DK2690920T3 - Trådløst kommunikationssystem og kommunikationsfremgangsmåde dertil - Google Patents

Trådløst kommunikationssystem og kommunikationsfremgangsmåde dertil Download PDF

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Publication number
DK2690920T3
DK2690920T3 DK12763215.6T DK12763215T DK2690920T3 DK 2690920 T3 DK2690920 T3 DK 2690920T3 DK 12763215 T DK12763215 T DK 12763215T DK 2690920 T3 DK2690920 T3 DK 2690920T3
Authority
DK
Denmark
Prior art keywords
procedure
wireless communication
communication system
communication
wireless
Prior art date
Application number
DK12763215.6T
Other languages
English (en)
Inventor
Dongshan Bao
Lijun Pan
Shenfa Liu
Jing Wang
Jun Lei
Zhigang Yan
Original Assignee
Beijing Nufront Mobile Multimedia Tech Co Ltd
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 Beijing Nufront Mobile Multimedia Tech Co Ltd filed Critical Beijing Nufront Mobile Multimedia Tech Co Ltd
Application granted granted Critical
Publication of DK2690920T3 publication Critical patent/DK2690920T3/da

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • 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
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • H04L27/263—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators modification of IFFT/IDFT modulator for performance improvement
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
DK12763215.6T 2011-03-25 2012-03-23 Trådløst kommunikationssystem og kommunikationsfremgangsmåde dertil DK2690920T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110074434 2011-03-25
PCT/CN2012/072870 WO2012130087A1 (zh) 2011-03-25 2012-03-23 无线通信系统及其通信方法

Publications (1)

Publication Number Publication Date
DK2690920T3 true DK2690920T3 (da) 2020-04-14

Family

ID=46353682

Family Applications (1)

Application Number Title Priority Date Filing Date
DK12763215.6T DK2690920T3 (da) 2011-03-25 2012-03-23 Trådløst kommunikationssystem og kommunikationsfremgangsmåde dertil

Country Status (7)

Country Link
US (1) US9007887B2 (da)
EP (1) EP2690920B1 (da)
JP (1) JP5901086B2 (da)
KR (1) KR101990487B1 (da)
CN (2) CN103430615B (da)
DK (1) DK2690920T3 (da)
WO (1) WO2012130087A1 (da)

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CN118214530A (zh) * 2017-09-08 2024-06-18 华为技术有限公司 基于序列的信号处理方法及装置
CN109842478A (zh) * 2017-11-26 2019-06-04 华为技术有限公司 一种序列确定方法和装置
CN112449403B (zh) * 2019-09-05 2023-10-20 海能达通信股份有限公司 低轨卫星通信中的随机接入信道传输方法及装置
WO2022120676A1 (zh) * 2020-12-10 2022-06-16 海能达通信股份有限公司 低轨卫星通信中的随机接入信道传输方法及装置
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Also Published As

Publication number Publication date
CN103430615A (zh) 2013-12-04
KR20140023327A (ko) 2014-02-26
CN102548018A (zh) 2012-07-04
EP2690920A1 (en) 2014-01-29
CN103430615B (zh) 2016-11-02
US9007887B2 (en) 2015-04-14
EP2690920A4 (en) 2014-08-27
WO2012130087A1 (zh) 2012-10-04
US20140022884A1 (en) 2014-01-23
KR101990487B1 (ko) 2019-06-18
EP2690920B1 (en) 2020-01-22
JP2014514820A (ja) 2014-06-19
JP5901086B2 (ja) 2016-04-06

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