Inventor · disambiguated record
Douglas A. Cairns
Also filed as: CAIRNS DOUGLAS · CAIRNS DOUGLAS A · CAIRNS DOUGLAS ALLAN
49 granted patents·3 pending applications·274 citations·filing 2000–2021
98Inventor score
Top patents by PatentIndex Score
52 records- 0194US11354566B1Causal inference and policy optimization system based on deep learning modelsSAS INST INC·Filed 2021·Granted Jun 7, 2022·8 cites·30 claims
- 0291US8000413B2Selective signal demodulation method and apparatusERICSSON TELEFON AB L M·Filed 2007·Granted Aug 16, 2011·19 cites·26 claims
- 0387US9697177B1Analytic system for selecting a decomposition description of sensor dataSAS INST INC·Filed 2016·Granted Jul 4, 2017·5 cites·30 claims
- 0487US8605771B2Data to pilot ratio estimationCAIRNS DOUGLAS A·Filed 2009·Granted Dec 10, 2013·13 cites·7 claims
- 0585US8964912B2Adaptive timing recovery via generalized RAKE receptionCAIRNS DOUGLAS A·Filed 2005·Granted Feb 24, 2015·11 cites·48 claims
- 0683US7957485B2Reduced complexity parametric covariance estimation for precoded MIMO transmissionsERICSSON TELEFON AB L M·Filed 2008·Granted Jun 7, 2011·9 cites·26 claims
- 0782US7456770B2Distributed sigma-delta sensor networkERICSSON TELEFON AB L M·Filed 2007·Granted Nov 25, 2008·13 cites·20 claims
- 0880US10248476B2Efficient computations and network communications in a distributed computing environmentSAS INST INC·Filed 2018·Granted Apr 2, 2019·3 cites·31 claims
- 0980US8041325B2Speed-based, hybrid parametric/non-parametric equalizationERICSSON TELEFON AB L M·Filed 2008·Granted Oct 18, 2011·9 cites·20 claims
- 1079US7769078B2Apparatus, methods and computer program products for delay selection in a spread-spectrum receiverERICSSON TELEFON AB L M·Filed 2004·Granted Aug 3, 2010·18 cites·43 claims
- 1179US7590167B2Method and apparatus for QAM demodulation in a generalized rake receiverERICSSON TELEFON AB L M·Filed 2005·Granted Sep 15, 2009·7 cites·24 claims
- 1278US7995641B2Method and apparatus for code power parameter estimation for received signal processingERICSSON TELEFON AB L M·Filed 2007·Granted Aug 9, 2011·6 cites·24 claims
- 1375US8428106B2Efficient method for forming and sharing impairment covariance matrixCAIRNS DOUGLAS A·Filed 2008·Granted Apr 23, 2013·8 cites·21 claims
- 1475US8144749B2Nonparametric MIMO G-Rake receiverCAIRNS DOUGLAS A·Filed 2008·Granted Mar 27, 2012·5 cites·26 claims
- 1575US7778312B2Method and apparatus for selecting demodulation processing delays in a receiverERICSSON TELEFON AB L M·Filed 2006·Granted Aug 17, 2010·6 cites·13 claims
- 1675US7027591B2Integrated noise cancellation and residual echo suppressionERICSSON INC·Filed 2002·Granted Apr 11, 2006·16 cites·61 claims
- 1774US8224278B2Convolutional impairment covariance estimation method and apparatusCAIRNS DOUGLAS A·Filed 2009·Granted Jul 17, 2012·5 cites·19 claims
- 1874US6452524B1Delta sigma converter incorporating a multiplierERICSSON INC·Filed 2001·Granted Sep 17, 2002·25 cites·28 claims
- 1973US7668226B2Method and apparatus for estimating gain offsets for amplitude-modulated communication signalsERICSSON TELEFON AB L M·Filed 2005·Granted Feb 23, 2010·5 cites·23 claims
- 2072US8699553B2Data-aided SIR estimationROSENQVIST ANDERS·Filed 2010·Granted Apr 15, 2014·3 cites·18 claims
- 2172US8295417B2Method and apparatus for efficient estimation of interference in a wireless receiverCAIRNS DOUGLAS A·Filed 2008·Granted Oct 23, 2012·4 cites·22 claims
- 2272US7983353B2Code power estimation for MIMO signalsERICSSON TELEFON AB L M·Filed 2008·Granted Jul 19, 2011·4 cites·12 claims
- 2371US8798176B2Joint time/frequency processing for wireless receiversCAIRNS DOUGLAS A·Filed 2009·Granted Aug 5, 2014·4 cites·18 claims
- 2471US7983208B2MMSE channel estimation in a communications receiverERICSSON TELEFON AB L M·Filed 2007·Granted Jul 19, 2011·4 cites·23 claims
- 2569US8908781B2Receiver and method for processing radio signals using soft pilot symbolsCAIRNS DOUGLAS·Filed 2012·Granted Dec 9, 2014·2 cites·16 claims
- 2669US8068535B2Robust iterative linear system solversCAIRNS DOUGLAS A·Filed 2008·Granted Nov 29, 2011·4 cites·12 claims
- 2767US7711033B2SIR prediction method and apparatusERICSSON TELEFON AB L M·Filed 2005·Granted May 4, 2010·3 cites·26 claims
- 2867US7006790B2Method and system for GPS bit-edge synchronization in the presence of burst-mode interferenceERICSSON INC·Filed 2001·Granted Feb 28, 2006·22 cites·29 claims
- 2967US6707857B1Reference signal pre-distortion for transmitter with frequency synthesizer based phase encodingERICSSON INC·Filed 2000·Granted Mar 16, 2004·11 cites·32 claims
- 3064US7539240B2Method and apparatus for parameter estimation in a generalized rake receiverERICSSON TELEFON AB L M·Filed 2004·Granted May 26, 2009·7 cites·59 claims
- 3163US8295329B2Efficient computation of soft scaling factors for linear multi-user detectorCAIRNS DOUGLAS A·Filed 2007·Granted Oct 23, 2012·2 cites·14 claims
- 3262US8861623B2Method and apparatus for allocating processing delays in multi-carrier systemsJONSSON ELIAS·Filed 2009·Granted Oct 14, 2014·2 cites·18 claims
- 3361US8750407B2Transmitter and method for transmitting soft pilot symbols in a digital communication systemCHENG JUNG-FU·Filed 2008·Granted Jun 10, 2014·1 cites·12 claims
- 3461US7848389B2Method and apparatus for scaling parameter estimation in parametric generalized rake receiversERICSSON TELEFON AB L M·Filed 2005·Granted Dec 7, 2010·2 cites·17 claims
- 3560US8175630B2Method of closed loop power control adjusted by self-interferenceCAIRNS DOUGLAS A·Filed 2009·Granted May 8, 2012·1 cites·10 claims
- 3659US7688881B2Method and apparatus for interference estimation in a generalized RAKE receiverERICSSON TELEFON AB L M·Filed 2006·Granted Mar 30, 2010·1 cites·31 claims
- 3758US7711035B2Method and apparatus for suppressing communication signal interferenceERICSSON TELEFON AB L M·Filed 2004·Granted May 4, 2010·4 cites·27 claims
- 3853US8867676B2Method and apparatus for controlling interference suppressing receiversCAIRNS DOUGLAS A·Filed 2004·Granted Oct 21, 2014·2 cites·27 claims
- 3953US8576960B2Method and apparatus for efficient AMLD matrix computationsCAIRNS DOUGLAS A·Filed 2009·Granted Nov 5, 2013·0 cites·19 claims
- 4052US8149929B2Receiver and method for processing radio signals using soft pilot symbolsCAIRNS DOUGLAS·Filed 2008·Granted Apr 3, 2012·0 cites·2 claims
- 4151US8411725B2Channel geometry detectorCAIRNS DOUGLAS A·Filed 2009·Granted Apr 2, 2013·0 cites·30 claims
- 4250US8369383B2Method and apparatus for setting received signal processing delays as a function of channel dispersivenessERICSSON TELEFON AB L M·Filed 2009·Granted Feb 5, 2013·0 cites·26 claims
- 4350US7929629B2Method and apparatus for improved channel estimation for communications signal processingERICSSON TELEFON AB L M·Filed 2008·Granted Apr 19, 2011·0 cites·25 claims
- 4447US8040938B2Method and apparatus for extended least squares estimation for generalized rake receiver parameters using multiple base stationsERICSSON TELEFON AB L M·Filed 2006·Granted Oct 18, 2011·0 cites·41 claims
- 4547US7873098B2Robust multicode detector for HSDPAERICSSON TELEFON AB L M·Filed 2007·Granted Jan 18, 2011·0 cites·16 claims
- 4646US8045600B2Method and apparatus for compensating for processing timing misalignment in a communication receiverERICSSON TELEFON AB L M·Filed 2008·Granted Oct 25, 2011·0 cites·30 claims
- 4746US7920619B2Efficient computation of a waveform correlation matrixERICSSON TELEFON AB L M·Filed 2007·Granted Apr 5, 2011·0 cites·17 claims
- 4846US2010238980A1Signal Reception with Adjustable Processing Delay PlacementCAIRNS DOUGLAS A·Filed 2009·Application pending·0 cites
- 4945US2009316674A1Method and apparatus for demodulation of qam signal using symbol-specific amplitude reference estimationWANG YI-PIN ERIC·Filed 2008·Application pending·0 cites
- 5044US8295328B2Doppler frequency control of G-rake receiverCAIRNS DOUGLAS A·Filed 2006·Granted Oct 23, 2012·0 cites·10 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Douglas A. Cairns files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →