KR101913988B1 - 채널 추정 향상들 - Google Patents

채널 추정 향상들 Download PDF

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Publication number
KR101913988B1
KR101913988B1 KR1020177011871A KR20177011871A KR101913988B1 KR 101913988 B1 KR101913988 B1 KR 101913988B1 KR 1020177011871 A KR1020177011871 A KR 1020177011871A KR 20177011871 A KR20177011871 A KR 20177011871A KR 101913988 B1 KR101913988 B1 KR 101913988B1
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South Korea
Prior art keywords
pilot
indication
pilot structure
circuit
module
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KR1020177011871A
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English (en)
Korean (ko)
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KR20170078661A (ko
Inventor
징 장
크리쉬나 키란 무카빌리
나가 부샨
팅팡 지
조셉 비나미라 소리아가
피터 갈
존 에드워드 스미
알렉세이 유리에비치 고로코브
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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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • 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
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • 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—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0096—Indication of changes in allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • 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
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020177011871A 2014-10-31 2015-10-22 채널 추정 향상들 Active KR101913988B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462073683P 2014-10-31 2014-10-31
US62/073,683 2014-10-31
US14/705,787 US9985802B2 (en) 2014-10-31 2015-05-06 Channel estimation enhancements
US14/705,787 2015-05-06
PCT/US2015/056980 WO2016069377A1 (en) 2014-10-31 2015-10-22 Channel estimation enhancements

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020187021427A Division KR102194588B1 (ko) 2014-10-31 2015-10-22 채널 추정 향상들

Publications (2)

Publication Number Publication Date
KR20170078661A KR20170078661A (ko) 2017-07-07
KR101913988B1 true KR101913988B1 (ko) 2018-10-31

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KR1020177011871A Active KR101913988B1 (ko) 2014-10-31 2015-10-22 채널 추정 향상들
KR1020187021427A Active KR102194588B1 (ko) 2014-10-31 2015-10-22 채널 추정 향상들

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US (3) US9985802B2 (enExample)
EP (3) EP3528427A1 (enExample)
JP (2) JP6487549B2 (enExample)
KR (2) KR101913988B1 (enExample)
CN (2) CN108923905B (enExample)
AU (2) AU2015339645B2 (enExample)
CU (1) CU20170055A7 (enExample)
PE (1) PE20170868A1 (enExample)
WO (1) WO2016069377A1 (enExample)

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US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation
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KR102816284B1 (ko) 2020-10-19 2025-06-04 바이어웍스 인코퍼레이티드 무선 통신 시스템에서의 참조 신호
WO2022093988A1 (en) 2020-10-30 2022-05-05 XCOM Labs, Inc. Clustering and/or rate selection in multiple-input multiple-output communication systems
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Also Published As

Publication number Publication date
AU2018208681A1 (en) 2018-08-09
US10623208B2 (en) 2020-04-14
PE20170868A1 (es) 2017-07-05
AU2015339645A1 (en) 2017-04-13
CN107113139A (zh) 2017-08-29
EP4060928A1 (en) 2022-09-21
KR20170078661A (ko) 2017-07-07
JP2018500789A (ja) 2018-01-11
CN108923905B (zh) 2021-06-08
EP3213447A1 (en) 2017-09-06
US20190260611A1 (en) 2019-08-22
JP2019092210A (ja) 2019-06-13
EP3213447B1 (en) 2022-05-25
US20160127153A1 (en) 2016-05-05
US20180270088A1 (en) 2018-09-20
AU2018208681B2 (en) 2020-02-27
BR112017008754A2 (pt) 2017-12-19
JP6487549B2 (ja) 2019-03-20
WO2016069377A1 (en) 2016-05-06
CN107113139B (zh) 2020-09-15
KR20180088498A (ko) 2018-08-03
AU2015339645B2 (en) 2019-08-22
US9985802B2 (en) 2018-05-29
EP3528427A1 (en) 2019-08-21
CN108923905A (zh) 2018-11-30
JP6800259B2 (ja) 2020-12-16
KR102194588B1 (ko) 2020-12-23
US10313160B2 (en) 2019-06-04
CU20170055A7 (es) 2017-12-08

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