● 5GNR NSA/SA and LTE Protocol and Performance Tech-Activities including the New 5G chipset validation (Testing / Analysis / Debugging / Trouble-shooting) with OEMs, Chipset Vendors and Network Vendors : FR2(mmW) 5GNR Max. Throughput Testing(8CC), FR1(Sub.6) device testing, 5GNR CPE product commercialization activities, Emergency call over 5GNR NSA/SA, the new E911 tech. features collaboration, 5GNR SA Emergency call via EPS Fallback/VoNR, Z-axis, 911 to SMS, LPPe)

● VZW 5GNR/LTE Requirement/Test Plan Development (5GNR SA Option2 Device Requirements, 5GNR VoWiFi ePDG TCs, 5GNR NSA Mobility Requirement, 5G SA Emergency EPS Fallback Requirement and Test Plan)

● VZW 5GNR/LTE Tech. Review and Compliance Activities for Commercial TA : Reviewing OEM CSR and following up 5GNR LTE and E911 Compliance issues such as Product’s Lab test, NV-IOT and Field issues

● Technical Lead on modem performance and protocol test, analysis and debug on LTE-A/IRAT/SRLTE/hVoLTE for Verizon Wireless, Sprint and TMO

o LTE-A MIMO CA, LAA data performance, IRAT, CMAS, SRLTE and hVoLTE testing with R&S PQA / Anritsu 8480 RTD TE

o LTE/CDMA/EVDO/IRAT/GMSS/hVoLTE Safety For Network (SFN), Lab Conformance(LC), GCF, PTCRB, Network vendors’ lab Inter-Operability Test (NV-IOT)

● Protocol Lead for the new chipset devices (Media Tek)

o Successful launch of LG’s MTK chipset devices (VZW Stylo 2 V and Sprint X Power)

o Protocol testing, analyzing and debug on VZW/Sprint LTE/CDMA/EVDO/VoLTE certification

● Excellent collaboration activities and demonstration on the new LTE performance feature

● Technical leadership as SME for Verizon Wireless LTE/CDMA/EVDO/IRAT/VoLTE:

o Supported LTE 3GPP Band 13/4 RF,RRM and RAN Signaling Conformance testing, LTE Device-UICC testing with strong experiences on LTE/SVLTE/EVDO/CDMA2000/IRAT specifications

o Agile and insightful issue management skills on LTE/VoLTE Lab. test, NV-IOT and RF Field test with VZW Device Technology and VZW NDET Lab.

● Strong deliverable through the tight collaboration with VZW

o Supported all new features on LTE/EVDO/1xRTT/IRAT/VoLTE Network vendors IOT and FT

o In-depth reviews of tech. req., test plans and tech. trainings for carrier or cross functional teams.

o Played a key role in development planning, testing and technical supports to carrier.

● Lead LTE/CDMA/EVDO/IRAT testing with LG in-house LTE firmware modem (L2000), LTE modem devices (LG M13, G13, VL600) and LTE SW development (LTE RRC, NAS, IRAT).

● LTE collaboration IODT/IOT activities with the authorized carriers, NW vendors and Equip. vendors:

o Carrier IOT : Verizon Wireless (IOT Phase 3/4,FOA), AT&T, Docomo and Orange.

o Network Vendor IOT : ALU, Ericsson, Nokia, Huawei and Nortel.

o Test Equipment Vendor IOT : R&S, Spirent, W2Bi, Aeroflex and Accuver(Inno-Wireless)

● Proven experience of the SW development : Lead the development and the demonstration of the world's-first LTE/IRAT handover (http://www.eurocomms.com/industry-news/6511-6511)