Yongbing Wan

Background

About Yongbing Wan

14 years direct working experience in digital subscriber line (DSL) customer promise equipment (CPE). Working experience and strong knowledge of digital communication and digital signal processing, such as PSK/QAM modulation, signal/pattern detection, frequency/timing recovery, frequency/time domain equalizers, OFDM multicarrier modulation, channel estimation, message handling. Knowledge of imaging processing, such as JPG, MPEGx, motion compensation.9 years of direct working experience in digital cellular phone research and development. Working experience of 2G GSM and CDMA, knowledge of 3G UMTS DS-CDMA, and 4G LTE OFDM. Worked on mobile channel identification and equalization using MLSE and DFE. Research experience on fading channel compensation, antenna diversity, smart antenna, interference cancellation (MIMO). Knowledge of Bluetooth and WiFi wireless systems.Extensive experience in telecommunication theory and system design on physical layer. This includes transmitter and receiver designs with synchronization, modulation and demodulation, time domain and frequency domain channel equalizer, error correctional coding and decoding, and source coding (voice, image, and video) and decoding.Working experience on MIPS based embedded system on the Linux development environment. Utilized processor cache to save cycles and memory sharing to reduce on-chip/off-chip memory requirements, thus reduce chip and system cost.Strong customer support experience, including on-site debugging with time pressure. Can directly change firmware on-site to resolve inter-inter-operability and transceiver performance issues.26 US patents issued.14 published journal and conference papers.Registered Professional Engineer in the State of California.Senior Member of