(1) 調變與解調變 演算法開發
a. Single carrier : QPSK/16QAM/64QAM
b. SISO OFDM : QPSK/16QAM/64QAM
c. MIMO OFDM : QPSK/16QAM/64QAM
d. DSSS(direct-sequence spread spectrum)
d. PAPR reduction
(2) FEC code 演算法模擬
a. RS(Reed-Solomon) code
b. Convolution/Viterbi
c. Turbo
d. LDPC
Responsibilities:
Develop test plan and work with designer on Design for Test.
Develop test programs and design test hardware for new RF products; the solutions must be affordable and yield high test coverage.
Support Product Qualification Process
Support bench validation and characterization.
Available for business travel upon request.
Other duties may be required.
Education and/or Experience Required:
The ideal candidate will possess a min. Bachelor's in Engineering and have basic electronic knowledge with understanding of electronic signal and its processes.
Minimum 5 years of IC test development experience, hands-on ATE knowledge on Teradyne J750, UFLEX/IFLEX
Experience in loadboard design is essential
Experience in RF product testing is highly preferred
Experience in Firmware development is highly preferred
Knowledge in various programming languages (C, Perl, Python, C++, VB) is highly preferred
Knowledge of statistical data analysis will be an added advantage.
1. Audio, Speech Recognition, Communication quality validation and analyzing.
2. Specification/Procedure/Regulatory research and development.
3. Test sequence/quality improvement and automation.
4. Training courses delivering.
5. Customer consulting and service.
Theoretical and practical experience in the following fields:
1. Experience in Wireless Communication Layer 1 Specification on LTE/NR
2. Experience in Automatic Gain control (AGC), Automatic frequency control (AFC), timing error adjustment, and DPD (Digital Pre-Distortion)/CFR (Crest Factor Reduction)
3. Familiarity with Digital Signal Processing(MIMO, Equalizer, Modulation, and OFDM System Simulation…. ,etc)
4. Familiarity with Digital filter design (IIR, FIR, multirate filter, Upsampling/Downsampling, Interpolator/Decimator, Resampling)
5. Development experience is not restricted, but candidates should meet at least 2 out of the 4 criteria listed above.
Nice-to-have skills:
Experience in Software development on MCPS/Memory optimization & Multi-cores/Multi-threads scheduling is preferred
Experience in Layer 2 to Layer 1 interface design or implementation is preferred.
Experience in embedded system/RTOS, kernel/CPU architecture is preferred
Experience in driver/ tool chain development is preferred
About this opportunity
We are looking for an Integration Engineer to join our team. You will help set up and check the configuration and integration of 5G and LTE Radio Access Networks (RAN). Your main tasks will include connecting network nodes, performing network upgrades, and adding new features to the 5G and LTE networks
What you will do
• Plan and carry out product configuration and integration work.
• Handle network change requests, product configurations, and integration tasks.
• Perform network upgrades and add new features.
• Prepare and run acceptance tests.
• Look for ways to improve our processes and implement those improvements.
• Deal with tasks that come up after the main project work is completed.
You will bring
• A degree or equivalent experience in Telecommunication, Electronic Engineering, Information Technology, or a related field.
• Proficiency in both Chinese and English.
• A strong focus on delivering results and meeting customer expectations.
• Knowledge of the latest RAN and IP network topology principles and techniques.
• A detailed understanding of system design and functional characteristics.
• The ability to perform under pressure and take the initiative to tackle problems.
• Good teamwork skills with different functional teams locally and regionally.
• A proactive, customer focused demeanor with excellent communication skills.
• Knowledge of machine learning and artificial intelligence (ML/AI) is a plus.