關於 (About)
Naming the blog as Brain Garden to record my life and research.
Author Introduction
Hi there, I’m Lucian.
Shih-An (Lucian) has nearly 3+ years’ experience (2019-2022) as a senior software engineer and focuses on FWA/CPE type 4G/5G home router embedded system product. He implemented business customised software functions for modem module and supported the teams cross B.U. (Wifi, QA team …etc) and global colleague groups. From the passing years’ effort, Shih-An has been rewarded as “2021 Outstanding Employees of THE YEAR” which got 22 staffs selected out of 2,000+ employees per year based on the best technical support for customers and collaboration with team members.
Work Experience
- Experienced with broadband FWA/CPE type product based on Qualcomm modem chipset SDX55/SDX65 platform.
- Developed APIs via Qualcomm QMI/DCI interface to get modem status related info, such as present connection PLMN, band info, ARFCN, bandwidth, RSRP, RSRQ, SIM info ICCID, IMSI … etc for customized apps and WebGUI.
- Maintain each project’s modem configure feature settings for specific customer operator (setting preferred band, LTE/NR RAT preference, RF calibration settings … etc) and implement WNC specific CRUD (Create, Read, Update and Delete) mechanisms and OTA (upgrade Over-The-Air) for modem software config NV (non-volatile) items/EFS files.
- Familiar with 4G/5G Test Equipment (simulator callbox) included Keysight 7515 A/B, Anritsu MT8000A, Amarisoft LTE-100 to test 4G (LTE), 5G (FR1/FR2) with parameters settings and end-to-end throughput verification test by iperf.
- Customer/FAE field trial issue debugging support, included modem (WNC customized apps) log collecting/analysing.
- 3GPP GCF certification support experience. (DEKRA, Taiwan).
- Network protocol knowledges, such as TCP/IP, ICMP, IPv4/IPv6, DHCP, Route … etc.
- Linux driver and kernel debugging experience included collecting logs/ramdump, analysing/fixing modem crash issue and verifying modem subsystem restart (SSR) function … etc.
- Setup build server with essential toolchains; Release and maintain SW/FW included merging Qualcomm SDK, porting opensource code and implementing WNC customised applications.
Program Skills
- C
- Git
- Linux commands / shell script
- Bitbake cross compiler toolchain based on openembedded yocto project for Linux OS ARM based chipset
- NDK toolchain for Android based platform product
Language Skills
- Mandarin : Native
- English : Medium (NEW TOEIC : 750)
- Japanese : Medium (JLPT : N3)
Education
M.S. Degree, Department of Communication Engineering, National Central University
# GPA: 4.15/4.3
# Thesis: “Full-Duplex Decode-and-Forward Relay Systems Utilizing Software-Defined Radio: From Prototyping, Implementation to Experiments” in Proc. National Symposium on Telecommunications (NST), 2019. (Best Paper Award in application field)B.S. Degree, 2012.06 - 2016.09, Department of Electrical Engineering, National United University
H.S. Degree, 2009.09 - 2012.06, Science student, National Hsinchu Senior High School
Contact
- Blog
- GitHub
- Email : Meow.Lucian@gmail.com
