8 citations · 12 across the 6 of their papers we have counts for
8 papers
Outage Analysis of RSMA-Enabled Terrestrial Users Under Co-Channel Interference from HAPS
Farjam Karim, Nurul Huda Mahmood, Prathapasinghe Dharmawansa +2
The coexistence of terrestrial networks (TNs) with high-altitude platform station (HAPS)-based non-terrestrial networks (NTNs) is a promising approach for extending 6G connectivity…
Performance Analysis of HAPS-Assisted Downlink RSMA under Orthogonal and Full Frequency Reuse
Farjam Karim, Prathapasinghe Dharmawansa, Nurul Huda Mahmood +1
This paper analyzes the outage performance of a high-altitude platform station (HAPS)-assisted downlink employing rate-splitting multiple access (RSMA). A realistic link budget acc…
Rethinking Passive RIS: Finite Blocklength Reliability Analysis Under Thermal Noise
Farjam Karim, Deepak Kumar, Prathapasinghe Dharmawansa +3
Short-packet communication alters the fundamental performance limits of reconfigurable intelligent surface (RIS)-assisted systems, making conventional analyses based on the infinit…
Passive RIS Is Not Silent: Revisiting Performance Limits Under Thermal Noise
Farjam Karim, Deepak Kumar, Prathapasinghe Dharmawansa +3
Reconfigurable intelligent surfaces (RISs) have emerged as a promising solution for enabling energy-efficient and flexible spectrum usage in wireless communication, particularly in…
RSMA-Aided Full-Duplex Networks Under Imperfect CSI and SIC: Performance Evaluation
Farjam Karim, Nurul Huda Mahmood, Deepak Kumar +2
This work investigates a full-duplex (FD)-enhanced Rate-Splitting Multiple Access (RSMA) system under practical constraints, including imperfect channel state information (CSI) and…
Impact of CSIR, SIC, and Hardware Impairments on the Ergodic Rate of Downlink RSMA
Farjam Karim, Deepak Kumar, Prathapasinghe Dharmawansa +3
This work investigates the ergodic rate performance analysis of rate-splitting multiple access (RSMA) in a downlink communication system under practical impairments. Closed-form ex…
A Deep-Unfolding Approach to RIS Phase Shift Optimization Via Transformer-Based Channel Prediction
Ishan Koralege, Arthur S. de Sena, Nurul H. Mahmood +3
Reconfigurable intelligent surfaces (RISs) have emerged as a promising solution that can provide dynamic control over the propagation of electromagnetic waves. The RIS technology i…
Uplink Rate Splitting Multiple Access with Imperfect Channel State Information and Interference Cancellation
Farjam Karim, Nurul Huda Mahmood, Arthur S. de Sena +3
This article investigates the performance of uplink rate splitting multiple access (RSMA) in a two-user scenario, addressing an under-explored domain compared to its downlink count…