Akshay S. Bondre — accepted AI-conference papers

2023

Sparse Delay-Doppler Channel Estimation for OTFS Modulation Using 2D-Music

Akshay S. Bondre, Christ D. Richmond, Ahmed Alkhateeb, Nicolò Michelusi

ICASSP 2023accepted

In this paper, we address the problem of estimating the delays and Doppler shifts introduced by a sparse wireless channel for orthogonal time frequency space (OTFS) modulation. We show that in the discrete time-frequency (TF) domain, the received signal resulting from an OTFS pilot signal is a super…

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2021

Asymptotic Distribution of Generalized Likelihood Ratio Test Under Model Misspecification With Application to Cooperative Radar-Communications

Akshay S. Bondre, Christ D. Richmond

ICASSP 2021accepted

The goal of this paper is to develop an expression for the asymptotic distribution of the generalized likelihood ratio test (GLRT) statistic under model misspecification, that is when the assumed data model is different from the true model. Under such a scenario, the asymptotic distribution under th…

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