CN102638435B - 导频信号发送方法和移动通信系统 - Google Patents

导频信号发送方法和移动通信系统 Download PDF

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Publication number
CN102638435B
CN102638435B CN201210112462.3A CN201210112462A CN102638435B CN 102638435 B CN102638435 B CN 102638435B CN 201210112462 A CN201210112462 A CN 201210112462A CN 102638435 B CN102638435 B CN 102638435B
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China
Prior art keywords
signal
pilot signal
bandwidth
data
pilot
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Expired - Fee Related
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CN201210112462.3A
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English (en)
Chinese (zh)
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CN102638435A (zh
Inventor
实川大介
关宏之
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Fujitsu Ltd
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Fujitsu Ltd
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • 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
    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding 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
    • 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
    • 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
    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH

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)
CN201210112462.3A 2006-10-26 2007-05-08 导频信号发送方法和移动通信系统 Expired - Fee Related CN102638435B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006-290881 2006-10-26
JP2006290881A JP5092350B2 (ja) 2006-10-26 2006-10-26 パイロット信号伝送方法及び移動通信システム
CN2007101022402A CN101170346B (zh) 2006-10-26 2007-05-08 导频信号发送方法和移动通信系统

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN2007101022402A Division CN101170346B (zh) 2006-10-26 2007-05-08 导频信号发送方法和移动通信系统

Publications (2)

Publication Number Publication Date
CN102638435A CN102638435A (zh) 2012-08-15
CN102638435B true CN102638435B (zh) 2015-08-12

Family

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CN201210112462.3A Expired - Fee Related CN102638435B (zh) 2006-10-26 2007-05-08 导频信号发送方法和移动通信系统
CN2007101022402A Expired - Fee Related CN101170346B (zh) 2006-10-26 2007-05-08 导频信号发送方法和移动通信系统

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Country Status (5)

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US (2) US7808884B2 (enExample)
EP (1) EP1916814A3 (enExample)
JP (1) JP5092350B2 (enExample)
KR (1) KR100884891B1 (enExample)
CN (2) CN102638435B (enExample)

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CN101170346A (zh) 2008-04-30
US8634372B2 (en) 2014-01-21
US20110013585A1 (en) 2011-01-20
JP5092350B2 (ja) 2012-12-05
KR100884891B1 (ko) 2009-02-23
US7808884B2 (en) 2010-10-05
CN102638435A (zh) 2012-08-15
EP1916814A2 (en) 2008-04-30
JP2008109437A (ja) 2008-05-08
EP1916814A3 (en) 2014-10-22
CN101170346B (zh) 2012-06-27
US20080101214A1 (en) 2008-05-01
KR20080037499A (ko) 2008-04-30

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