Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Perović, Nemanja Stefan"'
Autor:
Perović, Nemanja Stefan
Dynamic metasurface antennas (DMAs) are an alternative application of metasurfaces as active reconfigurable antennas with advanced analog signal processing and beamforming capabilities, which have been proposed to replace conventional antenna arrays
Externí odkaz:
http://arxiv.org/abs/2409.10112
Stacked intelligent metasurface (SIM), which consists of multiple layers of intelligent metasurfaces, is emerging as a promising solution for future wireless communication systems. In this timely context, we focus on broadcast multiple-input multiple
Externí odkaz:
http://arxiv.org/abs/2409.00628
Autor:
Perović, Nemanja Stefan, Tran, Le-Nam
In the context of emerging stacked intelligent metasurface (SIM)-based holographic MIMO (HMIMO) systems, a fundamental problem is to study the mutual information (MI) between transmitted and received signals to establish their capacity. However, dire
Externí odkaz:
http://arxiv.org/abs/2403.18307
The electromagnetic (EM) features of reconfigurable intelligent surfaces (RISs) fundamentally determine their operating principles and performance. Motivated by these considerations, we study a single-input single-output (SISO) system in the presence
Externí odkaz:
http://arxiv.org/abs/2305.12735
In this paper, we consider intelligent omni-surfaces (IOSs), which are capable of simultaneously reflecting and refracting electromagnetic waves. We focus our attention on the multiple-input multiple-output (MIMO) broadcast channel, and we introduce
Externí odkaz:
http://arxiv.org/abs/2206.13127
Accurate channel estimation is essential to achieve the performance gains promised by the use of reconfigurable intelligent surfaces (RISs) in wireless communications. In the uplink of multi-user orthogonal frequency division multiple access (OFDMA)
Externí odkaz:
http://arxiv.org/abs/2201.08928
Reconfigurable intelligent surfaces (RISs) represent a promising candidate for sixth-generation (6G) wireless networks, as the RIS technology provides a new solution to control the propagation channel in order to improve the efficiency of a wireless
Externí odkaz:
http://arxiv.org/abs/2111.11813
Reconfigurable intelligent surfaces (RISs) represent a new technology that can shape the radio wave propagation and thus offers a great variety of possible performance and implementation gains. Motivated by this, we investigate the achievable sum-rat
Externí odkaz:
http://arxiv.org/abs/2110.01700
In this paper, we propose a novel transmission scheme, called sparse layered MIMO (SL-MIMO), that combines non-orthogonal transmission and singular value decomposition (SVD) precoding. Nonorthogonality in SL-MIMO allows re-using of the eigen-channels
Externí odkaz:
http://arxiv.org/abs/2105.10476
Reconfigurable intelligent surfaces (RISs) represent a new technology that can shape the radio wave propagation and thus offers a great variety of possible performance and implementation gains. Motivated by this, we investigate the achievable sum-rat
Externí odkaz:
http://arxiv.org/abs/2104.12108