19 papers
Predictive Importance Sampling Based Coverage Verification for Multi-UAV Trajectory Planning
Snehashish Ghosh, Sasthi C. Ghosh
Unmanned aerial vehicle (UAV) networks are emerging as a promising solution for ultra-reliable low-latency communication (URLLC) in next-generation wireless systems. A key challeng…
Generalized Group Selection Strategies for Self-sustainable RIS-aided Communication
Lakshmikanta Sau, Priyadarshi Mukherjee, Sasthi C. Ghosh
Reconfigurable intelligent surface (RIS) is a cutting-edge communication technology that has been proposed as aviable option for beyond fifth-generation wireless communication netw…
How Long Can I Transmit? A Mobility Aware mmWave-based UAV Communication Framework
Shawon Mitra, Subhojit Sarkar, Sasthi C. Ghosh
One primary focus of next generation wireless communication networks is the millimeterwave (mmWave) spectrum, typically considered in the 30 GHz to 300 GHz frequency range. Despite…
User-UAV Association for Dynamic User in mmWave Communication for eMBB and URLLC
Siddhanta Parial, Sasthi C. Ghosh, Anil K. Ghosh
In unmanned aerial vehicle (UAV) assisted millimeter wave (mmWave) communication, appropriate user-UAV association is crucial for improving system performance. In mmWave communicat…
On the Deployment of RIS-mounted UAV Networks
Anupam Mondal, Priyadarshi Mukherjee, Sasthi C. Ghosh
Reconfigurable intelligent surfaces (RIS) enable smart wireless environments by dynamically controlling signal propagation to enhance communication and localization. Unmanned aeria…
Geometry Based UAV Trajectory Planning for Mixed User Traffic in mmWave Communication
Sk Abid Hasan, Lakshmikanta Sau, Sasthi C. Ghosh
Unmanned aerial vehicle (UAV) assisted communication is a revolutionary technology that has been recently presented as a potential candidate for beyond fifth-generation millimeter…
Energy-efficient UAV movement and user-UAV association in multi-UAV networks
Subhadip Ghosh, Priyadarshi Mukherjee, Sasthi C. Ghosh
These days, unmanned aerial vehicle (UAV)-based millimeter wave (mmWave) communication systems have drawn a lot of attention due to the increasing demand for faster data rates. Giv…
Double reflections Assisted RIS Deployment and Energy-efficient Group Selection in mmWaves D2D Communication
Lakshmikanta Sau, Sasthi C. Ghosh
Reconfigurable intelligent surfaces (RISs) offer a viable way to improve the performance of multi-hop device-to-device (D2D) communication. However, due to the substantial propagat…
A Graph-based Strategic Sensor Deployment Approach for k-coverage in WSN
Lakshmikanta Sau, Priyadarshi Mukherjee, Sasthi C. Ghosh
This paper studies a graph-based sensor deployment approach in wireless sensor networks (WSNs). Specifically, in today's world, where sensors are everywhere, detecting various attr…
Time varying channel estimation for RIS assisted network with outdated CSI: Looking beyond coherence time
Souvik Deb, Sasthi C. Ghosh
The channel estimation (CE) overhead for unstructured multipath-rich channels increases linearly with the number of reflective elements of reconfigurable intelligent surface (RIS).…
Priority aware grouping-based multihop routing scheme for RIS-assisted wireless networks
Lakshmikanta Sau, Priyadarshi Mukherjee, Sasthi C. Ghosh
Reconfigurable intelligent surfaces (RISs) is a novel communication technology that has been recently presented as a potential candidate for beyond fifth-generation wireless commun…
DRAMS: Double-RIS Assisted Multihop Routing Scheme for Device-to-Device Communication
Lakshmikanta Sau, Priyadarshi Mukherjee, Sasthi C. Ghosh
Reconfigurable intelligent surfaces (RISs) is a promising solution for enhancing the performance of multihop wireless communication networks. In this paper, we propose a double-RIS…
A Dynamic Obstacle Tracking Strategy for Proactive Handoffs in Millimeter-wave Networks
Rathindra Nath Dutta, Subhojit Sarkar, Sasthi C. Ghosh
Stringent line-of-sight demands necessitated by the fast attenuating nature of millimeter waves (mmWaves) through obstacles pose one of the central problems of next generation wire…
Optimal -edge Labeling of Infinite Octagonal Grid
Subhasis Koley, Sasthi C. Ghosh
For two given non-negative integers and , an -edge labeling of a graph is a function such that $\forall e_1…
On the Span of Distance Coloring of Infinite Hexagonal Grid
Sasthi C. Ghosh, Subhasis Koley
For a graph and , an distance coloring is a coloring of such that $\forall u,\;v \in V,\; u\neq v,\; f(u)\neq f(v)…
Improved Bounds on the Span of -edge Labeling of Some Infinite Regular Grids
Susobhan Bandopadhyay, Sasthi C. Ghosh, Subhasis Koley
For two given nonnegative integers and , an -edge labeling of a graph is the assignment of labels to the edges so that two edges having a co…
Local Relay Selection in Presence of Dynamic Obstacles in Millimeter Wave D2D Communication
Durgesh Singh, Arpan Chattopadhyay, Sasthi C. Ghosh
Blockage due to obstacles in millimeter wave (mmWave) device to device (D2D) communication is a prominent problem due to their severe penetration losses. Potential user equipments…
Distributed Relay Selection in Presence of Dynamic Obstacles in Millimeter Wave D2D Communication
Durgesh Singh, Arpan Chattopadhyay, Sasthi C. Ghosh
Millimeter wave (mmWave) device to device (D2D) communication is highly susceptible to obstacles due to severe penetration losses and requires almost a line of sight (LOS) communic…
Network-Assisted D2D Relay Selection Under the Presence of Dynamic Obstacles
Durgesh Singh, Sasthi C. Ghosh
Millimeter wave (\texttt{mmWave}) channels in device to device (\texttt{D2D}) communication are susceptible to blockages in spite of using directional beams from multi-input multi-…