Zobrazeno 1 - 10
of 271
pro vyhledávání: '"DAVIDE DARDARI"'
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 4, Pp 1452-1469 (2023)
This study delves into the potential of harnessing the orbital angular momentum (OAM) property of electromagnetic waves in near-field and line-of-sight scenarios by utilizing large intelligent surfaces, in the context of holographic multiple-input mu
Externí odkaz:
https://doaj.org/article/8b60638785f849c385458db49c3fabf8
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 4, Pp 1396-1416 (2023)
Communications in the mmWave and THz bands will be a key technological pillar for next-generation wireless networks. However, the increase in frequency results in an increase in path loss, which must be compensated for by using large antenna arrays.
Externí odkaz:
https://doaj.org/article/7d3501c17abe425abacdc7ebeb4ca568
Publikováno v:
IET Signal Processing, Vol 17, Iss 3, Pp n/a-n/a (2023)
Abstract We consider a multiple‐input multiple‐output (MIMO) channel in the presence of a reconfigurable intelligent surface (RIS). Specifically, our focus is on analysing the spatial multiplexing gains in line‐of‐sight and low‐scattering M
Externí odkaz:
https://doaj.org/article/1b629cefa36e48ec9f15e81832de67d3
Publikováno v:
IEEE Access, Vol 9, Pp 39019-39027 (2021)
This paper proposes novel and generalized expressions to characterize the performance of modern cellular networks under realistic user mobility behavior. The η-μ distribution is employed to derive the received power probability density function, th
Externí odkaz:
https://doaj.org/article/2ed1b7cc86844652896fa04c6055510f
Autor:
Carlos De Lima, Didier Belot, Rafael Berkvens, Andre Bourdoux, Davide Dardari, Maxime Guillaud, Minna Isomursu, Elena-Simona Lohan, Yang Miao, Andre Noll Barreto, Muhammad Reza Kahar Aziz, Jani Saloranta, Tachporn Sanguanpuak, Hadi Sarieddeen, Gonzalo Seco-Granados, Jaakko Suutala, Tommy Svensson, Mikko Valkama, Barend Van Liempd, Henk Wymeersch
Publikováno v:
IEEE Access, Vol 9, Pp 26902-26925 (2021)
Herein, we focus on convergent 6G communication, localization and sensing systems by identifying key technology enablers, discussing their underlying challenges, implementation issues, and recommending potential solutions. Moreover, we discuss exciti
Externí odkaz:
https://doaj.org/article/9eef0fe4dce146f59097f6355648d49a
Autor:
Nicolo Decarli, Davide Dardari
Publikováno v:
IEEE Access, Vol 9, Pp 165648-165666 (2021)
This paper proposes a practical method for the definition of communication modes when antennas operate in the near-field region, by realizing ad-hoc beams exploiting the focusing capability of large antennas. The beamspace modeling proposed to define
Externí odkaz:
https://doaj.org/article/2507790660344b8ca6393739d50a1689
Publikováno v:
IEEE Access, Vol 8, Pp 116454-116469 (2020)
Nowadays there is a growing research interest on the possibility of enriching small flying robots with autonomous sensing and online navigation capabilities. This will enable a large number of applications spanning from remote surveillance to logisti
Externí odkaz:
https://doaj.org/article/78046610285345caa4797d8083f96dc5
Publikováno v:
IEEE Access, Vol 7, Pp 167099-167112 (2019)
In this paper, we propose various localization error optimal beamforming strategies and subsequently study the trade-off between data and localization services while budgeting time and frequency resources in a multi-user millimeter-wave framework. Al
Externí odkaz:
https://doaj.org/article/720ecfbf72ba4d339c5586a32ea5fa06
Publikováno v:
Sensors, Vol 22, Iss 4, p 1656 (2022)
This paper studies the problem of detecting human beings in non-line-of-sight (NLOS) conditions using an ultra-wideband radar. We perform an extensive measurement campaign in realistic environments, considering different body orientations, the obstac
Externí odkaz:
https://doaj.org/article/80054abe85f743439ca9b2e499f48fd7
Publikováno v:
Sensors, Vol 20, Iss 9, p 2437 (2020)
This paper introduces a possible architecture and discusses the research directions for the realization of the Cognitive Perceptual Internet (CPI), which is enabled by the convergence of wired and wireless communications, traditional sensor networks,
Externí odkaz:
https://doaj.org/article/4710476da4474ecf9dd8150953c25f24