TWI260130B - Acquisition circuit for low chip rate option for mobile telecommunication system - Google Patents

Acquisition circuit for low chip rate option for mobile telecommunication system Download PDF

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Publication number
TWI260130B
TWI260130B TW092127578A TW92127578A TWI260130B TW I260130 B TWI260130 B TW I260130B TW 092127578 A TW092127578 A TW 092127578A TW 92127578 A TW92127578 A TW 92127578A TW I260130 B TWI260130 B TW I260130B
Authority
TW
Taiwan
Prior art keywords
code
sequence
circuit
correlator
training
Prior art date
Application number
TW092127578A
Other languages
English (en)
Chinese (zh)
Other versions
TW200419956A (en
Inventor
Alpaslan Demir
Fatih M Ozluturk
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
Publication of TW200419956A publication Critical patent/TW200419956A/zh
Application granted granted Critical
Publication of TWI260130B publication Critical patent/TWI260130B/zh

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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
    • 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
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • H04B1/708—Parallel implementation
    • 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
    • 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
    • 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
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources
    • 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
    • H04B2201/70718—Particular systems or standards
    • H04B2201/70724—UMTS

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
TW092127578A 2001-10-11 2002-10-11 Acquisition circuit for low chip rate option for mobile telecommunication system TWI260130B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32859001P 2001-10-11 2001-10-11

Publications (2)

Publication Number Publication Date
TW200419956A TW200419956A (en) 2004-10-01
TWI260130B true TWI260130B (en) 2006-08-11

Family

ID=23281594

Family Applications (4)

Application Number Title Priority Date Filing Date
TW092127578A TWI260130B (en) 2001-10-11 2002-10-11 Acquisition circuit for low chip rate option for mobile telecommunication system
TW094135398A TWI296467B (en) 2001-10-11 2002-10-11 Acquisition circuit for low chip rate option for mobile telecommunication system
TW091216175U TWM240735U (en) 2001-10-11 2002-10-11 User equipment (UE) having an acquisition circuit for 1.28 MCHPS chip rate mobile telecommunication system
TW091123441A TWI239727B (en) 2001-10-11 2002-10-11 Acquisition circuit for low chip rate option for mobile telecommunication system

Family Applications After (3)

Application Number Title Priority Date Filing Date
TW094135398A TWI296467B (en) 2001-10-11 2002-10-11 Acquisition circuit for low chip rate option for mobile telecommunication system
TW091216175U TWM240735U (en) 2001-10-11 2002-10-11 User equipment (UE) having an acquisition circuit for 1.28 MCHPS chip rate mobile telecommunication system
TW091123441A TWI239727B (en) 2001-10-11 2002-10-11 Acquisition circuit for low chip rate option for mobile telecommunication system

Country Status (14)

Country Link
US (5) US6760365B2 (enExample)
EP (1) EP1435139B9 (enExample)
JP (2) JP4011545B2 (enExample)
KR (6) KR20070106044A (enExample)
CN (2) CN1568582B (enExample)
AT (1) ATE415740T1 (enExample)
AU (1) AU2002347866B2 (enExample)
CA (1) CA2463499C (enExample)
DE (2) DE60230052D1 (enExample)
MX (1) MXPA04003323A (enExample)
MY (1) MY131068A (enExample)
NO (1) NO20041746L (enExample)
TW (4) TWI260130B (enExample)
WO (1) WO2003032512A1 (enExample)

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US8725502B2 (en) * 2008-06-05 2014-05-13 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
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US9083521B2 (en) * 2008-06-05 2015-07-14 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
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CN101615922B (zh) * 2008-06-24 2012-12-05 中兴通讯股份有限公司 一种下行同步跟踪方法及装置
US8743864B2 (en) * 2009-06-16 2014-06-03 Qualcomm Incorporated System and method for supporting higher-layer protocol messaging in an in-band modem
US8855100B2 (en) * 2009-06-16 2014-10-07 Qualcomm Incorporated System and method for supporting higher-layer protocol messaging in an in-band modem
WO2011025333A2 (ko) * 2009-08-28 2011-03-03 엘지전자 주식회사 무선 통신 시스템에서 단말이 소정의 ｔｄｄ 프레임 구조를 이용하여 신호를 송수신하는 방법
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CN102084693A (zh) * 2009-12-09 2011-06-01 高通股份有限公司 用于在td-scdma系统中确定b节点内蜂窝小区的方法和装置
US8837644B2 (en) 2012-06-29 2014-09-16 Blackberry Limited Method and apparatus of cross-correlation with application to channel estimation and detection
CN103051356B (zh) * 2013-01-21 2015-08-12 中兴通讯股份有限公司 Cdma通讯系统降低误码率的方法和装置
KR101463142B1 (ko) * 2013-02-15 2014-12-04 우리로광통신주식회사 차량 레이더 및 그 운영 방법
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Also Published As

Publication number Publication date
WO2003032512A1 (en) 2003-04-17
US20100046404A1 (en) 2010-02-25
AU2002347866B2 (en) 2005-11-17
MY131068A (en) 2007-07-31
TWI296467B (en) 2008-05-01
US20040202262A1 (en) 2004-10-14
DE60230052D1 (de) 2009-01-08
US20080298529A1 (en) 2008-12-04
KR100895660B1 (ko) 2009-05-07
CA2463499A1 (en) 2003-04-17
US7627020B2 (en) 2009-12-01
KR20050090099A (ko) 2005-09-12
JP2007110746A (ja) 2007-04-26
US6760365B2 (en) 2004-07-06
US7027495B2 (en) 2006-04-11
CA2463499C (en) 2008-04-29
KR20070106044A (ko) 2007-10-31
EP1435139B1 (en) 2008-11-26
KR20050035148A (ko) 2005-04-15
KR20040005747A (ko) 2004-01-16
CN2674798Y (zh) 2005-01-26
CN1568582B (zh) 2012-05-02
DE20215686U1 (de) 2003-03-20
EP1435139B9 (en) 2009-07-08
EP1435139A1 (en) 2004-07-07
KR100790922B1 (ko) 2008-01-03
KR100585980B1 (ko) 2006-06-07
US7403555B2 (en) 2008-07-22
JP4291357B2 (ja) 2009-07-08
TWM240735U (en) 2004-08-11
EP1435139A4 (en) 2005-04-20
MXPA04003323A (es) 2004-07-23
TWI239727B (en) 2005-09-11
KR20050098011A (ko) 2005-10-10
ATE415740T1 (de) 2008-12-15
CN1568582A (zh) 2005-01-19
NO20041746L (no) 2004-04-28
US20060133464A1 (en) 2006-06-22
KR200299433Y1 (ko) 2003-01-03
JP2005506734A (ja) 2005-03-03
JP4011545B2 (ja) 2007-11-21
TW200637192A (en) 2006-10-16
TW200419956A (en) 2004-10-01
US8005129B2 (en) 2011-08-23
US20030072357A1 (en) 2003-04-17

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