Rajitha Senanayake

Frequency Permutations for Joint Radar and Communications

Rajitha Senanayake, Peter J Smith, Tian Han, Jamie Evans, William Moran, Robin Evans

Journal article  |  2022  |  IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS

This paper presents a new joint radar and communication technique based on the classical stepped frequency radar waveform. The ran..

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

Shalanika Dayarathna, Rajitha Senanayake, Jamie Evans

Journal article  |  2022  |  IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS

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

Journal article  |  2022  |  IEEE WIRELESS COMMUNICATIONS LETTERS

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

The Impact of Channel Type on Spectrum Sensing

Peter J Smith, Rajitha Senanayake, Pawel A Dmochowski, Khawla A Alnajjar, Andrea Giorgetti

Journal article  |  2022  |  IEEE WIRELESS COMMUNICATIONS LETTERS

In this letter, we investigate the impact of channel correlation and line-of-sight (LOS) on the performance of spectrum sensing, f..

Relay Assisted Underlay Cognitive Radio Networks with Multiple Users

Lanwei Zhang, Rajitha Senanayake, Saman Atapattu, Jamie Evans

Conference Proceedings  |  2022  |  2022 IEEE 33RD ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS (IEEE PIMRC)

In this paper, we consider an underlay cognitive radio network assisted by dual-hop decode-And-forward (DF) relaying. For a genera..

A Novel Partial Joint Processing Architecture for distributed Massive MIMO

Supuni Gunasekara, Rajitha Senanayake, Peter Smith, Margreta Kuijper

Conference Proceedings  |  2022  |  2022 IEEE 95TH VEHICULAR TECHNOLOGY CONFERENCE (VTC2022-SPRING)

We propose a new partial joint processing architecture for distributed massive multiple-input multiple-output (MIMO) networks. As ..

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

Shalanika Dayarathna, Rajitha Senanayake, Jamie Evans

Conference Proceedings  |  2022  |  2022 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC)

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

A Novel Joint Radar and Communications Technique based on Frequency Permutations

R Senanayake, P Smith, J Evans, B Moran, RJ Evans

Conference Proceedings  |  2021  |  IEEE Vehicular Technology Conference

This paper presents a new waveform that is suitable for simultaneous data transmission and radar sensing. The approach considers a..

Reliability Characterization for SIMO Communication Systems With Low-Resolution Phase Quantization Under Rayleigh Fading

Samiru Gayan, Rajitha Senanayake, Hazer Inaltekin, Jamie Evans

Journal article  |  2021  |  IEEE OPEN JOURNAL OF THE COMMUNICATIONS SOCIETY

This paper investigates the communication reliability for single-input-multiple-output wireless systems with low-resolution phase ..

Selection Combining for Multi-Antenna Communication with Low-Resolution ADCs

Samiru Gayan, Rajitha Senanayake, Hazer Inaltekin, Jamie Evans

Conference Proceedings  |  2021  |  2021 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT)

In this paper, we investigate antenna selection strategies for multi-antenna wireless communication systems with low-resolution qu..