CA2303232A1 - Initial acquisition and frame synchronization in spread spectrum communication system - Google Patents

Initial acquisition and frame synchronization in spread spectrum communication system Download PDF

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Publication number
CA2303232A1
CA2303232A1 CA002303232A CA2303232A CA2303232A1 CA 2303232 A1 CA2303232 A1 CA 2303232A1 CA 002303232 A CA002303232 A CA 002303232A CA 2303232 A CA2303232 A CA 2303232A CA 2303232 A1 CA2303232 A1 CA 2303232A1
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Canada
Prior art keywords
sequence
period
initial acquisition
short
communication system
Prior art date
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Granted
Application number
CA002303232A
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French (fr)
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CA2303232C (en
Inventor
Hi-Chan Moon
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Samsung Electronics Co Ltd
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Individual
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Publication of CA2303232A1 publication Critical patent/CA2303232A1/en
Application granted granted Critical
Publication of CA2303232C publication Critical patent/CA2303232C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • 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
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/007—Open loop measurement
    • H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
    • H04W56/0085—Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

Abstract

A device for rapidly performing initial acquisition and frame sync of a received signal for a receiver in a CDMA communication system. To this end, the base station multiplies a spreading sequence for a pilot channel by a sync pattern which maintains the same value for a sequence of a short period and for one period of this sequence but has different value at a boundary of one short sequence period. A mobile station initially calculates the spreading sequence of the short period and the correlation value to perform initial acquisition, and despreads N-chip duration around a boundary of the one short spreading sequence period to detect the multiplied pattern, thereby to acquire sync of a data frame.
CA002303232A 1998-07-21 1999-07-21 Initial acquisition and frame synchronization in spread spectrum communication system Expired - Fee Related CA2303232C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019980029344A KR20000009140A (en) 1998-07-21 1998-07-21 Apparatus and method for initial capture and frame synchronization of spread spectrum communication system
KR1998/29344 1998-07-21
PCT/KR1999/000389 WO2000005902A2 (en) 1998-07-21 1999-07-21 Initial acquisition and frame synchronization in spread spectrum communication system

Publications (2)

Publication Number Publication Date
CA2303232A1 true CA2303232A1 (en) 2000-02-03
CA2303232C CA2303232C (en) 2004-12-07

Family

ID=36590836

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002303232A Expired - Fee Related CA2303232C (en) 1998-07-21 1999-07-21 Initial acquisition and frame synchronization in spread spectrum communication system

Country Status (10)

Country Link
US (2) US6539047B1 (en)
EP (1) EP1040605B1 (en)
KR (1) KR20000009140A (en)
CN (1) CN1118157C (en)
AU (1) AU729076C (en)
BR (1) BR9906615A (en)
CA (1) CA2303232C (en)
DE (1) DE69931599T2 (en)
RU (1) RU2199185C2 (en)
WO (1) WO2000005902A2 (en)

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US7012906B1 (en) 1999-03-15 2006-03-14 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
KR20000073917A (en) * 1999-05-15 2000-12-05 윤종용 Apparatus and method for generating sync word pattern and transmitting and receiving said sync word in cdma communication system
JP3296341B2 (en) * 1999-09-20 2002-06-24 日本電気株式会社 Correlator
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US6959033B1 (en) * 2000-08-25 2005-10-25 Texas Instruments Incorporated System and method for assigning combiner channels in spread spectrum communications
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US6973579B2 (en) * 2002-05-07 2005-12-06 Interdigital Technology Corporation Generation of user equipment identification specific scrambling code for the high speed shared control channel
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DE102004052899B4 (en) 2004-11-02 2011-08-18 Lantiq Deutschland GmbH, 85579 Both on sporadic as well as on continuous data communication oriented OFDM transmission method for a WLAN
US8116354B2 (en) * 2008-06-13 2012-02-14 Mediatek Inc. Sync detection device and method for GNSS
US8594244B2 (en) * 2009-04-06 2013-11-26 Mediatek Inc. Data signal phase reversal correction method and system implementing the same
US8989239B2 (en) * 2010-05-10 2015-03-24 Ikanos Communications, Inc. Systems and methods for retransmission with on-line reconfiguration
US9292021B2 (en) * 2012-07-18 2016-03-22 Emerson Electric Co. Line communication with twinned HVAC units
US9106467B2 (en) 2013-11-08 2015-08-11 Intel Corporation Backchannel communications for initialization of high-speed networks
JP6526212B2 (en) * 2015-01-15 2019-06-05 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． Paging message transmission method, paging message receiving method, and device
US10158458B2 (en) * 2015-05-29 2018-12-18 Huawei Technologies Co., Ltd. Systems and methods for partial collision multiple access
US10903951B2 (en) * 2015-06-05 2021-01-26 Futurewei Technologies, Inc. Systems and methods for adaptive pilot allocation
US10763892B1 (en) * 2016-09-30 2020-09-01 EMC IP Holding Company LLC Managing inline data compression in storage systems
CN110138405B (en) * 2019-04-25 2021-05-14 广州海格通信集团股份有限公司 Communication apparatus and method
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Also Published As

Publication number Publication date
KR20000009140A (en) 2000-02-15
RU2199185C2 (en) 2003-02-20
CN1274493A (en) 2000-11-22
EP1040605A2 (en) 2000-10-04
WO2000005902A2 (en) 2000-02-03
AU729076C (en) 2001-08-30
CA2303232C (en) 2004-12-07
AU4935099A (en) 2000-02-14
AU729076B2 (en) 2001-01-25
CN1118157C (en) 2003-08-13
US6788732B2 (en) 2004-09-07
EP1040605B1 (en) 2006-05-31
DE69931599T2 (en) 2006-10-05
US20020191682A1 (en) 2002-12-19
BR9906615A (en) 2000-11-28
US6539047B1 (en) 2003-03-25
DE69931599D1 (en) 2006-07-06
WO2000005902A3 (en) 2000-04-20

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Effective date: 20170721

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