HUE043247T2 - Demodulációs referenciajelek multiplexelése vezeték nélküli kommunikációban - Google Patents

Demodulációs referenciajelek multiplexelése vezeték nélküli kommunikációban

Info

Publication number
HUE043247T2
HUE043247T2 HUE11701327A HUE11701327A HUE043247T2 HU E043247 T2 HUE043247 T2 HU E043247T2 HU E11701327 A HUE11701327 A HU E11701327A HU E11701327 A HUE11701327 A HU E11701327A HU E043247 T2 HUE043247 T2 HU E043247T2
Authority
HU
Hungary
Prior art keywords
wireless communications
reference signals
demodulation reference
multiplexing demodulation
multiplexing
Prior art date
Application number
HUE11701327A
Other languages
English (en)
Inventor
Xiliang Luo
Wanshi Chen
Xiaoxia Zhang
Peter Gaal
Juan Montojo
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 HUE043247T2 publication Critical patent/HUE043247T2/hu

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0074—Code shifting or hopping

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
HUE11701327A 2010-01-11 2011-01-11 Demodulációs referenciajelek multiplexelése vezeték nélküli kommunikációban HUE043247T2 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29399110P 2010-01-11 2010-01-11
US12/987,771 US9258160B2 (en) 2010-01-11 2011-01-10 Multiplexing demodulation reference signals in wireless communications

Publications (1)

Publication Number Publication Date
HUE043247T2 true HUE043247T2 (hu) 2019-08-28

Family

ID=43901348

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE11701327A HUE043247T2 (hu) 2010-01-11 2011-01-11 Demodulációs referenciajelek multiplexelése vezeték nélküli kommunikációban

Country Status (14)

Country Link
US (2) US9258160B2 (hu)
EP (1) EP2524467B1 (hu)
JP (2) JP5639193B2 (hu)
KR (1) KR101489774B1 (hu)
CN (2) CN102714588B (hu)
BR (1) BR112012016650B1 (hu)
CA (2) CA2885053C (hu)
ES (1) ES2729483T3 (hu)
HK (2) HK1176197A1 (hu)
HU (1) HUE043247T2 (hu)
MY (2) MY165241A (hu)
RU (1) RU2539969C2 (hu)
TW (1) TWI436613B (hu)
WO (1) WO2011085402A2 (hu)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9258160B2 (en) 2010-01-11 2016-02-09 Qualcomm Incorporated Multiplexing demodulation reference signals in wireless communications
EP2685637A1 (en) * 2010-02-16 2014-01-15 Telefonaktiebolaget LM Ericsson (PUBL) MIMO layer specific reference signals based on codes and cyclic shifts
JP5781547B2 (ja) 2010-02-22 2015-09-24 サムスン エレクトロニクス カンパニー リミテッド アップリンクレファレンス信号のためのシーケンスホッピング及び直交カバーリングコードの適用
KR101699493B1 (ko) * 2010-05-03 2017-01-26 주식회사 팬택 Ｍｉｍｏ 환경에서 직교성을 제공하는 사이클릭 쉬프트 파라메터를 송수신하는 방법 및 장치
JP4928621B2 (ja) * 2010-05-27 2012-05-09 シャープ株式会社 無線通信システム、基地局装置、移動局装置、無線通信方法および集積回路
CN102300313B (zh) * 2010-06-28 2013-03-27 华为技术有限公司 专用解调参考信号的资源配置方法和相关装置
KR101795108B1 (ko) * 2010-08-13 2017-11-15 선 페이턴트 트러스트 단말 장치, 통신 방법, 기지국 장치 및 집적 회로
JP2012186736A (ja) * 2011-03-07 2012-09-27 Sharp Corp 端末装置、基地局装置、および無線通信システム
CN103037514B (zh) * 2011-09-30 2017-02-22 上海贝尔股份有限公司 一种通信网络中用于传输解调参考信号的方法和装置
CA2850305A1 (en) 2011-09-30 2013-04-04 Fujitsu Limited Wireless communication system, base station, mobile station, and wireless communication method
KR102070780B1 (ko) 2012-02-20 2020-01-29 엘지전자 주식회사 무선 통신 시스템에서 상향링크 신호 송신 방법 및 장치
US9686110B2 (en) * 2012-02-20 2017-06-20 Lg Electronics Inc. Method and apparatus for transmitting uplink signal in wireless communication system
US9723598B2 (en) 2012-02-20 2017-08-01 Lg Electronics Inc. Method and apparatus for transmitting uplink signal in wireless communication system
WO2016127309A1 (en) * 2015-02-10 2016-08-18 Qualcomm Incorporated Dmrs enhancement for higher order mu-mimo
US10033444B2 (en) * 2015-05-11 2018-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods of beam training for hybrid beamforming
JP6107914B2 (ja) * 2015-10-14 2017-04-05 富士通株式会社 無線通信システム、基地局、移動局、及び無線通信方法
US10447447B2 (en) 2016-04-05 2019-10-15 Qualcomm Incorporated Methods and apparatus for multiplexing reference signals for multiple input multiple output (MIMO) layers
WO2018175709A1 (en) * 2017-03-22 2018-09-27 Idac Holdings Inc. Methods, apparatus, systems, architectures and interfaces for channel state information reference signal for next generation wireless communication systems
HUE060080T2 (hu) * 2017-05-31 2023-01-28 Ntt Docomo Inc Felhasználói terminál és vezeték nélküli kommunikációs eljárás
CN109660323B (zh) * 2017-10-11 2020-10-20 维沃移动通信有限公司 一种配置csi-rs的时域位置的方法、基站和用户终端
MX2020007365A (es) * 2018-01-11 2020-09-03 Ntt Docomo Inc Terminal de usuario y metodo de comunicacion por radio.
CN112514274A (zh) * 2018-07-30 2021-03-16 诺基亚技术有限公司 利用交叉极化天线的使用dmrs的信道估计方法
US11901983B1 (en) * 2021-03-17 2024-02-13 T-Mobile Innovations Llc Selectively assigning uplink transmission layers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6922432B2 (en) 2001-03-09 2005-07-26 Motorola, Inc. System for spread spectrum communication
KR100876757B1 (ko) 2003-10-31 2009-01-07 삼성전자주식회사 통신 시스템에서 서브 채널 구성 시스템 및 방법
US9065714B2 (en) 2007-01-10 2015-06-23 Qualcomm Incorporated Transmission of information using cyclically shifted sequences
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
EP2056515B1 (en) 2007-10-30 2019-06-12 Cellular Communications Equipment Llc Methods, apparatuses, system and related computer program product for resource allocation
US8699426B2 (en) 2008-03-26 2014-04-15 Qualcomm Incorporated Method and apparatus for resource allocation in wireless communication systems
WO2010147853A2 (en) * 2009-06-16 2010-12-23 Interdigital Patent Holdings, Inc. Rank adaptive cyclic shift for demodulation reference signal
US8842623B2 (en) 2009-06-26 2014-09-23 Lg Electronics Inc. Method and apparatus for transmitting reference signals in uplink multiple input multiple output (MIMO) transmission
US8675632B2 (en) * 2009-07-10 2014-03-18 Telefonaktiebolaget Lm Ericsson (Publ) Signalling of reference signals for single user spatial multiplexing transmission schemes
US8908617B2 (en) 2009-12-31 2014-12-09 Samsung Electronics Co., Ltd. Uplink demodulation reference signal design for MIMO transmission
US9258160B2 (en) 2010-01-11 2016-02-09 Qualcomm Incorporated Multiplexing demodulation reference signals in wireless communications

Also Published As

Publication number Publication date
BR112012016650A2 (pt) 2016-03-29
US9258160B2 (en) 2016-02-09
KR101489774B1 (ko) 2015-02-04
CN102714588A (zh) 2012-10-03
US9698954B2 (en) 2017-07-04
US20120014318A1 (en) 2012-01-19
WO2011085402A2 (en) 2011-07-14
CN104702388A (zh) 2015-06-10
US20160156445A1 (en) 2016-06-02
CA2785798A1 (en) 2011-07-14
CA2885053A1 (en) 2011-07-14
CA2885053C (en) 2017-06-06
MY165241A (en) 2018-03-14
ES2729483T3 (es) 2019-11-04
CA2785798C (en) 2015-06-23
KR20120115546A (ko) 2012-10-18
BR112012016650B1 (pt) 2021-11-03
RU2539969C2 (ru) 2015-01-27
CN102714588B (zh) 2015-02-18
JP2013516943A (ja) 2013-05-13
JP2015008485A (ja) 2015-01-15
HK1176197A1 (en) 2013-07-19
JP5639193B2 (ja) 2014-12-10
HK1211154A1 (en) 2016-05-13
CN104702388B (zh) 2019-01-08
EP2524467A2 (en) 2012-11-21
MY191143A (en) 2022-06-01
TWI436613B (zh) 2014-05-01
JP5869071B2 (ja) 2016-02-24
WO2011085402A3 (en) 2011-11-24
RU2012134404A (ru) 2014-02-20
TW201145882A (en) 2011-12-16
EP2524467B1 (en) 2019-03-06

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