CA2583721C - Improved beacon signals facilitating signal detection and timing synchronization - Google Patents

Improved beacon signals facilitating signal detection and timing synchronization Download PDF

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Publication number
CA2583721C
CA2583721C CA2583721A CA2583721A CA2583721C CA 2583721 C CA2583721 C CA 2583721C CA 2583721 A CA2583721 A CA 2583721A CA 2583721 A CA2583721 A CA 2583721A CA 2583721 C CA2583721 C CA 2583721C
Authority
CA
Canada
Prior art keywords
transmitter
beacon signal
signal
base station
time periods
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.)
Expired - Fee Related
Application number
CA2583721A
Other languages
English (en)
French (fr)
Other versions
CA2583721A1 (en
Inventor
Rajiv Laroia
Vladimir Parizhsky
Junyi Li
Sathyadev Venkata Uppala
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 CA2583721A1 publication Critical patent/CA2583721A1/en
Application granted granted Critical
Publication of CA2583721C publication Critical patent/CA2583721C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Relay Systems (AREA)
CA2583721A 2004-10-14 2005-10-14 Improved beacon signals facilitating signal detection and timing synchronization Expired - Fee Related CA2583721C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US61872004P 2004-10-14 2004-10-14
US60/618,720 2004-10-14
PCT/US2005/037019 WO2006044661A2 (en) 2004-10-14 2005-10-14 Improved beacon signals facilitating signal detection and timing synchronization

Publications (2)

Publication Number Publication Date
CA2583721A1 CA2583721A1 (en) 2006-04-27
CA2583721C true CA2583721C (en) 2010-03-30

Family

ID=36203557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2583721A Expired - Fee Related CA2583721C (en) 2004-10-14 2005-10-14 Improved beacon signals facilitating signal detection and timing synchronization

Country Status (6)

Country Link
EP (1) EP1807953A2 (ko)
JP (2) JP2008517537A (ko)
KR (1) KR20070085357A (ko)
CN (1) CN101292452A (ko)
CA (1) CA2583721C (ko)
WO (1) WO2006044661A2 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7801227B2 (en) * 2006-04-14 2010-09-21 Qualcomm Incorporated Methods and apparatus related to composite beacon and wideband synchronization signaling
US8488477B2 (en) 2006-06-16 2013-07-16 Qualcomm Incorporated Encoding information in beacon signals
US8665799B2 (en) * 2006-09-14 2014-03-04 Qualcomm Incorporated Beacon assisted cell search in a wireless communication system
UA94482C2 (ru) * 2006-10-03 2011-05-10 Квелкомм Інкорпорейтед Передача синхронизации в системе беспроводной связи
US20090075664A1 (en) * 2007-09-14 2009-03-19 Qualcomm Incorporated Multiplexed beacon symbols for a wireless communication system
JP5015103B2 (ja) * 2008-09-17 2012-08-29 株式会社エヌ・ティ・ティ・ドコモ 通信システム及び通信端末並びに方法
JP5263909B2 (ja) 2009-11-25 2013-08-14 シャープ株式会社 無線通信システム
WO2014124237A1 (en) * 2013-02-07 2014-08-14 Interdigital Patent Holdings, Inc. Long-range device discovery with directional transmissions
US9496975B2 (en) * 2014-09-19 2016-11-15 Qualcomm Incorporated Dynamic directional synchronization signals in wireless communications

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS648738A (en) * 1987-07-01 1989-01-12 Toshiba Corp Radio communication system
JPS6451837A (en) * 1987-08-24 1989-02-28 Nec Corp Small sized earth station
JPH07245574A (ja) * 1994-03-07 1995-09-19 Nippon Hoso Kyokai <Nhk> ディジタル信号伝送方法
JPH10210002A (ja) * 1997-01-17 1998-08-07 Victor Co Of Japan Ltd 移動通信方式
JP3985299B2 (ja) * 1997-07-14 2007-10-03 三菱電機株式会社 移動通信システム
JP2000115834A (ja) * 1998-10-05 2000-04-21 Sony Corp 通信方法、基地局装置及び通信端末装置
JP2000134174A (ja) * 1998-10-22 2000-05-12 Victor Co Of Japan Ltd Ｏｆｄｍ受信装置
US6389087B1 (en) * 1999-06-23 2002-05-14 At&T Wireless Services, Inc. Apparatus and method for synchronization in a multiple-carrier communication system by observing energy within a guard band
JP2001119744A (ja) * 1999-10-18 2001-04-27 Advanced Space Communications Research Laboratory 移動通信方法
JP2002152083A (ja) * 2000-11-08 2002-05-24 Miyota Kk Ｓｓ通信装置
JP2002223479A (ja) * 2001-01-29 2002-08-09 Mitsubishi Materials Corp 無線データ通信システム、基地局、移動局およびプログラム
ATE345618T1 (de) * 2001-03-09 2006-12-15 Flarion Technologies Inc Verfahren zur symboltaktsynchronisation in kommunikationssystemen
US6940827B2 (en) * 2001-03-09 2005-09-06 Adaptix, Inc. Communication system using OFDM for one direction and DSSS for another direction
US6912262B1 (en) * 2001-04-30 2005-06-28 Maxim Integrated Products, Inc. Wideband symbol synchronization in the presence of multiple strong narrowband interference
JP3693025B2 (ja) * 2002-02-21 2005-09-07 ソニー株式会社 無線通信方法、無線通信システム、無線基地局、無線通信端末、プログラム及び媒体
JP2003264870A (ja) * 2002-03-07 2003-09-19 Sony Corp 無線通信システム、移動無線通信装置および方法、固定無線通信装置および方法、記録媒体、並びにプログラム
JP3927447B2 (ja) * 2002-05-21 2007-06-06 ソフトバンクテレコム株式会社 移動体通信システムおよび送信機、受信機
JP4095665B2 (ja) * 2002-12-27 2008-06-04 ソフトバンクテレコム株式会社 チャネル割り当て方法
US7092353B2 (en) * 2003-10-17 2006-08-15 Qualcomm Incorporated Carrier search methods and apparatus
JP2005333344A (ja) * 2004-05-19 2005-12-02 Toshiba Corp 無線通信装置

Also Published As

Publication number Publication date
EP1807953A2 (en) 2007-07-18
CA2583721A1 (en) 2006-04-27
JP2008517537A (ja) 2008-05-22
CN101292452A (zh) 2008-10-22
JP2010268472A (ja) 2010-11-25
WO2006044661A3 (en) 2008-01-17
KR20070085357A (ko) 2007-08-27
WO2006044661A2 (en) 2006-04-27

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