KR102746631B1 - 비허가 스펙트럼에서 ｃｒｓ 및 ｄｍ­ｒｓ 기반 송신 모드들 사이의 조화를 위한 기법들 - Google Patents

비허가 스펙트럼에서 ｃｒｓ 및 ｄｍ­ｒｓ 기반 송신 모드들 사이의 조화를 위한 기법들 Download PDF

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KR102746631B1
KR102746631B1 KR1020187003973A KR20187003973A KR102746631B1 KR 102746631 B1 KR102746631 B1 KR 102746631B1 KR 1020187003973 A KR1020187003973 A KR 1020187003973A KR 20187003973 A KR20187003973 A KR 20187003973A KR 102746631 B1 KR102746631 B1 KR 102746631B1
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South Korea
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subframe
unlicensed spectrum
crs
downlink
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KR20180039070A (ko
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피터 갈
스리니바스 예라말리
두르가 프라사드 말라디
용빈 웨이
알렉세이 유리에비치 고로코브
브라이언 바니스터
마이클 리 맥클라우드
타오 루오
수프라틱 바타차르지
청진 장
라비 테자 수카바시
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퀄컴 인코포레이티드
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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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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 signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • 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
    • 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
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020187003973A 2015-08-10 2016-08-10 비허가 스펙트럼에서 ｃｒｓ 및 ｄｍ­ｒｓ 기반 송신 모드들 사이의 조화를 위한 기법들 Active KR102746631B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562203295P 2015-08-10 2015-08-10
US62/203,295 2015-08-10
US15/232,672 US10999886B2 (en) 2015-08-10 2016-08-09 Techniques for harmonization between CRS and DM-RS based transmission modes in unlicensed spectrum
US15/232,672 2016-08-09
PCT/US2016/046322 WO2017027575A2 (en) 2015-08-10 2016-08-10 Techniques for harmonization between crs and dm-rs based transmission modes in unlicensed spectrum

Publications (2)

Publication Number Publication Date
KR20180039070A KR20180039070A (ko) 2018-04-17
KR102746631B1 true KR102746631B1 (ko) 2024-12-24

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Country Link
US (1) US10999886B2 (enExample)
EP (1) EP3335358B1 (enExample)
JP (1) JP6907189B2 (enExample)
KR (1) KR102746631B1 (enExample)
CN (1) CN107852317B (enExample)
RU (1) RU2721169C2 (enExample)
TW (1) TWI730976B (enExample)
WO (1) WO2017027575A2 (enExample)

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RU2018104838A3 (enExample) 2020-03-13
EP3335358A2 (en) 2018-06-20
CN107852317B (zh) 2022-02-01
JP2018529260A (ja) 2018-10-04
US20170048919A1 (en) 2017-02-16
TWI730976B (zh) 2021-06-21
RU2721169C2 (ru) 2020-05-18
WO2017027575A3 (en) 2017-03-23
BR112018002551A2 (pt) 2018-09-18
CN107852317A (zh) 2018-03-27
EP3335358B1 (en) 2024-11-27
US10999886B2 (en) 2021-05-04
JP6907189B2 (ja) 2021-07-21
RU2018104838A (ru) 2019-09-12
KR20180039070A (ko) 2018-04-17
WO2017027575A2 (en) 2017-02-16
TW201709758A (zh) 2017-03-01

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