CA2933732A1 - Pilot mapping for mu-mimo - Google Patents

Pilot mapping for mu-mimo Download PDF

Info

Publication number
CA2933732A1
CA2933732A1 CA2933732A CA2933732A CA2933732A1 CA 2933732 A1 CA2933732 A1 CA 2933732A1 CA 2933732 A CA2933732 A CA 2933732A CA 2933732 A CA2933732 A CA 2933732A CA 2933732 A1 CA2933732 A1 CA 2933732A1
Authority
CA
Canada
Prior art keywords
pilots
sequence
spatial streams
different
mimo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA2933732A
Other languages
English (en)
French (fr)
Inventor
Lin Yang
Albert Van Zelst
Bin Tian
Sameer Vermani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA2933732A1 publication Critical patent/CA2933732A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between antennas
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • 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
    • H04B7/0413—MIMO systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Transmitters (AREA)
CA2933732A 2014-01-21 2015-01-21 Pilot mapping for mu-mimo Abandoned CA2933732A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201461929957P 2014-01-21 2014-01-21
US61/929,957 2014-01-21
US14/601,082 US20150207602A1 (en) 2014-01-21 2015-01-20 Pilot mapping for mu-mimo
US14/601,082 2015-01-20
PCT/US2015/012183 WO2015112556A1 (en) 2014-01-21 2015-01-21 Pilot mapping for mu-mimo

Publications (1)

Publication Number Publication Date
CA2933732A1 true CA2933732A1 (en) 2015-07-30

Family

ID=53545759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2933732A Abandoned CA2933732A1 (en) 2014-01-21 2015-01-21 Pilot mapping for mu-mimo

Country Status (12)

Country Link
US (1) US20150207602A1 (enExample)
EP (1) EP3097646A1 (enExample)
JP (1) JP2017505089A (enExample)
KR (1) KR20160110958A (enExample)
CN (1) CN105940618A (enExample)
CA (1) CA2933732A1 (enExample)
CR (1) CR20160382A (enExample)
DO (1) DOP2016000181A (enExample)
NI (1) NI201600103A (enExample)
SV (1) SV2016005248A (enExample)
TN (1) TN2016000236A1 (enExample)
WO (1) WO2015112556A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106664187A (zh) 2014-06-02 2017-05-10 马维尔国际贸易有限公司 高效正交频分复用（ofdm）物理层（phy）
US9954703B2 (en) 2014-06-11 2018-04-24 Marvell World Trade Ltd. Compressed preamble for a wireless communication system
US20170026981A1 (en) 2015-07-23 2017-01-26 Laurent Cariou Centralized channel access for primary and secondary channels in a wireless local-area network
CN106936487B (zh) 2015-12-31 2021-01-05 华为技术有限公司 一种波束训练方法和装置
CN106059728B (zh) * 2016-05-05 2019-03-01 西安交通大学 一种大规模mimo系统中的基于相移的导频设计方法
US10541796B2 (en) 2017-06-09 2020-01-21 Marvell World Trade Ltd. Packets with midambles having compressed OFDM symbols
US10715365B2 (en) 2017-09-22 2020-07-14 Nxp Usa, Inc. Determining number of midambles in a packet
EP3503063B1 (en) * 2017-12-22 2020-04-29 Deutsche Telekom AG Automation control system for controlling a safety function of remote machine
KR102109076B1 (ko) 2018-12-06 2020-05-12 가천대학교 산학협력단 반작용 휠을 이용한 선박 안정성 제어 방법 및 장치
US10873383B2 (en) * 2019-03-08 2020-12-22 Huawei Technologies Co., Ltd. Communications in spatial streams

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7394793B2 (en) * 2004-03-12 2008-07-01 Samsung Electronics Co., Ltd. Method and apparatus for generating preambles in a broadband wireless communication system using multiple antennas
CA2665459C (en) * 2006-10-31 2013-01-22 Qualcomm Incorporated Unified design and centralized scheduling for dynamic simo, su-mimo and mu-mimo operation for rl transmissions
US8126076B2 (en) * 2007-02-27 2012-02-28 Motorola Mobility, Inc. Method and apparatus for transmission within a multi-carrier communication system
JP4601637B2 (ja) * 2007-03-20 2010-12-22 株式会社エヌ・ティ・ティ・ドコモ 移動局、送信方法及び無線通信システム
EP2127135B1 (en) * 2007-03-26 2015-01-21 Telefonaktiebolaget L M Ericsson (publ) Method and arrangement relating to communications network
JP5024533B2 (ja) * 2007-06-19 2012-09-12 日本電気株式会社 移動通信システムにおけるリファレンス信号系列の割当方法および装置
EP3432504B1 (en) * 2007-10-30 2021-06-23 Nokia Technologies Oy Methods, apparatuses, system and related computer program product for resource allocation
GB2467146B (en) * 2009-01-22 2011-08-31 Toshiba Res Europ Ltd Wireless communications methods and apparatus
CN101800582A (zh) * 2009-02-09 2010-08-11 中兴通讯股份有限公司 一种多用户波束成形方法及装置
US8270517B2 (en) * 2009-02-13 2012-09-18 Qualcomm Incorporated Method and apparatus for orthogonal pilot tone mapping in multiple-in and multiple-out (MIMO) and spatial division multiple access (SDMA) systems
CN101877689B (zh) * 2009-04-28 2012-10-17 华为技术有限公司 数据发送处理方法与装置、数据接收处理方法与装置
CN101932096B (zh) * 2009-06-24 2015-03-25 中兴通讯股份有限公司 多用户多输入多输出模式下层映射信息的通知方法和系统
WO2010151092A2 (ko) * 2009-06-26 2010-12-29 엘지전자 주식회사 상향링크 mimo 전송에서 참조신호를 전송하는 방법 및 장치
CN102474849B (zh) * 2009-07-17 2015-06-10 松下电器（美国）知识产权公司 无线通信终端装置及无线通信方法
JP5669318B2 (ja) * 2009-07-24 2015-02-12 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 無線通信装置及び無線通信方法
CA2773382C (en) * 2009-09-07 2015-12-01 Lg Electronics Inc. Method and apparatus for transmitting/receiving a reference signal in a wireless communication system
CN102036402B (zh) * 2009-09-30 2014-04-30 中兴通讯股份有限公司 一种基于解调导频的层映射方法及网络侧设备
BR112012006057B1 (pt) * 2009-10-01 2021-08-24 Sun Patent Trust Aparelho terminal, método de transmissão, aparelho de comunicação e método de comunicação
US9197284B2 (en) * 2010-01-15 2015-11-24 Google Technology Holdings LLC Method and apparatus for pilot signal processing in a wireless communication system
US9820273B2 (en) * 2010-03-02 2017-11-14 Xiaoxia Zhang Uplink coordinated multipoint communications in a wireless network
CN103532689B (zh) * 2012-07-05 2016-11-16 华为技术有限公司 一种mu-mimo导频和数据发射方法、装置及系统

Also Published As

Publication number Publication date
TN2016000236A1 (en) 2017-10-06
WO2015112556A1 (en) 2015-07-30
KR20160110958A (ko) 2016-09-23
EP3097646A1 (en) 2016-11-30
JP2017505089A (ja) 2017-02-09
CR20160382A (es) 2016-11-11
CN105940618A (zh) 2016-09-14
DOP2016000181A (es) 2016-10-16
NI201600103A (es) 2016-09-21
SV2016005248A (es) 2017-02-09
US20150207602A1 (en) 2015-07-23

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20200121