Octavia A. Dobre

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Memorial University of Newfoundland

Professor and Research Chair at Memorial University (Canada)

IRS-Empowered Wireless Communications: State-of-the-Art, Key Techniques, and Open Issues

In this article, we overview intelligent reflecting surface (IRS)-empowe...
01/19/2021 ∙ by Ming Zeng, et al. ∙ 0 ∙ share

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Exploiting Deep Learning for Secure Transmission in an Underlay Cognitive Radio Network

This paper investigates a machine learning-based power allocation design...
01/05/2021 ∙ by Miao Zhang, et al. ∙ 0 ∙ share

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Ordinary Differential Equation-based CNN for Channel Extrapolation over RIS-assisted Communication

The reconfigurable intelligent surface (RIS) is considered as a promisin...
12/22/2020 ∙ by Meng Xu, et al. ∙ 0 ∙ share

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Reconfigurable Intelligent Surface-Assisted Uplink Sparse Code Multiple Access

Reconfigurable intelligent surface-empowered communication (RIS) and spa...
11/19/2020 ∙ by Ibrahim Al-Nahhal, et al. ∙ 0 ∙ share

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Massive Uncoordinated Multiple Access for Beyond 5G

Existing wireless communication systems have been mainly designed to pro...
09/30/2020 ∙ by Mostafa Mohammadkarimi, et al. ∙ 0 ∙ share

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Low Complexity Neural Network Structures for Self-Interference Cancellation in Full-Duplex Radio

Self-interference (SI) is considered as a main challenge in full-duplex ...
09/23/2020 ∙ by Mohamed Elsayed, et al. ∙ 0 ∙ share

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Robust Design for Intelligent Reflecting Surface Assisted MIMO-OFDMA Terahertz Communications

Recently, terahertz (THz) communication has drawn considerable attention...
09/13/2020 ∙ by Wanming Hao, et al. ∙ 0 ∙ share

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Deep Learning Based Antenna Selection for Channel Extrapolation in FDD Massive MIMO

In massive multiple-input multiple-output (MIMO) systems, the large numb...
09/03/2020 ∙ by Yindi Yang, et al. ∙ 16 ∙ share

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Deep Learning Optimized Sparse Antenna Activation for Reconfigurable Intelligent Surface Assisted Communication

To capture the communications gain of the massive radiating elements wit...
09/03/2020 ∙ by Shunbo Zhang, et al. ∙ 27 ∙ share

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On the Complexity Reduction of Uplink Sparse Code Multiple Access for Spatial Modulation

Multi-user spatial modulation (SM) assisted by sparse code multiple acce...
08/17/2020 ∙ by Ibrahim Al-Nahhal, et al. ∙ 0 ∙ share

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Hardware Impaired Ambient Backscatter NOMA Systems: Reliability and Security

Non-orthogonal multiple access (NOMA) and ambient backscatter communicat...
08/13/2020 ∙ by Xingwang Li, et al. ∙ 0 ∙ share

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Battery Recharging Time Models for Reconfigurable Intelligent Surface-Assisted Wireless Power Transfer Systems

In this paper, we develop an analytical framework for the statistical an...
07/10/2020 ∙ by Lina Mohjazi, et al. ∙ 0 ∙ share

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Reliable Detection for Spatial Modulation Systems

Spatial modulation (SM) is a promising multiple-input multiple-output sy...
06/09/2020 ∙ by Ibrahim Al-Nahhal, et al. ∙ 0 ∙ share

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Intelligent Reflecting Surface Enhanced Millimeter-Wave NOMA Systems

In this paper, a downlink intelligent reflecting surface (IRS) enhanced ...
05/04/2020 ∙ by Jiakuo Zuo, et al. ∙ 0 ∙ share

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Graph Neural Network based Channel Tracking for Massive MIMO Networks

In this paper, we resort to the graph neural network (GNN) and propose t...
04/19/2020 ∙ by Yindi Yang, et al. ∙ 0 ∙ share

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Optimization of Rate Fairness in Multi-Pair Wireless-Powered Relaying Systems

This letter considers a multi-pair decode-and-forward relay network wher...
03/18/2020 ∙ by Van-Phuc Bui, et al. ∙ 0 ∙ share

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An Outlook on the Interplay of AI and Software-Defined Metasurfaces

Recent advances in programmable metasurfaces, also dubbed as software-de...
03/09/2020 ∙ by Lina Mohjazi, et al. ∙ 0 ∙ share

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Resource Allocation Technique for Hybrid TDMA-NOMA System with Opportunistic Time Assignment

In this paper, we develop a resource allocation technique for a hybrid t...
03/04/2020 ∙ by Xinchen Wei, et al. ∙ 0 ∙ share

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On the Effective Capacity of an Underwater Acoustic Channel under Impersonation Attack

This paper investigates the impact of authentication on effective capaci...
02/12/2020 ∙ by Waqas Aman, et al. ∙ 0 ∙ share

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Optical Rate-Splitting Multiple Access for Visible Light Communications

The proliferation of connected devices and emergence of internet-of-ever...
02/10/2020 ∙ by Shimaa Naser, et al. ∙ 0 ∙ share

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Non-Orthogonal Multiple Access with Wireless Caching for 5G-Enabled Vehicular Networks

The proliferation of connected vehicles along with the high demand for r...
01/20/2020 ∙ by Sanjeev Gurugopinath, et al. ∙ 0 ∙ share

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Bender's Decomposition for Optimization Design Problems in Communication Networks

Various types of communication networks are constantly emerging to impro...
10/05/2019 ∙ by Ahmed Ibrahim, et al. ∙ 0 ∙ share

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Fiber Nonlinearity Mitigation via the Parzen Window Classifier for Dispersion Managed and Unmanaged Links

Machine learning techniques have recently received significant attention...
09/17/2019 ∙ by Abdelkerim Amari, et al. ∙ 0 ∙ share

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Codebook-Based Max-Min Energy-Efficient Resource Allocation for Uplink mmWave MIMO-NOMA Systems

In this paper, we investigate the energy-efficient resource allocation p...
09/13/2019 ∙ by Wanming Hao, et al. ∙ 0 ∙ share

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VLC-Based Networking: Feasibility and Challenges

Visible-light communication (VLC) has emerged as a prominent technology ...
09/10/2019 ∙ by Alain R. Ndjiongue, et al. ∙ 0 ∙ share

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Energy Efficiency Optimization for Secure Transmission in MISO Cognitive Radio Network with Energy Harvesting

In this paper, we investigate different secrecy energy efficiency (SEE) ...
08/30/2019 ∙ by Miao Zhang, et al. ∙ 0 ∙ share

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Non-Orthogonal Multiple Access (NOMA): How It Meets 5G and Beyond

Due to massive connectivity and increasing demands of various services a...
07/23/2019 ∙ by S. M. Riazul Islam, et al. ∙ 0 ∙ share

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Low-Cost Uplink Sparse Code Multiple Access for Spatial Modulation

Spatial modulation (SM)-sparse code multiple access (SCMA) systems provi...
07/13/2019 ∙ by Ibrahim Al-Nahhal, et al. ∙ 0 ∙ share

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Optimum Low-Complexity Decoder for Spatial Modulation

In this paper, a novel low-complexity detection algorithm for spatial mo...
05/22/2019 ∙ by Ibrahim Al-Nahhal, et al. ∙ 0 ∙ share

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Time Reversal based MAC for Multi-Hop Underwater Acoustic Networks

Constrained-energy underwater acoustic nodes are typically connected via...
03/15/2019 ∙ by Ruiqin Zhao, et al. ∙ 0 ∙ share

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Energy-Efficient Power Allocation in Uplink mmWave Massive MIMO with NOMA

In this paper, we study the energy efficiency (EE) maximization problem ...
03/13/2019 ∙ by Ming Zeng, et al. ∙ 0 ∙ share

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Energy-Efficient Joint User-RB Association and Power Allocation for Uplink Hybrid NOMA-OMA

In this paper, energy efficient resource allocation is considered for an...
03/13/2019 ∙ by Ming Zeng, et al. ∙ 0 ∙ share

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Securing Downlink Massive MIMO-NOMA Networks with Artificial Noise

In this paper, we focus on securing the confidential information of mass...
03/13/2019 ∙ by Ming Zeng, et al. ∙ 0 ∙ share

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A Machine Learning-Based Detection Technique for Optical Fiber Nonlinearity Mitigation

We investigate the performance of a machine learning classification tech...
02/27/2019 ∙ by Abdelkerim Amari, et al. ∙ 0 ∙ share

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Sensing-Throughput Tradeoff for Superior Selective Reporting-based Spectrum Sensing in Energy Harvesting HCRNs

In this paper, we investigate the performance of conventional cooperativ...
02/01/2019 ∙ by Rajalekshmi Kishore, et al. ∙ 0 ∙ share

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Mixed-ADC/DAC Multipair Massive MIMO Relaying Systems: Performance Analysis and Power Optimization

High power consumption and expensive hardware are two bottlenecks for pr...
09/10/2018 ∙ by Jiayi Zhang, et al. ∙ 0 ∙ share

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Signature-based Non-orthogonal Multiple Access (S-NOMA) for Massive Machine-Type Communications in 5G

The problem of providing massive connectivity in Internet-of-Things (IoT...
08/22/2018 ∙ by Mostafa Mohammadkarimi, et al. ∙ 0 ∙ share

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Joint Power and Time Allocation for NOMA-MEC Offloading

This paper considers non-orthogonal multiple access (NOMA) assisted mobi...
07/17/2018 ∙ by Zhiguo Ding, et al. ∙ 0 ∙ share

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Directional Spatial Channel Estimation For Massive FD-MIMO in Next Generation 5G Networks

Full-dimensional (FD) channel state information at transmitter (CSIT) ha...
06/10/2018 ∙ by Ali A. Esswie, et al. ∙ 0 ∙ share

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All Technologies Work Together for Good: A Glance to Future Mobile Networks

The astounding capacity requirements of 5G have motivated researchers to...
04/16/2018 ∙ by Animesh Yadav, et al. ∙ 0 ∙ share

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Effects of CSI Knowledge on Secrecy of Threshold-Selection Decode-and-Forward Relaying

This paper considers secrecy of a three node cooperative wireless system...
03/01/2018 ∙ by Chinmoy Kundu, et al. ∙ 0 ∙ share

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Joint Inter-flow Network Coding and Opportunistic Routing in Multi-hop Wireless Mesh Networks: A Comprehensive Survey

Network coding and opportunistic routing are two recognized innovative i...
03/01/2018 ∙ by Somayeh Kafaie, et al. ∙ 0 ∙ share

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On the Performance of Network NOMA in Uplink CoMP Systems: A Stochastic Geometry Approach

To improve the system throughput, this paper proposes a network non-orth...
03/01/2018 ∙ by Yanshi Sun, et al. ∙ 0 ∙ share

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Doppler Spread Estimation in MIMO Frequency-selective Fading Channels

One of the main challenges in high-speed mobile communications is the pr...
02/08/2018 ∙ by Mostafa Mohammadkarimi, et al. ∙ 0 ∙ share

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Is Self-Interference in Full-Duplex Communications a Foe or a Friend?

This paper studies the potential of harvesting energy from the self-inte...
02/02/2018 ∙ by Animesh Yadav, et al. ∙ 0 ∙ share

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Energy-Efficient Power Loading for OFDM-based Cognitive Radio Systems with Channel Uncertainties

In this paper, we propose a novel algorithm to optimize the energy-effic...
01/12/2018 ∙ by Ebrahim Bedeer, et al. ∙ 0 ∙ share

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Rate-Interference Tradeoff in OFDM-based Cognitive Radio Networks

In cognitive radio (CR) networks, secondary users (SUs) are allowed to o...
01/10/2018 ∙ by Ebrahim Bedeer, et al. ∙ 0 ∙ share

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Performance Analysis of Network Coding with IEEE 802.11 DCF in Multi-Hop Wireless Networks

Network coding is an effective idea to boost the capacity of wireless ne...
01/07/2018 ∙ by Somayeh Kafaie, et al. ∙ 0 ∙ share

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FlexONC: Joint Cooperative Forwarding and Network Coding with Precise Encoding Conditions

In recent years, network coding has emerged as an innovative method that...
01/07/2018 ∙ by Somayeh Kafaie, et al. ∙ 0 ∙ share

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Network Coding Implementation Details: A Guidance Document

In recent years, network coding has become one of the most interesting f...
01/07/2018 ∙ by Somayeh Kafaie, et al. ∙ 0 ∙ share

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Octavia A. Dobre

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