JP5917768B2 - Ｉｅｅｅ８０２．１１マルチユーザ（ｍｕ）多入力多出力（ｍｉｍｏ）通信システムのためのスケジューリングアルゴリズム - Google Patents

Ｉｅｅｅ８０２．１１マルチユーザ（ｍｕ）多入力多出力（ｍｉｍｏ）通信システムのためのスケジューリングアルゴリズム Download PDF

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JP5917768B2
JP5917768B2 JP2015505923A JP2015505923A JP5917768B2 JP 5917768 B2 JP5917768 B2 JP 5917768B2 JP 2015505923 A JP2015505923 A JP 2015505923A JP 2015505923 A JP2015505923 A JP 2015505923A JP 5917768 B2 JP5917768 B2 JP 5917768B2
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receiver
transmission
channel
mimo
streams
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JP2015518334A (ja
JP2015518334A5 (enExample
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クァン、ジ
メルリン、シモーネ
アブラハム、サントシュ・ポール
ベルマニ、サミーア
サンパス、ヘマンス
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Qualcomm Inc
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Qualcomm Inc
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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)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2015505923A 2012-04-13 2013-04-11 Ｉｅｅｅ８０２．１１マルチユーザ（ｍｕ）多入力多出力（ｍｉｍｏ）通信システムのためのスケジューリングアルゴリズム Active JP5917768B2 (ja)

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 (3)

Publication Number Publication Date
JP2015518334A JP2015518334A (ja) 2015-06-25
JP2015518334A5 JP2015518334A5 (enExample) 2016-03-17
JP5917768B2 true JP5917768B2 (ja) 2016-05-18

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JP2015505923A Active JP5917768B2 (ja) 2012-04-13 2013-04-11 Ｉｅｅｅ８０２．１１マルチユーザ（ｍｕ）多入力多出力（ｍｉｍｏ）通信システムのためのスケジューリングアルゴリズム

Country Status (6)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7058367B1 (en) * 2003-01-31 2006-06-06 At&T Corp. Rate-adaptive methods for communicating over multiple input/multiple output wireless systems
US9456369B2 (en) * 2012-07-31 2016-09-27 Hewlett Packard Enterprise Development Lp Management of modulation and coding scheme implementation
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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7388853B2 (en) * 2000-04-07 2008-06-17 Broadcom Corporation Method for providing dynamic adjustment of frame encoding parameters in a frame-based communications network
EP1695456B1 (en) 2003-12-19 2009-11-11 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus in a mimo based communication system
US7564814B2 (en) * 2004-05-07 2009-07-21 Qualcomm, Incorporated Transmission mode and rate selection for a wireless communication system
US7751332B2 (en) * 2006-10-25 2010-07-06 Samsung Electronics Co., Ltd. Data routing method and apparatus
WO2008054172A1 (en) 2006-11-02 2008-05-08 Lg Electronics Inc. Method for determining modulation and coding scheme
CN101247163B (zh) * 2007-02-15 2011-11-30 电信科学技术研究院 获取cqi的方法和装置及sinr映射到cqi的方法
US8363627B2 (en) * 2007-06-19 2013-01-29 Intel Corporation Modulation coding schemes for control frame transmission under 802.11N
CN101150469A (zh) * 2007-10-24 2008-03-26 山东大学 一种无线局域网中基于退避机制的分组调度方法
US8923157B2 (en) * 2007-11-05 2014-12-30 Qualcomm Incorporated Scheduling QOS flows in broadband wireless communication systems
JP5493459B2 (ja) * 2009-05-08 2014-05-14 ソニー株式会社 通信装置及び通信方法
US9112741B2 (en) * 2009-09-18 2015-08-18 Qualcomm Incorporated Protocol to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
US20110080877A1 (en) * 2009-10-05 2011-04-07 Nokia Corporation Variable single carrier frequency division multiple access (SC-FDMA) coding
US8867394B2 (en) 2010-01-07 2014-10-21 Lg Electronics Inc. Interference avoidance method and apparatus for supporting same in a wireless LAN system
US8953578B2 (en) * 2010-06-23 2015-02-10 Samsung Electronics Co., Ltd. Method and system for contention avoidance in multi-user multiple-input-multiple-output wireless networks
US9232543B2 (en) * 2010-07-07 2016-01-05 Samsung Electronics Co., Ltd. Method and system for communication in multi-user multiple-input-multiple-output wireless networks
US9320048B2 (en) * 2010-08-04 2016-04-19 Marvell World Trade Ltd. Wireless communications with primary and secondary access categories
US9124460B2 (en) 2010-08-31 2015-09-01 Qualcomm, Incorporated Rules for multiplexing data of different access categories in multi user MIMO wireless systems
JP5505262B2 (ja) * 2010-11-05 2014-05-28 富士通株式会社 負荷分散方法、基地局
US9526091B2 (en) * 2012-03-16 2016-12-20 Intel Corporation Method and apparatus for coordination of self-optimization functions in a wireless network

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Publication number Publication date
KR20150006847A (ko) 2015-01-19
JP2015518334A (ja) 2015-06-25
WO2013155351A1 (en) 2013-10-17
KR101618156B1 (ko) 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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