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- Ref# 1329588577
- Senior Embedded System Engineer in Massachusetts
Experience Summary:
Senior Embedded System Engineer
WCDMA (TDD) Wireless Network System Development:
- Design, optimization and implementation of the physical layer DSP algorithms and software, including rake MRC algorithm, channel estimation and equalization and so on;
- Software design and development in intermediate frequency (IF) board, including ADC, DDC and DAC;
- Node-B host software design and development, system integration with host, physical layer DSP processing board and IF board;
- Media gateway software design and development to support voice and video over IP;
- Wireless network integration and test with Node-B, user terminal, wireless access gateway, media gateway and media service server;
- Design and development of the DMA drivers to support the data transfer between IF board, host and DSP board in Node-B
- Software porting from Windows to embedded Linux and DSP code conversion from floating point to fixed point.
High data rate communication system based on Wi-Fi and MIMO technology:
- Development and implementation of media access control (MAC) software;
- Design, programming and implementation of the host software and interface between physical layer and MAC layer;
- Optimization of Wi-Fi physical layer DSP processing codes and Wi-Fi system integration with IF board, physical layer DSP processing board and control host.
