GB2384955B - Path timing estimation in a spread-spectrum receiver - Google Patents

Path timing estimation in a spread-spectrum receiver

Info

Publication number
GB2384955B
GB2384955B GB0202229A GB0202229A GB2384955B GB 2384955 B GB2384955 B GB 2384955B GB 0202229 A GB0202229 A GB 0202229A GB 0202229 A GB0202229 A GB 0202229A GB 2384955 B GB2384955 B GB 2384955B
Authority
GB
United Kingdom
Prior art keywords
spread
timing estimation
spectrum receiver
path timing
spectrum
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
GB0202229A
Other versions
GB0202229D0 (en
GB2384955A (en
Inventor
Gideon Kutz
David Solomon
Yoram Or
Amir Chass
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.)
Motorola Solutions Inc
NXP USA Inc
Original Assignee
Freescale Semiconductor Inc
Motorola Inc
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 Freescale Semiconductor Inc, Motorola Inc filed Critical Freescale Semiconductor Inc
Priority to GB0202229A priority Critical patent/GB2384955B/en
Publication of GB0202229D0 publication Critical patent/GB0202229D0/en
Priority to PCT/EP2003/000280 priority patent/WO2003065605A1/en
Priority to TW92101456A priority patent/TW200303655A/en
Publication of GB2384955A publication Critical patent/GB2384955A/en
Application granted granted Critical
Publication of GB2384955B publication Critical patent/GB2384955B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0202229A 2002-01-31 2002-01-31 Path timing estimation in a spread-spectrum receiver Expired - Fee Related GB2384955B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0202229A GB2384955B (en) 2002-01-31 2002-01-31 Path timing estimation in a spread-spectrum receiver
PCT/EP2003/000280 WO2003065605A1 (en) 2002-01-31 2003-01-13 Path timing estimation in a spread-spectrum receiver
TW92101456A TW200303655A (en) 2002-01-31 2003-01-23 Path timing estimation in a spread-spectrum receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0202229A GB2384955B (en) 2002-01-31 2002-01-31 Path timing estimation in a spread-spectrum receiver

Publications (3)

Publication Number Publication Date
GB0202229D0 GB0202229D0 (en) 2002-03-20
GB2384955A GB2384955A (en) 2003-08-06
GB2384955B true GB2384955B (en) 2005-08-24

Family

ID=9930115

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0202229A Expired - Fee Related GB2384955B (en) 2002-01-31 2002-01-31 Path timing estimation in a spread-spectrum receiver

Country Status (3)

Country Link
GB (1) GB2384955B (en)
TW (1) TW200303655A (en)
WO (1) WO2003065605A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115413010A (en) * 2021-05-28 2022-11-29 维沃移动通信有限公司 Transmission method, device, equipment and readable storage medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1117185A1 (en) * 2000-01-14 2001-07-18 Lucent Technologies Inc. Method and rake receiver for code-tracking in CDMA communication systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0993127A1 (en) * 1998-10-06 2000-04-12 Texas Instruments Incorporated Method and apparatus using Walsh-Hadamard transformation for forward link multiuser detection in CDMA systems
JP2000295200A (en) * 1999-04-01 2000-10-20 Matsushita Electric Ind Co Ltd Interference signal eliminating unit
JP4327973B2 (en) * 2000-01-25 2009-09-09 パナソニック株式会社 Reception device and reception time estimation method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1117185A1 (en) * 2000-01-14 2001-07-18 Lucent Technologies Inc. Method and rake receiver for code-tracking in CDMA communication systems

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Fock, G et al: "Multipath Resistant Coherent Timing-Error-Detector for DS-CDMA applications", proceedings of IEEE 6th International Symposium on Spread-Spectrum Techniques (ISSTA 2000), vol. 1, pp278-282, 2000. *
Lin, Jia-Chin: "A Modified PN Code Tracking Loop for Direct-Sequence Spread-Spectrum Communication Over Arbitrarily Correlated Multipath Fading Channels", IEEE Journal on Selected Areas in Communications, vol. 19, no. 12, pp 2381-2395, December 2001. *
Sheen, Wern-Ho and Tai, Chien-Hsaing: "A Noncoherent Tracking Loop with Diversity and Multipath Interference Cancellation for Direct-Sequence Spread-Spectrum Systems", IEEE Transactions on Communications, vol. 46, no. 11, pp1516-1524, November 1998. *

Also Published As

Publication number Publication date
TW200303655A (en) 2003-09-01
GB0202229D0 (en) 2002-03-20
GB2384955A (en) 2003-08-06
WO2003065605A1 (en) 2003-08-07

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080131