KR20170054548A - Su-bf 및 mu-mimo 동작에 대해 통합된 레이트 적응을 위한 방법 및 시스템 - Google Patents

Su-bf 및 mu-mimo 동작에 대해 통합된 레이트 적응을 위한 방법 및 시스템 Download PDF

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KR20170054548A
KR20170054548A KR1020177012030A KR20177012030A KR20170054548A KR 20170054548 A KR20170054548 A KR 20170054548A KR 1020177012030 A KR1020177012030 A KR 1020177012030A KR 20177012030 A KR20177012030 A KR 20177012030A KR 20170054548 A KR20170054548 A KR 20170054548A
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South Korea
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mcs
transmission mode
wireless communication
rate
communication device
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KR1020177012030A
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English (en)
Korean (ko)
Inventor
수 두
찬펭 지아
닝 창
구이도 로버트 프레데릭스
빈센트 놀스 4세 존스
킹하이 가오
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퀄컴 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04B7/0452—Multi-user MIMO 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
    • H04B7/0613—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
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/203—Details of error rate determination, e.g. BER, FER or WER
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • 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
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Transmission System (AREA)
KR1020177012030A 2012-12-06 2012-12-07 Su-bf 및 mu-mimo 동작에 대해 통합된 레이트 적응을 위한 방법 및 시스템 Ceased KR20170054548A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/707,511 2012-12-06
US13/707,511 US9363686B2 (en) 2012-12-06 2012-12-06 Method and system for unified rate adaptation for SU-BF and MU-MIMO operation
PCT/US2012/068538 WO2014088595A1 (en) 2012-12-06 2012-12-07 Method and system for unified rate adaptation for su-bf and mu-mimo operation

Related Parent Applications (1)

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KR1020157017658A Division KR101734284B1 (ko) 2012-12-06 2012-12-07 Su-bf 및 mu-mimo 동작에 대해 통합된 레이트 적응을 위한 방법 및 시스템

Publications (1)

Publication Number Publication Date
KR20170054548A true KR20170054548A (ko) 2017-05-17

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KR1020177012030A Ceased KR20170054548A (ko) 2012-12-06 2012-12-07 Su-bf 및 mu-mimo 동작에 대해 통합된 레이트 적응을 위한 방법 및 시스템
KR1020157017658A Active KR101734284B1 (ko) 2012-12-06 2012-12-07 Su-bf 및 mu-mimo 동작에 대해 통합된 레이트 적응을 위한 방법 및 시스템

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Country Status (6)

Country Link
US (2) US9363686B2 (OSRAM)
EP (1) EP2929643A1 (OSRAM)
JP (2) JP6271576B2 (OSRAM)
KR (2) KR20170054548A (OSRAM)
CN (1) CN104838611B (OSRAM)
WO (1) WO2014088595A1 (OSRAM)

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US9363686B2 (en) * 2012-12-06 2016-06-07 Qualcomm Incorporated Method and system for unified rate adaptation for SU-BF and MU-MIMO operation
WO2014130070A1 (en) * 2013-02-19 2014-08-28 Intel Corporation Improved wireless network location techniques
EP3104588A4 (en) * 2014-02-06 2017-07-12 Sony Corporation Information processing device, information processing method and storage medium
US9538535B2 (en) 2015-05-11 2017-01-03 Qualcomm Incorporated Cross-band rate adaption
US10050693B2 (en) * 2015-06-30 2018-08-14 William Marsh Rice University Method and system for reducing sounding overhead in wireless communication
US10454538B2 (en) * 2017-09-08 2019-10-22 Qualcomm Incorporated Methods and systems for joint access point MIMO transmissions
CN107889167B (zh) * 2018-01-16 2021-04-27 河南科技大学 多小区网络mumimo的吞吐量增强方法
CN110391825B (zh) * 2018-04-19 2021-02-09 上海华为技术有限公司 一种多天线系统发射和接收方法及装置
CN109560894B (zh) * 2018-12-24 2021-06-22 京信通信系统（中国）有限公司 一种直放站传输速率适配的方法及设备
US11310693B2 (en) * 2019-12-13 2022-04-19 Google Llc Switching scheme for opting in and out of multi-user orthogonal frequency-division multiple access

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CN101133587A (zh) * 2005-01-14 2008-02-27 诺基亚西门子网络公司 基于cqi时期的hsdpa参数调整
JP4772514B2 (ja) * 2005-10-31 2011-09-14 株式会社エヌ・ティ・ティ・ドコモ 上りリンクの送信パラメータを決定する装置
US8271043B2 (en) * 2006-08-21 2012-09-18 Qualcomm Incorporated Approach to a unified SU-MIMO/MU-MIMO operation
US8687561B2 (en) 2007-05-04 2014-04-01 Motorola Mobility Llc Method and system for link adaptation using metric feedback
WO2009026769A1 (en) 2007-08-31 2009-03-05 Fujitsu Limited Wireless communication system and wireless communication method
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KR101537591B1 (ko) 2008-04-07 2015-07-20 엘지전자 주식회사 Ｍｉｍｏ 시스템에서 모드 적응 방법
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US9363686B2 (en) * 2012-12-06 2016-06-07 Qualcomm Incorporated Method and system for unified rate adaptation for SU-BF and MU-MIMO operation

Also Published As

Publication number Publication date
EP2929643A1 (en) 2015-10-14
US9485674B2 (en) 2016-11-01
US9363686B2 (en) 2016-06-07
JP2016508305A (ja) 2016-03-17
JP2017130949A (ja) 2017-07-27
US20140160947A1 (en) 2014-06-12
US20160204897A1 (en) 2016-07-14
WO2014088595A1 (en) 2014-06-12
CN104838611B (zh) 2018-07-03
KR20150092757A (ko) 2015-08-13
CN104838611A (zh) 2015-08-12
KR101734284B1 (ko) 2017-05-11
JP6271576B2 (ja) 2018-01-31

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