Zobrazeno 1 - 10
of 218
pro vyhledávání: '"Peppas Kostas"'
Publikováno v:
IEEE Communications Letters, 2021, Volume 25 Issue 7, Pages 2191-2195
In this paper, we study the performance of wireless communications empowered by Reconfigurable Intelligent Surface (RISs) over Nakagami-m fading channels. We consider two phase configuration designs for the RIS, one random and another one based on co
Externí odkaz:
http://arxiv.org/abs/2309.11893
Autor:
Selimis, Dimitrios G., De Guzman, Mar Francis, Lazarakis, Fotis I., Manganaris, Kyriakos N., Peppas, Kostas P., Haneda, Katsuyuki
In this paper, we present new measurement results to model large-scale path loss, angular spread and channel sparsity at the sub-THz (141-145 GHz) band, for both indoor and outdoor scenarios. Extensive measurement campaigns have been carried out, tak
Externí odkaz:
http://arxiv.org/abs/2209.11324
Autor:
Selimis, Dimitrios G., De Guzman, Mar Francis, Manganaris, Kyriakos N., Lazarakis, Fotis I., Haneda, Katsuyuki, Peppas, Kostas P.
Publikováno v:
In Physical Communication October 2024 66
Autor:
Maraveas, Chrysanthos, Konar, Debanjan, Michopoulos, Dimosthenis K., Arvanitis, Konstantinos G., Peppas, Kostas P.
Publikováno v:
In Computers and Electronics in Agriculture March 2024 218
Publikováno v:
In Physical Communication December 2023 61
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2005, Iss 11, p 170786 (2005)
A reconfigurable space-time coding technique is investigated, for a high-speed downlink packet access multiple-antenna network, which combats the effects of antenna correlation. Reconfigurability is achieved at the link level by introducing a linear
Externí odkaz:
https://doaj.org/article/15cac443a9b247718b0da629122786af
The Fisher-Snedecor $\mathcal{F}$ distribution has been recently proposed as a more accurate and mathematically tractable composite fading model than traditional established models in some practical cases. In this paper, we firstly derive exact close
Externí odkaz:
http://arxiv.org/abs/1911.11418
Ensuring the physical layer security (PHY-security) of millimeter wave (mmWave) communications is one of the key factors for the success of 5G. Recent field measurements show that conventional fading models cannot accurately model the random fluctuat
Externí odkaz:
http://arxiv.org/abs/1805.12360
The fluctuating two-ray (FTR) fading model provides a much better fit than other fading models for small-scale fading measurements in millimeter wave communications. In this paper, using a mixture of gamma distributions, new exact analytical expressi
Externí odkaz:
http://arxiv.org/abs/1710.09234
The secrecy outage performance of wireless communication systems operating over spatially correlated composite fading channels is analyzed in this paper. We adopt a multiplicative composite channel model for both the legitimate communication link and
Externí odkaz:
http://arxiv.org/abs/1710.01192