no code implementations • 13 Aug 2020 • Himani Joshi, Sumit J. Darak, Mohammad Alaee-Kerahroodi, Bhavani Shankar Mysore Rama Rao
The emergence of beyond-licensed spectrum sharing in FR1 (0. 45-6 GHz) and FR2 (24 - 52 GHz) along with the multi-antenna narrow-beam based directional transmissions demand a wideband spectrum sensing in temporal as well as spatial domains.
no code implementations • 7 Sep 2020 • Surya Prakash Sankuru, R Jyothi, Prabhu Babu, Mohammad Alaee-Kerahroodi
Constant modulus sequence set with low peak side-lobe level is a necessity for enhancing the performance of modern active sensing systems like Multiple Input Multiple Output (MIMO) RADARs.
no code implementations • 4 Nov 2020 • Ruizhi Hu, Bhavani Shankar Mysore Rama Rao, Ahmed Murtada, Mohammad Alaee-Kerahroodi, Björn Ottersten
In this paper, a novel $l_1$-regularized, consensus alternating direction method of multipliers (CADMM) based algorithm is proposed to mitigate artifacts by exploiting a widely-distributed radar system's spatial diversity.
no code implementations • 8 Mar 2021 • Mohammad Alaee-Kerahroodi, Ehsan Raei, Sumit Kumar, Bhavani Shankar Mysore Rama Rao
New generation of radar systems will need to coexist with other radio frequency (RF) systems, anticipating their behavior and reacting appropriately to avoid interference.
no code implementations • 7 Apr 2021 • Ehsan Raei, Mohammad Alaee-Kerahroodi, Prabhu Babu, M. R. Bhavani Shankar
Multiple-input multiple-output (MIMO) radars transmit a set of sequences that exhibit small cross-correlation sidelobes, to enhance sensing performance by separating them at the matched filter outputs.
no code implementations • 9 Jul 2021 • Surya Prakash Sankuru, Prabhu Babu, Mohammad Alaee-Kerahroodi
Sequences having better autocorrelation properties play a crucial role in enhancing the performance of active sensing systems.
no code implementations • 13 Dec 2021 • Ehsan Raei, Saeid Sedighi, Mohammad Alaee-Kerahroodi, M. R. Bhavani Shankar
Motivated by this fact, in this paper, we propose a framework for shaping the beampattern in MIMO radar systems under the constraints simultaneously ensuring unimodularity, desired spectral occupancy and orthogonality of the designed waveform.
no code implementations • 27 Sep 2022 • Linlong Wu, Mohammad Alaee-Kerahroodi, M. R. Bhavani Shankar
Pulse compression can enhance both the performance in range resolution and sensitivity for weather radar.
no code implementations • 2 Nov 2022 • Bhavani Shankar M. R., Kumar Vijay Mishra, Mohammad Alaee-Kerahroodi
The previous chapters have discussed the canvas of joint radar-communications (JRC), highlighting the key approaches of radar-centric, communications-centric and dual-function radar-communications systems.
no code implementations • 3 Apr 2023 • Longfei Yin, Ziang Liu, Bhavani Shankar M. R., Mohammad Alaee-Kerahroodi, Bruno Clerckx
Extreme crowding of electromagnetic spectrum in recent years has led to the challenges in designing sensing and communications systems.
no code implementations • 18 Jul 2023 • YuAn Liu, Moein Ahmadi, Johann Fuchs, Mohammad Alaee-Kerahroodi, M. R. Bhavani Shankar
The beat signal models of time division multiplexing (TDM)-MIMO are adapted to RT outputs.