213 citations · 258 across the 16 of their papers we have counts for
16 papers
Autoencoder-based Optimization of Multi-user Molecule Mixture Communication Systems
Bastian Heinlein, Nuria Zurita Jiménez, Kaikai Zhu +4
In this paper, we introduce an autoencoder (AE)-based scheme for end-to-end optimization of a multi-user molecule mixture communication system. In the proposed scheme, each transmi…
Matched Filter-Based Molecule Source Localization in Advection-Diffusion-Driven Pipe Networks with Known Topology
Timo Jakumeit, Bastian Heinlein, Vukašin Spasojević +3
Synthetic molecular communication (MC) has emerged as a powerful framework for modeling, analyzing, and designing communication systems where information is encoded into properties…
RIS-Aided RSMA Improves the Latency vs. Energy Trade-off in the Finite Block Length MIMO Downlink
Mohammad Soleymani, Bruno Clerckx, Robert Schober +1
We simultaneously minimize the latency and improve energy efficiency (EE) of the multi-user multiple-input multiple-output (MU-MIMO) rate splitting multiple access (RSMA) downlink,…
Near-Field Multipath MIMO Channels: Modeling Reflectors and Exploiting NLOS Paths
Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober +2
Near-field (NF) communications is receiving renewed interest in the context of multiple-input multiple-output (MIMO) systems involving large physical apertures with respect to the…
DiffPace: Diffusion-based Plug-and-play Augmented Channel Estimation in mmWave and Terahertz Ultra-Massive MIMO Systems
Zhengdong Hu, Chong Han, Wolfgang Gerstacker +1
Millimeter-wave (mmWave) and Terahertz (THz)-band communications hold great promise in meeting the growing data-rate demands of next-generation wireless networks, offering abundant…
Wireless Energy Transfer Beamforming Optimization for Intelligent Transmitting Surface
Osmel Martínez Rosabal, Onel Alcaraz López, Victoria Dala Pegorara Souto +4
Radio frequency (RF) wireless energy transfer (WET) is a promising technology for powering the growing ecosystem of Internet of Things (IoT) using power beacons (PBs). Recent resea…
MC for Agriculture: A Framework for Nature-inspired Sustainable Pest Control
Fardad Vakilipoor, Nora Hirschmann, Julian Schladt +5
In agriculture, molecular communication (MC) is envisioned as a framework to address critical challenges such as smart pest control. While conventional approaches mostly rely on sy…
Rejuvenating IRS: AoI-based Low Overhead Reconfiguration Design
Jorge Torres Gómez, Joana Angjo, Moritz Garkisch +3
Intelligent reflective surface (IRS) technologies help mitigate undesirable effects in wireless links by steering the communication signal between transmitters and receivers. IRS e…
Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection
Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober +2
Near-field (NF) communications is receiving renewed attention in the context of passive reconfigurable intelligent surfaces (RISs) due to their potentially extremely large dimensio…
Delay Dispersion in IRS-assisted FSO Links
Hedieh Ajam, Vahid Jamali, Bernhard Schmauss +1
The line-of-sight (LOS) requirement of free-space optical (FSO) systems can be relaxed by employing optical intelligent reflecting surfaces (IRSs). In this paper, we model the impa…
User Tracking and Direction Estimation Codebook Design for IRS-Assisted mmWave Communication
Moritz Garkisch, Sebastian Lotter, Gui Zhou +2
Future communication systems are envisioned to employ intelligent reflecting surfaces (IRSs) and the millimeter wave (mmWave) frequency band to provide reliable high-rate services.…
The Road to Next-Generation Multiple Access: A 50-Year Tutorial Review
Yuanwei Liu, Chongjun Ouyang, Zhiguo Ding +1
The evolution of wireless communications has been significantly influenced by remarkable advancements in multiple access (MA) technologies over the past five decades, shaping the l…
Performance Tradeoff Between Overhead and Achievable SNR in RIS Beam Training
Friedemann Laue, Vahid Jamali, Robert Schober
Efficient beam training is the key challenge in the codebook-based configuration of reconfigurable intelligent surfaces (RISs) because the beam training overhead can have a strong…
Far- versus Near-Field RIS Modeling and Beam Design
Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober +1
In this chapter, we investigate the mathematical foundation of the modeling and design of reconfigurable intelligent surfaces (RIS) in both the far- and near-field regimes. More sp…
Reconfigurable Intelligent Surfaces for 6G: Emerging Hardware Architectures, Applications, and Open Challenges
Ertugrul Basar, George C. Alexandropoulos, Yuanwei Liu +5
Reconfigurable intelligent surfaces (RISs) are rapidly gaining prominence in the realm of fifth generation (5G)-Advanced, and predominantly, sixth generation (6G) mobile networks,…
TTD Configurations for Near-Field Beamforming: Parallel, Serial, or Hybrid?
Zhaolin Wang, Xidong Mu, Yuanwei Liu +1
True-time delayers (TTDs) are popular components for hybrid beamforming architectures to combat the spatial-wideband effect in wideband near-field communications. In this paper, a…