Senior Algorithm Engineer and Principal Design Engineer for WiFi 802.11a/b/g/n (first employee at Quantenna after the founders). Was part of the system team that developed the PHY layer for the world’s first WiFi 802.11n chip with 4 ×4 MIMO using dynamic digital beamforming together with LDPC codes operating at 600 Mb/s.Worked with the design, fixed point implementation, and verification of wireless systems including (but not limited to): OFDM, BICM, MIMO, AGC, DSSS, RSSI, CCA… Show more Senior Algorithm Engineer and Principal Design Engineer for WiFi 802.11a/b/g/n (first employee at Quantenna after the founders). Was part of the system team that developed the PHY layer for the world’s first WiFi 802.11n chip with 4 ×4 MIMO using dynamic digital beamforming together with LDPC codes operating at 600 Mb/s.Worked with the design, fixed point implementation, and verification of wireless systems including (but not limited to): OFDM, BICM, MIMO, AGC, DSSS, RSSI, CCA, beamforming, preamble detection and processing, channel estimation, frequency estimation, timing estimation, interpolation/decimation filters, closed-loop filters, re-sampling filters, modeling analog filters, FFT/IFFT, NCO, convolutional encoder/decoder, LDPC encoder/decoder, STBC encoder/decoder, puncturer/depuncturer, spatial mapper/demapper, bit mapper/demapper (for GFSK, DPSK, CCK, QAM, BPSK), interleaver/deinterleaver, and scram- bler/descrambler. Also worked with simulation models for wireless channels and impairments including (but not limited to): carrier frequency offset and transients in TX/RX, IQ imbalance in TX/RX, phase noise in TX/RX, non-linear PA, MIMO channels, and adjacent channel interference. Show less