Experience

TCL&Alcatel Mobile Phone R&D Center,Shanghai,China

• China
• Telecommunications
• 1 - 100 Employee

• Senior Software Engineer

  • Mar 2014 - Present



Inseego Corp

• United States
• Telecommunications
• 200 - 300 Employee

• Senior Firmware Engineer

  • Aug 2012 - Feb 2014

  1)Participated the development of Fonseca SU3(MiFi 4620L) project which is a MIFI product and based on MDM9600 chip of qualcomm. This product support FDD LTE/EHRPD/HRPD/CDMA 1X/WCDMA. Primarily resolved the protocol issues which is about LTE NAS,WCDMA NAS,CDMA1X EVDO Layer3,TCP/IP,IPv6,WIFI,SIM Card protocols and Device UI, Web UI, OTADM issues.Communicated with QA in SanDiego about the phenomenon of issues, analysized the log and found the root cause, provided the solution and did the unit test. This product is launched by Verizon. 2)Participated the development of Alaska SU1(MiFi 5510L) project which is a MIFI product and based on MDM9615 chip of qualcomm. This product support FDD LTE/EHRPD/HRPD/CDMA 1X. Primarily resolved the protocol issues which is about LTE NAS,CDMA1X EVDO Layer3,TCP/IP,IPv6,WIFI,SIM Card protocols and OTADM issues.This product is launched by Verizon. 3)Support the AT&T Lab test issues of the machine to machine product Gabriel(SA 2100). Primarily resolved the protocol issues which is about LTE,WCDMA,GSM protocols. This product based on MDM9215 chip of qualcomm and support FDD LTE/WCDMA/GSM.It can be used in Video Surveillance, Vending Machines, Connected Cars, and ATM etc. This product is launched by AT&T. 4)Take a business trip to SanDiego to support Gabriel system test, analyze and resolve protocol issues, participate TRD(technical requirement design) disscusion of RED project(LTE only MiFi), support Shanghai team remotely and set up remote test machine for stability test and sanity test.



Lamtam

• senior software engineer

  • Feb 2011 - Jul 2012

  1) Served as software development manager of E12(based on QSC6085 chip of qualcomm), integrated and released the software for each version, manage the schedule of software.Maintain the applications as follow: call, call record, UTK. 2) Pre-research the android platform, learned the software development of android, set up the GIT server and UBUNTU workstation, train other colleague about android. 3) Served as software development manager of S800(based on QRD7625A chip of qualcomm), integrated and released the software for each version, manage the schedule of software.Maintain the BP module, applications as follow: call, call record, UTK, and TELEPHONY, RIL. 4) Served as the leader of network group which include 4 members, assigned the task to group member, supported for difficut issue resolved, train the new group member. 5) Resolve the protocol issue, include Authentication,PRL,SD,CALL,UTK,DATA SERVICE. Reason for Leaving: The strategy of company has been changed, the RD has been outsourced, and Shanghai RD has been dismissed.



Shanghai Chuanjing Communication Technology Corporation

• Senior Software Engineer

  • Mar 2009 - Jan 2011

  1) Maintain the applications as follow: call, call record, call firewall, UTK, BREW download. 2) Resolve the protocol issue, include Authentication,PRL,SD,CALL,UTK,DATA SERVICE. 3) Served as software development manager of C951 and LT901(based on QSC1110 chip of qualcomm), integrated and released the software for each version, manage the schedule of software.The shipments of C951 reach 150 thousand, and profit reach 450 thousand dollar. Reason for Leaving: The capital chain of company has been broken, the RD team has been taken over by Telingtong Co.



ZTE Corporation

• China
• Telecommunications
• 700 & Above Employee

• Senior Software Engineer

  • Jul 2005 - Sep 2008

  1) Maintained the call application module of CDMA mobile phone in P200 series(based on MSM6025 chip of qualcomm), which use the BREW platform. 2) Developed the CDMA AT call module of H500(based on MSM6025 chip of qualcomm) and D800(based on MSM6125 chip of qualcomm), which are GSM/CDMA dual mode mobile phone. The CDMA AT call module is the modem of GSM module, and it is controlled by GSM module. 3) Developed the CDMA AT call module of H550(based on MSM6125 chip of qualcomm), which is CDMA/GSM dual mode mobile phone. The GSM module is the modem of CDMA module, and it is controlled by CDMA AT module. 4) Maintained the sms application of CDMA mobile phone D90(based on MSM6500 chip of qualcomm). 5) Write the API of PRI for OMA DM. 6) Be responsible for the CDG2 test and trouble shooting of various CDMA mobile phone. 7) Research the CDMA 1X EVDO protocol, include Authentication,PRL,SD,CALL,UTK,DATA SERVICE.