Athanasios Lioumpas

Publications

• Channel Quality Estimation Index (CQEI): A long-term performance metric for fading channels and an application in EGC receivers
• Optical wireless communications with adaptive subcarrier PSK intensity modulation
• Adaptive generalized selection combining (A-GSC) receivers
• Energy efficient cooperative scheduling based on sleep-wake mechanisms
• Adaptive subcarrier PSK intensity modulation in free space optical systems
• Blind ratio combining (BRC): An optimum diversity receiver for coherent detection with unknown fading amplitudes
• Low complexity amplify and forward relaying without channel amplitude estimation
• Variable-rate M-PSK communications without channel amplitude estimation
• Coordinated tethering for devices with multi-RAT capabilities: An algorithmic solution and performance analysis
• Channel Quality Estimation Index (CQEI): An improved performance: Criterion for wireless communications systems over fading channels
• On the switching rate of ST-MIMO systems with energy-based antenna selection
• Sensing Principles for Biomedical Telemetry
• Expanding LTE for devices: Requirements, deployment phases and target scenarios
• Reliable and energy efficient communications for wireless biomedical implant systems
• Selective cooperative relaying over time-varying channels
• Analytical modelling and performance evaluation of realistic time-controlled M2M scheduling over LTE cellular networks
• Interference minimization in hybrid WiFi/cellular networks
• Enhancing the efficiency of cluster-based networks through MISO techniques
• Increasing power efficiency in transmitter diversity systems under error performance constraints
• Switching rate in selective cooperative relaying
• Adaptive M-PSK communications in the absence of channel gain estimation
• Evolution of packet scheduling for Machine-Type communications over LTE: Algorithmic design and performance analysis
• Increasing the efficiency of rake receivers for ultra-wideband applications
• Uplink scheduling for Machine-to-Machine communications in LTE-based cellular systems
• Exploiting spatial correlation in distributed MIMO networks
• Energy efficient AF relaying under error performance constraints with application to M2M networks
• On the Energy Consumption Forecasting of Data Centers Based on Weather Conditions: Remote Sensing and Machine Learning Approach
• Performance aware resource allocation and traffic aggregation for user slices in wireless HetNets
• M2M scheduling over LTE: Challenges and new perspectives
• Another look at multibranch switched diversity systems
• Increasing power efficiency in transmitter diversity systems under error performance constraints
• Partitioning of distributed MIMO systems based on overhead considerations
• θ-QAM: A parametric quadrature amplitude modulation family and its performance in AWGN and fading channels
• An improved approximation for the Gaussian Q-function
• A hybrid contention/reservation medium access protocol for Wireless Sensor Networks
• Reliable and energy-efficient communications for wireless biomedical implant systems
• Performance analysis of variable-angle quadrature amplitude constellations
• Hybrid threshold-based selection diversity receivers for efficient resources utilization
• Slotted ALOHA With NOMA for the Next Generation IoT
• A Robust OFDM IM-QAM NOMA Scheme for URLLC and eMBB Downlink Service Coexistence
• A Robust OFDM IM-QAM NOMA Scheme for URLLC and eMBB Downlink Service Coexistence