Inventor · disambiguated record
Chang-Wahn Yu
Also filed as: YU CHANG · YU CHANG WAHN
32 granted patents·10 pending applications·89 citations·filing 2002–2025
95Inventor score
Files withHUAWEI TECH CO LTD12SAMSUNG ELECTRONICS CO LTD8KOREA ELECTRONICS TELECOMM7YU CHANG WAHN4ELECTRONICS & TELECOMMUNICATIONS RES INST3
Top patents by PatentIndex Score
42 records- 0194US11785627B2Resource preemption method, apparatus, and systemHUAWEI TECH CO LTD·Filed 2021·Granted Oct 10, 2023·2 cites·20 claims
- 0280US7428267B2Uplink channel estimation system for orthogonal frequency division multiple access system and method thereofKOREA ELECTRONICS TELECOMM·Filed 2004·Granted Sep 23, 2008·29 cites·16 claims
- 0377US12137472B2Resource preemption method, apparatus, and systemHUAWEI TECH CO LTD·Filed 2023·Granted Nov 5, 2024·0 cites·20 claims
- 0477US8600420B2Method and apparatus for uplink timing synchronization with ranging signal in mobile communication systemLEE YOUNG-HA·Filed 2006·Granted Dec 3, 2013·8 cites·18 claims
- 0575US2025261201A1Method for reporting buffer status report and communications apparatusHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 0671US8693572B2Method for transmitting signal of orthogonal frequency division multiplexing type, and apparatus applied to the sameJO GWEON DO·Filed 2012·Granted Apr 8, 2014·5 cites·13 claims
- 0771US7302022B2Automatic gain control device and method in orthogonal frequency division multiplexing system with DC offset compensation function, and recording medium storing program containing the methodKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Nov 27, 2007·9 cites·14 claims
- 0870US7515641B2Apparatus and method for processing ranging channel in orthogonal frequency division multiple access systemKOREA ELECTRONICS TELECOMM·Filed 2004·Granted Apr 7, 2009·14 cites·2 claims
- 0969US7477190B2Smart antenna beamforming device in communication system and method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Jan 13, 2009·9 cites·12 claims
- 1068US12309783B2Method for reporting buffer status report and communications apparatusHUAWEI TECH CO LTD·Filed 2022·Granted May 20, 2025·0 cites·20 claims
- 1167US7817707B2Apparatus and method for generating ranging pseudo noise codeSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Oct 19, 2010·3 cites·8 claims
- 1263US8559566B2Method and apparatus for decomposing received symbol signal modulated with bit reflected gray code in bit informationYU CHANG WAHN·Filed 2008·Granted Oct 15, 2013·3 cites·20 claims
- 1362US12261697B2Communication method and apparatusHUAWEI TECH CO LTD·Filed 2022·Granted Mar 25, 2025·0 cites·20 claims
- 1462US7742391B2Apparatus and method for estimating frequency offsetSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Jun 22, 2010·2 cites·13 claims
- 1561US11963139B2Sidelink logical channel multiplexing method and apparatusHUAWEI TECH CO LTD·Filed 2021·Granted Apr 16, 2024·0 cites·18 claims
- 1660US12256391B2Communication method and apparatusHUAWEI TECH CO LTD·Filed 2021·Granted Mar 18, 2025·0 cites·20 claims
- 1758US12192012B2HARQ process control method and apparatusHUAWEI TECH CO LTD·Filed 2022·Granted Jan 7, 2025·0 cites·12 claims
- 1858US8036322B2Method of calculating log-likelihood ratio and method of detecting transmission signalSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Oct 11, 2011·1 cites·12 claims
- 1957US2023262513A1Communication method and apparatusHUAWEI TECH CO LTD·Filed 2023·Application pending·0 cites
- 2056US7899138B2Method of detecting space-time code in mobile communication system with 4 Tx antennaSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Mar 1, 2011·1 cites·13 claims
- 2156US2023189388A1Communication Method and ApparatusHUAWEI TECH CO LTD·Filed 2022·Application pending·0 cites
- 2253US11677452B2Method and apparatus for transmitting and receiving signal for terminal-centric cooperative transmissionELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Granted Jun 13, 2023·0 cites·15 claims
- 2353US8155104B2Method for preamble-based bandwidth request in wireless portable internet systemYOON CHUL-SIK·Filed 2004·Granted Apr 10, 2012·3 cites·12 claims
- 2453US2022217749A1Sidelink configuration method and apparatus, device, and storage mediumHUAWEI TECH CO LTD·Filed 2022·Application pending·0 cites
- 2551US8160174B2Signal detection method and receiverBANG YOUNG JO·Filed 2009·Granted Apr 17, 2012·0 cites·20 claims
- 2651US8040980B2Log likelihood ratio calculation method, transmit signal detection method, and receiverSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Oct 18, 2011·0 cites·14 claims
- 2751US2022053524A1Resource scheduling method and apparatusHUAWEI TECH CO LTD·Filed 2021·Application pending·0 cites
- 2850US10148478B2Apparatus and method for estimating channel in wireless local area network (WLAN) systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2014·Granted Dec 4, 2018·0 cites·18 claims
- 2950US8379691B2Method and apparatus for estimating channel in mobile communication networkSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Feb 19, 2013·0 cites·8 claims
- 3049US11917669B2Method and apparatus for transmitting and receiving signal for cooperative transmission in communication systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2021·Granted Feb 27, 2024·0 cites·10 claims
- 3149US8654905B2Method and apparatus for canceling interferenceLEE HOON·Filed 2008·Granted Feb 18, 2014·0 cites·7 claims
- 3246US2015189653A1Method and apparatus for estimating frequency offset in wireless local area network (wlan) systemKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
- 3346US2015124776A1Data transmission method and apparatus in network linked with heterogeneous systemKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
- 3446US2015189497A1User identification method and apparatus in multi-user wireless communication systemKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
- 3544US8767853B2Apparatus and method for controlling distortion signal and system by using the sameYU CHANG WAHN·Filed 2012·Granted Jul 1, 2014·0 cites·17 claims
- 3644US8135099B2Method for detecting transmission symbols in multiple antenna systemBANG YOUNG JO·Filed 2008·Granted Mar 13, 2012·0 cites·6 claims
- 3743US7782989B2Apparatus and method for acquiring frame timing in communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Aug 24, 2010·0 cites·14 claims
- 3842US8103273B2Cell search device of cellular system using OFDMA scheme and method thereofYU CHANG-WAHN·Filed 2005·Granted Jan 24, 2012·0 cites·9 claims
- 3942US7126925B2Apparatus and method for multi-path search using dual code generatorsKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Oct 24, 2006·0 cites·8 claims
- 4041US2009225704A1Uplink tile index generation apparatus and a uplink subchannel allocation apparatus of an ofdma systemLEE YOUNG-HA·Filed 2005·Application pending·0 cites
- 4138US10321426B2Apparatus and method for detecting synchronization and signals using block data processingYU CHANG WAHN·Filed 2010·Granted Jun 11, 2019·0 cites·20 claims
- 4232US2015296454A1Method for low-power communications in wireless local area network and apparatus for the sameNEWRACOM INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →