KR101618156B1 - 802.11 멀티-사용자(mu) 다중-입력 다중-출력(mimo) 통신 시스템들에 대한 스케줄링 알고리즘들 - Google Patents

802.11 멀티-사용자(mu) 다중-입력 다중-출력(mimo) 통신 시스템들에 대한 스케줄링 알고리즘들 Download PDF

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KR101618156B1
KR101618156B1 KR1020147031664A KR20147031664A KR101618156B1 KR 101618156 B1 KR101618156 B1 KR 101618156B1 KR 1020147031664 A KR1020147031664 A KR 1020147031664A KR 20147031664 A KR20147031664 A KR 20147031664A KR 101618156 B1 KR101618156 B1 KR 101618156B1
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receiver
transmission
served
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mimo
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KR20150006847A (ko
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치 쿠안
시몬 멀린
산토쉬 폴 아브라함
사미어 베르마니
히맨쓰 샘패쓰
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퀄컴 인코포레이티드
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    • 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
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1221—Wireless traffic scheduling based on age of data to be sent
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020147031664A 2012-04-13 2013-04-11 802.11 멀티-사용자(mu) 다중-입력 다중-출력(mimo) 통신 시스템들에 대한 스케줄링 알고리즘들 Expired - Fee Related KR101618156B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261623835P 2012-04-13 2012-04-13
US61/623,835 2012-04-13
US13/465,522 2012-05-07
US13/465,522 US9184810B2 (en) 2012-04-13 2012-05-07 Scheduling algorithms for multi-user (MU) multiple-input multiple-output (MIMO) communication systems
PCT/US2013/036249 WO2013155351A1 (en) 2012-04-13 2013-04-11 Scheduling algorithms for ieee 802.11 multi-user (mu) multiple-input multiple-output (mimo) communication systems

Publications (2)

Publication Number Publication Date
KR20150006847A KR20150006847A (ko) 2015-01-19
KR101618156B1 true KR101618156B1 (ko) 2016-05-18

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KR1020147031664A Expired - Fee Related KR101618156B1 (ko) 2012-04-13 2013-04-11 802.11 멀티-사용자(mu) 다중-입력 다중-출력(mimo) 통신 시스템들에 대한 스케줄링 알고리즘들

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US (1) US9184810B2 (enExample)
EP (1) EP2837101A1 (enExample)
JP (1) JP5917768B2 (enExample)
KR (1) KR101618156B1 (enExample)
CN (1) CN104221303B (enExample)
WO (1) WO2013155351A1 (enExample)

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US9379794B2 (en) * 2012-10-02 2016-06-28 Qualcomm Incorporated Scheduling transmission for multi-user, multiple-input, multiple-output data
CN102916735B (zh) * 2012-10-17 2016-06-08 东南大学 利用大规模天线阵列的无线通信方法
CN109245809B (zh) 2013-06-25 2021-08-20 华为技术有限公司 上行多用户数据传输方法及上行多用户输入输出系统
US9674710B2 (en) * 2013-12-20 2017-06-06 Qualcomm Incorporated Channel dependent coverage enhancement techniques in LTE
US9462300B2 (en) * 2014-02-21 2016-10-04 Thales Avionics, Inc. Distributed seat centric wireless in-flight entertainment system
US9577727B2 (en) * 2014-04-25 2017-02-21 Aruba Networks, Inc. Enforcing station fairness with MU-MIMO deployments
US9894641B2 (en) * 2014-09-26 2018-02-13 Qualcomm, Incorporated Methods and apparatus for implementing multiple user uplink medium access control protocols in a wireless network
US9887751B2 (en) * 2015-01-27 2018-02-06 Nvidia Corporation Channel quality indication compensation for kronecker precoding
US10063292B2 (en) * 2015-02-02 2018-08-28 Qualcomm Incorporated Multi-user operation management
KR102102414B1 (ko) * 2015-04-20 2020-04-20 한국전자통신연구원 Wlan 시스템에서의 하향 링크에 대한 간섭 정렬 방법 및 이를 수행하기 위한 액세스 포인트 및 사용자 단말
EP3297376B1 (en) * 2016-09-14 2020-08-05 Nokia Technologies Oy Allocation of resources for a renewed wireless channel estimation depending on validity of current estimation
US10715223B2 (en) 2016-11-03 2020-07-14 Intel Corporation Multi VAP simultaneous multi-user transmissions
US20210204303A1 (en) * 2019-12-26 2021-07-01 Vinod Kristem Transmit power allocation and modulation coding scheme for multi-user orthogonal frequency-division multiple access
US12464401B2 (en) * 2022-04-18 2025-11-04 Qualcomm Incorporated Dynamic MU-MIMO staging for real-world applications
US20260012272A1 (en) * 2024-07-05 2026-01-08 Qualcomm Incorporated Techniques for post-processing signal-to-interference-plus-noise ratio signaling for communication adaptation

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KR20150006847A (ko) 2015-01-19
JP2015518334A (ja) 2015-06-25
WO2013155351A1 (en) 2013-10-17
JP5917768B2 (ja) 2016-05-18
US9184810B2 (en) 2015-11-10
CN104221303A (zh) 2014-12-17
CN104221303B (zh) 2018-06-01
EP2837101A1 (en) 2015-02-18
US20130272211A1 (en) 2013-10-17

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