CA2702444A1 - Structure de trame ofdm/ofdma pour systemes de communication - Google Patents

Structure de trame ofdm/ofdma pour systemes de communication Download PDF

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Publication number
CA2702444A1
CA2702444A1 CA2702444A CA2702444A CA2702444A1 CA 2702444 A1 CA2702444 A1 CA 2702444A1 CA 2702444 A CA2702444 A CA 2702444A CA 2702444 A CA2702444 A CA 2702444A CA 2702444 A1 CA2702444 A1 CA 2702444A1
Authority
CA
Canada
Prior art keywords
ofdm
cyclic prefix
sub
communication system
frame
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA2702444A
Other languages
English (en)
Inventor
Sean Cai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE USA Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2702444A1 publication Critical patent/CA2702444A1/fr
Abandoned legal-status Critical Current

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), 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)
CA2702444A 2007-10-17 2008-10-17 Structure de trame ofdm/ofdma pour systemes de communication Abandoned CA2702444A1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US98076007P 2007-10-17 2007-10-17
US60/980,760 2007-10-17
US2037808P 2008-01-10 2008-01-10
US61/020,378 2008-01-10
US3203208P 2008-02-27 2008-02-27
US61/032,032 2008-02-27
PCT/US2008/080361 WO2009052420A2 (fr) 2007-10-17 2008-10-17 Structure de trame ofdm/ofdma pour systèmes de communication

Publications (1)

Publication Number Publication Date
CA2702444A1 true CA2702444A1 (fr) 2009-04-23

Family

ID=40568087

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2702444A Abandoned CA2702444A1 (fr) 2007-10-17 2008-10-17 Structure de trame ofdm/ofdma pour systemes de communication

Country Status (10)

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

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US8730854B2 (en) 2009-08-20 2014-05-20 Qualcomm Incorporated Timing adjustments in a communication system
CN102025478B (zh) * 2009-09-15 2015-03-18 华为技术有限公司 数据传送、接收的方法及装置
US9210001B2 (en) * 2010-12-17 2015-12-08 Lg Electronics Inc. Method and apparatus for transmitting aperiodic sounding reference signal in wireless communication system
WO2012086941A2 (fr) * 2010-12-22 2012-06-28 엘지전자 주식회사 Procédé pour rapporter des données d'état de canal exigeant une transmission séquentielle dans un système de communication sans fil, et appareil pour la mise en œuvre de ce procédé
US8885740B2 (en) 2011-02-04 2014-11-11 Marvell World Trade Ltd. Control mode PHY for WLAN
KR101859594B1 (ko) 2011-03-10 2018-06-28 삼성전자 주식회사 통신시스템에서 시분할복신 지원 방법 및 장치
DK2690920T3 (da) * 2011-03-25 2020-04-14 Beijing Nufront Mobile Multimedia Tech Co Ltd Trådløst kommunikationssystem og kommunikationsfremgangsmåde dertil
JP5704709B2 (ja) * 2011-03-31 2015-04-22 独立行政法人情報通信研究機構 長時間遅延拡散環境のためのｏｆｄｍａシステム
CN102790736B (zh) * 2011-04-07 2015-04-01 中兴通讯股份有限公司 一种基于正交频分复用技术的数据发送、接收方法及装置
CN102739594A (zh) * 2011-04-12 2012-10-17 中兴通讯股份有限公司 一种无线帧参数配置和信号发送的方法及装置
WO2012158378A1 (fr) 2011-05-18 2012-11-22 Marvell World Trade Ltd. Intervalle de garde court à préambule complètement nouveau
WO2013015636A2 (fr) 2011-07-28 2013-01-31 Samsung Electronics Co., Ltd. Appareil et procédé de formation de faisceaux dans un système de communication sans fil
US9160511B2 (en) * 2012-01-30 2015-10-13 Qualcomm Incorporated Cyclic prefix in evolved multimedia broadcast multicast service with high transmit power
EP2862295B1 (fr) 2012-06-17 2020-06-03 LG Electronics Inc. Appareil pour l'émission/réception de signaux conformément à une structure de trame prenant en charge une pluralité de porteuses dans un système de communication sans fil et procédé associé
US9485678B2 (en) 2013-03-11 2016-11-01 Qualcomm Incorporated Effective utilization of cyclic prefix in OFDM systems under benign channel conditions
EP2959628B1 (fr) 2013-03-11 2018-05-30 Huawei Technologies Co., Ltd. Structure de pilotes sur la liaison montante dans un systeme ofdm de point à multipoint
CN105594276B (zh) 2013-08-19 2019-06-25 相干逻辑公司 在多个无线环境中操作的参数化无线电波形的方法和设备
KR20210153759A (ko) 2013-09-10 2021-12-17 마벨 아시아 피티이 엘티디. 옥외 wlan용 확장 보호 구간
US9325552B2 (en) * 2013-09-13 2016-04-26 Qualcomm Incorporated Extended duration cyclic prefix with low overhead for LTE broadcast
US10194006B2 (en) 2013-10-25 2019-01-29 Marvell World Trade Ltd. Physical layer frame format for WLAN
US10218822B2 (en) 2013-10-25 2019-02-26 Marvell World Trade Ltd. Physical layer frame format for WLAN
KR102526618B1 (ko) 2013-10-25 2023-04-27 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
WO2015137648A1 (fr) * 2014-03-13 2015-09-17 엘지전자 주식회사 Procédé pour émettre et recevoir un signal de faible latence dans un système de communication sans fil et appareil à cet effet
US11855818B1 (en) 2014-04-30 2023-12-26 Marvell Asia Pte Ltd Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network
US10051634B2 (en) * 2014-06-10 2018-08-14 Qualcomm Incorporated Devices and methods for facilitating non-orthogonal wireless communications
CN105743823B (zh) * 2014-12-10 2018-11-16 联芯科技有限公司 一种信道估计方法及装置
KR101777215B1 (ko) * 2015-02-13 2017-09-11 삼성전자주식회사 송신 장치, 수신 장치 및 그 제어 방법
US10420098B2 (en) 2015-03-17 2019-09-17 Nokia Solutions And Networks Oy Method, apparatus, system and computer program for LTE carrier bandwidth extension using increased subcarrier spacing
US9985760B2 (en) 2015-03-31 2018-05-29 Huawei Technologies Co., Ltd. System and method for an adaptive frame structure with filtered OFDM
US10382598B1 (en) 2015-05-01 2019-08-13 Marvell International Ltd. Physical layer frame format for WLAN
US10181966B1 (en) 2015-05-01 2019-01-15 Marvell International Ltd. WiFi classification by pilot sequences
US10038581B2 (en) 2015-06-01 2018-07-31 Huawei Technologies Co., Ltd. System and scheme of scalable OFDM numerology
US10038518B1 (en) 2015-06-11 2018-07-31 Marvell International Ltd. Signaling phy preamble formats
WO2016208897A1 (fr) 2015-06-22 2016-12-29 엘지전자 주식회사 Procédé de transmission de canal de liaison montante et dispositif nb-ido
EP3370379A1 (fr) * 2015-10-30 2018-09-05 Fujitsu Limited Appareil de modulation multiporteuse et procédé, système et appareil de démodulation multiporteuse
US10461975B2 (en) * 2016-05-11 2019-10-29 Qualcomm Incorporated Dynamic cyclic prefix (CP) length in wireless communication
US10334533B2 (en) 2016-11-02 2019-06-25 At&T Intellectual Property I, L.P. Non-orthogonal design for channel state information reference signals for a 5G air interface or other next generation network interfaces
US10237032B2 (en) 2017-01-06 2019-03-19 At&T Intellectual Property I, L.P. Adaptive channel state information reference signal configurations for a 5G wireless communication network or other next generation network
US10320512B2 (en) 2017-01-08 2019-06-11 At&T Intellectual Property I, L.P. Interference cancelation for 5G or other next generation network
CN110809319B (zh) * 2018-08-06 2023-10-31 黎光洁 一种物联网中的数据传输方法及数据传输系统
CN110858788B (zh) * 2018-08-07 2023-04-07 黎光洁 一种数据符号的配置方法
CN110086569B (zh) * 2019-04-03 2022-04-15 上海无线通信研究中心 车联网可变帧通信方法、终端及系统
US11616594B2 (en) * 2021-05-04 2023-03-28 Qualcomm Incorporated Utilizing padding duration at start of a half subframe

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KR20060008576A (ko) * 2004-07-21 2006-01-27 삼성전자주식회사 기지 순환접두부호를 이용하여 적응적 변조를 수행하는다중 반송파 전송 시스템 및 방법
KR100590486B1 (ko) * 2004-07-29 2006-06-19 에스케이 텔레콤주식회사 Ｔｄｄ 방식과 ｏｆｄｍ 변조 방식을 이용하는 이동통신망의 광중계기에서 전송 신호를 분리하는 스위칭타이밍 신호 생성 방법 및 시스템
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Also Published As

Publication number Publication date
BRPI0818547A2 (pt) 2015-06-16
CN101855880A (zh) 2010-10-06
WO2009052420A3 (fr) 2009-06-11
AU2008312350B2 (en) 2013-09-19
IL205026A0 (en) 2010-11-30
KR20100075642A (ko) 2010-07-02
JP2011502386A (ja) 2011-01-20
WO2009052420A2 (fr) 2009-04-23
AU2008312350A1 (en) 2009-04-23
EP2210383A4 (fr) 2012-09-12
MX2010004141A (es) 2010-08-10
EP2210383A2 (fr) 2010-07-28

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20150317