Develop WiFi functionality in Amazon Lab126 electronic products.

• Developed and fixed bugs on firmware of Qualcomm mobile connection system (Most in WiFi/Bluetooth coexistence module).

o R&D on TDLS/Mirocast/NAN + Bluetooth

o R&D on WiFi Multi-concurrency + Bluetooth

o R&D on different coexistence scheme based on WLAN states and BT profiles.

• Tuned and optimized WiFi performance (throughput for 802.11ac dual band dual concurrency)

• Developed WiFi host driver for OpenWrt system.

• Developed Hybrid (PLC+WiFi) Network System.

• Analyzed and fixed bugs related to the host driver of wireless access point and its application software.

• Analyzed and fixed bugs related to WiFi and Bluetooth coexistence

Participated in wireless network driver development for embedded system (MAC layer and ARM processor).

Developed HCCA analysis software for reading the packet records from sniffer and calculating all statistics.

Designed and developed SampleRate rate control module into driver.

Tested and analyzed system performance and fixed bugs related to throughput deficit.

Coded in C and Shell Script.

Participated in wireless network driver development for embedded system (IXP processor).

Designed and developed Interference Avoidance Solution for Multihop Wireless Mesh Network.

Designed and developed Dual Radio System for Multihop Wireless Mesh Network.

Investigated the problem of deploying Dynamic Frequency Selection (DFS) in Multihop Wireless Mesh Network and proposed solutions.

Developed network driver based on IEEE802.11n standard.

All Coded in C and Perl under Linux system (Kernel Driver).

Demo the Kiyon Multihop Wireless Mesh System