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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) 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)
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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US8630229B2 (en) * 2009-07-06 2014-01-14 Intel Corporation Base station and method for reducing asynchronous interference in a multi-tier OFDMA overlay network
US8730854B2 (en) 2009-08-20 2014-05-20 Qualcomm Incorporated Timing adjustments in a communication system
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US9635666B2 (en) 2010-12-22 2017-04-25 Lg Electronics Inc. Method for reporting channel state information requiring sequential transmission in wireless communication system and apparatus for same
EP3327965B1 (en) 2011-02-04 2019-09-25 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
KR101990487B1 (ko) * 2011-03-25 2019-06-18 베이징 뉴프론트 모바일 멀티미디어 테크놀로지 씨오., 엘티디 무선통신시스템 및 통신방법
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
CN103609057B (zh) * 2011-05-18 2016-12-21 马维尔国际贸易有限公司 具有绿地前导码的短保护间隔
CN103748801B (zh) 2011-07-28 2017-08-04 三星电子株式会社 无线通信系统中用于波束形成的装置和方法
US9160511B2 (en) * 2012-01-30 2015-10-13 Qualcomm Incorporated Cyclic prefix in evolved multimedia broadcast multicast service with high transmit power
CN104380626B (zh) * 2012-06-17 2018-07-31 Lg电子株式会社 在无线通信系统中根据支持多个载波的帧结构收发信号的装置及其方法
US9497053B2 (en) 2013-03-11 2016-11-15 Futurewei Technologies, Inc. Upstream pilot structure in point to multipoint orthogonal frequency division multiplexing communication system
US9485678B2 (en) 2013-03-11 2016-11-01 Qualcomm Incorporated Effective utilization of cyclic prefix in OFDM systems under benign channel conditions
WO2015026821A1 (en) 2013-08-19 2015-02-26 Coherent Logix, Incorporated Parameterized radio waveform for operating in multiple wireless environments
EP3044923A2 (en) 2013-09-10 2016-07-20 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
US10218822B2 (en) 2013-10-25 2019-02-26 Marvell World Trade Ltd. Physical layer frame format for WLAN
US10194006B2 (en) 2013-10-25 2019-01-29 Marvell World Trade Ltd. Physical layer frame format for WLAN
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
US10084586B2 (en) * 2014-03-13 2018-09-25 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
WO2016146165A1 (en) * 2015-03-17 2016-09-22 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
CN107810616B (zh) * 2015-06-22 2021-01-26 Lg 电子株式会社 发送上行链路信道的方法和nb-iot设备
EP3370379A1 (en) * 2015-10-30 2018-09-05 Fujitsu Limited Multi-carrier modulation apparatus and multi-carrier demodulation apparatus, method and system
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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EP0938208A1 (en) * 1998-02-22 1999-08-25 Sony International (Europe) GmbH Multicarrier transmission, compatible with the existing GSM system
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
EP1650920B1 (en) * 2004-10-21 2017-12-06 Samsung Electronics Co., Ltd. Apparatus and method for canceling inter-symbol interference in an ofdm system.
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US8031583B2 (en) * 2005-03-30 2011-10-04 Motorola Mobility, Inc. Method and apparatus for reducing round trip latency and overhead within a communication system
JP2007159066A (ja) * 2005-12-08 2007-06-21 Sanyo Electric Co Ltd 無線通信装置及び無線通信制御方法

Also Published As

Publication number Publication date
AU2008312350A1 (en) 2009-04-23
CN101855880A (zh) 2010-10-06
EP2210383A4 (en) 2012-09-12
IL205026A0 (en) 2010-11-30
CA2702444A1 (en) 2009-04-23
MX2010004141A (es) 2010-08-10
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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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