Notice: I will need H1B support to work in US.

YOONSANG KOO

yskoo@yahoo.com

 

An experienced embedded software engineer seeking an opportunity in telecommunication field

 

Keywords

VxWorks, pSOS+, MPC860, C, Device driver, ADSL, ATM, CDMA

 

Education

-          1991 ~ 1993

n         Electrical Engineering, MS, KAIST (Korea Advanced Institute of Technology)

-          1987 ~ 1991

n         Electrical Engineering, BS, KAIST (Korea Advanced Institute of Technology)

 

Experience

Medialincs Co.                                                 Jul.1999 - Dec.2000

Senior Software Engineer

n         Started up a project to develop an ADSL (Asynchronous Digital Subscriber Line) Access multiplexer system and completed successfully. Designed overall system needs including back plane structure, card types needed protocol stacks during project startup phase.

n         Served as a leader of a 5 software engineers during development phase.

n         In charge of bringing up new boards using pSOS+ and writing device drivers for ADSL modem chipsets and ATM chipsets working closely with hardware team and application software part.

 

LG Information & Communications Ltd.                  Jan.1993 – Jul.1999

       Senior Software Engineer

n         With IMT-2000, 3GPP system project, responsible for 3GPP MAC, RLC software protocols for RNC. Studied UMTS network architecture specification, designed MAC, RLC software structure from it and customized existing base station software for RNC.

 

n         Responsible for main controller card OS and Firmware with WLL project. Brought up new boards through customizing VxWorks BSP and debugging hardware with hardware guy, also wrote device drivers for back plane communication device and switching chip.

 

n         Involved in TRS system project, brought up new boards, wrote device driver and a application for E1 controller for in-band signaling. Also programmed software for HLR.

 

n         With DWPBX(Digital Wireless PBX) project, designed radio protocols for broadband CDMA wireless system using Stanford CDMA modem chipset, programmed multiple channel card control software for base station and wrote device drivers for the chipset on Intel 8051 micro controller. Also did hardware design and debugging for base station channel card and controller card.

 

n         With WPBX(Wireless PBX(alalog)), programmed channel management software and base station – PBX communication software.