DE602007012658D1 - Em erweiterungsteil - Google Patents

Em erweiterungsteil

Info

Publication number
DE602007012658D1
DE602007012658D1 DE602007012658T DE602007012658T DE602007012658D1 DE 602007012658 D1 DE602007012658 D1 DE 602007012658D1 DE 602007012658 T DE602007012658 T DE 602007012658T DE 602007012658 T DE602007012658 T DE 602007012658T DE 602007012658 D1 DE602007012658 D1 DE 602007012658D1
Authority
DE
Germany
Prior art keywords
symbol
body portion
synchronization signal
beacon
initial
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.)
Active
Application number
DE602007012658T
Other languages
English (en)
Inventor
Rajiv Laroia
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of DE602007012658D1 publication Critical patent/DE602007012658D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/10—Secret communication by using two signals transmitted simultaneously or successively
    • 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
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/003—Arrangements to increase tolerance to errors in transmission or reception timing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Pens And Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Inorganic Insulating Materials (AREA)
DE602007012658T 2006-01-17 2007-01-16 Em erweiterungsteil Active DE602007012658D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/333,759 US20070165728A1 (en) 2006-01-17 2006-01-17 Multi-symbol signals including an initial symbol and an extension portion
PCT/US2007/060593 WO2007084898A2 (en) 2006-01-17 2007-01-16 Multi-symbol signals including an initial symbol and an extension portion

Publications (1)

Publication Number Publication Date
DE602007012658D1 true DE602007012658D1 (de) 2011-04-07

Family

ID=37945481

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007012658T Active DE602007012658D1 (de) 2006-01-17 2007-01-16 Em erweiterungsteil

Country Status (9)

Country Link
US (1) US20070165728A1 (de)
EP (1) EP1974517B1 (de)
JP (1) JP4927874B2 (de)
KR (1) KR100974374B1 (de)
CN (1) CN101375571B (de)
AT (1) ATE499786T1 (de)
DE (1) DE602007012658D1 (de)
TW (1) TW200803338A (de)
WO (1) WO2007084898A2 (de)

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US8351405B2 (en) * 2006-07-14 2013-01-08 Qualcomm Incorporated Method and apparatus for signaling beacons in a communication system
US7929619B2 (en) * 2006-04-14 2011-04-19 Qualcomm Incorporated Methods and apparatus for using tones in a wireless communication system
JP2009538545A (ja) * 2006-04-14 2009-11-05 クゥアルコム・インコーポレイテッド 無線通信システムにおいてトーンを使用する方法および装置
US8451914B2 (en) * 2006-04-14 2013-05-28 Qualcomm Incorporated Methods and apparatus for using tones in a wireless communication system
US8243659B2 (en) * 2007-03-15 2012-08-14 Nokia Corporation DVB low bit rate services
KR101467763B1 (ko) * 2008-01-03 2014-12-03 엘지전자 주식회사 가변 대역 시스템에서 프리엠블 전송 방법
GB2463508B (en) * 2008-09-16 2011-04-13 Toshiba Res Europ Ltd Wireless communications apparatus
WO2010082735A2 (en) * 2009-01-19 2010-07-22 Lg Electronics Inc. Method of transmitting signal in a wireless system
WO2010093204A2 (en) * 2009-02-12 2010-08-19 Lg Electronics Inc. Method for transmitting signal on bandwidth request channel at mobile station, mobile station apparatus using the same, method for performing bandwidth request procedure at base station, and base station apparatus using the same
US8761276B2 (en) * 2010-12-29 2014-06-24 Hong Kong Applied Science and Technology Research Institute Company Limited OFDM symbol structure for power line communication
US8774847B2 (en) * 2011-07-27 2014-07-08 Broadcom Corporation Cellular radio path measurement and reporting
US10097255B2 (en) * 2015-07-01 2018-10-09 Qualcomm Incorporated Joint channel and phase noise estimation in control symbols of a millimeter wave link
CN106658697B (zh) * 2015-11-04 2020-11-17 中兴通讯股份有限公司 同步信号发送、检测方法、基站及终端
JP7133898B2 (ja) * 2016-07-21 2022-09-09 キヤノン株式会社 通信装置、通信装置の制御方法、およびプログラム
KR20190035391A (ko) 2017-09-26 2019-04-03 삼성전자주식회사 프리앰블 심볼의 생성 장치와 방법, 및 프리앰블 심볼의 검출 장치와 방법
FR3078468A1 (fr) * 2018-02-28 2019-08-30 Orange Procede de mise en veille d'une station de base, produit programme d'ordinateur, dispositif, station de base et signal correspondants.
CN112187690B (zh) 2019-07-02 2022-10-04 华为技术有限公司 符号处理的方法与装置
CN112187682B (zh) * 2019-07-02 2022-08-26 华为技术有限公司 符号处理的方法与装置
JP7132310B2 (ja) 2020-11-24 2022-09-06 Ｎｅｃプラットフォームズ株式会社 データ送信装置、メッセージ生成装置、データ送信システム、方法およびプログラム

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US6618452B1 (en) * 1998-06-08 2003-09-09 Telefonaktiebolaget Lm Ericsson (Publ) Burst carrier frequency synchronization and iterative frequency-domain frame synchronization for OFDM
US6570909B1 (en) * 1999-07-09 2003-05-27 Nokia Mobile Phones Interference suppression in a CDMA receiver
US6721267B2 (en) * 2000-08-01 2004-04-13 Motorola, Inc. Time and bandwidth scalable slot format for mobile data system
US7027418B2 (en) * 2001-01-25 2006-04-11 Bandspeed, Inc. Approach for selecting communications channels based on performance
US7039140B2 (en) * 2001-03-08 2006-05-02 Proxim Wireless Corporation OFDM data demodulators synchronization
US7190748B2 (en) * 2001-08-17 2007-03-13 Dsp Group Inc. Digital front-end for wireless communication system
US7099299B2 (en) * 2002-03-04 2006-08-29 Agency For Science, Technology And Research CDMA system with frequency domain equalization
US6983845B2 (en) * 2002-06-28 2006-01-10 S.C. Johnson Home Storage, Inc. Recloseable storage bag with user-deformable air vent
SG129231A1 (en) 2002-07-03 2007-02-26 Oki Techno Ct Singapore Pte Receiver and method for wlan burst type signals
EP1563656A1 (de) * 2002-07-17 2005-08-17 Soma Networks, Inc. Frequenzbereichsentzerrung in kommunikationssystemen mit verschlüsselung
US7400573B2 (en) * 2003-04-29 2008-07-15 Intel Corporation Dynamic allocation of cyclic extension in orthogonal frequency division multiplexing systems
US7835262B2 (en) * 2003-05-14 2010-11-16 Texas Instruments Incorporated Multi-band OFDM communications system
KR100950646B1 (ko) * 2003-10-16 2010-04-01 삼성전자주식회사 다입다출 직교주파수분할다중 통신 시스템의 동기화를위한 프리앰블 전송 방법
US7477683B2 (en) * 2004-03-29 2009-01-13 Stmicroelectronics Ltd. Periodic DMT signals with cyclic extension
US7415262B2 (en) * 2004-03-29 2008-08-19 Intel Corporation Wireless access point power control
US7453912B2 (en) * 2004-04-15 2008-11-18 Qualcomm Incorporated Methods and apparatus for selecting between multiple carriers based on signal energy measurements
KR100923389B1 (ko) * 2004-04-15 2009-10-23 콸콤 인코포레이티드 다중-반송파 통신 방법 및 장치
JP4086304B2 (ja) * 2004-04-23 2008-05-14 株式会社東芝 通信装置、通信システム、および通信制御プログラム
US20050276337A1 (en) * 2004-06-09 2005-12-15 Lucent Technologies, Inc. Bandwidth efficient orthogonal frequency division multiplexing communication system
KR100659937B1 (ko) * 2004-10-12 2006-12-21 삼성전자주식회사 무선통신시스템에서 셀 인식 및 하향링크 동기를 획득하기위한 장치 및 방법
US8422955B2 (en) * 2004-12-23 2013-04-16 Qualcomm Incorporated Channel estimation for interference cancellation
JP4976419B2 (ja) * 2006-01-11 2012-07-18 クゥアルコム・インコーポレイテッド 無線ピア・ツー・ピアネットワークにおける無線装置発見

Also Published As

Publication number Publication date
KR100974374B1 (ko) 2010-08-05
CN101375571B (zh) 2013-07-31
EP1974517B1 (de) 2011-02-23
ATE499786T1 (de) 2011-03-15
TW200803338A (en) 2008-01-01
WO2007084898A2 (en) 2007-07-26
US20070165728A1 (en) 2007-07-19
JP2009524359A (ja) 2009-06-25
JP4927874B2 (ja) 2012-05-09
EP1974517A2 (de) 2008-10-01
WO2007084898A3 (en) 2007-10-04
KR20080087893A (ko) 2008-10-01
CN101375571A (zh) 2009-02-25

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