BR112020006598A2 - sinal de referência de rastreamento de fase - Google Patents

sinal de referência de rastreamento de fase Download PDF

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Publication number
BR112020006598A2
BR112020006598A2 BR112020006598-6A BR112020006598A BR112020006598A2 BR 112020006598 A2 BR112020006598 A2 BR 112020006598A2 BR 112020006598 A BR112020006598 A BR 112020006598A BR 112020006598 A2 BR112020006598 A2 BR 112020006598A2
Authority
BR
Brazil
Prior art keywords
samples
sequence
sample
symbol
dft
Prior art date
Application number
BR112020006598-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Tianyang BAI
Juergen Cezanne
Sundar Subramanian
Junyi Li
Original Assignee
Qualcomm Incorporated
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 Incorporated filed Critical Qualcomm Incorporated
Publication of BR112020006598A2 publication Critical patent/BR112020006598A2/pt

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Classifications

    • 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
    • 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
    • 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

Landscapes

  • 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)
BR112020006598-6A 2017-10-11 2018-09-18 sinal de referência de rastreamento de fase BR112020006598A2 (pt)

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 (1)

Publication Number Publication Date
BR112020006598A2 true BR112020006598A2 (pt) 2020-10-06

Family

ID=65993573

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020006598-6A BR112020006598A2 (pt) 2017-10-11 2018-09-18 sinal de referência de rastreamento de fase

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=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7385617B2 (en) * 2003-05-07 2008-06-10 Illinois Institute Of Technology Methods for multi-user broadband wireless channel estimation
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
US10135596B2 (en) * 2016-01-20 2018-11-20 Qualcomm Incorporated Narrow band ACK / NACK transmissions
US10103868B2 (en) * 2016-04-05 2018-10-16 Qualcomm Incorporated Narrow band synchronization signal transmission and detection
US10447513B2 (en) * 2017-01-06 2019-10-15 National Instruments Corporation Common phase error (CPE) compensation for frequency division multiplex (FDM) symbols in wireless communication systems
CN112654089B (zh) * 2017-01-06 2022-02-25 华为技术有限公司 一种参考信号的配置方法、装置及系统
US20180227035A1 (en) * 2017-02-09 2018-08-09 Yu-Hsin Cheng Method and apparatus for robust beam acquisition
US10715369B2 (en) * 2017-10-11 2020-07-14 Qualcomm Incorporated Phase tracking reference signal

Also Published As

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
CA3075394A1 (en) 2019-04-18
KR102278511B1 (ko) 2021-07-15
JP2022046566A (ja) 2022-03-23
KR20200063156A (ko) 2020-06-04

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B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]