WO2016064169A3 - 무선 통신 시스템에서 무선 신호 송수신 방법 및 이를 위한 장치 - Google Patents

무선 통신 시스템에서 무선 신호 송수신 방법 및 이를 위한 장치 Download PDF

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Publication number
WO2016064169A3
WO2016064169A3 PCT/KR2015/011093 KR2015011093W WO2016064169A3 WO 2016064169 A3 WO2016064169 A3 WO 2016064169A3 KR 2015011093 W KR2015011093 W KR 2015011093W WO 2016064169 A3 WO2016064169 A3 WO 2016064169A3
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WO
WIPO (PCT)
Prior art keywords
wireless communication
wireless signal
transmitting
unlicensed band
communication system
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PCT/KR2015/011093
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English (en)
French (fr)
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WO2016064169A2 (ko
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박종현
서한별
안준기
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엘지전자(주)
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Application filed by 엘지전자(주) filed Critical 엘지전자(주)
Priority to US15/516,880 priority Critical patent/US10064066B2/en
Publication of WO2016064169A2 publication Critical patent/WO2016064169A2/ko
Publication of WO2016064169A3 publication Critical patent/WO2016064169A3/ko

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    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
    • H04B17/102—Power radiated at antenna
    • 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
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • 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
    • 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
    • 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
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

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

Abstract

무선 통신 시스템에서 무선 신호 송수신 방법 및 이를 위한 장치가 개시된다. 구체적으로, 무선 통신 시스템에서 무선 통신 장치가 비면허 대역(unlicensed band)에서 무선 신호를 송수신하는 방법에 있어서, 비면허 대역에서 미리 정해진 시간 구간 동안 CCA(Clear Channel Assessment)를 수행하는 단계 및 상기 비면허 대역이 다른 무선 통신 장치에 의해 점유되지 않은 유휴(idle) 상태로 판단된 경우, 상기 비면허 대역에서 무선 신호를 전송하는 단계를 포함하고, 상기 무선 통신 장치가 방향성 안테나(directional antenna)를 사용하는 경우, 상기 방향성 안테나(directional antenna)를 이용하여 상기 무선 신호를 송수신할 때의 CCA 범위(range)와 간섭 범위 간의 제1 격차는 전방향성 안테나(omni-directional)를 이용하여 상기 무선 신호를 송수신할 때의 상기 CCA 범위와 상기 간섭 범위 간의 제2 격차와 동일하게 조절될 수 있다.
PCT/KR2015/011093 2014-10-20 2015-10-20 무선 통신 시스템에서 무선 신호 송수신 방법 및 이를 위한 장치 WO2016064169A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/516,880 US10064066B2 (en) 2014-10-20 2015-10-20 Method for transmitting and receiving wireless signal in wireless communication system and apparatus therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462066341P 2014-10-20 2014-10-20
US62/066,341 2014-10-20

Publications (2)

Publication Number Publication Date
WO2016064169A2 WO2016064169A2 (ko) 2016-04-28
WO2016064169A3 true WO2016064169A3 (ko) 2016-06-09

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PCT/KR2015/011093 WO2016064169A2 (ko) 2014-10-20 2015-10-20 무선 통신 시스템에서 무선 신호 송수신 방법 및 이를 위한 장치

Country Status (2)

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US (1) US10064066B2 (ko)
WO (1) WO2016064169A2 (ko)

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US10064066B2 (en) 2018-08-28
WO2016064169A2 (ko) 2016-04-28

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