no code implementations • 5 Jun 2023 • Mostafa Mohammadkarimi, Raj Thilak Rajan
A cooperative Sense and Avoid (SAA) algorithm for safe navigation of small-sized UAVs within an airspace is proposed in this paper.
no code implementations • 23 Dec 2022 • Mehrtash Mehrabi, Mostafa Mohammadkarimi, Masoud Ardakani
This is while existing methods need to know the activity rate of IoT devices, while our method works for unknown and even time-varying activity rates
1 code implementation • 31 Oct 2022 • Mosab Diab, Mostafa Mohammadkarimi, Raj Thilak Rajan
First, we propose to improve an existing classical method that replaces the gradient descent optimization of the potential field cost function on a continuous domain with a combinatorial optimization on a set of predefined points (called bacteria points) around the agent's current location.
no code implementations • 12 Jul 2022 • Mostafa Mohammadkarimi, Geert Leus, Raj Thilak Rajan
While the proposed estimator can estimate the range of multiple drones with a single receive antenna, a larger number of drones can be supported with higher accuracy by the use of multiple antennas at the receiver.
no code implementations • 14 Aug 2020 • Koosha Pourtahmasi Roshandeh, Mostafa Mohammadkarimi, Masoud Ardakani
In wireless communication systems, Orthogonal Frequency-Division Multiplexing (OFDM) includes variants using either a cyclic prefix (CP) or a zero padding (ZP) as the guard interval to avoid inter-symbol interference.
no code implementations • 6 Jul 2018 • Mostafa Mohammadkarimi, Mehrtash Mehrabi, Masoud Ardakani, Yindi Jing
In this paper, a deep learning (DL)-based sphere decoding algorithm is proposed, where the radius of the decoding hypersphere is learned by a deep neural network (DNN).