WO2000074276A1 - Cell search procedure for time division duplex communication systems using code division multiple access - Google Patents
Cell search procedure for time division duplex communication systems using code division multiple access Download PDFInfo
- Publication number
- WO2000074276A1 WO2000074276A1 PCT/US2000/014339 US0014339W WO0074276A1 WO 2000074276 A1 WO2000074276 A1 WO 2000074276A1 US 0014339 W US0014339 W US 0014339W WO 0074276 A1 WO0074276 A1 WO 0074276A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- code
- base station
- signal
- signals
- synchronization signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7083—Cell search, e.g. using a three-step approach
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/70735—Code identification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
- H04B1/70752—Partial correlation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/04—Scheduled or contention-free access
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70702—Intercell-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Radio Relay Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Radar Systems Or Details Thereof (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Small-Scale Networks (AREA)
- Vehicle Body Suspensions (AREA)
- Bidirectional Digital Transmission (AREA)
Abstract
Description
Claims
Priority Applications (21)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1188260T DE1188260T1 (en) | 1999-05-28 | 2000-05-24 | METHOD FOR SEARCHING CELLS IN TDD / CDMA MESSAGE TRANSMISSION SYSTEMS |
DK00937742T DK1188260T3 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for time division, duplex communication systems using code division, multiple access |
AU52876/00A AU765193B2 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for time division duplex communication systems using code division multiple access |
CA002374307A CA2374307C (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for time division duplex communication systems using code division multiple access |
KR1020047020342A KR100591972B1 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for time division duplex communication systems using code division multiple access |
DK04008295T DK1443684T3 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for TDD / CDMA communication systems |
BRPI0010996-7A BRPI0010996B1 (en) | 1999-05-28 | 2000-05-24 | A process for a user equipment to synchronize both timing and a code group assigned to a base station in a time division duplex division multiple access communication system, division duplex code division multiple access communication system and time synchronization signal set for use in a wireless time division duplex communication system |
AT00937742T ATE271285T1 (en) | 1999-05-28 | 2000-05-24 | METHOD FOR CELL SEARCH IN TDD/CDMA COMMUNICATION SYSTEMS |
MXPA01012097A MXPA01012097A (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for time division duplex communication systems using code division multiple access. |
KR10-2004-7009505A KR100503720B1 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for time division duplex communication systems using code division multiple access |
JP2001500466A JP3631205B2 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure in time division duplex communication system using code division multiple access |
EP00937742A EP1188260B1 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for time division duplex communication systems using code division multiple access |
IL14674200A IL146742A0 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for communication systems |
DE60012175T DE60012175T2 (en) | 1999-05-28 | 2000-05-24 | CELL SEARCH METHOD IN TDD-CDMA MESSAGE TRANSMISSION SYSTEMS |
NO20015708A NO324236B1 (en) | 1999-05-28 | 2001-11-22 | Method for a user equipment for synchronizing time and a group code assigned to a base station in a time-shared duplex code-shared multiple access communication system |
IL146742A IL146742A (en) | 1999-05-28 | 2001-11-26 | Cell search procedure for communication systems |
HK02103321.2A HK1042995B (en) | 1999-05-28 | 2002-05-02 | Cell search procedure for time division duplex communication systems using code division multiple access |
AU2003266491A AU2003266491B2 (en) | 1999-05-28 | 2003-12-03 | Cell Search Procedure for Time Division Duplex communication systems using code division multiple access |
IL174227A IL174227A (en) | 1999-05-28 | 2006-03-09 | User equipment for receiving and transmitting communication signals |
AU2009200936A AU2009200936B2 (en) | 1999-05-28 | 2009-03-10 | A Base Station in a Time Division Duplex Communication System Using Code Division Multiple Access |
IL206600A IL206600A0 (en) | 1999-05-28 | 2010-06-24 | User equipment for receiving and transmitting communication signals |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13666499P | 1999-05-28 | 1999-05-28 | |
US60/136,664 | 1999-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000074276A1 true WO2000074276A1 (en) | 2000-12-07 |
Family
ID=22473829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/014339 WO2000074276A1 (en) | 1999-05-28 | 2000-05-24 | Cell search procedure for time division duplex communication systems using code division multiple access |
Country Status (20)
Country | Link |
---|---|
EP (4) | EP1850497B1 (en) |
JP (3) | JP3631205B2 (en) |
KR (5) | KR100591972B1 (en) |
CN (5) | CN100482001C (en) |
AT (3) | ATE371309T1 (en) |
AU (3) | AU765193B2 (en) |
BR (1) | BRPI0010996B1 (en) |
CA (5) | CA2507751C (en) |
DE (4) | DE60012175T2 (en) |
DK (3) | DK1850497T3 (en) |
EG (1) | EG22322A (en) |
ES (3) | ES2220472T3 (en) |
HK (5) | HK1042995B (en) |
IL (4) | IL146742A0 (en) |
MX (1) | MXPA01012097A (en) |
MY (1) | MY130406A (en) |
NO (1) | NO324236B1 (en) |
SG (1) | SG121835A1 (en) |
TW (1) | TW484266B (en) |
WO (1) | WO2000074276A1 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2368753A (en) * | 2000-10-30 | 2002-05-08 | Ind Tech Res Inst | Code group identification and frame synchronization in DS-CDMA systems |
WO2002082690A1 (en) * | 2001-04-04 | 2002-10-17 | Ubinetics Limited | Method and apparatus for fast wcdma acquisition |
KR100421585B1 (en) * | 2001-10-25 | 2004-03-09 | 한국전자통신연구원 | System for cell searching of mobile station in Time Division Duplex system and method thereof |
GB2394868A (en) * | 2002-11-01 | 2004-05-05 | Ipwireless Inc | Efficient synchronisation channel encoding in UTRA TDD mode using codeword generator matrix |
EP1429467A1 (en) * | 2002-12-13 | 2004-06-16 | STMicroelectronics S.r.l. | Method and device for synchronization and identification of the codegroup in cellular communication systems, computer program product therefor |
EP1435139A1 (en) * | 2001-10-11 | 2004-07-07 | Interdigital Technology Corporation | Acquisition circuit for low chip rate option for mobile telecommunication system |
EP1449318A2 (en) * | 2001-11-29 | 2004-08-25 | Interdigital Technology Corporation | System and method using primary and secondary synchronization codes during cell search |
EP1456971A1 (en) * | 2001-12-20 | 2004-09-15 | Interdigital Technology Corporation | Cell search using peak quality factors |
CN1319296C (en) * | 2000-10-02 | 2007-05-30 | 三菱电机株式会社 | Method for transferring synchronous signal in synchronous time gap of time division complexing radio communication system |
US7301930B2 (en) | 2001-09-13 | 2007-11-27 | Ipwireless, Inc. | Encoder and method for efficient synchronisation channel encoding in UTRA TDD mode |
CN100425015C (en) * | 2002-05-16 | 2008-10-08 | 智邦科技股份有限公司 | Homology type detecting and decoding method and device |
SG165172A1 (en) * | 2003-05-13 | 2010-10-28 | Interdigital Tech Corp | Method for soft and softer handover in time division duplex code division multiple access (tdd-cdma)networks |
US8634403B2 (en) | 2007-01-10 | 2014-01-21 | Qualcomm Incorporated | Fast cell search |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1929320B (en) * | 2005-09-05 | 2010-05-05 | 中兴通讯股份有限公司 | Method and device for real-time generation of auxiliary synchronous code in WCDMA system |
GB2458418B (en) | 2006-12-19 | 2011-08-03 | Lg Electronics Inc | Sequence generating method for efficient detection and method for transmitting and receiving signals using the same |
MY147045A (en) * | 2007-01-08 | 2012-10-15 | Ericsson Telefon Ab L M | Secondary synchronization sequences for cell group detection in a cellular communications sysytem |
KR100938756B1 (en) * | 2007-07-06 | 2010-01-26 | 엘지전자 주식회사 | Method for performing cell search procedure in wireless communication system |
JP4869404B2 (en) * | 2007-09-04 | 2012-02-08 | シャープ株式会社 | Base station apparatus, mobile station apparatus, distributed antenna wireless communication system, pilot channel generation method, synchronization channel generation method, and antenna selection method |
US9119132B2 (en) | 2007-10-10 | 2015-08-25 | Qualcomm Incorporated | Efficient system identification schemes for communication systems |
RU2452120C2 (en) * | 2007-10-10 | 2012-05-27 | Квэлкомм Инкорпорейтед | Efficient system identification schemes for communication systems |
CN102065032B (en) * | 2010-07-15 | 2013-06-12 | 西安电子科技大学 | Mobile communication system and method based on high altitude platform semi-regeneration signal processing |
US8954055B2 (en) * | 2011-11-10 | 2015-02-10 | Qualcomm Incorporated | Initial acquisition and neighbor search algorithms for wireless networks |
US9497719B2 (en) | 2012-01-29 | 2016-11-15 | Lg Electronics Inc. | User equipment and method for receiving synchronization signals, and base station and method for transmitting synchronization signals |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999012273A1 (en) * | 1997-08-29 | 1999-03-11 | Telefonaktiebolaget Lm Ericsson | Synchronization to a base station and code acquisition within a spread spectrum communications system |
Family Cites Families (7)
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US5164958A (en) * | 1991-05-22 | 1992-11-17 | Cylink Corporation | Spread spectrum cellular handoff method |
US5627855A (en) * | 1995-05-25 | 1997-05-06 | Golden Bridge Technology, Inc. | Programmable two-part matched filter for spread spectrum |
US6005854A (en) * | 1997-08-08 | 1999-12-21 | Cwill Telecommunication, Inc. | Synchronous wireless access protocol method and apparatus |
KR100253141B1 (en) * | 1997-08-20 | 2000-04-15 | 윤종용 | An automatic setting method of area code in cdma mobile communication |
US6185244B1 (en) * | 1997-08-29 | 2001-02-06 | Telefonaktiebolaget Lm Ericsson | Cell searching in a CDMA communications system |
JPH11331036A (en) * | 1998-05-13 | 1999-11-30 | Hitachi Ltd | Code division connection type mobile communication system, slot timing identifying method used in the same and mobile terminal |
US6526091B1 (en) * | 1998-08-17 | 2003-02-25 | Telefonaktiebolaget Lm Ericsson | Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties |
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2000
- 2000-05-24 CA CA002507751A patent/CA2507751C/en not_active Expired - Fee Related
- 2000-05-24 SG SG200307099A patent/SG121835A1/en unknown
- 2000-05-24 MX MXPA01012097A patent/MXPA01012097A/en active IP Right Grant
- 2000-05-24 IL IL14674200A patent/IL146742A0/en active IP Right Grant
- 2000-05-24 AU AU52876/00A patent/AU765193B2/en not_active Ceased
- 2000-05-24 CN CNB2006100997063A patent/CN100482001C/en not_active Expired - Lifetime
- 2000-05-24 CN CNB008081158A patent/CN1174565C/en not_active Expired - Fee Related
- 2000-05-24 KR KR1020047020342A patent/KR100591972B1/en not_active IP Right Cessation
- 2000-05-24 DK DK07114499.2T patent/DK1850497T3/en active
- 2000-05-24 DE DE60012175T patent/DE60012175T2/en not_active Expired - Lifetime
- 2000-05-24 DE DE60044916T patent/DE60044916D1/en not_active Expired - Lifetime
- 2000-05-24 CA CA002374307A patent/CA2374307C/en not_active Expired - Fee Related
- 2000-05-24 EP EP07114499A patent/EP1850497B1/en not_active Expired - Lifetime
- 2000-05-24 CN CNB2004100771246A patent/CN100334818C/en not_active Expired - Fee Related
- 2000-05-24 ES ES00937742T patent/ES2220472T3/en not_active Expired - Lifetime
- 2000-05-24 KR KR1020067010530A patent/KR100720332B1/en active IP Right Grant
- 2000-05-24 ES ES07114499T patent/ES2352513T3/en not_active Expired - Lifetime
- 2000-05-24 ES ES04008295T patent/ES2289384T3/en not_active Expired - Lifetime
- 2000-05-24 EP EP10170435A patent/EP2239864A3/en not_active Withdrawn
- 2000-05-24 CA CA002578811A patent/CA2578811C/en not_active Expired - Fee Related
- 2000-05-24 KR KR10-2001-7015278A patent/KR100457286B1/en not_active IP Right Cessation
- 2000-05-24 AT AT04008295T patent/ATE371309T1/en not_active IP Right Cessation
- 2000-05-24 EP EP04008295A patent/EP1443684B1/en not_active Expired - Lifetime
- 2000-05-24 DK DK00937742T patent/DK1188260T3/en active
- 2000-05-24 WO PCT/US2000/014339 patent/WO2000074276A1/en active Application Filing
- 2000-05-24 JP JP2001500466A patent/JP3631205B2/en not_active Expired - Fee Related
- 2000-05-24 DK DK04008295T patent/DK1443684T3/en active
- 2000-05-24 CN CNB2006100997059A patent/CN100481747C/en not_active Expired - Fee Related
- 2000-05-24 AT AT07114499T patent/ATE480056T1/en not_active IP Right Cessation
- 2000-05-24 DE DE1188260T patent/DE1188260T1/en active Pending
- 2000-05-24 KR KR1020067001772A patent/KR100711564B1/en not_active IP Right Cessation
- 2000-05-24 DE DE60036141T patent/DE60036141T2/en not_active Expired - Lifetime
- 2000-05-24 AT AT00937742T patent/ATE271285T1/en not_active IP Right Cessation
- 2000-05-24 KR KR10-2004-7009505A patent/KR100503720B1/en not_active IP Right Cessation
- 2000-05-24 CA CA002637810A patent/CA2637810C/en not_active Expired - Fee Related
- 2000-05-24 BR BRPI0010996-7A patent/BRPI0010996B1/en active IP Right Grant
- 2000-05-24 EP EP00937742A patent/EP1188260B1/en not_active Expired - Lifetime
- 2000-05-24 CN CN2006100997078A patent/CN1901407B/en not_active Expired - Fee Related
- 2000-05-24 CA CA2685026A patent/CA2685026C/en not_active Expired - Fee Related
- 2000-05-26 MY MYPI20002329A patent/MY130406A/en unknown
- 2000-05-27 EG EG20000681A patent/EG22322A/en active
- 2000-08-25 TW TW089110271A patent/TW484266B/en not_active IP Right Cessation
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2001
- 2001-11-22 NO NO20015708A patent/NO324236B1/en not_active IP Right Cessation
- 2001-11-26 IL IL146742A patent/IL146742A/en not_active IP Right Cessation
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2002
- 2002-05-02 HK HK02103321.2A patent/HK1042995B/en not_active IP Right Cessation
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2003
- 2003-12-03 AU AU2003266491A patent/AU2003266491B2/en not_active Ceased
-
2004
- 2004-07-23 JP JP2004215778A patent/JP4667784B2/en not_active Expired - Lifetime
-
2005
- 2005-02-02 HK HK05100861A patent/HK1067469A1/en not_active IP Right Cessation
- 2005-09-30 JP JP2005286692A patent/JP2006094537A/en active Pending
-
2006
- 2006-03-09 IL IL174227A patent/IL174227A/en not_active IP Right Cessation
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2007
- 2007-07-18 HK HK07107756.2A patent/HK1103505A1/en not_active IP Right Cessation
- 2007-07-18 HK HK07107757.1A patent/HK1103483A1/en not_active IP Right Cessation
- 2007-07-18 HK HK07107759.9A patent/HK1103506A1/en not_active IP Right Cessation
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2009
- 2009-03-10 AU AU2009200936A patent/AU2009200936B2/en not_active Ceased
-
2010
- 2010-06-24 IL IL206600A patent/IL206600A0/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1999012273A1 (en) * | 1997-08-29 | 1999-03-11 | Telefonaktiebolaget Lm Ericsson | Synchronization to a base station and code acquisition within a spread spectrum communications system |
Non-Patent Citations (2)
Title |
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EUROPEAN TELECOMMUNICATIONS STANDARD INSTITUTE (ETSI): "Universal Mobile Telcommunications System (UMTS);UMTS Terrestrial Radio Access (UTRA); Concept evaluation (UMTS 30.06 version 3.0.0)", TR 101146 V3.0.0, December 1997 (1997-12-01), XP002131073 * |
HIGUCHI K ET AL: "FAST CELL SEARCH ALGORITHM IN DS-CDMA MOBILE RADIO USING LONG SPREADING CODES", IEEE VEHICULAR TECHNOLOGY CONFERENCE,US,NEW YORK, IEEE, vol. CONF. 47, 4 May 1997 (1997-05-04), pages 1430 - 1434, XP000738598, ISBN: 0-7803-3660-7 * |
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1319296C (en) * | 2000-10-02 | 2007-05-30 | 三菱电机株式会社 | Method for transferring synchronous signal in synchronous time gap of time division complexing radio communication system |
GB2368753A (en) * | 2000-10-30 | 2002-05-08 | Ind Tech Res Inst | Code group identification and frame synchronization in DS-CDMA systems |
GB2368753B (en) * | 2000-10-30 | 2002-12-31 | Ind Tech Res Inst | Method and apparatus for code group identification and frame synchronization in DS-CDMA systems |
WO2002082690A1 (en) * | 2001-04-04 | 2002-10-17 | Ubinetics Limited | Method and apparatus for fast wcdma acquisition |
US7301930B2 (en) | 2001-09-13 | 2007-11-27 | Ipwireless, Inc. | Encoder and method for efficient synchronisation channel encoding in UTRA TDD mode |
EP1435139A4 (en) * | 2001-10-11 | 2005-04-20 | Interdigital Tech Corp | Acquisition circuit for low chip rate option for mobile telecommunication system |
EP1435139A1 (en) * | 2001-10-11 | 2004-07-07 | Interdigital Technology Corporation | Acquisition circuit for low chip rate option for mobile telecommunication system |
US8005129B2 (en) | 2001-10-11 | 2011-08-23 | Interdigital Technology Corporation | Acquisition circuit for low chip rate option for mobile telecommunication system |
US7627020B2 (en) | 2001-10-11 | 2009-12-01 | Interdigital Technology Corporation | Acquisition circuit for low chip rate option for mobile telecommunication system |
US7403555B2 (en) | 2001-10-11 | 2008-07-22 | Interdigital Technology Corporation | Acquisition circuit for low chip rate option for mobile telecommunication system |
US7027495B2 (en) | 2001-10-11 | 2006-04-11 | Interdigital Technology Corp. | Acquisition circuit for low chip rate option for mobile telecommunication system |
USRE44284E1 (en) | 2001-10-25 | 2013-06-11 | Electronics And Telecommunications Research Institute | Cell search system for mobile station in time division duplex system and method for the same |
US7321584B2 (en) | 2001-10-25 | 2008-01-22 | Electronics And Telecommunications Research Institute | Cell search system for mobile station in time division duplex system and method for the same |
KR100421585B1 (en) * | 2001-10-25 | 2004-03-09 | 한국전자통신연구원 | System for cell searching of mobile station in Time Division Duplex system and method thereof |
EP1449318A2 (en) * | 2001-11-29 | 2004-08-25 | Interdigital Technology Corporation | System and method using primary and secondary synchronization codes during cell search |
US7693123B2 (en) | 2001-11-29 | 2010-04-06 | Interdigital Technology Corporation | System and method using primary and secondary synchronization codes during cell search |
EP1449318A4 (en) * | 2001-11-29 | 2007-08-15 | Interdigital Tech Corp | System and method using primary and secondary synchronization codes during cell search |
EP1456971A1 (en) * | 2001-12-20 | 2004-09-15 | Interdigital Technology Corporation | Cell search using peak quality factors |
EP1456971A4 (en) * | 2001-12-20 | 2006-11-22 | Interdigital Tech Corp | Cell search using peak quality factors |
CN100425015C (en) * | 2002-05-16 | 2008-10-08 | 智邦科技股份有限公司 | Homology type detecting and decoding method and device |
GB2394868B (en) * | 2002-11-01 | 2006-04-05 | Ipwireless Inc | Encoder and method for efficient synchronisation channel encoding in utra tdd mode |
GB2394868A (en) * | 2002-11-01 | 2004-05-05 | Ipwireless Inc | Efficient synchronisation channel encoding in UTRA TDD mode using codeword generator matrix |
US7123929B2 (en) | 2002-12-13 | 2006-10-17 | Stmicroelectronics S.R.L. | Method and device for synchronization and identification of the codegroup in cellular communication systems and computer program product therefor |
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