BRPI0818547A2 - Estrutura de quadro ofdm/ofdma para sistemas de comunicações - Google Patents

Estrutura de quadro ofdm/ofdma para sistemas de comunicações

Info

Publication number
BRPI0818547A2
BRPI0818547A2 BRPI0818547-6A BRPI0818547A BRPI0818547A2 BR PI0818547 A2 BRPI0818547 A2 BR PI0818547A2 BR PI0818547 A BRPI0818547 A BR PI0818547A BR PI0818547 A2 BRPI0818547 A2 BR PI0818547A2
Authority
BR
Brazil
Prior art keywords
ofdm
frame structure
communications systems
ofdma frame
ofdma
Prior art date
Application number
BRPI0818547-6A
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 BRPI0818547A2 publication Critical patent/BRPI0818547A2/pt

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
BRPI0818547-6A 2007-10-17 2008-10-17 Estrutura de quadro ofdm/ofdma para sistemas de comunicações BRPI0818547A2 (pt)

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
BRPI0818547A2 true BRPI0818547A2 (pt) 2015-06-16

Family

ID=40568087

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0818547-6A BRPI0818547A2 (pt) 2007-10-17 2008-10-17 Estrutura de quadro ofdm/ofdma para sistemas de comunicações

Country Status (10)

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

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KR101859594B1 (ko) 2011-03-10 2018-06-28 삼성전자 주식회사 통신시스템에서 시분할복신 지원 방법 및 장치
EP2690920B1 (en) * 2011-03-25 2020-01-22 Beijing Nufront Mobile Multimedia Technology Co., Ltd. Wireless communication system and communication method therefor
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WO2013015636A2 (en) * 2011-07-28 2013-01-31 Samsung Electronics Co., Ltd. Apparatus and method for beamforming in wireless communication system
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KR20150023778A (ko) 2012-06-17 2015-03-05 엘지전자 주식회사 무선통신 시스템에서 TDD(Time Division Duplex) 프레임 구조를 이용하여 신호를 송수신하는 방법 및 이를 위한 장치
US9485678B2 (en) * 2013-03-11 2016-11-01 Qualcomm Incorporated Effective utilization of cyclic prefix in OFDM systems under benign channel conditions
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KR102107915B1 (ko) 2013-08-19 2020-05-07 코히어런트 로직스, 인코포레이티드 다중 무선 환경에서 동작하기 위해 파라미터화된 라디오 파형
WO2015038647A2 (en) 2013-09-10 2015-03-19 Marvell World Trade Ltd. Extended guard interval for outdoor wlan
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
EP3061219B1 (en) 2013-10-25 2020-04-08 Marvell World Trade Ltd. Range extension mode for wifi
US10218822B2 (en) 2013-10-25 2019-02-26 Marvell World Trade Ltd. Physical layer frame format for WLAN
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
EP3119025A4 (en) * 2014-03-13 2017-10-25 LG Electronics Inc. Method for transmitting and receiving signal for low latency in wireless communication system and apparatus therefor
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
JP6571789B2 (ja) * 2015-03-17 2019-09-04 ノキア ソリューションズ アンド ネットワークス オサケユキチュア 増大したサブキャリア間隔を用いたｌｔｅキャリア帯域幅拡張のための方法、装置、システムおよびコンピュータ・プログラム
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 (ko) 2015-06-22 2016-12-29 엘지전자 주식회사 상향링크 채널을 전송하는 방법 및 nb-iot 기기
WO2017070936A1 (zh) * 2015-10-30 2017-05-04 富士通株式会社 多载波调制装置、多载波解调装置、方法和系统
US10461975B2 (en) * 2016-05-11 2019-10-29 Qualcomm Incorporated Dynamic cyclic prefix (CP) length in wireless communication
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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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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
EP2210383A2 (en) 2010-07-28
EP2210383A4 (en) 2012-09-12
MX2010004141A (es) 2010-08-10
KR20100075642A (ko) 2010-07-02
AU2008312350A1 (en) 2009-04-23
CN101855880A (zh) 2010-10-06
JP2011502386A (ja) 2011-01-20
CA2702444A1 (en) 2009-04-23
IL205026A0 (en) 2010-11-30
WO2009052420A2 (en) 2009-04-23
AU2008312350B2 (en) 2013-09-19
WO2009052420A3 (en) 2009-06-11

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04L 27/26

Ipc: H04L 27/26 (1968.09), H04L 5/00 (1968.09)

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements