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GB2320403B - Search apparatus and method for use in cdma receiver - Google Patents

Search apparatus and method for use in cdma receiver

Info

Publication number
GB2320403B
GB2320403B GB9725560A GB9725560A GB2320403B GB 2320403 B GB2320403 B GB 2320403B GB 9725560 A GB9725560 A GB 9725560A GB 9725560 A GB9725560 A GB 9725560A GB 2320403 B GB2320403 B GB 2320403B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
search
apparatus
method
use
cdma
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.)
Expired - Fee Related
Application number
GB9725560A
Other versions
GB2320403A (en )
GB9725560D0 (en )
Inventor
Hi-Chan Moon
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/7077Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H04B1/70775Multi-dwell schemes, i.e. multiple accumulation times
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70758Multimode search, i.e. using multiple search strategies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70751Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752Partial correlation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70755Setting of lock conditions, e.g. threshold
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/0022PN, e.g. Kronecker
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/10Code generation
GB9725560A 1996-12-03 1997-12-03 Search apparatus and method for use in cdma receiver Expired - Fee Related GB2320403B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR19960061401 1996-12-03

Publications (3)

Publication Number Publication Date
GB9725560D0 GB9725560D0 (en) 1998-02-04
GB2320403A true GB2320403A (en) 1998-06-17
GB2320403B true GB2320403B (en) 1999-05-05

Family

ID=19485596

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9725560A Expired - Fee Related GB2320403B (en) 1996-12-03 1997-12-03 Search apparatus and method for use in cdma receiver

Country Status (2)

Country Link
CN (1) CN1193225A (en)
GB (1) GB2320403B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9927919D0 (en) * 1999-11-26 2000-01-26 Roke Manor Research Method for performing timing measurements off air synchronisation
US7224719B1 (en) * 2000-03-31 2007-05-29 Qualcomm, Incorporated Fast acquisition of a pilot signal in a wireless communication device
US7003015B2 (en) * 2000-07-31 2006-02-21 Infineon Technologies Ag Apparatus and method for configurable multi-dwell search engine for spread spectrum applications
US6940827B2 (en) 2001-03-09 2005-09-06 Adaptix, Inc. Communication system using OFDM for one direction and DSSS for another direction
US6873910B2 (en) 2002-10-22 2005-03-29 Qualcomm Incorporated Procedure for searching for position determination signals using a plurality of search modes
US7292619B2 (en) * 2003-03-03 2007-11-06 Mitsubishi Electric Research Laboratories Method and system for acquiring ultra-wide-bandwidth communications signals using sequential block searches
US7164720B2 (en) * 2003-03-03 2007-01-16 Mitsubishi Electric Research Laboratories, Inc. Method and system for acquiring ultra-wide-bandwidth communications signals using average block searches
CN1698332B (en) 2003-03-03 2010-04-28 三菱电机株式会社;锡南·盖齐吉;小林久志;H·文森特·普 Method and system for acquiring a received impulse radio signal
US7623565B2 (en) 2004-09-20 2009-11-24 Cypress Semiconductor Corporation Method for providing packet framing in a communication system
CN101572565B (en) 2009-06-05 2013-03-13 华为技术有限公司 Real-time antenna data searching method, device and site

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0654913A2 (en) * 1993-11-23 1995-05-24 Nokia Mobile Phones Ltd. Synchronization technique for pseudonoise signals
WO1996014697A1 (en) * 1994-11-07 1996-05-17 Aeronet Wireless Communications, Inc. Correlation system for use in wireless direct sequence spread spectrum systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0654913A2 (en) * 1993-11-23 1995-05-24 Nokia Mobile Phones Ltd. Synchronization technique for pseudonoise signals
WO1996014697A1 (en) * 1994-11-07 1996-05-17 Aeronet Wireless Communications, Inc. Correlation system for use in wireless direct sequence spread spectrum systems

Also Published As

Publication number Publication date Type
GB2320403A (en) 1998-06-17 application
CN1193225A (en) 1998-09-16 application
GB9725560D0 (en) 1998-02-04 grant

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee