HARNESSING HIDDEN DIVERSITY GAINS OF CELLULAR NETWORKS

Sum-Rate Optimization in Flexible Half-Duplex Networks With Transmitter/Receiver Scheduling

Shalanika Dayarathna, Rajitha Senanayake, Jamie Evans

2022-07-01

In this paper, we focus on the problem of transmitter and receiver scheduling to maximize the achievable sum-rate of a flexible ha..

Optimal Routing for Multi-User Multi-Hop Relay Networks Via Dynamic Programming

Shalanika Dayarathna, Rajitha Senanayake, Jamie Evans

2022-05-23

In this letter, we study the relay selection problem in multi-user, multi-hop relay networks with the objective of minimizing the ..

Maximizing Sum-Rate via Relay Selection and Power Control in Dual-Hop Networks

Shalanika Dayarathna, Rajitha Senanayake, Jamie Evans

2022-01-01

In this paper, we focus on the sum-rate optimization problem in a general dual-hop relay network by considering the joint relay se..

Optimum Location-Based Relay Selection in Wireless Networks

Hazer Inaltekin, Saman Atapattu, Jamie S Evans

2021-09-01

This paper studies the performance and key structural properties of the optimum location-based relay selection policy for wireless..

Physical Layer Security for Intelligent Reflecting Surface Assisted Two-Way Communications

Mevan Wijewardena, Tharaka Samarasinghe, Kasun T Hemachandra, Saman Atapattu, Jamie S Evans

2021-07-01

This letter investigates the exploitation of an intelligent reflecting surface (IRS) to communicate securely in a two-way network ..

Energy-Efficiency Fairness of Interference Multi-Relay Networks for Multi-User Communications

Minhua Ding, Saman Atapattu, Chathuranga Weeraddana, Jamie Evans

2021-03-01

We investigate a single-antenna multi-user multi-relay interference network, where multiple source nodes simultaneously communicat..

Fractionally Spaced Equalization and Decision Feedback Sequence Detection for Diffusive MC

Trang Ngoc Cao, Vahid Jamali, Nikola Zlatanov, Phee Lep Yeoh, Jamie Evans, Robert Schober

2021-01-01

In this letter, we consider diffusive molecular communication (MC) systems affected by signal-dependent diffusive noise, inter-sym..

Optimal Detection Interval for Absorbing Receivers in Molecular Communication Systems with Interference

TN Cao, N Zlatanov, PL Yeoh, JS Evans

2020-12-01

We consider a molecular communication system comprised of a transmitter, an absorbing receiver, and an interference source. Assumi..

Reconfigurable Intelligent Surface Assisted Two–Way Communications: Performance Analysis and Optimization

Saman Atapattu, Rongfei Fan, Prathapasinghe Dharmawansa, Gongpu Wang, Jamie Evans, Theodoros A Tsiftsis

2020-10-01

In this paper, we investigate the two-way communication between two users assisted by a reconfigurable intelligent surface (RIS). ..

Latency Minimization with Optimum Workload Distribution and Power Control for Fog Computing

S Atapattu, C Weeraddana, M Ding, H Inaltekin, J Evans

2020-06-19

This paper investigates a three-layer IoT-fog-cloud computing system to determine the optimum workload and power allocation at eac..

Two-Way Communications via Reconfigurable Intelligent Surface

S Atapattu, R Fan, P Dharmawansa, G Wang, J Evans

2020-06-19

The novel reconfigurable intelligent surface (RIS) is an emerging technology which facilitates high spectrum and energy efficienci..

Binary Power Optimality for Two Link Full-Duplex Network

Shalanika Dayarathna, Rajitha Senanayake, Jamie Evans

2020-05-01

In this paper, we analyse the optimality of binary power allocation in a network that includes full-duplex communication links. Co..

Centralized Scheduling with Sum-Rate optimization in Flexible Half-Duplex Networks

Shalanika Dayarathna, Mohammadkhani Razlighi, Rajitha Senanayake, Nikola Zlatanov, Jamie Evans

2020-05-01

In this paper, we focus on maximization of the instantaneous sum-rate in flexible half-duplex networks, where nodes have the flexi..

Chemical Reactions-based Detection Mechanism for Molecular Communications

Trang Ngoc Cao, Vahid Jamali, Wayan Wicke, Phee Lep Yeoh, Nikola Zlatanov, Jamie Evans, Robert Schober

2020-05-01

In molecular communications, the direct detection of signaling molecules may be challenging due to the lack of suitable sensors an..

Limited-feedback distributed relay selection for random spatial wireless networks

H Inaltekin, S Atapattu, J Evans

2020-02-27

This paper considers a location-based optimal relay selection scheme for a relay-assisted wireless network where available decode-..

Resource allocation in dynamic DF relay for swipt network with circuit power consumption

B Pilanawithana, S Atapattu, J Evans

2020-02-27

This paper considers simultaneous wireless information and power transfer (SWIPT) over a dual-hop dynamic decode-and-forward (DF) ..

Location-Based Optimum Relay Selection in Random Spatial Networks

S Atapattu, H Inaltekin, J Evans

2019-05-01

© 2019 IEEE. This paper investigates the location-based relay selection problem, where the source node chooses its relay from a se..

Multi-User Relay Selection for Full-Duplex Radio

Saman Atapattu, Prathapasinghe Dharmawansa, Marco Di Renzo, Chintha Tellambura, Jamie S Evans

2019-02-01

This paper investigates a user-fairness relay selection (RS) problem for decode-and-forward (DF) full-duplex (FD) relay networks, ..

Physical-Layer Security in Full-Duplex Multi-Hop Multi-User Wireless Network With Relay Selection

Saman Atapattu, Nathan Ross, Yindi Jing, Yuanyuan He, Jamie S Evans

2019-02-01

This paper investigates the relay selection (RS) problem for multi-hop full-duplex relay networks where multiple source-destinatio..