KR102362148B1 - Sc-fdm 심볼 스트림들에 대한 채널 또는 간섭 추정 - Google Patents

Sc-fdm 심볼 스트림들에 대한 채널 또는 간섭 추정 Download PDF

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KR102362148B1
KR102362148B1 KR1020177025195A KR20177025195A KR102362148B1 KR 102362148 B1 KR102362148 B1 KR 102362148B1 KR 1020177025195 A KR1020177025195 A KR 1020177025195A KR 20177025195 A KR20177025195 A KR 20177025195A KR 102362148 B1 KR102362148 B1 KR 102362148B1
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modulation symbols
channel
interference estimation
symbol stream
interference
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KR20170126464A (ko
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피터 가알
완시 첸
하오 수
타오 루오
심만 아빈드 파틸
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퀄컴 인코포레이티드
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    • 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
    • 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
    • H04L27/2655—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
    • H04L27/2647—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

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  • 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)
KR1020177025195A 2015-03-10 2016-03-10 Sc-fdm 심볼 스트림들에 대한 채널 또는 간섭 추정 Active KR102362148B1 (ko)

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 (2)

Publication Number Publication Date
KR20170126464A KR20170126464A (ko) 2017-11-17
KR102362148B1 true KR102362148B1 (ko) 2022-02-10

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KR1020177025195A Active KR102362148B1 (ko) 2015-03-10 2016-03-10 Sc-fdm 심볼 스트림들에 대한 채널 또는 간섭 추정

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US (1) US11012272B2 (enExample)
EP (1) EP3269103B1 (enExample)
JP (1) JP6862346B2 (enExample)
KR (1) KR102362148B1 (enExample)
CN (1) CN107431685B9 (enExample)
WO (1) WO2016145196A1 (enExample)

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FI3434055T3 (fi) 2016-03-23 2023-07-17 Nokia Technologies Oy Yhteisen vaiheen virhe ja/tai kantoaaltojen väliset häiriöt
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

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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
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Also Published As

Publication number Publication date
CN107431685A (zh) 2017-12-01
CN107431685B (zh) 2020-09-11
CN107431685B9 (zh) 2025-11-11
EP3269103B1 (en) 2021-08-04
EP3269103A1 (en) 2018-01-17
JP6862346B2 (ja) 2021-04-21
JP2018511993A (ja) 2018-04-26
WO2016145196A1 (en) 2016-09-15
US11012272B2 (en) 2021-05-18
US20160269207A1 (en) 2016-09-15
KR20170126464A (ko) 2017-11-17

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