TW200501642A - Adaptive algorithm for a Cholesky approximation - Google Patents

Adaptive algorithm for a Cholesky approximation

Info

Publication number
TW200501642A
TW200501642A TW093104162A TW93104162A TW200501642A TW 200501642 A TW200501642 A TW 200501642A TW 093104162 A TW093104162 A TW 093104162A TW 93104162 A TW93104162 A TW 93104162A TW 200501642 A TW200501642 A TW 200501642A
Authority
TW
Taiwan
Prior art keywords
determined
rows
columns
cholesky
approximation
Prior art date
Application number
TW093104162A
Other languages
English (en)
Inventor
Young-Lok Kim
Ariela Zeira
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 TW200501642A publication Critical patent/TW200501642A/zh

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
    • H04B1/7103Interference-related aspects the interference being multiple access interference
    • H04B1/7105Joint detection techniques, e.g. linear detectors
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/16Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computing Systems (AREA)
  • Algebra (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
TW093104162A 2002-05-22 2004-02-19 Adaptive algorithm for a Cholesky approximation TW200501642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/153,477 US6690660B2 (en) 2002-05-22 2002-05-22 Adaptive algorithm for a Cholesky approximation

Publications (1)

Publication Number Publication Date
TW200501642A true TW200501642A (en) 2005-01-01

Family

ID=29548662

Family Applications (3)

Application Number Title Priority Date Filing Date
TW092113664A TWI236807B (en) 2002-05-22 2003-05-20 Adaptive algorithm for a Cholesky approximation
TW095117731A TW200713866A (en) 2002-05-22 2004-02-19 Adaptive algorithm for a cholesky approximation
TW093104162A TW200501642A (en) 2002-05-22 2004-02-19 Adaptive algorithm for a Cholesky approximation

Family Applications Before (2)

Application Number Title Priority Date Filing Date
TW092113664A TWI236807B (en) 2002-05-22 2003-05-20 Adaptive algorithm for a Cholesky approximation
TW095117731A TW200713866A (en) 2002-05-22 2004-02-19 Adaptive algorithm for a cholesky approximation

Country Status (11)

Country Link
US (2) US6690660B2 (zh)
EP (1) EP1510020A4 (zh)
JP (1) JP2005526463A (zh)
KR (2) KR100822145B1 (zh)
CN (1) CN1656714A (zh)
AU (1) AU2003243280A1 (zh)
CA (1) CA2486710A1 (zh)
MX (1) MXPA04011603A (zh)
NO (1) NO20045573L (zh)
TW (3) TWI236807B (zh)
WO (1) WO2003101012A1 (zh)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6856643B1 (en) * 1999-10-22 2005-02-15 Cwill Telecommunications, Inc. Communication system and method for performing fast symbol estimation for multiple access disperse channels
US8194770B2 (en) * 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US7408978B2 (en) * 2002-09-09 2008-08-05 Interdigital Technology Corporation Extended algorithm data estimator
US8170513B2 (en) * 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8134976B2 (en) * 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7986742B2 (en) * 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8570988B2 (en) * 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7002900B2 (en) * 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
US20050201490A1 (en) * 2004-02-20 2005-09-15 Tobias Scholand Zero-crossing detector for receivers
JP4521633B2 (ja) * 2004-03-12 2010-08-11 直樹 末広 符号分割多重信号の相関分離識別方式
US7388935B2 (en) * 2004-06-15 2008-06-17 Telefonktiebolaget Lm Ericsson (Publ) Method of inverting nearly Toeplitz or block Toeplitz matrices
SG121024A1 (en) * 2004-09-30 2006-04-26 Agency Science Tech & Res Fast method and receiver for cdma joint detection
US7433430B2 (en) * 2005-02-09 2008-10-07 Harris Corporation Wireless communications device providing enhanced block equalization and related methods
US7624080B1 (en) 2005-02-25 2009-11-24 The United States Of America As Represented By The Secretary Of The Navy Smart sensor continuously adapting to a data stream in real time using both permanent and temporary knowledge bases to recognize sensor measurements
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) * 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
US20100011045A1 (en) * 2008-07-11 2010-01-14 James Vannucci Device and method for applying signal weights to signals
US20100011041A1 (en) 2008-07-11 2010-01-14 James Vannucci Device and method for determining signals
US8494099B2 (en) * 2009-09-08 2013-07-23 Lsi Corporation Signal processing using modified blockwise analytic matrix inversion
US10498558B1 (en) * 2018-05-11 2019-12-03 Mitsubishi Electric Research Laboratories, Inc. Symbol detection in shared wireless channel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097148B1 (en) * 1981-12-21 1986-12-30 BURROUGHS CORPORATION (a Delaware corporation) Improvements in or relating to wafer scale integrated circuits
US6438180B1 (en) * 1997-05-09 2002-08-20 Carnegie Mellon University Soft and hard sequence detection in ISI memory channels
EP0971485A1 (en) 1998-07-08 2000-01-12 Siemens Aktiengesellschaft Multiuser detection in CDMA using a correlation matrix
ATE324711T1 (de) * 1999-07-02 2006-05-15 Lucent Technologies Inc Mehrbenutzer detektion für breitbandigen cdma
FR2800948B1 (fr) * 1999-11-08 2002-03-01 Mitsubishi Electric Inf Tech Procede de detection conjointe
US6947505B2 (en) * 2000-09-20 2005-09-20 Bae Systems Information And Electronic Systems Integration Inc. System for parameter estimation and tracking of interfering digitally modulated signals
US7003380B2 (en) * 2001-02-27 2006-02-21 Sikorsky Aircraft Corporation System for computationally efficient adaptation of active control of sound or vibration
US7092452B2 (en) * 2002-03-25 2006-08-15 Bae Systems Information And Electronic Systems Integration Inc Co-channel interference receiver

Also Published As

Publication number Publication date
TWI236807B (en) 2005-07-21
EP1510020A1 (en) 2005-03-02
US6690660B2 (en) 2004-02-10
US20040141480A1 (en) 2004-07-22
KR100822145B1 (ko) 2008-04-15
JP2005526463A (ja) 2005-09-02
NO20045573L (no) 2005-02-21
TW200713866A (en) 2007-04-01
KR20050097553A (ko) 2005-10-07
WO2003101012A1 (en) 2003-12-04
MXPA04011603A (es) 2005-03-07
AU2003243280A1 (en) 2003-12-12
EP1510020A4 (en) 2005-04-27
CN1656714A (zh) 2005-08-17
US20030218998A1 (en) 2003-11-27
KR20050006265A (ko) 2005-01-15
TW200401516A (en) 2004-01-16
CA2486710A1 (en) 2003-12-04

Similar Documents

Publication Publication Date Title
TW200501642A (en) Adaptive algorithm for a Cholesky approximation
WO2004072788A3 (en) Data set comparison and net change processing
AU2003233284A8 (en) Data detection method for mimo-ofdm communication systems
WO2004038954A3 (en) Method for stealing power or walsh-code for a data channel (e.g. shared data channel) from a dedicated channel (e.g. voice channel)
WO2003062173A8 (en) Alanine 2,3- aminomutase
WO2005007623A8 (en) Inhibition of syk kinase expression
WO2007072155A3 (en) Method and system for synchronization between devices using metadata
BRPI0507722A (pt) método de comunicação em um sistema de rádio, produto de programa de computação de um sistema de rádio, elemento de rede de um sistema de rádio, controlador de rede de rádio de um sistema de rádio, terminal de usuário de um sistema de rádio, e, sistema de rádio
WO2006022664A3 (en) Alanine 2, 3 aminomutases
NZ577171A (en) A method for estimating the activity topology of a set of sensed data windows
TW200623752A (en) Payload based channel estimation of a wireless channel
DK3419206T3 (da) Fremgangsmåde og system til tilbagevending fra drx-timing-desykronisering i lte-aktiv
WO2008063183A3 (en) Multi-channel communication method and apparatus using plural markov chain monte carlo simulations
AU2003268253A1 (en) Method and system for interference assessment and reduction in a wireless communication system
TW200711338A (en) Method and system for adapting an effective spreading sequence in a communication system using direct sequence spreading
NO20072966L (no) Polypeptider som har antimikrobeaktivitet og polynukleotider som koder for disse
TW200727604A (en) Efficient joint detection
TW200518476A (en) De-mapping method for wireless communications systems
ATE308832T1 (de) Funksstation und funkssystem mit modellierung der mehrwegausbreitung
TW200516881A (en) Channel gain estimation in a rake receiver using complex weight generation (CWG) algorithms
TW200729758A (en) Extended algorithm data estimator
TW200640155A (en) Method and apparatus for reducing multi-user processing in wireless communication systems
WO2008152116A3 (en) Improvement of the reliabilty estimation
WO2007044501A3 (en) Decoding of walsh codes
TW200706024A (en) Apparatus for path selection and signal processing in wireless communications system