Inventor · disambiguated record
Chang-Soo Koo
Also filed as: KOO CHANG-SOO
68 granted patents·15 pending applications·739 citations·filing 2001–2025
99Inventor score
Files withINTERDIGITAL TECH CORP44INTERDIGITAL PATENT HOLDINGS INC22KOO CHANG-SOO5INTERDIGITAL PATENT HOLDINGS3KWAK JAEYOUNG3
Top patents by PatentIndex Score
83 records- 0199US12167405B2Uplink control data transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2023·Granted Dec 10, 2024·4 cites·20 claims
- 0298US10568048B2Uplink sounding reference signals configuration and transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2017·Granted Feb 18, 2020·40 cites·20 claims
- 0397US9749968B2Uplink sounding reference signals configuration and transmissionSTERN-BERKOWITZ JANET A·Filed 2011·Granted Aug 29, 2017·73 cites·13 claims
- 0497US8982801B2Apparatus and method for uplink power control for a wireless transmitter/receiver unit utilizing multiple carriersSHIN SUNG-HYUK·Filed 2010·Granted Mar 17, 2015·46 cites·6 claims
- 0596US12156233B2Flexible bandwidth operation in wireless systemsINTERDIGITAL PATENT HOLDINGS INC·Filed 2023·Granted Nov 26, 2024·2 cites·15 claims
- 0696US11743874B2Flexible bandwidth operation in wireless systemsINTERDIGITAL PATENT HOLDINGS INC·Filed 2020·Granted Aug 29, 2023·4 cites·20 claims
- 0796US11419063B2Uplink sounding reference signals configuration and transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2020·Granted Aug 16, 2022·4 cites·20 claims
- 0896US10368342B2Uplink control data transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2018·Granted Jul 30, 2019·7 cites·22 claims
- 0996US10039087B2Uplink control data transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2017·Granted Jul 31, 2018·8 cites·24 claims
- 1096US7505529B2Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication systemINTERDIGITAL TECH CORP·Filed 2005·Granted Mar 17, 2009·39 cites·19 claims
- 1195US11792772B2Systems and/or methods for providing enhanced PDCCH in a multiple carrier based and/or quasi-collated networkINTERDIGITAL PATENT HOLDINGS INC·Filed 2020·Granted Oct 17, 2023·3 cites·20 claims
- 1295US10904869B2Uplink control data transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2019·Granted Jan 26, 2021·6 cites·24 claims
- 1395US10638457B2Systems and/or methods providing ePDCCH in a multiple carrier based and/or quasi-collated networkINTERDIGITAL PATENT HOLDINGS INC·Filed 2017·Granted Apr 28, 2020·8 cites·14 claims
- 1495US9967866B2Uplink control data transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2016·Granted May 8, 2018·7 cites·28 claims
- 1595US9031146B2Power control for devices having multiple antennasSHIN SUNG-HYUK·Filed 2010·Granted May 12, 2015·20 cites·8 claims
- 1694US8818441B2Method and apparatus for controlling transmit power of transmissions on more than one component carrierHAIM JOHN W·Filed 2010·Granted Aug 26, 2014·18 cites·18 claims
- 1794US8130855B2Method and apparatus for combining space-frequency block coding, spatial multiplexing and beamforming in a MIMO-OFDM systemKWAK JAEYOUNG·Filed 2005·Granted Mar 6, 2012·23 cites·4 claims
- 1892US6622024B2Outer loop transmit power control using channel-adaptive processingINTERDIGITAL TECH CORP·Filed 2001·Granted Sep 16, 2003·59 cites·27 claims
- 1991US8958494B2Data and control multiplexing for uplink MIMO with carrier aggregation and clustered-DFTBELURI MIHAELA C·Filed 2010·Granted Feb 17, 2015·17 cites·14 claims
- 2091US7944985B2MIMO transmitter and receiver for supporting downlink communication of single channel codewordsINTERDIGITAL TECH CORP·Filed 2007·Granted May 17, 2011·31 cites·24 claims
- 2191US7920533B2Method and apparatus for calibration and channel state feedback to support transmit beamforming in a MIMO systemINTERDIGITAL TECH CORP·Filed 2007·Granted Apr 5, 2011·23 cites·9 claims
- 2290US7864659B2Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systemsINTERDIGITAL TECH CORP·Filed 2005·Granted Jan 4, 2011·14 cites·11 claims
- 2389US7274947B2Bias error compensated initial transmission power control for data servicesINTERDIGITAL TECH CORP·Filed 2003·Granted Sep 25, 2007·54 cites·28 claims
- 2489US7120201B2Method and system for optimization of channel estimation and synchronization in an OFDM-MIMO wireless communication systemINTERDIGITAL TECH CORP·Filed 2005·Granted Oct 10, 2006·17 cites·22 claims
- 2589US2025039880A1Uplink control data transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2024·Application pending·0 cites
- 2687US7218949B2Outer loop power control for wireless communication systemsINTERDIGITAL TECH CORP·Filed 2003·Granted May 15, 2007·32 cites·49 claims
- 2787US2025048378A1Flexible bandwidth operation in wireless systemsINTERDIGITAL PATENT HOLDINGS INC·Filed 2024·Application pending·0 cites
- 2886US8116351B2Downlink power control with limit to dynamic range using detection of downlink transmit powerKOO CHANG-SOO·Filed 2009·Granted Feb 14, 2012·12 cites·6 claims
- 2986US2025330955A1Systems and/or methods for providing enhanced pdcch in a multiple carrier based and/or quasi-collated networkINTERDIGITAL PATENT HOLDINGS INC·Filed 2025·Application pending·0 cites
- 3085US8295401B2Method and apparatus for implementing space time processing with unequal modulation and coding schemesOLESEN ROBERT LIND·Filed 2007·Granted Oct 23, 2012·11 cites·16 claims
- 3185US7602855B2Method and apparatus for singular value decomposition of a channel matrixINTERDIGITAL TECH CORP·Filed 2006·Granted Oct 13, 2009·10 cites·9 claims
- 3284US10624093B2Flexible bandwidth operation in wireless systemsINTERDIGITAL PATENT HOLDINGS INC·Filed 2017·Granted Apr 14, 2020·2 cites·16 claims
- 3384US7406130B2Method and system for optimization of channel estimation and synchronization in an OFDM-MIMO wireless communication systemINTERDIGITAL TECH CORP·Filed 2006·Granted Jul 29, 2008·10 cites·18 claims
- 3483US12407554B2Uplink sounding reference signals configuration and transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2024·Granted Sep 2, 2025·0 cites·18 claims
- 3583US7801548B2Method and system for adjusting downlink outer loop power to control target SIRINTERDIGITAL TECH CORP·Filed 2007·Granted Sep 21, 2010·8 cites·20 claims
- 3681US7773681B2Method and apparatus for estimating signal-to-noise ratio, noise power, and signal powerINTERDIGITAL TECH CORP·Filed 2006·Granted Aug 10, 2010·11 cites·25 claims
- 3780US12376078B2Systems and/or methods for providing enhanced PDCCH in a multiple carrier based and/or quasi-collated networkINTERDIGITAL PATENT HOLDINGS INC·Filed 2023·Granted Jul 29, 2025·0 cites·20 claims
- 3879US11258542B2Method and apparatus for implementing space time processing with unequal modulation and coding schemesINTERDIGITAL TECH CORP·Filed 2020·Granted Feb 22, 2022·1 cites·10 claims
- 3979US9054924B2Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication systemINTERDIGITAL TECH CORP·Filed 2013·Granted Jun 9, 2015·3 cites·25 claims
- 4078US7616677B2Downlink power control with limit to dynamic range using detection of downlink transmit powerINTERDIGITAL TECH CORP·Filed 2004·Granted Nov 10, 2009·20 cites·19 claims
- 4177US11929860B2Uplink sounding reference signals configuration and transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2022·Granted Mar 12, 2024·0 cites·20 claims
- 4277US9160492B2Method and apparatus for combining space-frequency block coding spatial multiplexing and beamforming in a MIMO-OFDM systemKWAK JAEYOUNG·Filed 2012·Granted Oct 13, 2015·3 cites·3 claims
- 4377US7133689B2Method and system for adjusting downlink outer loop power to control target SIRINTERDIGITAL TECH CORP·Filed 2003·Granted Nov 7, 2006·17 cites·26 claims
- 4476US7660600B2Adjustment of target signal-to-interference in outer loop power control for wireless communication systemsINTERDIGITAL TECH CORP·Filed 2007·Granted Feb 9, 2010·5 cites·8 claims
- 4574US8019036B2Method and apparatus for correcting sampler clock frequency offset in OFDM MIMO systemsINTERDIGITAL TECH CORP·Filed 2007·Granted Sep 13, 2011·6 cites·31 claims
- 4674US7555307B2Outer loop power control for wireless communication systemsINTERDIGITAL TECH CORP·Filed 2007·Granted Jun 30, 2009·3 cites·24 claims
- 4773US7197327B2Adjustment of target signal-to-interference in outer loop power control for wireless communication systemsINTERDIGITAL TECH CORP·Filed 2004·Granted Mar 27, 2007·14 cites·20 claims
- 4872US11743898B2Uplink control data transmissionINTERDIGITAL PATENT HOLDINGS INC·Filed 2020·Granted Aug 29, 2023·0 cites·18 claims
- 4972US7881265B2Power loading transmit beamforming in MIMO-OFDM wireless communication systemsINTERDIGITAL TECH CORP·Filed 2007·Granted Feb 1, 2011·4 cites·10 claims
- 5071US8249186B2Method and apparatus for singular value decomposition of a channel matrixKOO CHANG-SOO·Filed 2009·Granted Aug 21, 2012·3 cites·12 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Chang-Soo Koo 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 →