BRPI0816668A2 - Percepção de espectro para sistemas dmb-t usando cabeçalhos de quadro pn - Google Patents

Percepção de espectro para sistemas dmb-t usando cabeçalhos de quadro pn

Info

Publication number
BRPI0816668A2
BRPI0816668A2 BRPI0816668A BRPI0816668A2 BR PI0816668 A2 BRPI0816668 A2 BR PI0816668A2 BR PI0816668 A BRPI0816668 A BR PI0816668A BR PI0816668 A2 BRPI0816668 A2 BR PI0816668A2
Authority
BR
Brazil
Prior art keywords
dmb
systems
spectrum perception
frame headers
headers
Prior art date
Application number
Other languages
English (en)
Inventor
Hou-Shin Chen
Wen Gao
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0816668A2 publication Critical patent/BRPI0816668A2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
BRPI0816668 2007-09-28 2008-07-23 Percepção de espectro para sistemas dmb-t usando cabeçalhos de quadro pn BRPI0816668A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99578107P 2007-09-28 2007-09-28
PCT/US2008/008926 WO2009042008A1 (en) 2007-09-28 2008-07-23 Spectrum sensing for dmb-t systems using pn frame headers

Publications (1)

Publication Number Publication Date
BRPI0816668A2 true BRPI0816668A2 (pt) 2015-03-17

Family

ID=40042879

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0816668 BRPI0816668A2 (pt) 2007-09-28 2008-07-23 Percepção de espectro para sistemas dmb-t usando cabeçalhos de quadro pn

Country Status (7)

Country Link
US (1) US20110013731A1 (pt)
EP (1) EP2195993A1 (pt)
JP (1) JP2010541376A (pt)
KR (1) KR20100080593A (pt)
CN (1) CN101809960A (pt)
BR (1) BRPI0816668A2 (pt)
WO (1) WO2009042008A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009045245A1 (en) * 2007-09-28 2009-04-09 Thomson Licensing Time-frequency synchronization and frame number detection for dmb-t systems
CN102422634B (zh) * 2009-05-14 2014-12-03 皇家飞利浦电子股份有限公司 Dvb-t/h传输的鲁棒感测
JP5032538B2 (ja) * 2009-08-28 2012-09-26 株式会社東芝 伝送路応答推定器
US8749714B2 (en) 2010-01-05 2014-06-10 Qualcomm Incorporated Distinguishing and communicating between white space devices transmitting ATSC-compatible signals
CN102664642B (zh) * 2012-04-09 2014-03-12 北京航空航天大学 一种基于频谱感知的软件无线电系统
CN103716100B (zh) * 2013-12-18 2016-11-02 东南大学 一种基于线性合并的dtmb信号频谱感知方法
CN104506262B (zh) * 2014-12-16 2017-04-05 清华大学 基于pn序列自相关的自适应dtmb频谱检测方法
CN107238847A (zh) * 2017-04-21 2017-10-10 中国科学院光电研究院 一种卫星导航干扰信号检测方法及系统
CN113794663B (zh) * 2021-09-09 2023-10-10 深圳市极致汇仪科技有限公司 一种快速找到wifi帧头的fpga实现方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8045655B2 (en) * 2005-11-03 2011-10-25 Samsung Electronics Co., Ltd. Apparatus and method for signal detection in a cognitive radio-based wireless communication system
WO2007053196A1 (en) * 2005-11-07 2007-05-10 Thomson Licensing A digital detector for atsc digital television signals
CN101035295A (zh) * 2007-04-16 2007-09-12 北京航空航天大学 一种地面数字电视系统中的帧同步产生方法及其装置

Also Published As

Publication number Publication date
KR20100080593A (ko) 2010-07-09
EP2195993A1 (en) 2010-06-16
JP2010541376A (ja) 2010-12-24
WO2009042008A1 (en) 2009-04-02
US20110013731A1 (en) 2011-01-20
CN101809960A (zh) 2010-08-18

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]