activity
20222025
collaborators

10 papers

eess.SP2025

Joint Power Control and Antenna Positioning for Uplink RSMA in Pinching Antenna Systems

Zar Chi Phyo, Shreya Khisa, Chadi Assi +1

This paper investigates a rate-splitting multiple access (RSMA) for uplink pinching antenna system (PASS). Our objective is to maximize the uplink sum rate by jointly optimizing a…

eess.SP2025

Coordinated Multipoint Transmission in Pinching Antenna Systems

Ali Amhaz, Shreya Khisa, Mohamed Elhattab +2

We study a coordinated multi-point (CoMP) transmission where two base stations (BSs), each supported by a pinching antenna system (PASS), are deployed to jointly serve communicatio…

eess.SP2025

Joint Uplink and Downlink Resource Allocation and Antenna Activation for Pinching Antenna Systems

Shreya Khisa, Ali Amhaz, Mohamed Elhattab +2

In this paper, we explore a novel joint uplink and downlink framework utilizing a pinching antenna system (PASS). We consider two waveguides, one dedicated to transmission and one…

eess.SP2025

Meta-Learning-Driven Resource Optimization in Full-Duplex ISAC with Movable Antennas

Ali Amhaz, Shreya Khisa, Mohamed Elhattab +2

This paper investigates a full-duplex (FD) scenario where a base station (BS) equipped with movable antennas (MAs) simultaneously provides communication services to a set of downli…

eess.SY2025

Meta-Learning Driven Movable-Antenna-assisted Full-Duplex RSMA for Multi-User Communication: Performance and Optimization

Shreya Khisa, Ali Amhaz, Mohamed Elhattab +2

Full-duplex (FD) radios at base station (BS) have gained significant interest because of their ability to simultaneously transmit and receive signals on the same frequency band. Ho…

eess.SP2025

Enhancing CoMP-RSMA Performance with Movable Antennas: A Meta-Learning Optimization Framework

Ali Amhaz, Shreya Khisa, Mohamed Elhattab +2

This study investigates a downlink rate-splitting multiple access (RSMA) scenario in which multiple base stations (BSs), employing a coordinated multi-point (CoMP) transmission sch…

eess.SP2024

Gradient-Based Meta Learning for Uplink RSMA with Beyond Diagonal RIS

Shreya Khisa, Ali Amhaz, Mohamed Elhattab +2

Beyond diagonal reconfigurable intelligent surface (BD-RIS) has emerged as an innovative and generalized RIS framework that provides greater flexibility in wave manipulation and en…

eess.SP2024

Optimizing Multi-User Uplink Cooperative Rate-Splitting Multiple Access: Efficient User Pairing and Resource Allocation

Shreya Khisa, Mohamad Elhattab, Chadi Assi +1

This paper investigates joint user pairing, power and time slot duration allocation in the uplink multiple-input single-output (MISO) multi-user cooperative rate-splitting multiple…

eess.SP2024

Coordinated Half-Duplex/Full-Duplex Cooperative Rate-Splitting Multiple Access in Multi-Cell Networks

Mohamed Elhattab, Shreya Khisa, Chadi Assi +3

This paper explores downlink Cooperative Rate-Splitting Multiple Access (C-RSMA) in a multi-cell wireless network with the assistance of Joint-Transmission Coordinated Multipoint (…

cs.IT2022

Energy Consumption Optimization in RIS-Assisted Cooperative RSMA Cellular Networks

Shreya Khisa, Mohamad Elhattab, Chadi Assi +1

This paper presents a downlink reconfigurable intelligent surface (RIS)-assisted half-duplex (HD) cooperative rate splitting multiple access (C-RSMA) networks. The proposed system…