3 papers
eess.SP2023
Multi-Carrier Wideband OCDM-Based THz Automotive Radar
Sangeeta Bhattacharjee, Kumar Vijay Mishra, Ramesh Annavajjala +1
Automotive radars at the Terahertz (THz) frequency band have the potential to be compact and lightweight while providing high (nearly-optical) angular resolution. In this paper, we…
cs.IT2021
Evaluation Of Orthogonal Chirp Division Multiplexing For Automotive Integrated Sensing And Communications
Sangeeta Bhattacharjee, Kumar Vijay Mishra, Ramesh Annavajjala +1
We consider a bistatic vehicular integrated sensing and communications (ISAC) system that employs the recently proposed orthogonal chirp division multiplexing (OCDM) multicarrier w…
cs.NI2017
On Green Multicasting over Cognitive Radio Fading Channels
Sangeeta Bhattacharjee, Tamaghna Acharya, Uma Bhattacharya
In this paper, an underlay cognitive radio (CR) multicast network, consisting of a cognitive base station (CBS) and multiple multicast groups of secondary users (SUs), is considere…