AU2002217057A1 - Code synchronization in a mobile communication device - Google Patents

Code synchronization in a mobile communication device

Info

Publication number
AU2002217057A1
AU2002217057A1 AU2002217057A AU1705702A AU2002217057A1 AU 2002217057 A1 AU2002217057 A1 AU 2002217057A1 AU 2002217057 A AU2002217057 A AU 2002217057A AU 1705702 A AU1705702 A AU 1705702A AU 2002217057 A1 AU2002217057 A1 AU 2002217057A1
Authority
AU
Australia
Prior art keywords
communication device
mobile communication
code synchronization
synchronization
code
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.)
Abandoned
Application number
AU2002217057A
Inventor
Hans Cavander
Lars Lennartsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 GB0028870A external-priority patent/GB2369531B/en
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2002217057A1 publication Critical patent/AU2002217057A1/en
Abandoned legal-status Critical Current

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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70758—Multimode search, i.e. using multiple search strategies
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
AU2002217057A 2000-11-27 2001-11-26 Code synchronization in a mobile communication device Abandoned AU2002217057A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0028870A GB2369531B (en) 2000-11-27 2000-11-27 Mobile communications device
GB0028870.4 2000-11-27
US25014500P 2000-12-01 2000-12-01
US60/250,145 2000-12-01
PCT/EP2001/013726 WO2002043264A2 (en) 2000-11-27 2001-11-26 Code synchronization in a mobile communication device

Publications (1)

Publication Number Publication Date
AU2002217057A1 true AU2002217057A1 (en) 2002-06-03

Family

ID=26245337

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002217057A Abandoned AU2002217057A1 (en) 2000-11-27 2001-11-26 Code synchronization in a mobile communication device

Country Status (3)

Country Link
US (1) US7039100B2 (en)
AU (1) AU2002217057A1 (en)
WO (1) WO2002043264A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7085313B2 (en) * 2001-02-17 2006-08-01 Koninklijke Philips Electronics N.V. Multiple channel joint decoding at mobile handset
US7273562B2 (en) 2002-04-17 2007-09-25 Nutech 03, Inc. Ozone injection method and system

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748876A1 (en) 1988-07-12 1997-11-21 Thomson Csf Communication system synchronisation method for high speed frequency hopping systems
US5579338A (en) * 1992-06-29 1996-11-26 Mitsubishi Denki Kabushiki Kaisha Spread spectrum receiver using partial correlations
BR9506273A (en) 1994-07-29 1997-08-12 Qualcomm Inc Method for determining the synchronization of the pn sequence in a spread spectrum communication system by direct sequence and apparatus and system for selecting a synchronized demodulation sequence
JPH0946174A (en) * 1995-07-31 1997-02-14 Sharp Corp Filter circuit
JPH0951288A (en) 1995-08-03 1997-02-18 Fujitsu Ltd Spread spectrum receiving device
JP2888783B2 (en) 1995-10-20 1999-05-10 エヌ・ティ・ティ移動通信網株式会社 Matched filter circuit for spread spectrum communication.
EP0825737B1 (en) * 1996-03-05 2007-05-02 NTT DoCoMo, Inc. Signal transmission method, transmitter and receiver in mobile communication system
JPH09321663A (en) 1996-05-28 1997-12-12 Oki Electric Ind Co Ltd Synchronous followup device
JP3376224B2 (en) 1996-10-23 2003-02-10 株式会社エヌ・ティ・ティ・ドコモ Initial synchronization method and receiver in asynchronous cellular system between DS-CDMA base stations
JPH10173632A (en) 1996-12-10 1998-06-26 Matsushita Electric Ind Co Ltd Receiving device
JP3373746B2 (en) 1997-01-07 2003-02-04 株式会社鷹山 Initial synchronization method and receiver in asynchronous cellular system between DS-CDMA base stations
JP2802058B2 (en) 1997-01-24 1998-09-21 株式会社ワイ・アール・ピー移動通信基盤技術研究所 CDMA mobile communication system and transmitting / receiving apparatus
EP0884856A3 (en) 1997-06-09 2002-04-10 Yozan Inc. Spread spectrum communication system
US6370130B1 (en) * 1997-06-09 2002-04-09 Yozan, Inc. Spread spectrum communication system
US6185244B1 (en) * 1997-08-29 2001-02-06 Telefonaktiebolaget Lm Ericsson Cell searching in a CDMA communications system
US6208632B1 (en) * 1998-01-29 2001-03-27 Sharp Laboratories Of America System and method for CDMA channel estimation
US6363105B1 (en) * 1998-02-17 2002-03-26 Ericsson Inc. Flexible sliding correlator for direct sequence spread spectrum systems
JP3856261B2 (en) * 1998-03-18 2006-12-13 ソニー株式会社 Synchronous detection device
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
JP3323453B2 (en) * 1999-02-09 2002-09-09 松下電器産業株式会社 CDMA receiving apparatus and CDMA receiving method
US6404758B1 (en) * 1999-04-19 2002-06-11 Ericsson, Inc. System and method for achieving slot synchronization in a wideband CDMA system in the presence of large initial frequency errors

Also Published As

Publication number Publication date
WO2002043264A3 (en) 2002-10-10
US20020191683A1 (en) 2002-12-19
US7039100B2 (en) 2006-05-02
WO2002043264A2 (en) 2002-05-30

Similar Documents

Publication Publication Date Title
AU2001296077A1 (en) Antenna system for use in a wireless communication system
AU2001276476A1 (en) Authentication in a mobile communications network
AU2001255077A1 (en) Mobile station
AU2001277084A1 (en) Wireless communication in a retail refueling environment
AU2001260333A1 (en) Interaction in a communication system
EP1128641A3 (en) Locking method in a mobile terminal
HK1063891A1 (en) Mobile communication device
AU6368900A (en) Selecting a communication mode in a mobile communication device
GB2366156B (en) Communication system selection in a mobile phone
AU2002221723A1 (en) A portable radio communications device
AU2002222184A1 (en) Mobile communication unit
AU2001249474A1 (en) Locating a mobile unit
AU2001266729A1 (en) Mobile device for elevating a user
AU2446201A (en) Time synchronization in a cellular network device
AU2001244684A1 (en) Wireless communication device
AU2002217057A1 (en) Code synchronization in a mobile communication device
AU2001234303A1 (en) Methods in a communication system
GB2371022B (en) A portable communication device
GB2397976B (en) Mobile communication device
AU2002213861A1 (en) Portable communications device, especially a mobile telephone
GB0000671D0 (en) A mobile telephone
GB0013762D0 (en) A mobile communications device
AU2002211832A1 (en) System for converting wireless communications for a mobile device
AU2002356316A1 (en) Time based paging in a cellular communication network
AU2001280186A1 (en) Mobile communication device