Browsing Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών / Department of Electrical and Computer Engineering by Author "Psomas, Constantinos"
Now showing items 1-18 of 18
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Conference Object
Ambient RF Energy Harvesting with Non-Linearities in Large-Scale Networks
Psomas, Constantinos; Krikidis, Ioannis (2019)Ambient radio-frequency (RF) energy harvesting is a potential solution for charging low-powered devices, as a result of its cost effectiveness and pervasiveness. In this paper, we deal with devices which are underlaid in ...
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Article
Asynchronous Ad Hoc Networks With Wireless Powered Cognitive Communications
Demarchou, Eleni; Psomas, Constantinos; Krikidis, Ioannis (2019)Over the recent years, the proliferation of smart devices and their applications has led to a rapid evolution of the concept of the Internet of Things (IoT), advancing large scale machine type networks which are characterized ...
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Conference Object
Distributed Estimation in Wireless Powered mmWave Networks with Random Beamforming
Psomas, Constantinos; Krikidis, Ioannis (2018)This paper studies wireless power transfer for distributed estimation in the context of millimeter-wave (mmWave) communication networks. Specifically, a mmWave wireless powered communication network is considered, where ...
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Article
Energy Beamforming in Wireless Powered mmWave Sensor Networks
Psomas, Constantinos; Krikidis, Ioannis (2019)This paper studies the beneficial combination of wireless power transfer and millimeter-wave (mmWave) communications in wireless sensor networks. In particular, an mmWave wireless powered sensor network is considered, where ...
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Conference Object
Energy Efficiency for MEC Offloading with NOMA through Coalitional Games
Eliodorou, Michalis; Psomas, Constantinos; Krikidis, Ioannis; Socratous, Socratis (2019)In this paper, we investigate the user association problem for mobile edge computation (MEC) offloading in non-orthogonal multiple access (NOMA) networks. According to NOMA, multiple users can access the MEC server to ...
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Conference Object
Finite Blocklength Analysis of the Multiple Access Relay Channel with Batch-and-Forward Strategy
Kourtellaris, Christos K.; Psomas, Constantinos; Krikidis, Ioannis (2019)This work provides a comprehensive framework regarding the analysis of the Multiple Access Relay Channel (MARC) with Time Division Multiple Access (TDMA) scheduling, subject to finite blocklength constraints. In particular, ...
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Conference Object
Full-Duplex Radio in mmWave Cellular Networks with Cell Center/Edge Users
Skouroumounis, Christodoulos; Psomas, Constantinos; Krikidis, Ioannis (2018)In this paper, we assess the effect of full-duplex (FD) communications in the context of millimeter-wave (mmWave) cellular networks. The FD radio can potentially double the spectral efficiency but its performance is ...
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Article
Heterogeneous FD-mm-Wave Cellular Networks With Cell Center/Edge Users
Skouroumounis, Christodoulos; Psomas, Constantinos; Krikidis, Ioannis (2019)In this paper, we assess the effect of full-duplex (FD) radio in the context of millimeter-wave (mm-Wave) communications. Particularly, we propose an analytical framework, based on stochastic geometry, to evaluate the ...
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Conference Object
An Integrated SWIPT Receiver Using Non-Coherent Detection Schemes
Goudeli, Eleni; Psomas, Constantinos; Krikidis, Ioannis (2018)In this paper, we investigate non-coherent detection schemes, for the integrated simultaneous wireless information and power transfer (SWIPT) receiver. Firstly, we study a symbol by symbol (SBS) detection, while optimization ...
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Article
Mobility Management in Ultra-Dense Networks: Handover Skipping Techniques
Demarchou, Eleni; Psomas, Constantinos; Krikidis, Ioannis (2018)Ultra-dense network deployment is a key technology for potentially achieving the capacity target of next-generation wireless communication systems. However, such a deployment results in cell proliferation and cell size ...
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Conference Object
Short Packet Communications in Large-Scale Wireless Powered Networks
Psomas, Constantinos; Kourtellaris, Christos K.; Krikidis, Ioannis (2019)Wireless power transfer and short packet communications are two technologies ideal for next-generation low-power wireless networks such as the Internet of Things. In this paper, we consider the employment of wireless powered ...
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Conference Object
Stability of a TDMA Network Subject to Finite Blocklength Constraints
Kourtellaris, Christos K.; Psomas, Constantinos; Krikidis, Ioannis (2019)Recent advances in information theory have provided a novel framework regarding finite blocklength analysis, which can be employed to address the current and future demands of communication networks. In this paper, we ...
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Conference Object
System-Level Analysis for Full-Duplex MmWave Cellular Networks
Skouroumounis, Christodoulos; Psomas, Constantinos; Krikidis, Ioannis (2018)In this paper, we investigate the performance of full-duplex (FD) radio in large-scale heterogeneous millimeter-wave (mmWave) cellular networks. The FD radio can potentially double the spectral efficiency but its performance ...
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Article
Tone-Index Multisine Modulation for SWIPT
Krikidis, Ioannis; Psomas, Constantinos (2019)We propose a new simultaneous wireless information and power transfer technique that embeds information bits in the tone index of multisine waveforms. By varying the number of subcarriers of the transmitted bandwidth-constrained ...
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Conference Object
User Association Coalition Games with Zero-Forcing Beamforming and NOMA
Eliodorou, Michalis; Psomas, Constantinos; Krikidis, Ioannis; Socratous, Socratis (2019)In future fifth generation (5G) and beyond wireless technologies, ultra-dense networks (UDNs) will be employed to serve a massive amount of devices with mobile access. One of the major challenges in UDNs is user association, ...
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Book Chapter
Wireless Power Transfer
Psomas, Constantinos; Krikidis, Ioannis (John Wiley & Sons, Ltd, 2018)Large-scale wireless networks are characterized by the existence of multi-user interference due to the concurrent transmission of the network's terminals. In networks where the main focus is wireless power transfer (WPT), ...
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Conference Object
Wireless Powered Cognitive Communications with Asynchronous Channel Access
Demarchou, Eleni; Psomas, Constantinos; Krikidis, Ioannis (2019)Future machine type networks, such as the Internet of Things (IoT), will be characterized by sporadic transmissions of short packets. In this paper, we study an asynchronous channel access model performed by a primary ad ...
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Article
A Wireless Powered Feedback Protocol for Opportunistic Beamforming Using Rectenna Arrays
Psomas, Constantinos; Krikidis, Ioannis (2018)This paper proposes an opportunistic beamforming (OBF) protocol with limited feedback in the context of wireless powered communication networks. The terminals are randomly deployed around an access point (AP) and are ...