A CELP-based hybrid digital-analog (HDA) joint source-channel speech coder. - Nam Phamdo; Udar Mittal (ICASSP, 2000)

Signal/noise KLT based approach for enhancing speech degraded by colored noise. - Udar Mittal; Nam Phamdo (IEEE Trans. Speech Audio Process., 2000)

Duality theorems for joint source-channel coding. - Udar Mittal; Nam Phamdo (IEEE Trans. Inf. Theory, 2000)

A joint source-channel speech coder using hybrid digital-analog (HDA) modulation. - Nam Phamdo; Udar Mittal (IEEE Trans. Speech Audio Process., 2002)

Hybrid digital-analog (HDA) joint source-channel codes for broadcasting and robust communications. - Udar Mittal; Nam Phamdo (IEEE Trans. Inf. Theory, 2002)

Low complexity joint optimization of excitation parameters in analysis-by-synthesis speech coding. - Udar Mittal; James P. Ashley; Edgardo M. Cruz-Zeno (INTERSPEECH, 2003)

A Technique of Multi-Tap Long Term Predictor (LTP) Filter Using Sub-Sample Resolution Delay. - Mark A. Jasiuk; Tenkasi Ramabadran; Udar Mittal; James P. Ashley; Michael J. McLaughlin (ICASSP (1), 2005)

Joint Optimization of Excitation Parameters in Analysis-By-Synthesis Speech Coders Having Multi-Tap Long Term Predictor. - Udar Mittal; James P. Ashley; Edgardo M. Cruz-Zeno; Mark A. Jasiuk (ICASSP (1), 2005)

Closed Loop Dynamic Bit Allocation for Excitation Parameters in Analysis-by-Synthesis Speech Codec. - James P. Ashley; Udar Mittal (ICASSP (4), 2007)

Low Complexity Factorial Pulse Coding of MDCT Coefficients using Approximation of Combinatorial Functions. - Udar Mittal; James P. Ashley; Edgardo M. Cruz-Zeno (ICASSP (1), 2007)

ITU-T EV-VBR: A robust 8-32 kbit/s scalable coder for error prone telecommunications channels. - Tommy Vaillancourt; Milan Jelinek; Ali Erdem Ertan; Jacek Stachurski; Anssi Rämö; Lasse Laaksonen; Jon Gibbs; Udar Mittal; Stefan Bruhn; Volodya Grancharov; Masahiro Oshikiri; Hiroyuki Ehara; et al. (EUSIPCO, 2008)

Higher layer coding of non-speech like signals using factorial pulse codebook. - Udar Mittal; James P. Ashley; Jonathan Gibbs (INTERSPEECH, 2008)

CSI Feedback Overhead Reduction for 5G Massive MIMO Systems. - Ahmed Hindy; Udar Mittal; Tyler Brown (CCWC, 2020)