EP2014116A4 - Downlink synchronization channel and methods for cellular systems - Google Patents
Downlink synchronization channel and methods for cellular systemsInfo
- 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- Withdrawn
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)
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)
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)
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)
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 |
-
2007
- 2007-04-20 KR KR1020087028289A patent/KR101055895B1/en active IP Right Grant
- 2007-04-20 CN CN201610875425.6A patent/CN106304318B/en active Active
- 2007-04-20 EP EP07761055.8A patent/EP2014116A4/en not_active Withdrawn
- 2007-04-20 WO PCT/US2007/067137 patent/WO2007124451A2/en active Application Filing
- 2007-04-20 CN CN201410108050.1A patent/CN103874188B/en active Active
Patent Citations (3)
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)
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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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 |