2 citations · 4 across the 12 of their papers we have counts for
14 papers
PASA: A Priori Adaptive Splitting Algorithm for the Split Delivery Vehicle Routing Problem
Nariman Torkzaban, Anousheh Gholami, John S. Baras +1
The split delivery vehicle routing problem (SDVRP) is a relaxed variant of the capacitated vehicle routing problem (CVRP) where the restriction that each customer is visited precis…
Enabling Cooperative Hybrid Beamforming in TDD-based Distributed MIMO Systems
Nariman Torkzaban, Amir Khojastepour, John S. Baras
Distributed massive MIMO networks are envisioned to realize cooperative multi-point transmission in next-generation wireless systems. For efficient cooperative hybrid beamforming,…
Blind Cyclic Prefix-based CFO Estimation in MIMO-OFDM Systems
Nariman Torkzaban, Amir Khojastepour, John S. Baras
Low-complexity estimation and correction of carrier frequency offset (CFO) are essential in orthogonal frequency division multiplexing (OFDM). In this paper, we propose a low-overh…
Mobile Network Slicing under Demand Uncertainty: A Stochastic Programming Approach
Anousheh Gholami, Nariman Torkzaban, John S. Baras
Network slicing enables the deployment of multiple dedicated virtual sub-networks, i.e. slices on a shared physical infrastructure. Unlike traditional one-size-fits-all resource pr…
Capacitated Beam Placement for Multi-beam Non-Geostationary Satellite Systems
Nariman Torkzaban, Asim Zoulkarni, Anousheh Gholami +1
Non-geostationary (NGSO) satellite communications systems have attracted a lot of attention both from industry and academia, over the past several years. Beam placement is among th…
Multi-user Beam Alignment in Presence of Multi-path
Nariman Torkzaban, Mohammad A., Khojastepour +1
To overcome the high path-loss and the intense shadowing in millimeter-wave (mmWave) communications, effective beamforming schemes are required which incorporate narrow beams with…
Codebook Design for Composite Beamforming in Next-generation mmWave Systems
Nariman Torkzaban, Mohamamd A., Khojastepour +1
In pursuance of the unused spectrum in higher frequencies, millimeter wave (mmWave) bands have a pivotal role. However, the high path-loss and poor scattering associated with mmWav…
Shaping mmWave Wireless Channel via Multi-Beam Design using Reconfigurable Intelligent Surfaces
Nariman Torkzaban, Mohammad A. Amir Khojastepour
Millimeter-wave (mmWave) communications is considered as a key enabler towards the realization of next-generation wireless networks, due to the abundance of available spectrum at m…
Controller Placement in SDN-enabled 5G Satellite-Terrestrial Networks
Nariman Torkzaban, John S. Baras
SDN-enabled Integrated satellite-terrestrial networks (ISTNs), can provide several advantages including global seamless coverage, high reliability, low latency, etc. and can be a k…
On the Importance of Trust in Next-Generation Networked CPS Systems: An AI Perspective
Anousheh Gholami, Nariman Torkzaban, John S. Baras
With the increasing scale, complexity, and heterogeneity of the next generation networked systems, seamless control, management, and security of such systems becomes increasingly c…
Joint Satellite Gateway Deployment & Controller Placement in Software-Defined 5G-Satellite Integrated Networks
Nariman Torkzaban, John S. Baras
Several challenging optimization problems arise while considering the deployment of the space-air-ground integrated networks (SAGINs), among which the optimal satellite gateway dep…
Trust-Aware Service Function Chain Embedding: A Path-Based Approach
Nariman Torkzaban, John S. Baras
With the emergence of network function virtualization (NFV), and software-defined networking (SDN), the realization and implementation of service function chains (SFCs) have become…
Joint Mobility-Aware UAV Placement and Routing in Multi-Hop UAV Relaying Systems
Anousheh Gholami, Nariman Torkzaban, John S. Baras +1
Unmanned Aerial Vehicles (UAVs) have been extensively utilized to provide wireless connectivity in rural and under-developed areas, enhance network capacity and provide support for…
Joint Satellite Gateway Placement and Routing for Integrated Satellite-Terrestrial Networks
Nariman Torkzaban, Anousheh Gholami, Chrysa Papagianni +1
With the increasing attention to the integrated satellite-terrestrial networks (ISTNs), the satellite gateway placement problem becomes of paramount importance. The resulting netwo…