AT544243T - Suchfensterverzögerungsnachführung in a kodemultiplexvielfachzugriffsübertragungssystem - Google Patents

Suchfensterverzögerungsnachführung in a kodemultiplexvielfachzugriffsübertragungssystem

Info

Publication number
AT544243T
AT544243T AT02014899T AT02014899T AT544243T AT 544243 T AT544243 T AT 544243T AT 02014899 T AT02014899 T AT 02014899T AT 02014899 T AT02014899 T AT 02014899T AT 544243 T AT544243 T AT 544243T
Authority
AT
Austria
Prior art keywords
suchfensterverzögerungsnachführung
kodemultiplexvielfachzugriffsübertragungssystem
Prior art date
Application number
AT02014899T
Other languages
German (de)
Inventor
Oliver Klein
Ingolf Held
Original Assignee
Ericsson Telefon Ab L M
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
Family has litigation
Priority to US09/901,571 priority Critical patent/US7058399B2/en
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25414444&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AT544243(T) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of AT544243T publication Critical patent/AT544243T/en

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
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7113Determination of path profile
    • 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
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B2001/70706Spread spectrum techniques using direct sequence modulation using a code tracking loop, e.g. a delay locked loop
AT02014899T 2001-07-11 2002-07-05 Suchfensterverzögerungsnachführung in a kodemultiplexvielfachzugriffsübertragungssystem AT544243T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US09/901,571 US7058399B2 (en) 2001-07-11 2001-07-11 Search window delay tracking in code division multiple access communication systems

Publications (1)

Publication Number Publication Date
AT544243T true AT544243T (en) 2012-02-15

Family

ID=25414444

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02014899T AT544243T (en) 2001-07-11 2002-07-05 Suchfensterverzögerungsnachführung in a kodemultiplexvielfachzugriffsübertragungssystem

Country Status (3)

Country Link
US (1) US7058399B2 (en)
EP (1) EP1276248B1 (en)
AT (1) AT544243T (en)

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DE60137574D1 (en) * 2001-09-25 2009-03-19 St Microelectronics Nv Method and device for particular cellular estimation of speed of a mobile terminal with UMTS mobile phone capability
GB0126267D0 (en) * 2001-11-01 2002-01-02 Nokia Corp Repeater detection
US20030127950A1 (en) * 2002-01-10 2003-07-10 Cheng-Hui Tseng Mail opening bag for preventing infection of bacteria-by-mail
US7016692B2 (en) * 2002-03-20 2006-03-21 Samsung Electronics Co., Ltd. Technique to facilitate location determination of wireless data calls
US7286593B1 (en) * 2002-07-15 2007-10-23 National Semiconductor Corporation System and method for channel estimation in a radio frequency receiver
WO2004017534A1 (en) * 2002-08-19 2004-02-26 Nokia Corporation Rake receiver
US20040042411A1 (en) * 2002-08-30 2004-03-04 Erik Dahlback Method and apparatus for controlling the rate of path searching in a communications system
US7142586B2 (en) * 2002-09-18 2006-11-28 Telefonaktiebolaget Lm Ericsson (Publ) Robust delay estimation architecture
US20040146093A1 (en) * 2002-10-31 2004-07-29 Olson Eric S. Systems and methods for reducing interference in CDMA systems
EP1447914B1 (en) * 2003-02-05 2012-07-04 Intel Mobile Communications Technology GmbH Detection of data transmission paths
US20040156421A1 (en) * 2003-02-10 2004-08-12 Hirohisa Yamaguchi Coding and receiver structure for ultra wide band communications
US7206577B2 (en) * 2003-05-06 2007-04-17 Nokia Corporation Method and apparatus for receiving site selection diversity transmit (SSDT) signal in a wideband code division multiple access (WCDMA) system
AT373344T (en) * 2003-06-13 2007-09-15 Ericsson Telefon Ab L M Method and apparatus for setting a multipath search window
WO2004112269A1 (en) * 2003-06-13 2004-12-23 Telefonaktiebolaget Lm Ericsson (Publ) Positioning a multipath search window
DE10345959B4 (en) 2003-10-02 2005-12-15 Infineon Technologies Ag Operating Situation-dependent identification and selection of the transmission paths for the establishment of Rake fingers of Rake receiver units in mobile communication terminals
US7272189B2 (en) * 2003-10-11 2007-09-18 Visteon Global Technologies, Inc. Method to determine the presence of multi-carrier signals
US7362792B2 (en) 2004-01-12 2008-04-22 Telefonaktiebolaget Lm Ericsson (Publ) Method of and apparatus for computation of unbiased power delay profile
EP1704652B1 (en) * 2004-01-12 2012-12-26 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Method of and apparatus for computation of unbiased power delay profile
US6917904B1 (en) 2004-01-12 2005-07-12 Telefonaktiebolaget L M Ericsson (Publ) Method of and apparatus for path-searcher window positioning
US8406251B2 (en) * 2004-10-06 2013-03-26 Broadcom Corporation Method and system for processing multipath clusters
CN1798000B (en) 2004-12-30 2010-09-29 上海宣普实业有限公司 Timed down going capturing and tracking method in CDMA system
US20060203764A1 (en) * 2005-03-11 2006-09-14 Nokia Corporation Delay-based cell portion selection
CN100531011C (en) 2005-07-04 2009-08-19 上海原动力通信科技有限公司 Method for defining up-converter channel impact responding and multi-user united detection method
US20070021086A1 (en) * 2005-07-22 2007-01-25 Industrial Technology Research Institute Method for path selection and signal processing in wireless communications system
CN1787392A (en) * 2005-12-16 2006-06-14 凯明信息科技股份有限公司 Timing tracking and trapping device
CN101411150A (en) * 2006-04-05 2009-04-15 艾格瑞系统有限公司 HSDPA co-processor for mobile terminals
US8526524B2 (en) * 2007-03-27 2013-09-03 Qualcomm Incorporation Orthogonal reference signal permutation
CN103645459B (en) 2007-05-01 2016-03-30 高通股份有限公司 Positioning a wireless communication system
US8514988B2 (en) 2007-05-18 2013-08-20 Qualcomm Incorporated Enhanced pilot signal receiver
US8412227B2 (en) 2007-05-18 2013-04-02 Qualcomm Incorporated Positioning using enhanced pilot signal
TWI350669B (en) * 2007-10-22 2011-10-11 Sunplus Mmobile Inc Method and apparatus for timing controlling of channel estimation
TWI394088B (en) * 2007-12-26 2013-04-21 Altek Corp
US8228971B2 (en) 2008-07-29 2012-07-24 Agere Systems Inc. Technique for searching for a preamble signal in a spread spectrum signal using a fast Hadamard transform
US8055278B2 (en) * 2008-11-20 2011-11-08 Telefonaktiebolaget L M Ericsson (Publ) Systems and methods for tracking power peaks of a signal
US9167491B2 (en) * 2010-08-13 2015-10-20 Qualcomm Incorporated Method and apparatus for window size selection to optimize inter rat handover
US20130257667A1 (en) * 2012-03-30 2013-10-03 Broadcom Corporation Antenna Tuning

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US3394313A (en) * 1964-09-14 1968-07-23 Navy Usa Symmetrically phase modulated transmission system with multi-lobed modulating signals
US5544156A (en) * 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector
US6370397B1 (en) 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
US6373882B1 (en) * 1998-11-06 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Motion estimator for a CDMA mobile station
US6256338B1 (en) * 1998-11-30 2001-07-03 Motorola, Inc. Method for determining fading correction factor in a communication system
US6104747A (en) * 1998-11-30 2000-08-15 Motorola, Inc. Method for determining optimum number of complex samples for coherent averaging in a communication system
US6278725B1 (en) 1998-12-18 2001-08-21 Philips Electronics North America Corporation Automatic frequency control loop multipath combiner for a rake receiver
US6542562B1 (en) * 1999-02-09 2003-04-01 Telefonaktiebolaget Lm Ericsson (Publ) Approximated MMSE-based channel estimator in a mobile communication system
JP3407706B2 (en) * 1999-11-30 2003-05-19 日本電気株式会社 Cdma system mobile phone device and the drive mode setting used to it / Release method
US6288674B1 (en) * 1999-12-21 2001-09-11 Texas Instruments Incorporated Wireless communication system utilizing doppler diversity
US7095814B2 (en) * 2000-10-11 2006-08-22 Electronics And Telecommunications Research Institute Apparatus and method for very high performance space-time array reception processing using chip-level beamforming and fading rate adaptation
US7697594B2 (en) * 2001-03-30 2010-04-13 Texas Instruments Incorporated Method and apparatus for regenerative based interference cancellation within a communication system

Also Published As

Publication number Publication date
US20040132443A1 (en) 2004-07-08
EP1276248A1 (en) 2003-01-15
EP1276248B1 (en) 2012-02-01
US7058399B2 (en) 2006-06-06

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