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
    • 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
    • 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
    • H04L27/261—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
    • 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)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (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 (enExample)
EP (1) EP3695547B1 (enExample)
JP (2) JP7200239B2 (enExample)
KR (1) KR102278511B1 (enExample)
CN (1) CN111194536B (enExample)
BR (1) BR112020006598A2 (enExample)
CA (1) CA3075394C (enExample)
TW (1) TWI745619B (enExample)
WO (1) WO2019074633A1 (enExample)

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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
CN116075746A (zh) * 2020-07-31 2023-05-05 欧盟由欧盟委员会为代表 用于检测全球导航卫星系统信号欺骗的计算机实现的方法、数据处理设备、计算机程序产品和计算机可读存储介质
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
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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US8261169B2 (en) * 2006-05-19 2012-09-04 Panasonic Corporation Wireless communication apparatus and wireless communication method
WO2011001226A1 (en) * 2009-06-29 2011-01-06 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
US9538517B2 (en) 2012-06-27 2017-01-03 Telefonaktiebolaget Lm Ericsson (Publ) 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
TW201700906A (zh) * 2015-04-23 2017-01-01 葛萊兒明尼蘇達股份有限公司 自動填充關斷閥
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Also Published As

Publication number Publication date
TW201924260A (zh) 2019-06-16
TWI745619B (zh) 2021-11-11
JP2020537421A (ja) 2020-12-17
EP3695547C0 (en) 2024-08-14
CA3075394C (en) 2023-05-23
JP7200239B2 (ja) 2023-01-06
US20190109749A1 (en) 2019-04-11
EP3695547B1 (en) 2024-08-14
EP3695547A1 (en) 2020-08-19
CN111194536A (zh) 2020-05-22
BR112020006598A2 (pt) 2020-10-06
CN111194536B (zh) 2022-10-28
CA3075394A1 (en) 2019-04-18
JP2022046566A (ja) 2022-03-23
US10715369B2 (en) 2020-07-14
WO2019074633A1 (en) 2019-04-18
KR20200063156A (ko) 2020-06-04

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