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MX2010004141A - Estructura de trama de ofdm/ofdma para sistemas de comunicacion. - Google Patents

Estructura de trama de ofdm/ofdma para sistemas de comunicacion.

Info

Publication number
MX2010004141A
MX2010004141A MX2010004141A MX2010004141A MX2010004141A MX 2010004141 A MX2010004141 A MX 2010004141A MX 2010004141 A MX2010004141 A MX 2010004141A MX 2010004141 A MX2010004141 A MX 2010004141A MX 2010004141 A MX2010004141 A MX 2010004141A
Authority
MX
Mexico
Prior art keywords
frame structure
ofdm
communication systems
ofdma
ofdma frame
Prior art date
Application number
MX2010004141A
Other languages
English (en)
Inventor
Sean Cai
Original Assignee
Zte Usa Inc
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 Zte Usa Inc filed Critical Zte Usa Inc
Publication of MX2010004141A publication Critical patent/MX2010004141A/es

Links

Classifications

    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • 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
    • H04L27/2603—Signal structure ensuring backward compatibility with legacy system
    • 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
    • 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
    • H04L5/0037—Inter-user or inter-terminal allocation
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Se describe una tecnología de estructura de trama de OFDM/OFDMA para sistemas de comunicación. La tecnología de estructura de trama de OFDM/OFDMA comprende una estructura de subtrama de longitud variable con prefijos cíclicos eficientemente dimensionados y duraciones eficientes de intervalos de transición que pueden operar para utilizar en forma eficiente ancho de banda de OFDM/OFDMA. Además, la estructura de trama proporciona compatibilidad con múltiples sistemas de comunicación inalámbrica. Se proporcionan una estructura de trama de enlace ascendente y una estructura de trama de enlace descendente.
MX2010004141A 2007-10-17 2008-10-17 Estructura de trama de ofdm/ofdma para sistemas de comunicacion. MX2010004141A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US98076007P 2007-10-17 2007-10-17
US2037808P 2008-01-10 2008-01-10
US3203208P 2008-02-27 2008-02-27
PCT/US2008/080361 WO2009052420A2 (en) 2007-10-17 2008-10-17 Ofdm/ofdma frame structure for communication systems

Publications (1)

Publication Number Publication Date
MX2010004141A true MX2010004141A (es) 2010-08-10

Family

ID=40568087

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2010004141A MX2010004141A (es) 2007-10-17 2008-10-17 Estructura de trama de ofdm/ofdma para sistemas de comunicacion.

Country Status (10)

Country Link
EP (1) EP2210383A4 (es)
JP (1) JP2011502386A (es)
KR (1) KR20100075642A (es)
CN (1) CN101855880A (es)
AU (1) AU2008312350B2 (es)
BR (1) BRPI0818547A2 (es)
CA (1) CA2702444A1 (es)
IL (1) IL205026A0 (es)
MX (1) MX2010004141A (es)
WO (1) WO2009052420A2 (es)

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US9325552B2 (en) * 2013-09-13 2016-04-26 Qualcomm Incorporated Extended duration cyclic prefix with low overhead for LTE broadcast
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KR102384850B1 (ko) 2013-10-25 2022-04-08 마벨 아시아 피티이 엘티디. 와이파이를 위한 레인지 확장 모드
CN104734826B (zh) * 2013-12-20 2020-08-11 中兴通讯股份有限公司 超大带宽数据发送控制方法及超大带宽数据发送设备
US10772092B2 (en) * 2013-12-23 2020-09-08 Qualcomm Incorporated Mixed numerology OFDM design
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Also Published As

Publication number Publication date
AU2008312350A1 (en) 2009-04-23
BRPI0818547A2 (pt) 2015-06-16
CN101855880A (zh) 2010-10-06
EP2210383A4 (en) 2012-09-12
IL205026A0 (en) 2010-11-30
CA2702444A1 (en) 2009-04-23
EP2210383A2 (en) 2010-07-28
WO2009052420A3 (en) 2009-06-11
AU2008312350B2 (en) 2013-09-19
JP2011502386A (ja) 2011-01-20
KR20100075642A (ko) 2010-07-02
WO2009052420A2 (en) 2009-04-23

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