sungho yoo's software development portfolio

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Sungho Yoo's software development portfolio

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  • 1.Sungho Yoos Por-olio

2. Por-olio SUNGHO YOO Email: yjung93@gmail.com Cell Phone: +82-10-9144-4895 3. 1xCDMA Macro System Company Hyundai Electronics Inc. Customer SK Telecomm Responsibility Channel Card SoFware Development Working Site Korea Project Period 2001 4. 1xCDMA Macro System Trouble shooQng and bug xing CDMA protocol ow control S/W maintenance IS95B feature implementaQon ( Cell BroadcasQng Service, Voice Privacy, Etc.) Language: C. OS: Qualcomms REX Flow Control S/W ApplicaQon Layer L1,L2 Layer L3 Layer Physical layer L2 Layer Air Link CSM Modem driver E1/T1 CSM Modem H/W L1 Layer SK Telecomms SK Telecomms Mobile Phone Base StaQon Control Base Tranceiver StaQon 5. 1xEV-DO Macro System Company Hyundai Electronics Inc. Customer KTF Responsibility Modem Card SoFware Development Working Site Korea Project Period 2002 6. 1xEV-DO Macro System 1xEV-DO modem (CSM5500) chip driver S/W PorQng 1xEV-DO Physical, Mac Layer protocol stack S/W porQng Distributed System base 1xEV-DO protocol ow control applicaQon development Language: C++. OS: Windriver Vxworks Flow Control S/W ApplicaQon Layer Mac Layer Steam Layer Physical layer Session Layer CSM Modem driver ATM ConnecQon Layer Air Link CSM Modem H/W Security Layer Mobile Phone Base Tranceiver StaQon Base StaQon Control 7. 1xEV-DO Micro System Company Hyundai Electronics Inc. Customer KTF Responsibility Modem Card SoFware Development Working Site Korea Project Period 2003~2004 8. 1xEV-DO Micro System 1xEV-DO modem (CSM5500) chip driver S/W PorQng 1xEV-DO Physical, Mac Layer protocol stack S/W porQng Distributed System base 1xEV-DO protocol ow control applicaQon development Language: C++. OS: Windrivers Vxworks Flow Control S/W ApplicaQon Layer Mac Layer Steam Layer Physical layer Session Layer CSM Modem driver TCP/IP ConnecQon Layer Air Link CSM Modem H/W Security Layer Mobile Phone Base Tranceiver StaQon Base StaQon Control 9. Verizon Wireless mobile phone (CDM-7025) Company UTStarcom Korea Customer Verizon Wireless Responsibility Call User Interface S/W Development Working Site Korea, New York in USA Project Period 2005~2006 10. Verizon Wireless mobile phone (CDM-7025) Verizon Wireless UI requirement base voice and data Call UI implementaQon. CDG2 (CDMA Development Group2) cerQcaQon feature implementaQon UTStarcoms new UI layer framework stabilizaQon Language: C. OS: Qualcomms REX. Debugging tools: Trace32 Phone Book App Call UI App SMS App Etc. Apps UTStarcoms UI Framework Qualcomms Protocol API Qualcomm CDMA Protocol Stack Modem Driver H/W Drivers REX OS DB 11. Verizon Wireless mobile phone (CDM-7075) Company UTStarcom Korea Customer Verizon Wireless Responsibility Call User Interface S/W Development Working Site Korea, New York in USA Project Period 2005~2006 12. Verizon Wireless mobile phone (CDM-7075) Verizon UI requirement base voice and data Call UI implementaQon. CDG2 (CDMA Development Group2) cerQcaQon feature implementaQon UTStarcoms new UI layer framework stabilizaQon Language: C. OS: Qualcomms REX. Debugging tools: Trace32 Phone Book App Call UI App SMS App Etc. Apps UTStarcoms UI Framework Qualcomms Protocol API Qualcomm CDMA Protocol Stack Modem Driver H/W Drivers REX OS DB 13. AT&T Mobile Messaging Phone Company UTStarcom Korea Customer AT&T Responsibility SMS, MMS Message S/W Development Working Site Korea, Dallas, LA in USA Project Period 2007~2008 14. AT&T Mobile Messaging Phone SMS, MMS Message composer implementaQon Qualcomms SMS protocol stack API interoperaQon Openwaves MMS soluQon porQng Language: C. OS: Qualcomms REX. Debugging tools: Trace32 Phone Book App Call UI App SMS,MMS App Etc. Apps UTStarcoms UI Framework Qualcomms Protocol API Qualcomm UMTS Protocol Stack Modem Driver H/W Drivers REX OS DB 15. Morse Talk (Android App) Company Self Employed Customer Android Market Responsibility ApplicaQon Development Working Site Korea Project Period 2011 16. Sending Part Morse Talk (Android App) Use Case Encode text to Morse code User enter text Message Send Morse code via ash light on-o paoern Receiving Part Decode Morse code from camcorder vision and convert it to text 17. Morse Talk (Android App) Android plaporm base applicaQon implementaQon OpenCV ( computer vision open source library ) porQng Development of signal decoding algorithm from smart phones camcorder vision. Language: C++, Java. Plaporm: Android. IDE: Eclipse User Interface Morse Code Translator User Interface Signal Decoding Algorithm Morse Code Encoder Vision Processor Message Sending Processor OpenCV Library Android Framework Android Framework Camera Flash Light Module Camera Module Flash Light On/O Sending Part Morse Code Paoern Receiving Part 18. Call ConrmaQon ( Android App ) Company Personal Group Project Customer Android Market Responsibility Ad module, DB etc. S/W Development Working Site Korea Project Period 2011 19. Call ConrmaQon ( Android App ) Use Case User try calling It requests paoern lock password Proceeds dialing aFer user unlock password 20. Call ConrmaQon ( Android App ) Ad module implementaQon White number list data base and Etc. Language: Java. Plaporm: Android. IDE: Eclipse Call Intent User Cauly, Admob White Number Processor Interface AD module List DB Android Framework