Zobrazeno 1 - 10
of 253
pro vyhledávání: '"Papadias, Constantinos B."'
This paper proposes a framework for designing robust precoders for a multi-input single-output (MISO) system that performs integrated sensing and communication (ISAC) across multiple cells and users. We use Cramer-Rao-Bound (CRB) to measure the sensi
Externí odkaz:
http://arxiv.org/abs/2402.18387
Autor:
de Sena, Arthur S., Nardelli, Pedro H. J., da Costa, Daniel B., Popovski, Petar, Papadias, Constantinos B., Debbah, Merouane
Aiming at overcoming practical issues of successive interference cancellation (SIC), this paper proposes a dual-polarized rate-splitting multiple access (RSMA) technique for a downlink massive multiple-input multiple-output (MIMO) network. By modelin
Externí odkaz:
http://arxiv.org/abs/2212.04850
Autor:
Donevski, Igor, Virgili, Marco, Babu, Nithin, Nielsen, Jimmy Jessen, Forsyth, Andrew J., Papadias, Constantinos B., Popovski, Petar
Unmanned Aerial Vehicle (UAV) swarms are often required in off-grid scenarios, such as disaster-struck, war-torn or rural areas, where the UAVs have no access to the power grid and instead rely on renewable energy. Considering a main battery fed from
Externí odkaz:
http://arxiv.org/abs/2211.12224
Autor:
de Sena, Arthur Sousa, Nardelli, Pedro H. J., da Costa, Daniel Benevides, Popovski, Petar, Papadias, Constantinos B., Debbah, Merouane
The polarization domain provides an extra degree of freedom (DoF) for improving the performance of multiple-input multiple-output (MIMO) systems. This paper takes advantage of this additional DoF to alleviate practical issues of successive interferen
Externí odkaz:
http://arxiv.org/abs/2211.00851
Autor:
Babu, Nithin, Virgili, Marco, Al-jarrah, Mohammad, Jing, Xiaoye, Alsusa, Emad, Popovski, Petar, Forsyth, Andrew, Masouros, Christos, Papadias, Constantinos B.
In this work, we propose a framework for energy-efficient trajectory design of an unmanned aerial vehicle (UAV)-based portable access point (PAP) deployed to serve a set of ground nodes (GNs). In addition to the PAP and GNs, the system consists of a
Externí odkaz:
http://arxiv.org/abs/2209.00297
In this work, we study the trade-off between the reliability and the investment cost of an unmanned aerial system (UAS) consisting of a set of unmanned aerial vehicles (UAVs) carrying radio access nodes, called portable access points (PAPs)), deploye
Externí odkaz:
http://arxiv.org/abs/2208.14503
Autor:
Babu, Nithin, Donevski, Igor, Valcarce, Alvaro, Popovski, Petar, Nielsen, Jimmy Jessen, Papadias, Constantinos B.
In this work, we optimize the 3D trajectory of an unmanned aerial vehicle (UAV)-based portable access point (PAP) that provides wireless services to a set of ground nodes (GNs). Moreover, as per the Peukert effect, we consider pragmatic non-linear ba
Externí odkaz:
http://arxiv.org/abs/2208.05265
Autor:
AlaaEldin, Mahmoud, Alsusa, Emad, Seddik, Karim G., Papadias, Constantinos B., Al-Jarrah, Mohammad
This work investigates the performance of intelligent reflective surfaces (IRSs) assisted uplink non-orthogonal multiple access (NOMA) in energy-constrained networks. Specifically, we formulate and solve two optimization problems; the first aims at m
Externí odkaz:
http://arxiv.org/abs/2206.01312
Autor:
de Sena, Arthur S., Nardelli, Pedro H. J., da Costa, Daniel B., Popovski, Petar, Papadias, Constantinos B.
Rate-splitting multiple access (RSMA) has recently appeared as a powerful technique for improving the downlink performance of multiple-input multiple-output (MIMO) systems. By flexibly managing interference, RSMA can deliver high spectral and energy
Externí odkaz:
http://arxiv.org/abs/2205.12207