Zobrazeno 1 - 10
of 688
pro vyhledávání: '"Alexandropoulos, P"'
MIMO MAC Empowered by Reconfigurable Intelligent Surfaces: Capacity Region and Large System Analysis
Smart wireless environments enabled by multiple distributed Reconfigurable Intelligent Surfaces (RISs) have recently attracted significant research interest as a wireless connectivity paradigm for sixth Generation (6G) networks. In this paper, using
Externí odkaz:
http://arxiv.org/abs/2410.07389
In-band Full-Duplex (FD) Multiple-Input Multiple-Output (MIMO) systems offer a significant opportunity for Integrated Sensing and Communications (ISAC) due to their capability to realize simultaneous signal transmissions and receptions. This feature
Externí odkaz:
http://arxiv.org/abs/2410.06512
Autor:
Mukhopadhyay, Srijika, Reddy, Badri Ramanjaneya, Dash, Soumya P., Alexandropoulos, George C., Aissa, Sonia
In this paper, we analyze the performance of one- and two-sided amplitude shift keying (ASK) modulations in single-input single-output wireless communication aided by a reconfigurable intelligent surface (RIS). Two scenarios are considered for the ch
Externí odkaz:
http://arxiv.org/abs/2410.01419
Autor:
Zhang, Ting, Yang, Bo, Yu, Zhiwen, Cao, Xuelin, Alexandropoulos, George C., Zhang, Yan, Yuen, Chau
Task offloading is of paramount importance to efficiently orchestrate vehicular wireless networks, necessitating the availability of information regarding the current network status and computational resources. However, due to the mobility of the veh
Externí odkaz:
http://arxiv.org/abs/2409.17681
Autor:
Delbari, Mohamadreza, Alexandropoulos, George C., Schober, Robert, Poor, H. Vincent, Jamali, Vahid
Near-field (NF) communications is receiving renewed attention in the context of passive reconfigurable intelligent surfaces (RISs) due to their potentially extremely large dimensions. Although line-of-sight (LOS) links are expected to be dominant in
Externí odkaz:
http://arxiv.org/abs/2409.17041
This paper studies the interference broadcast channel comprising multiple multi-antenna Base Stations (BSs), each controlling a beyond diagonal Reconfigurable Intelligent Surface (RIS) and serving multiple single-antenna users. Wideband transmissions
Externí odkaz:
http://arxiv.org/abs/2409.03841
In this paper, we consider the problem of jointly controlling the configuration of a Reconfigurable Intelligent Surface (RIS) with unit elements of discrete responses and a codebook-based transmit precoder in RIS-empowered Multiple-Input Single-Outpu
Externí odkaz:
http://arxiv.org/abs/2409.01765
Autor:
Yagan, M. Yaser, Kayraklik, Sefa, Kesir, Samed, Sumen, Gizem, Hokelek, Ibrahim, Basaran, Mehmet, Alexandropoulos, George C., Basar, Ertugrul, Cavdar, Cicek, Arslan, Huseyin, Gorcin, Ali
Extreme natural phenomena are occurring more frequently everyday in the world, challenging, among others, the infrastructure of communication networks. For instance, the devastating earthquakes in Turkiye in early 2023 showcased that, although commun
Externí odkaz:
http://arxiv.org/abs/2408.08609
Autor:
Ebadi, Zohreh, Molaei, Amir Masoud, Alexandropoulos, George C., Abbasi, Muhammad Ali Babar, Cotton, Simon, Tukmanov, Anvar, Yurduseven, Okan
Localizing near-field sources considering practical arrays is a recent challenging topic for next generation wireless communication systems. Practical antenna array apertures with closely spaced elements exhibit direction-dependent mutual coupling (M
Externí odkaz:
http://arxiv.org/abs/2408.07202
Autor:
Liu, Hao, An, Jiancheng, Alexandropoulos, George C., Ng, Derrick Wing Kwan, Yuen, Chau, Gan, Lu
Stacked intelligent metasurfaces (SIMs) represent a novel signal processing paradigm that enables over-the-air processing of electromagnetic waves at the speed of light. Their multi-layer architecture exhibits customizable computational capabilities
Externí odkaz:
http://arxiv.org/abs/2408.04837