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Withdrawn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Withdrawn legal-status Critical Current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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/155Ground-based stations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069Cell search, i.e. determining cell identity [cell-ID]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005Allocation 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

Similar Documents

Publication Publication Date Title
IL198419A0 (en) Systems and methods for channel switching
GB2485081B8 (en) Method of performing uplink synchronization in wireless communication system
EP2092664A4 (en) System and method for timeslot and channel allocation
EP2109847A4 (en) Cross channel optimization systems and methods
HK1149383A1 (en) Equipments and methods for uplink timing synchronization
HK1186022A1 (en) Systems and methods for ofdm channelization ofdm
GB2426164B (en) Systems and methods for synchronizing time across networks
PL2169864T3 (en) Base station device, system, and synchronization channel transmission method
GB2456455B (en) Improved channel estimation system and method
GB2448842B (en) System and method for resilient wireless packet communications
TWI346475B (en) Channel switching method for wireless peripheral
EP2189011A4 (en) Systems and methods for uplink signalling
EP2184873A4 (en) Base station device, mobile station device, and synchronization channel transmission method
EP2015489A4 (en) Base station and synchronization channel generating method
EP2197534A4 (en) Systems and methods for neuro-eeg synchronization therapy
GB0520553D0 (en) Cellular communication system and method for co-existence of dissimillar systems
EP1983664A4 (en) Uplink and downlink channel configuration method in radio communication system
EP2223447A4 (en) Methods and systems for channelization
EP1983665A4 (en) Channel transmission method and base station
EP2151127A4 (en) Method and arrangement for improved channel switching
EP2061263A4 (en) Method and system for establishing high=speed downlink shared channel
EP2115627A4 (en) Synchronization methods and systems
EP2127437A4 (en) Systems and methods for improving reference signals for spatially multiplexed cellular systems
EP2237471A4 (en) Synchronization device and synchronization method
EP2056615A4 (en) Base station, mobile station, and pilot channel generation method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

R17D Deferred search report published (corrected)

Effective date: 20081211

RIC1 Information provided on ipc code assigned before grant

Ipc: H04L 12/28 20060101ALI20090326BHEP

Ipc: H04J 3/00 20060101ALI20090326BHEP

Ipc: H04B 7/216 20060101ALI20090326BHEP

Ipc: H04W 84/00 20090101AFI20090326BHEP

17P Request for examination filed

Effective date: 20090612

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB NL

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB NL

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20130906

RIC1 Information provided on ipc code assigned before grant

Ipc: H04W 84/00 20090101AFI20130902BHEP

Ipc: H04J 3/00 20060101ALI20130902BHEP

Ipc: H04B 7/216 20060101ALI20130902BHEP

Ipc: H04L 12/28 20060101ALI20130902BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20140405