 간섭(Noise and Interference: NI) 정보를 하향링크 제어 채널을 통해 수신하는 단계; 및 상기 추정된 평균 전파 손실 및 상기 수신된 잡음 및 간섭 정보를 이용하여 상향링크 전송전력을 결정하는 단계를 포함하여 이루어진다.
PCT/KR2011/001606 2010-03-08 2011-03-08 상향링크 전송전력을 제어하기 위한 방법 및 장치 WO2011111988A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/583,501 US8918135B2 (en) 2010-03-08 2011-03-08 Method and apparatus for controlling uplink transmission power

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US31174610P 2010-03-08 2010-03-08
US61/311,746 2010-03-08
US31501410P 2010-03-18 2010-03-18
US61/315,014 2010-03-18
US38144510P 2010-09-10 2010-09-10
US61/381,445 2010-09-10
US40521410P 2010-10-21 2010-10-21
US61/405,214 2010-10-21
US201161441290P 2011-02-10 2011-02-10
US61/441,290 2011-02-10
KR10-2011-0020580 2011-03-08
KR1020110020580A KR20110102233A (ko) 2010-03-08 2011-03-08 상향링크 전송전력을 제어하기 위한 방법 및 장치

Publications (2)

Publication Number Publication Date
WO2011111988A2 WO2011111988A2 (ko) 2011-09-15
WO2011111988A3 true WO2011111988A3 (ko) 2012-03-01

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PCT/KR2011/001606 WO2011111988A2 (ko) 2010-03-08 2011-03-08 상향링크 전송전력을 제어하기 위한 방법 및 장치

Country Status (2)

Country Link
US (1) US8918135B2 (ko)
WO (1) WO2011111988A2 (ko)

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