e-mail : mysuh1004@gmail.com•Strong domain knowledge of cellular technologies especially CDMA1X/EVDO L3 protocol layer on mobile/network side•Strong domain knowledge of DATA Service protocol especially tcp/ip protocol layer/socket operation on mobile and network side, based on Linux and REX(qualcomm chipset OS).(2009.1 ~2013.8)•Good knowledge of WCDMA/UMTS/LTE cellular technology on mobile and network side•Experience in development of signaling / call processing procedures and protocol on CDMA1X/EVDO 11+ years and GSM/GPRS/WCDMA/UMTS/LTE in couple of years•In depth knowledge of signaling specification especially 3GPP2 and 3GPP for LTE•Strong ability to analyze QXDM signaling logs and in depth knowledge on Qualcomm development tools•In depth knowledge in 3GPP2/3GPP conformance test cases such as CCF(CDG2) and GCF along with plenty experience of conformance test case execution on test platforms such as Aeroflex(RACAL), etc. and especially manual test experience and troubleshooting experience on test environment is a plus•Hands on experience in using cellular network simulators such as Agilent 8960/8285, CMW500, Spirent and Anritsu 8475. And tested to use Anite, Anritsu equipment for LTE protocol recently•Fully understanding and experience of Verizon/KDDI Wireless test specifications, device approval process, test cases and execution on live and simulated network •Extensive knowledge in VZW Field Test(FIT) and accomplished internal/pre/official FIT•Extensive knowledge in KDDI Field Test and accomplished Conformance Acceceptance/Stability Test 8+ projects during the past 8 years-TOKYO,KYUTO,OSAKA,NAGOYA•In-depth knowledge of System Selection algorithm for 1x/EVDO/WCDMA/LTE with SIM(UICC)•Experience in development android framework for development of Smart Phone•Experience in RF(Radio Frequency) s/w development for development of feature Phone(2002 ~2004) •Experience in Wi-Fi(802.11) s/w development for Android Phone(2013.8~up to now)