Design of discrete-time matrix all-pass filters using subspace Nevanlinna pick interpolation. - Agulla Surya Bharath; Devanshu Singh Gaharwar; Kumar Appaiah; Debasattam Pal (Signal Process., 2023)

Lattice All-Pass Filter Based Precoder Adaptation for MIMO Wireless Channels. - Parth Mehta 004; Agulla Surya Bharath; Kumar Appaiah; Rajbabu Velmurugan; Debasattam Pal (IEEE Trans. Veh. Technol., 2024)