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View article: 1-bit RIS-aided Index Modulation with Quantum Annealing
1-bit RIS-aided Index Modulation with Quantum Annealing Open
In this paper, we investigate a new index modulation (IM) scheme for reconfigurable intelligent surface (RIS)-assisted communications with 1-bit RIS phase resolution. In addition to the traditional modulated symbols, extra bits of informat…
View article: 1-Bit RIS-Aided Index Modulation With Quantum Annealing
1-Bit RIS-Aided Index Modulation With Quantum Annealing Open
In this paper, we investigate a new index modulation (IM) scheme for reconfigurable intelligent surface (RIS)-assisted communications with 1-bit RIS phase resolution. In addition to the traditional modulated symbols, extra bits of informat…
View article: Chaotic Noncoherent SWIPT in Multi-Functional RIS-Aided Systems
Chaotic Noncoherent SWIPT in Multi-Functional RIS-Aided Systems Open
In this letter, we investigate the design of chaotic signal-based transmit waveforms in a multi-functional reconfigurable intelligent surface (MF-RIS)-aided set-up for simultaneous wireless information and power transfer. We propose a diff…
View article: Outage Probability Analysis of Tunable Liquid Lens-assisted VLC Systems
Outage Probability Analysis of Tunable Liquid Lens-assisted VLC Systems Open
This paper presents a tunable liquid lens (TLL)-assisted indoor mobile visible light communication system. To mitigate performance degradation caused by user mobility and random receiver orientation, an electrowetting cuboid TLL is used at…
View article: Graphene-based beam-reconfigurable liquid antenna for 5G mmWave wireless systems
Graphene-based beam-reconfigurable liquid antenna for 5G mmWave wireless systems Open
The advancement of wireless technologies has led to significant progress in antenna design in order to meet the continuously increasing demands. Liquid antennas have gained significant interest in research owing to their distinctive proper…
View article: Switched Combining for Reconfigurable Fluid Antenna Systems
Switched Combining for Reconfigurable Fluid Antenna Systems Open
Reconfigurable fluid antennas (FAs) is an antenna technology suitable for future 6G networks due to their flexibility and the extra degrees of freedom they provide. Nevertheless, FAs suffer from high channel estimation overhead as a result…
View article: An RIS-enabled Time Reversal Scheme for Multipath Near-Field Channels
An RIS-enabled Time Reversal Scheme for Multipath Near-Field Channels Open
Time reversal (TR) is a promising technique that exploits multipaths for achieving energy focusing in high-frequency wideband communications. In this letter, we focus on a TR scheme facilitated by a reconfigurable intelligent surface (RIS)…
View article: DCSK-based Waveform Design for Self-sustainable RIS-aided Noncoherent SWIPT
DCSK-based Waveform Design for Self-sustainable RIS-aided Noncoherent SWIPT Open
This paper investigates the problem of transmit waveform design in the context of a chaotic signal-based self-sustainable reconfigurable intelligent surface (RIS)-aided system for simultaneous wireless information and power transfer (SWIPT…
View article: Advanced Channel Coding Designs for Index-Modulated Fluid Antenna Systems
Advanced Channel Coding Designs for Index-Modulated Fluid Antenna Systems Open
<p>The concept of fluid antennas (FAs) has emerged as a promising solution to enhance the spectral efficiency of wireless networks, achieved by introducing additional degrees of freedom, including reconfigurability and flexibility. I…
View article: An RIS-Enabled Time Reversal Scheme for Multipath Near-Field Channels
An RIS-Enabled Time Reversal Scheme for Multipath Near-Field Channels Open
Time reversal (TR) is a promising technique that exploits multipaths for achieving energy focusing in high-frequency wideband communications. In this letter, we focus on a TR scheme facilitated by a reconfigurable intelligent surface (RIS)…
View article: Semantic Communications for Simultaneous Wireless Information and Power Transfer
Semantic Communications for Simultaneous Wireless Information and Power Transfer Open
In this paper, we study the fundamental limits of simultaneous semantic information and power transfer in wireless networks, where we consider both the point-to-point case as well as the Gaussian multiple access channel (MAC). Specifically…
View article: Information-Energy Capacity Region for SLIPT Systems Over Lognormal-Fading Channels
Information-Energy Capacity Region for SLIPT Systems Over Lognormal-Fading Channels Open
In this paper, we study the fundamental limits of simultaneous lightwave information and power transfer (SLIPT) systems over channels with path loss and lognormal fading conditions. We consider a system with a single transmitter transferri…
View article: Integrated SWIPT Receiver with Memory Effects: Circuit Analysis and Information Detection
Integrated SWIPT Receiver with Memory Effects: Circuit Analysis and Information Detection Open
Wireless power transfer has been proposed as a key technology for the foreseen machine type networks. A main challenge in the research community lies in acquiring a simple yet accurate model to capture the energy harvesting performance. In…
View article: Wireless Information and Energy Transfer in the Era of 6G Communications
Wireless Information and Energy Transfer in the Era of 6G Communications Open
Wireless information and energy transfer (WIET) represents an emerging paradigm which employs controllable transmission of radio-frequency signals for the dual purpose of data communication and wireless charging. As such, WIET is widely re…
View article: Integrated SWIPT Receiver with Memory Effects: Circuit Analysis and Information Detection
Integrated SWIPT Receiver with Memory Effects: Circuit Analysis and Information Detection Open
Wireless power transfer has been proposed as a key technology for the foreseen machine type networks. A main challenge in the research community lies in acquiring a simple yet accurate model to capture the energy harvesting performance. In…
View article: Advanced Channel Coding Designs for Index-Modulated Fluid Antenna Systems
Advanced Channel Coding Designs for Index-Modulated Fluid Antenna Systems Open
The concept of fluid antennas (FAs) has emerged as a promising solution to enhance the spectral efficiency of wireless networks, achieved by introducing additional degrees of freedom, including reconfigurability and flexibility. In this pa…
View article: Information-Energy Capacity Region for SWIPT Systems with Semantic Communication
Information-Energy Capacity Region for SWIPT Systems with Semantic Communication Open
In this paper, we study the fundamental limits of simultaneous semantic information and power transfer. In particular, a three-party communication system is considered, where an information transmitter aims to simultaneously convey semanti…
View article: Superimposed Chirp Waveforms for SWIPT with Diplexer-based Integrated Receivers
Superimposed Chirp Waveforms for SWIPT with Diplexer-based Integrated Receivers Open
In this paper, we present the superposition of chirp waveforms for simultaneous wireless information and power transfer (SWIPT) applications. Exploiting the chirp waveform characteristics enables us to superimpose multiple chirps, thereby …
View article: Continuous Fluid Antenna Systems: Modeling and Analysis
Continuous Fluid Antenna Systems: Modeling and Analysis Open
Fluid antennas (FAs) is a promising technology for introducing flexibility and reconfigurability in wireless networks. Recent research efforts have highlighted the potential gains that can be achieved in comparison to conventional antennas…
View article: Spatial Modulation With Energy Detection: Diversity Analysis and Experimental Evaluation
Spatial Modulation With Energy Detection: Diversity Analysis and Experimental Evaluation Open
In this paper, we present a non-coherent energy detection scheme for spatial modulation (SM) systems. In particular, the use of SM is motivated by its low-complexity implementation in comparison to multiple-input multiple-output (MIMO) sys…
View article: A Hybrid Scheme for Reconfigurable Intelligent Surfaces: How Many Elements Should be Estimated?
A Hybrid Scheme for Reconfigurable Intelligent Surfaces: How Many Elements Should be Estimated? Open
In this work, a low-complexity hybrid scheme is presented for a wireless network assisted by a reconfigurable intelligent surface (RIS), where channel estimation is required for only a subset of the elements. Specifically, in order to redu…
View article: Correlation Mitigation Schemes for Index-Modulated Fluid Antenna Systems
Correlation Mitigation Schemes for Index-Modulated Fluid Antenna Systems Open
In this paper, we investigate the use of index-modulated (IM) transmissions within the framework of fluid antenna (FA) systems, where an FA port is activated during each transmission interval. The adoption of this approach is motivated by …
View article: Spatial Modulation with Energy Detection: Diversity Analysis and Experimental Evaluation
Spatial Modulation with Energy Detection: Diversity Analysis and Experimental Evaluation Open
In this paper, we present a non-coherent energy detection scheme for spatial modulation (SM) systems. In particular, the use of SM is motivated by its low-complexity implementation in comparison to multiple-input multiple-output (MIMO) sys…
View article: Chaotic Waveform-based Signal Design for Noncoherent SWIPT Receivers
Chaotic Waveform-based Signal Design for Noncoherent SWIPT Receivers Open
This paper proposes a chaotic waveform-based multi-antenna receiver design for simultaneous wireless information and power transfer (SWIPT). Particularly, we present a differential chaos shift keying (DCSK)-based SWIPT multiantenna receive…
View article: Fluid Antenna Systems with Outdated Channel Estimates
Fluid Antenna Systems with Outdated Channel Estimates Open
A desired characteristic of future communication networks is the notion of reconfigurability. For a wireless device, this can be realized through the employment of the so-called fluid antennas (FAs). An FA consists of a dielectric holder, …
View article: Outage and DMT Analysis of Partition-based Schemes for RIS-aided MIMO Fading Channels
Outage and DMT Analysis of Partition-based Schemes for RIS-aided MIMO Fading Channels Open
In this paper, we investigate the performance of multiple-input multiple-output (MIMO) fading channels assisted by a reconfigurable intelligent surface (RIS), through the employment of partition-based RIS schemes. The proposed schemes are …
View article: Outage and DMT Analysis of Partition-based Schemes for RIS-aided MIMO Fading Channels
Outage and DMT Analysis of Partition-based Schemes for RIS-aided MIMO Fading Channels Open
In this paper, we investigate the performance of multiple-input multiple-output (MIMO) fading channels assisted by a reconfigurable intelligent surface (RIS), through the employment of partition-based RIS schemes. The proposed schemes are …
View article: Wireless Power Transfer Using Chirp Waveforms
Wireless Power Transfer Using Chirp Waveforms Open
In this work, we investigate a superimposed chirp waveform for wireless power transfer (WPT) applications. By taking into account the properties of chirp signals, a transmission scheme is proposed that incorporates chirp superposition and …
View article: Analysis of Scheduling Schemes in Wireless Powered Backscatter Communication Networks with Spatial Randomness
Analysis of Scheduling Schemes in Wireless Powered Backscatter Communication Networks with Spatial Randomness Open
This paper studies the performance of a wireless powered backscatter communication network consisting of an exciter, several randomly distributed backscattering devices (BDs) and a receiver. We consider selection/scheduling schemes, where …