Inventor · disambiguated record
Ulf Lindgren
Also filed as: LINDGREN ULF · LINDGREN ULF AXEL
22 granted patents·5 pending applications·653 citations·filing 2000–2009
95Inventor score
Files withLINDGREN ULF12ERICSSON TELEFON AB L M9SAHLIN HENRIK2COLDREY MIKAEL1TELEFONAKTIEGOLAGET LM ERICSSO1
Top patents by PatentIndex Score
27 records- 0196US6717991B1System and method for dual microphone signal noise reduction using spectral subtractionERICSSON TELEFON AB L M·Filed 2000·Granted Apr 6, 2004·154 cites·60 claims
- 0292US6597787B1Echo cancellation device for cancelling echos in a transceiver unitERICSSON TELEFON AB L M·Filed 2000·Granted Jul 22, 2003·101 cites·26 claims
- 0390US8483310B2Method of and a device for precoding transmit data signals in a wireless MIMO communication systemCOLDREY MIKAEL·Filed 2008·Granted Jul 9, 2013·19 cites·15 claims
- 0490US6704711B2System and method for modifying speech signalsERICSSON TELEFON AB L M·Filed 2001·Granted Mar 9, 2004·141 cites·17 claims
- 0589US6768795B2Side-tone control within a telecommunication instrumentERICSSON TELEFON AB L M·Filed 2001·Granted Jul 27, 2004·119 cites·14 claims
- 0687US6545612B1Apparatus and method of detecting proximity inductivelyERICSSON TELEFON AB L M·Filed 2000·Granted Apr 8, 2003·56 cites·17 claims
- 0778US7965993B2Method for polarization correction in user equipmentERICSSON TELEFON AB L M·Filed 2006·Granted Jun 21, 2011·7 cites·10 claims
- 0877US8660197B2Method of and equipment for compensating carrier frequency offset in an orthogonal frequency division multiplexing wireless radio transmission systemLINDGREN ULF·Filed 2009·Granted Feb 25, 2014·7 cites·12 claims
- 0976US6442013B1Apparatus having capacitive sensorERICSSON TELEFON AB L M·Filed 2000·Granted Aug 27, 2002·21 cites·12 claims
- 1066US8675763B2Multi-stream communication systemLINDGREN ULF·Filed 2008·Granted Mar 18, 2014·3 cites·17 claims
- 1163US8219074B2Method and apparatus for communication site planningLINDGREN ULF·Filed 2008·Granted Jul 10, 2012·2 cites·12 claims
- 1257US8711987B2Method and receiver for jointly decoding received communication signals using maximum likelihood detectionSAHLIN HENRIK·Filed 2009·Granted Apr 29, 2014·1 cites·13 claims
- 1357US6900381B2Method for removing aliasing in wave table based synthesizersERICSSON TELEFON AB L M·Filed 2002·Granted May 31, 2005·11 cites·23 claims
- 1457US6577675B2Signal separationTELEFONAKTIEGOLAGET LM ERICSSO·Filed 2001·Granted Jun 10, 2003·10 cites·20 claims
- 1551US9184947B2Controllable filter to diagonalize a transmission channelLINDGREN ULF·Filed 2009·Granted Nov 10, 2015·0 cites·16 claims
- 1650US7948436B2Array antenna arrangementERICSSON TELEFON AB L M·Filed 2007·Granted May 24, 2011·1 cites·15 claims
- 1748US8599070B2Device and a method for establishing communication between nodes in a wireless communication systemLINDGREN ULF·Filed 2008·Granted Dec 3, 2013·0 cites·26 claims
- 1847US9628232B2Method of and a radio transmission system and radio access equipment for cellular wireless radio transmissionSAHLIN HENRIK·Filed 2008·Granted Apr 18, 2017·0 cites·13 claims
- 1947US8509334B2Method and system for pre-coding for frequency selective radio communication channelLINDGREN ULF·Filed 2007·Granted Aug 13, 2013·0 cites·22 claims
- 2046US8213486B2Method for simplifying the calculations for pre-whitening in a G-rake receiverLINDGREN ULF·Filed 2006·Granted Jul 3, 2012·0 cites·12 claims
- 2144US2011021163A1Antenna optimizationLINDGREN ULF·Filed 2008·Application pending·0 cites
- 2243US8089419B2Re-configurable antenna and a method for acquiring a configuration of a re-configurable antennaLINDGREN ULF·Filed 2006·Granted Jan 3, 2012·0 cites·14 claims
- 2343US2002128839A1Speech bandwidth extensionFiled 2001·Application pending·0 cites
- 2442US8249534B2Method for interference rejectionLINDGREN ULF·Filed 2007·Granted Aug 21, 2012·0 cites·7 claims
- 2541US2010066635A1Microwave sparse array antenna arrangementLINDGREN ULF·Filed 2006·Application pending·0 cites
- 2641US2007209498A1Midi Encoding and DecodingLINDGREN ULF·Filed 2004·Application pending·0 cites
- 2735US2002025048A1Method of transmitting voice information and an electronic communications device for transmission of voice informationFiled 2001·Application pending·0 cites
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