AU2001282755A1 - Spreading factor detector - Google Patents

Spreading factor detector

Info

Publication number
AU2001282755A1
AU2001282755A1 AU2001282755A AU8275501A AU2001282755A1 AU 2001282755 A1 AU2001282755 A1 AU 2001282755A1 AU 2001282755 A AU2001282755 A AU 2001282755A AU 8275501 A AU8275501 A AU 8275501A AU 2001282755 A1 AU2001282755 A1 AU 2001282755A1
Authority
AU
Australia
Prior art keywords
spreading factor
factor detector
detector
spreading
factor
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.)
Abandoned
Application number
AU2001282755A
Inventor
Jeonghoon Han
Jonas Karlsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2001282755A1 publication Critical patent/AU2001282755A1/en
Abandoned 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
    • 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
    • H04B2201/70705—Rate detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU2001282755A 2000-08-04 2001-08-06 Spreading factor detector Abandoned AU2001282755A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US22303200P 2000-08-04 2000-08-04
US60/223,032 2000-08-04
PCT/SE2001/001709 WO2002013395A2 (en) 2000-08-04 2001-08-06 Spreading factor detector
US09/921,917 US20020057730A1 (en) 2000-08-04 2001-08-06 Spreading factor detector
US09/921,917 2001-08-06

Publications (1)

Publication Number Publication Date
AU2001282755A1 true AU2001282755A1 (en) 2002-02-18

Family

ID=26917372

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001282755A Abandoned AU2001282755A1 (en) 2000-08-04 2001-08-06 Spreading factor detector

Country Status (4)

Country Link
US (1) US20020057730A1 (en)
EP (1) EP1305884A2 (en)
AU (1) AU2001282755A1 (en)
WO (1) WO2002013395A2 (en)

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* Cited by examiner, † Cited by third party
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CN100425010C (en) * 1999-09-21 2008-10-08 美商内数位科技公司 Multiuser detector for variable spreading factors
US6714527B2 (en) * 1999-09-21 2004-03-30 Interdigital Techology Corporation Multiuser detector for variable spreading factors
US7106783B2 (en) * 2000-12-19 2006-09-12 Lg Electronics Inc. Method and apparatus for searching multipaths of mobile communication system
US7023901B2 (en) * 2001-01-23 2006-04-04 Texas Instruments Incorporated Spreading factor estimation system and method
US7092464B2 (en) * 2002-01-23 2006-08-15 Bae Systems Information And Electronic Systems Integration Inc. Multiuser detection with targeted error correction coding
US6839390B2 (en) * 2002-01-23 2005-01-04 Bae Systems Information And Electronic Systems Integration Inc. Voting system for improving the performance of single-user decoders within an iterative multi-user detection system
US7801085B1 (en) * 2002-06-03 2010-09-21 Ericsson Ab System and method of processing CDMA signals
US6741653B2 (en) * 2002-07-01 2004-05-25 Interdigital Technology Corporation Data detection for codes with non-uniform spreading factors
US7254170B2 (en) * 2002-11-06 2007-08-07 Qualcomm Incorporated Noise and channel estimation using low spreading factors
CN1186950C (en) * 2002-11-13 2005-01-26 大唐移动通信设备有限公司 Demodulating method for customer with variable spectra expanding coefficient
FR2848360B1 (en) * 2002-12-04 2005-08-26 Nortel Networks Ltd METHOD FOR DETECTING A SIGNAL AND RECEIVER SYSTEM FOR IMPLEMENTING THE METHOD
US6996763B2 (en) * 2003-01-10 2006-02-07 Qualcomm Incorporated Operation of a forward link acknowledgement channel for the reverse link data
US8081598B2 (en) * 2003-02-18 2011-12-20 Qualcomm Incorporated Outer-loop power control for wireless communication systems
US20040160922A1 (en) 2003-02-18 2004-08-19 Sanjiv Nanda Method and apparatus for controlling data rate of a reverse link in a communication system
US8391249B2 (en) * 2003-02-18 2013-03-05 Qualcomm Incorporated Code division multiplexing commands on a code division multiplexed channel
US8150407B2 (en) * 2003-02-18 2012-04-03 Qualcomm Incorporated System and method for scheduling transmissions in a wireless communication system
US7155236B2 (en) 2003-02-18 2006-12-26 Qualcomm Incorporated Scheduled and autonomous transmission and acknowledgement
US8023950B2 (en) * 2003-02-18 2011-09-20 Qualcomm Incorporated Systems and methods for using selectable frame durations in a wireless communication system
US7660282B2 (en) * 2003-02-18 2010-02-09 Qualcomm Incorporated Congestion control in a wireless data network
US7075973B2 (en) * 2003-03-03 2006-07-11 Interdigital Technology Corporation Multiuser detection of differing data rate signals
US7215930B2 (en) 2003-03-06 2007-05-08 Qualcomm, Incorporated Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication
US8705588B2 (en) * 2003-03-06 2014-04-22 Qualcomm Incorporated Systems and methods for using code space in spread-spectrum communications
US8477592B2 (en) * 2003-05-14 2013-07-02 Qualcomm Incorporated Interference and noise estimation in an OFDM system
FR2857102B1 (en) * 2003-07-04 2007-06-15 Nortel Networks Ltd METHOD FOR MEASURING THE RECEIVING TIME OF A RECEIVED RADIO SIGNAL, MEASURING DEVICE AND DEVICE FOR LOCATING A MOBILE STATION FOR CARRYING OUT THE METHOD
US8489949B2 (en) 2003-08-05 2013-07-16 Qualcomm Incorporated Combining grant, acknowledgement, and rate control commands
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
US20050135460A1 (en) * 2003-12-22 2005-06-23 Hidenori Akita Method and apparatus for estimating a SIR of a pilot channel in a MC-CDMA system
US20050141598A1 (en) * 2003-12-30 2005-06-30 Hidenori Akita Method and apparatus for estimating a SIR of a pilot channel in a MC-CDMA system
US7400692B2 (en) * 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
US7397839B2 (en) * 2004-01-27 2008-07-08 Ntt Docomo, Inc. OFDM communication system and method
US8086257B2 (en) * 2005-08-11 2011-12-27 Alcatel Lucent Dedicated control channel detection for enhanced dedicated channel
WO2007066283A1 (en) * 2005-12-06 2007-06-14 Nxp B.V. Determination of active spreading codes and their powers
US8630378B2 (en) * 2005-12-06 2014-01-14 Qualcomm Incorporated Interference cancellation with improved estimation and tracking for wireless communication
US8194726B2 (en) * 2006-02-13 2012-06-05 St-Ericsson Sa Filter weight estimation device with update at HSDSCH symbol rate, for a symbol level equaliser
US7974370B2 (en) * 2006-12-27 2011-07-05 Freescale Semiconductor, Inc. Parallel processing for single antenna interference cancellation
US8374297B2 (en) * 2008-09-15 2013-02-12 Intel Corporation Circuit, controller and methods for dynamic estimation and cancellation of phase and gain imbalances in quadrature signal paths of a receiver
CN102387103B (en) * 2010-08-31 2014-05-07 联芯科技有限公司 Detection method and device for spread spectrum factors in co-frequency neighbor cells of time division-synchronization code division multiple access (TD-SCDMA) system
CN105099500B (en) * 2014-04-17 2019-03-08 爱立信(中国)通信有限公司 The detection method and device of inter-frequency interference cell spreading factor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2701761B2 (en) * 1994-11-02 1998-01-21 日本電気株式会社 Transmission bit rate determination method and apparatus
JP2596392B2 (en) * 1994-11-16 1997-04-02 日本電気株式会社 Data rate detector
FI100569B (en) * 1995-05-08 1997-12-31 Nokia Telecommunications Oy Method and apparatus for variable rate coding and detection in a multipurpose mobile communication system
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
KR970013834A (en) * 1995-08-23 1997-03-29 사와무라 시코우 A computing apparatus of transmission rate
FR2774217B1 (en) * 1998-01-23 2000-04-14 Thomson Csf METHOD OF POLARIZATION DIVERSITY CYCLIC DETECTION OF CYCLOSTATION DIGITAL RADIOELECTRIC SIGNALS
US6347080B2 (en) * 1998-09-09 2002-02-12 Qualcomm, Inc. Energy based communication rate detection system and method
GB9930801D0 (en) * 1999-12-30 2000-02-16 Nokia Networks Oy Spreading factor determination

Also Published As

Publication number Publication date
WO2002013395A2 (en) 2002-02-14
WO2002013395A3 (en) 2003-02-13
EP1305884A2 (en) 2003-05-02
US20020057730A1 (en) 2002-05-16

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