EG22322A - Cell search procedure for time division duplex communication system using code division multiple access - Google Patents

Cell search procedure for time division duplex communication system using code division multiple access

Info

Publication number
EG22322A
EG22322A EG20000681A EG20000681A EG22322A EG 22322 A EG22322 A EG 22322A EG 20000681 A EG20000681 A EG 20000681A EG 20000681 A EG20000681 A EG 20000681A EG 22322 A EG22322 A EG 22322A
Authority
EG
Egypt
Prior art keywords
code
communication system
multiple access
secondary synchronization
division multiple
Prior art date
Application number
EG20000681A
Other languages
English (en)
Inventor
Nadir Sezgin
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Application granted granted Critical
Publication of EG22322A publication Critical patent/EG22322A/xx

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
    • H04B1/70735—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
    • 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
    • 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
    • H04W74/04—Scheduled 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)
  • Data Exchanges In Wide-Area Networks (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)
  • Communication Control (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Vehicle Body Suspensions (AREA)
  • Small-Scale Networks (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
EG20000681A 1999-05-28 2000-05-27 Cell search procedure for time division duplex communication system using code division multiple access EG22322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13666499P 1999-05-28 1999-05-28

Publications (1)

Publication Number Publication Date
EG22322A true EG22322A (en) 2002-12-31

Family

ID=22473829

Family Applications (1)

Application Number Title Priority Date Filing Date
EG20000681A EG22322A (en) 1999-05-28 2000-05-27 Cell search procedure for time division duplex communication system using code division multiple access

Country Status (20)

Country Link
EP (4) EP1850497B1 (es)
JP (3) JP3631205B2 (es)
KR (5) KR100591972B1 (es)
CN (5) CN100482001C (es)
AT (3) ATE371309T1 (es)
AU (3) AU765193B2 (es)
BR (1) BRPI0010996B1 (es)
CA (5) CA2685026C (es)
DE (4) DE1188260T1 (es)
DK (3) DK1850497T3 (es)
EG (1) EG22322A (es)
ES (3) ES2352513T3 (es)
HK (5) HK1042995B (es)
IL (4) IL146742A0 (es)
MX (1) MXPA01012097A (es)
MY (1) MY130406A (es)
NO (1) NO324236B1 (es)
SG (1) SG121835A1 (es)
TW (1) TW484266B (es)
WO (1) WO2000074276A1 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814878B1 (fr) * 2000-10-02 2003-05-30 Mitsubishi Electric Inf Tech Procede d'emission d'un signal de synchronisation pendant un intervalle de temps de synchronisation d'un systeme de telecommunication radio-mobile du type duplex a division de temps (tdd)
TW490981B (en) * 2000-10-30 2002-06-11 Ind Tech Res Inst Method and device for code group identification and frame boundary synchronization
GB2374252A (en) * 2001-04-04 2002-10-09 Ubinetics Ltd Identification of neighbouring cell scrambling codes
GB2379841A (en) 2001-09-13 2003-03-19 Ipwireless Inc Efficient synchronisation channel encoding in UTRA TDDD mode
US6760365B2 (en) 2001-10-11 2004-07-06 Interdigital Technology Corporation Acquisition circuit for low chip rate option for mobile telecommunication system
KR100421585B1 (ko) 2001-10-25 2004-03-09 한국전자통신연구원 시간분할 듀플렉스 시스템에서 이동국의 셀 탐색 시스템및 그 방법
EP1449318A4 (en) * 2001-11-29 2007-08-15 Interdigital Tech Corp SYSTEM AND METHOD FOR USE OF PRIMARY AND SECONDARY SYNCHRONIZATION CODES DURING THE CELL SEARCH
US7065064B2 (en) * 2001-12-20 2006-06-20 Interdigital Technology Corporation Cell search using peak quality factors
CN100425015C (zh) * 2002-05-16 2008-10-08 智邦科技股份有限公司 相干型检测与译码方法与装置
GB2394868B (en) * 2002-11-01 2006-04-05 Ipwireless Inc Encoder and method for efficient synchronisation channel encoding in utra tdd mode
ITTO20021082A1 (it) 2002-12-13 2004-06-14 St Microelectronics Srl Procedimento e dispositivo di sincronizzazione ed identificazione del cosiddetto codegroup in sistemi di comunicazione di tipo cellulare, relativo prodotto informatico.
US6944142B2 (en) * 2003-05-13 2005-09-13 Interdigital Technology Corporation Method for soft and softer handover in time division duplex code division multiple access (TDD-CDMA) networks
CN1929320B (zh) * 2005-09-05 2010-05-05 中兴通讯股份有限公司 一种wcdma系统中实时产生辅助同步码的方法和装置
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
PL2122858T5 (pl) * 2007-01-08 2024-04-22 Telefonaktiebolaget Lm Ericsson (Publ) Sekwencje synchronizacji wtórnej do wykrywania grup komórek w systemie komunikacji komórkowej
MY150177A (en) * 2007-01-10 2013-12-13 Qualcomm Inc Fast cell search
KR100938756B1 (ko) 2007-07-06 2010-01-26 엘지전자 주식회사 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법
EP2187544B1 (en) * 2007-09-04 2018-04-18 SHARP Kabushiki Kaisha Base station apparatus, mobile station apparatus, distributed antenna wireless communications 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 (ru) * 2007-10-10 2012-05-27 Квэлкомм Инкорпорейтед Эффективные схемы идентификации системы для систем связи
CN102065032B (zh) * 2010-07-15 2013-06-12 西安电子科技大学 基于高空平台半再生式信号处理的移动通信系统及方法
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (ko) * 1997-08-20 2000-04-15 윤종용 코드분할 다중접속 방식의 이동 단말에서 지역번호 자동설정 방법
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
US6185244B1 (en) * 1997-08-29 2001-02-06 Telefonaktiebolaget Lm Ericsson Cell searching in a CDMA communications system
JPH11331036A (ja) * 1998-05-13 1999-11-30 Hitachi Ltd 符号分割接続方式移動通信システム及び該システムで用いるスロットタイミング同定方法と移動端末
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

Also Published As

Publication number Publication date
IL146742A0 (en) 2002-07-25
CN1901703A (zh) 2007-01-24
DE60036141T2 (de) 2008-05-21
ES2220472T3 (es) 2004-12-16
KR100457286B1 (ko) 2004-11-16
BR0010996A (pt) 2002-02-19
CN1352834A (zh) 2002-06-05
EP1188260B1 (en) 2004-07-14
EP1850497A3 (en) 2008-04-23
EP1443684A2 (en) 2004-08-04
MY130406A (en) 2007-06-29
EP1188260A1 (en) 2002-03-20
JP2003501872A (ja) 2003-01-14
CA2374307A1 (en) 2000-12-07
TW484266B (en) 2002-04-21
CA2637810C (en) 2010-02-02
EP2239864A2 (en) 2010-10-13
WO2000074276A1 (en) 2000-12-07
KR100591972B1 (ko) 2006-06-21
CA2685026C (en) 2013-09-17
CN1901715A (zh) 2007-01-24
CN1901407A (zh) 2007-01-24
IL206600A0 (en) 2011-07-31
DE60012175T2 (de) 2005-09-01
CA2637810A1 (en) 2000-12-07
AU2003266491A1 (en) 2004-01-15
HK1042995B (zh) 2004-12-24
CA2507751A1 (en) 2000-12-07
KR100720332B1 (ko) 2007-05-23
DE1188260T1 (de) 2003-11-27
AU5287600A (en) 2000-12-18
KR20020013900A (ko) 2002-02-21
ATE271285T1 (de) 2004-07-15
CN1901407B (zh) 2010-08-11
EP1443684A3 (en) 2005-03-30
BRPI0010996B1 (pt) 2015-08-25
ATE371309T1 (de) 2007-09-15
CA2578811C (en) 2008-10-21
ES2289384T3 (es) 2008-02-01
JP2004357326A (ja) 2004-12-16
AU2009200936A1 (en) 2009-04-02
DK1443684T3 (da) 2008-01-07
DK1850497T3 (da) 2010-12-13
DK1188260T3 (da) 2004-11-08
HK1103505A1 (en) 2007-12-21
DE60044916D1 (de) 2010-10-14
KR20060073707A (ko) 2006-06-28
KR100503720B1 (ko) 2005-07-26
HK1042995A1 (en) 2002-08-30
DE60036141D1 (de) 2007-10-04
JP2006094537A (ja) 2006-04-06
CA2578811A1 (en) 2000-12-07
CA2685026A1 (en) 2000-12-07
IL146742A (en) 2006-07-05
CA2374307C (en) 2005-08-30
NO20015708L (no) 2002-01-23
MXPA01012097A (es) 2002-07-22
CN100334818C (zh) 2007-08-29
EP1443684A9 (en) 2005-08-03
DE60012175D1 (de) 2004-08-19
EP1850497A2 (en) 2007-10-31
EP1443684B1 (en) 2007-08-22
HK1103483A1 (en) 2007-12-21
KR20040066178A (ko) 2004-07-23
AU2009200936B2 (en) 2010-04-22
ES2352513T3 (es) 2011-02-21
IL174227A0 (en) 2006-08-01
JP4667784B2 (ja) 2011-04-13
IL174227A (en) 2010-11-30
CN100482001C (zh) 2009-04-22
HK1103506A1 (en) 2007-12-21
CA2507751C (en) 2007-05-22
EP1850497B1 (en) 2010-09-01
AU2003266491B2 (en) 2006-05-04
EP2239864A9 (en) 2011-02-23
JP3631205B2 (ja) 2005-03-23
CN1174565C (zh) 2004-11-03
ATE480056T1 (de) 2010-09-15
KR100711564B1 (ko) 2007-04-27
NO324236B1 (no) 2007-09-10
CN100481747C (zh) 2009-04-22
CN1592153A (zh) 2005-03-09
KR20060022315A (ko) 2006-03-09
KR20050009749A (ko) 2005-01-25
NO20015708D0 (no) 2001-11-22
AU765193B2 (en) 2003-09-11
SG121835A1 (en) 2006-05-26
EP2239864A3 (en) 2011-08-03
HK1067469A1 (en) 2005-04-08

Similar Documents

Publication Publication Date Title
HK1103483A1 (en) Cell search procedure for time division duplex communication systems using code division multiple access
EP0620658A4 (en) MULTIPLE ACCESS MOBILE COMMUNICATION SYSTEM BY CODE DIFFERENCE.
TW351877B (en) An apparatus and method of configuring a cordless telephone for operating in a frequency hopping system
CA2371205A1 (en) Cell search appratus and method in cdma mobile communication system
RU2005116109A (ru) Подканалы для канала произвольного доступа в системе дуплексной связи с временным разделением каналов
UA43319C2 (uk) Система зв'язку cdma для забезпечення двостороннього зв'язку та центральний контролер для використання в системі
HK1127208A1 (en) Channel assignment in a spread spectrum cdma communication system
CA2144622A1 (en) Mobile Radio Communication System Employing Time Division Multiple Transmission Scheme
TW331682B (en) A wireless telecommunication system
NO980879L (no) FremgangsmÕte for dataoverf÷ring, samt celledelt radiosystem
JPS54129803A (en) Control system for mobile communication line
JPS642428A (en) Acquiring method for control signal of mca system