CN107431685B9 - 用于sc-fdm符号流的信道或干扰估计 - Google Patents

用于sc-fdm符号流的信道或干扰估计

Info

Publication number
CN107431685B9
CN107431685B9 CN201680014757.3A CN201680014757A CN107431685B9 CN 107431685 B9 CN107431685 B9 CN 107431685B9 CN 201680014757 A CN201680014757 A CN 201680014757A CN 107431685 B9 CN107431685 B9 CN 107431685B9
Authority
CN
China
Prior art keywords
channel
modulation symbols
interference estimation
symbol
interference
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.)
Active
Application number
CN201680014757.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN107431685B (zh
CN107431685A (zh
Inventor
P·加尔
陈万士
徐浩
骆涛
S·A·帕特尔
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 CN107431685A publication Critical patent/CN107431685A/zh
Publication of CN107431685B publication Critical patent/CN107431685B/zh
Application granted granted Critical
Publication of CN107431685B9 publication Critical patent/CN107431685B9/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
    • 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
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201680014757.3A 2015-03-10 2016-03-10 用于sc-fdm符号流的信道或干扰估计 Active CN107431685B9 (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562131081P 2015-03-10 2015-03-10
US62/131,081 2015-03-10
US15/065,272 US11012272B2 (en) 2015-03-10 2016-03-09 Channel or interference estimation for SC-FDM symbol streams
US15/065,272 2016-03-09
PCT/US2016/021769 WO2016145196A1 (en) 2015-03-10 2016-03-10 Channel or interference estimation for sc-fdm symbol streams

Publications (3)

Publication Number Publication Date
CN107431685A CN107431685A (zh) 2017-12-01
CN107431685B CN107431685B (zh) 2020-09-11
CN107431685B9 true CN107431685B9 (zh) 2025-11-11

Family

ID=55590163

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680014757.3A Active CN107431685B9 (zh) 2015-03-10 2016-03-10 用于sc-fdm符号流的信道或干扰估计

Country Status (6)

Country Link
US (1) US11012272B2 (https=)
EP (1) EP3269103B1 (https=)
JP (1) JP6862346B2 (https=)
KR (1) KR102362148B1 (https=)
CN (1) CN107431685B9 (https=)
WO (1) WO2016145196A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3434055B1 (en) 2016-03-23 2023-05-10 Nokia Technologies Oy Common phase error and/or inter-carrier interference
JP2020502874A (ja) * 2016-11-03 2020-01-23 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． データ伝送方法、ネットワーク装置、および端末装置
CN108259150B (zh) * 2016-12-29 2020-09-11 华为技术有限公司 一种信息传输方法及装置
CN108632188B (zh) * 2017-03-17 2021-04-20 华为技术有限公司 一种用于无线通信的方法、装置和系统
KR102435428B1 (ko) 2017-09-27 2022-08-24 삼성전자주식회사 무선 통신 시스템에서 패킷을 전송하기 위한 방법 및 장치
US10944604B2 (en) * 2018-05-25 2021-03-09 Qualcomm Incorporated System and method for communication sub-channel bandwidth adjustment in a millimeter wave (MMW) communication system
US11041948B2 (en) * 2019-04-08 2021-06-22 Apple Inc. Channel estimation combining for secure time of flight applications
US11121900B2 (en) * 2019-05-03 2021-09-14 Qualcomm Incorporated Discrete Fourier transform size decomposition
US11071005B2 (en) * 2019-06-27 2021-07-20 Cisco Technology, Inc. Congestion avoidance with adaptive QoS policy enforcement from SD-WAN controller in SD-WAN networks

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7042963B1 (en) 1998-12-11 2006-05-09 Ericsson Inc. Methods and apparatus for decoding variably-coded signals based on prior communication
US20040005010A1 (en) 2002-07-05 2004-01-08 National University Of Singapore Channel estimator and equalizer for OFDM systems
US7046726B2 (en) * 2002-07-18 2006-05-16 Qualcomm, Inc. Method and apparatus for hybrid decision feedback equalization
JP4279646B2 (ja) 2003-10-16 2009-06-17 シャープ株式会社 通信装置
US8135088B2 (en) * 2005-03-07 2012-03-13 Q1UALCOMM Incorporated Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
US8730877B2 (en) * 2005-06-16 2014-05-20 Qualcomm Incorporated Pilot and data transmission in a quasi-orthogonal single-carrier frequency division multiple access system
US8885628B2 (en) * 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
JP2007329588A (ja) * 2006-06-06 2007-12-20 Fujitsu Ltd 送信機及び送信方法
JP4327832B2 (ja) 2006-09-15 2009-09-09 株式会社東芝 通信装置およびプログラム
JP5106129B2 (ja) * 2007-01-10 2012-12-26 パナソニック株式会社 基地局装置
DE102007023881A1 (de) 2007-03-26 2008-10-02 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Ermittlung einer unverkürzten Kanalimpulsantwort in einem OFDM-Übertragungssystem
MX2010008596A (es) * 2008-02-04 2010-08-31 Samsung Electronics Co Ltd Multiplexion de control y datos en sistemas de comunicacion.
US8831063B2 (en) 2008-03-18 2014-09-09 Qualcomm Incorporated Single carrier burst structure for decision feedback equalization and tracking
US8526391B2 (en) * 2010-07-23 2013-09-03 Trueposition, Inc. Network based location of mobile transmitters
JP5862362B2 (ja) * 2012-02-24 2016-02-16 アイコム株式会社 通信機および通信方法

Also Published As

Publication number Publication date
CN107431685B (zh) 2020-09-11
US11012272B2 (en) 2021-05-18
KR102362148B1 (ko) 2022-02-10
EP3269103B1 (en) 2021-08-04
JP2018511993A (ja) 2018-04-26
CN107431685A (zh) 2017-12-01
KR20170126464A (ko) 2017-11-17
WO2016145196A1 (en) 2016-09-15
US20160269207A1 (en) 2016-09-15
EP3269103A1 (en) 2018-01-17
JP6862346B2 (ja) 2021-04-21

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Number: 37-02

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Volume: 36