KR102278511B1 - 위상 추적 기준 신호 - Google Patents

위상 추적 기준 신호 Download PDF

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KR102278511B1
KR102278511B1 KR1020207010085A KR20207010085A KR102278511B1 KR 102278511 B1 KR102278511 B1 KR 102278511B1 KR 1020207010085 A KR1020207010085 A KR 1020207010085A KR 20207010085 A KR20207010085 A KR 20207010085A KR 102278511 B1 KR102278511 B1 KR 102278511B1
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samples
sequence
wireless communication
dft
symbol
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KR20200063156A (ko
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톈양 바이
주에르겐 세잔
선다 수브라마니안
준이 리
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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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0086—Unequal error protection
    • 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
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L27/2602—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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2644—Modulators with oversampling
    • 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
    • H04L27/2657—Carrier synchronisation
    • H04L27/266—Fine or fractional frequency offset determination and synchronisation
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • 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
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
KR1020207010085A 2017-10-11 2018-09-18 위상 추적 기준 신호 Active KR102278511B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201762571138P 2017-10-11 2017-10-11
US62/571,138 2017-10-11
US201762588110P 2017-11-17 2017-11-17
US62/588,110 2017-11-17
US15/975,112 US10715369B2 (en) 2017-10-11 2018-05-09 Phase tracking reference signal
US15/975,112 2018-05-09
PCT/US2018/051531 WO2019074633A1 (en) 2017-10-11 2018-09-18 PHASE TRACKING REFERENCE SIGNAL

Publications (2)

Publication Number Publication Date
KR20200063156A KR20200063156A (ko) 2020-06-04
KR102278511B1 true KR102278511B1 (ko) 2021-07-15

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KR1020207010085A Active KR102278511B1 (ko) 2017-10-11 2018-09-18 위상 추적 기준 신호

Country Status (9)

Country Link
US (1) US10715369B2 (https=)
EP (1) EP3695547B1 (https=)
JP (2) JP7200239B2 (https=)
KR (1) KR102278511B1 (https=)
CN (1) CN111194536B (https=)
BR (1) BR112020006598A2 (https=)
CA (1) CA3075394C (https=)
TW (1) TWI745619B (https=)
WO (1) WO2019074633A1 (https=)

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US10439663B2 (en) * 2016-04-06 2019-10-08 Qualcomm Incorporated Methods and apparatus for phase noise estimation in data symbols for millimeter wave communications
CN108288984B (zh) * 2017-01-09 2022-05-10 华为技术有限公司 一种参数指示及确定方法和接收端设备及发射端设备
US10715369B2 (en) * 2017-10-11 2020-07-14 Qualcomm Incorporated Phase tracking reference signal
CN110855593B (zh) * 2019-10-29 2021-01-15 北京邮电大学 一种单码循环移位多址接入系统的下行链路通信方法
WO2022023010A1 (en) * 2020-07-31 2022-02-03 The European Union, Represented By The European Commission A computer-implemented method for detecting global navigation satellite system signal spoofing, a data processing apparatus, a computer program product, and a computer-readable storage medium
US11616617B2 (en) * 2020-11-16 2023-03-28 Jaihyung Cho Method for transmitting reference signal for positioning and apparatus for the same
CN112953660B (zh) * 2021-01-26 2022-08-05 电子科技大学 一种稳健的信道状态信息csi相位校准方法
CN115550119A (zh) * 2021-06-30 2022-12-30 华为技术有限公司 信号传输的方法和通信装置
CN113839900B (zh) * 2021-10-09 2024-06-07 上海东软载波微电子有限公司 载波频偏估计方法及装置、计算机可读存储介质
US12309727B2 (en) * 2022-02-08 2025-05-20 Qualcomm Incorporated Techniques for rate matching order for orthogonal time frequency space multiplexing
WO2025194604A1 (en) * 2024-03-21 2025-09-25 Huawei Technologies Co., Ltd. Methods, apparatus, and systems for frequency-division multiplexing of discrete fourier transform-spread signals

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CN101449502B (zh) * 2006-05-19 2012-11-07 松下电器产业株式会社 无线通信设备和无线通信方法
US8699595B2 (en) * 2009-06-29 2014-04-15 Freescale Semiconductor, Inc. Integrated circuit with channel estimation module and method therefor
US9531573B2 (en) * 2012-04-09 2016-12-27 Samsung Electronics Co., Ltd. Methods and apparatus for cyclic prefix reduction in MMwave mobile communication systems
WO2014003612A1 (en) 2012-06-27 2014-01-03 Telefonaktiebolaget L M Ericsson (Publ) A user equipment supporting communication in a multicarrier radio communication system and a method therein for receiving information
WO2014154294A1 (en) * 2013-03-28 2014-10-02 Telefonaktiebolaget L M Ericsson (Publ) A phase reference symbol format for ofdm phase synchronization
CN111486330B (zh) * 2015-04-23 2021-11-19 固瑞克明尼苏达有限公司 润滑剂储存器的中心填充
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Publication number Publication date
WO2019074633A1 (en) 2019-04-18
EP3695547B1 (en) 2024-08-14
US20190109749A1 (en) 2019-04-11
CN111194536A (zh) 2020-05-22
EP3695547A1 (en) 2020-08-19
JP7200239B2 (ja) 2023-01-06
JP2020537421A (ja) 2020-12-17
TWI745619B (zh) 2021-11-11
EP3695547C0 (en) 2024-08-14
TW201924260A (zh) 2019-06-16
US10715369B2 (en) 2020-07-14
CN111194536B (zh) 2022-10-28
CA3075394C (en) 2023-05-23
BR112020006598A2 (pt) 2020-10-06
CA3075394A1 (en) 2019-04-18
JP2022046566A (ja) 2022-03-23
KR20200063156A (ko) 2020-06-04

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