Inventor · disambiguated record
Kyung-Hi Chang
Also filed as: CHANG KYUNG-HI
31 granted patents·6 pending applications·621 citations·filing 1998–2015
97Inventor score
Files withKOREA ELECTRONICS TELECOMM17CHANG KYUNG HI5INHA IND PARTNERSHIP INST4INTELLECTUAL DISCOVERY CO LTD3KIM YUN HEE2
Top patents by PatentIndex Score
37 records- 0194US7460466B2Apparatus and method for signal constitution for downlink of OFDMA-based cellular systemKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Dec 2, 2008·92 cites·10 claims
- 0292US7178081B2Simplified message-passing decoder for low-density parity-check codesKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Feb 13, 2007·94 cites·10 claims
- 0392US7123887B2Adaptive transmission and receiving method and device in wireless communication system with multiple antennasKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Oct 17, 2006·61 cites·28 claims
- 0492US6249251B1Hardware-efficient demodulator for CDMA adaptive antenna array systemsKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Jun 19, 2001·88 cites·7 claims
- 0590US7430193B2Method and apparatus for embodying and synchronizing downlink signal in mobile communication system and method for searching cell using the sameKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Sep 30, 2008·68 cites·14 claims
- 0685US7542504B2Frequency hopping ofdma method using symbols of comb patternKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Jun 2, 2009·57 cites·31 claims
- 0784US8064392B2Method for dynamic resource allocation of uplink and downlink in OFDMA/TDD cellular systemCHANG KYUNG HI·Filed 2007·Granted Nov 22, 2011·20 cites·7 claims
- 0883US8428524B2Adaptive transmission and receiving method and device in wireless communication system with multiple antennasKIM YUN-HEE·Filed 2012·Granted Apr 23, 2013·5 cites·10 claims
- 0983USRE42098EAdaptive transmission and receiving method and device in wireless communication system with multiple antennasKOREA ELECTRONICS TELECOMM·Filed 2008·Granted Feb 1, 2011·7 cites·39 claims
- 1082US7382718B2Transmitting and receiving method for reducing distortion caused by a time-varying channel in an orthogonal frequency division multiplex systemKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Jun 3, 2008·35 cites·18 claims
- 1180US8140029B2Adaptive transmission and receiving method and device in wireless communication system with multiple antennasKIM YUN-HEE·Filed 2010·Granted Mar 20, 2012·4 cites·6 claims
- 1277US8116780B2Dynamic resource allocation method based on frequency reuse partitioning for OFMDA/FDD system, and frame transmission method thereforLEE HEE-SOO·Filed 2006·Granted Feb 14, 2012·9 cites·4 claims
- 1376US9526108B2Apparatus and method for mitigation/removal of interference between macro-cell and femto-cellINTELLECTUAL DISCOVERY CO LTD·Filed 2014·Granted Dec 20, 2016·6 cites·16 claims
- 1476US9369969B2System and method to mitigate interference of 3GPP LTE heterogeneous network according to priority of serviceINTELLECTUAL DISCOVERY CO LTD·Filed 2014·Granted Jun 14, 2016·4 cites·15 claims
- 1567US7746941B2Synchronization apparatus and method for improving timing estimation performance in OFDM-FDMA/CDMA/TDMA systemINHA IND PARTNERSHIP INST·Filed 2006·Granted Jun 29, 2010·5 cites·6 claims
- 1664US7995686B2System and method for co-channel interference cancellation in cellular OFDM systemsINHA IND PARTNERSHIP INST·Filed 2007·Granted Aug 9, 2011·4 cites·25 claims
- 1763US8218423B2Ranging apparatus and method for improving ranging performance in OFDMA systemCHANG KYUNG HI·Filed 2009·Granted Jul 10, 2012·2 cites·12 claims
- 1859US7372927B2Digital filter for software-defined radio system, digital intermediate frequency signal processing apparatus having the digital filter, and method thereofKOREA ELECTRONICS TELECOMM·Filed 2003·Granted May 13, 2008·5 cites·20 claims
- 1959US7027421B2Method and apparatus for searcher beamforming in CDMA base station system using array antennaKOREA ELECTRONICS TELECOMM·Filed 2001·Granted Apr 11, 2006·14 cites·9 claims
- 2058US8068462B2Method and apparatus for retransmitting data based on antenna scheduling in MIMO systemCHANG KYUNG HI·Filed 2007·Granted Nov 29, 2011·2 cites·32 claims
- 2154US6320899B1Two-dimensional demodulator in spread spectrum code division multiple access system with antenna arrayKOREA ELECTRONICS TELECOMM·Filed 1998·Granted Nov 20, 2001·22 cites·10 claims
- 2254US2013215948A1Adaptive transmission and receiving method and device in wireless communication system with multiple antennasRES INST ELECTRONICS & TELECOMM·Filed 2013·Application pending·0 cites
- 2353USRE39275EHardware-efficient demodulator for CDMA adaptive antenna array systemsKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Sep 12, 2006·3 cites·20 claims
- 2451US7436802B2Frequency hopping method in orthogonal frequency division multiplexing systemKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Oct 14, 2008·1 cites·5 claims
- 2549US7093189B2Method and device for performing soft decision decoding on Reed-Muller codes using decision by majorityKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Aug 15, 2006·5 cites·10 claims
- 2649US2009316635A1Method and frame structure for supporting dynamic channel allocation and dynamic power allocation in frequency reuse partitioning based OFDMA systemINHA IND PARTNERSHIP INST·Filed 2009·Application pending·0 cites
- 2746US9313793B2System and method to allocate frequency dynamically based on priority of quality of experience (QoE) in 3GPP LTE heterogeneous networkINTELLECTUAL DISCOVERY CO LTD·Filed 2014·Granted Apr 12, 2016·0 cites·12 claims
- 2844US7260161B2Hybrid multi-user interference cancellation method and device using clustering algorithm based on dynamic programmingKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Aug 21, 2007·0 cites·13 claims
- 2944US2008089278A1Method and frame structure for supporting dynamic channel allocation and dynamic power allocation in frequency reuse partitioning based OFDMA systemINHA IND PARTNERSHIP INST·Filed 2006·Application pending·0 cites
- 3043US10149303B2Method and apparatus for interference-aware resource-sharing scheme for multiple D2D group communications underlaying cellular networksINHA—INDUSTRY PARTNERSHIP INST·Filed 2015·Granted Dec 4, 2018·0 cites·10 claims
- 3142US7126925B2Apparatus and method for multi-path search using dual code generatorsKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Oct 24, 2006·0 cites·8 claims
- 3241US2009196362A1Transmission method and apparatus for allocating subchannel and forming stationary beam to maximize transmission efficiency in orthogonal frequency division multiplexing/multiple access based wireless communication systemSONG MYUNG-SUN·Filed 2006·Application pending·0 cites
- 3340USRE45498EApparatus and method for signal constitution for downlink of OFDMA-based cellular systemLEE SOK-KYU·Filed 2003·Granted Apr 28, 2015·0 cites·12 claims
- 3440US2007237069A1Multi-Step Channel Prediction Apparatus and Method for Adaptive Transmission in OFDM/FDD SystemCHANG KYUNG HI·Filed 2007·Application pending·0 cites
- 3534US8488721B2Adaptive QRD-M algorithm based signal detecting method by using constellation set grouping in spatial multiplexing multiple-input multiple-output systemCHANG KYUNG HI·Filed 2010·Granted Jul 16, 2013·0 cites·9 claims
- 3632US6650911B1Sectored array antenna CDMA system for improved softer handoffKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Nov 18, 2003·8 cites·6 claims
- 3732US2010182897A1Signal detecting method for spatial multiplexing multiple-input multiple-output systemsINDUSTRY COLLABORATION FOUNDAT·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →