EP2014116A4 - Downlink synchronization channel and methods for cellular systems - Google Patents

Downlink synchronization channel and methods for cellular systems

Info

Publication number
EP2014116A4
EP2014116A4 EP07761055.8A EP07761055A EP2014116A4 EP 2014116 A4 EP2014116 A4 EP 2014116A4 EP 07761055 A EP07761055 A EP 07761055A EP 2014116 A4 EP2014116 A4 EP 2014116A4
Authority
EP
European Patent Office
Prior art keywords
methods
synchronization channel
cellular systems
downlink synchronization
downlink
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.)
Withdrawn
Application number
EP07761055.8A
Other languages
German (de)
French (fr)
Other versions
EP2014116A2 (en
Inventor
Eko N Onggosanusi
Anand G Dabak
Badri N Varadarajan
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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
Priority claimed from US11/737,554 external-priority patent/US8031745B2/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of EP2014116A2 publication Critical patent/EP2014116A2/en
Publication of EP2014116A4 publication Critical patent/EP2014116A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • 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
    • 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
    • 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
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
EP07761055.8A 2006-04-20 2007-04-20 Downlink synchronization channel and methods for cellular systems Withdrawn EP2014116A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US74525006P 2006-04-20 2006-04-20
US11/737,554 US8031745B2 (en) 2006-04-20 2007-04-19 Downlink synchronization channel and methods for cellular systems
PCT/US2007/067137 WO2007124451A2 (en) 2006-04-20 2007-04-20 Downlink synchronization channel and methods for cellular systems

Publications (2)

Publication Number Publication Date
EP2014116A2 EP2014116A2 (en) 2009-01-14
EP2014116A4 true EP2014116A4 (en) 2013-10-09

Family

ID=38625782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07761055.8A Withdrawn EP2014116A4 (en) 2006-04-20 2007-04-20 Downlink synchronization channel and methods for cellular systems

Country Status (4)

Country Link
EP (1) EP2014116A4 (en)
KR (1) KR101055895B1 (en)
CN (2) CN106304318B (en)
WO (1) WO2007124451A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8223625B2 (en) * 2006-08-23 2012-07-17 Qualcomm, Incorporated Acquisition in frequency division multiple access systems
US7965797B2 (en) 2007-11-01 2011-06-21 Texas Instruments Incorporated Method, system and apparatus for generating constant amplitude zero autocorrelation sequences
MX2010008504A (en) 2008-02-04 2010-08-30 Sharp Kk Mobile communication system, base station device, mobile station device, and mobile communication method.
CN106612502B (en) * 2015-10-22 2019-11-12 普天信息技术有限公司 A kind of acquisition methods and system of Physical Cell Identifier PCI

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1154662A1 (en) * 2000-05-10 2001-11-14 Mitsubishi Electric Information Technology Centre Europe B.V. Method for allocating secondary synchronisation codes to a base station of a mobile telecommunication system
US20020075833A1 (en) * 2000-08-04 2002-06-20 Interdigital Technology Corporation Periodic cell search
US20030091022A1 (en) * 2001-11-09 2003-05-15 Josef Blanz Communications in an asynchronous wireless network

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5930366A (en) * 1997-08-29 1999-07-27 Telefonaktiebolaget L M Ericsson Synchronization to a base station and code acquisition within a spread spectrum communication system
DE19916063C1 (en) * 1999-04-09 2000-07-13 Siemens Ag Synchronising method for radio communication system
US6717930B1 (en) * 2000-05-22 2004-04-06 Interdigital Technology Corporation Cell search procedure for time division duplex communication systems using code division multiple access
US6385264B1 (en) * 1999-06-08 2002-05-07 Qualcomm Incorporated Method and apparatus for mitigating interference between base stations in a wideband CDMA system
US6894995B2 (en) * 2001-06-22 2005-05-17 Interdigital Technology Corporation Apparatus and method for performing initial cell search in wireless communication systems
JP3394530B2 (en) * 2001-08-07 2003-04-07 松下電器産業株式会社 Cell search apparatus and cell search method
KR20050076886A (en) * 2004-01-26 2005-07-29 삼성전자주식회사 A method and apparatus of common channel beacon for inter-fa hard handover in w-cdma network

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1154662A1 (en) * 2000-05-10 2001-11-14 Mitsubishi Electric Information Technology Centre Europe B.V. Method for allocating secondary synchronisation codes to a base station of a mobile telecommunication system
US20020075833A1 (en) * 2000-08-04 2002-06-20 Interdigital Technology Corporation Periodic cell search
US20030091022A1 (en) * 2001-11-09 2003-05-15 Josef Blanz Communications in an asynchronous wireless network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TEXAS INSTRUMENTS: "Further Details of SCH Based on Approach 1 Option 2", 3GPP DRAFT; R1-070261 TI SCH PROPOSAL, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Sorrento, Italy; 20070110, 10 January 2007 (2007-01-10), XP050104298 *

Also Published As

Publication number Publication date
CN106304318A (en) 2017-01-04
WO2007124451A3 (en) 2008-12-11
CN103874188B (en) 2018-03-09
EP2014116A2 (en) 2009-01-14
WO2007124451A8 (en) 2008-10-23
CN106304318B (en) 2020-02-11
CN103874188A (en) 2014-06-18
KR20090008375A (en) 2009-01-21
WO2007124451A2 (en) 2007-11-01
KR101055895B1 (en) 2011-08-09

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