Zobrazeno 1 - 10
of 842
pro vyhledávání: '"Rahim Tafazolli"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 7, Pp 494-504 (2024)
Abstract The authors present spatio‐temporally resolved wideband measurements of Sub‐Terahertz (Sub‐THz) reflection coefficients in the frequency range of 92–110 GHz. A stochastic model for single reflection fixed links that is capable of mod
Externí odkaz:
https://doaj.org/article/7f8612e40d6b4160b9573106b9c2fae0
Autor:
Amirmasood Bagheri, Shadi Danesh, Fan Wang, Seyed Ehsan Hosseininejad, Mohsen Khalily, Rahim Tafazolli
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract This article introduces two transmissive metasurfaces applied to normal windows, aiming to improve the 5G outdoor-to-indoor (O2I) coverage. These windows can be utilized in various settings, such as vehicles or buildings. The proposed unit c
Externí odkaz:
https://doaj.org/article/0d9d672d8e1e4b1fbba47a8236916f3b
Publikováno v:
Electronics Letters, Vol 60, Iss 13, Pp n/a-n/a (2024)
Abstract This letter presents experimental angularly resolved measurements and a model framework for characterizing continuous wideband reflection coefficients at sub‐terahertz frequencies between 92 and 110 GHz. Surfaces that appear “smooth” b
Externí odkaz:
https://doaj.org/article/c8f31d619bf340de8b3a388680aa6f4d
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 3410-3450 (2024)
Software-Defined Network (SDN) controller needs comprehensive visibility of the whole network to provide effective routing and forwarding decisions in the data layer. However, the topology discovery service in the SDN controller is vulnerable to the
Externí odkaz:
https://doaj.org/article/b473ef41f79549a59b49d9f93876a6c6
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 700-711 (2024)
Current technological advancements in Software Defined Networks (SDN) can provide efficient solutions for smart grids (SGs). An SDN-based SG promises to enhance the efficiency, reliability and sustainability of the communication network. However, new
Externí odkaz:
https://doaj.org/article/7d9f8c8376ca4ef7aaefa032158a967d
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract A novel high-isolation, monostatic, circularly polarized (CP) simultaneous transmit and receive (STAR) anisotropic dielectric resonator antenna (DRA) is presented. The Proposed antenna is composed of two identical but orthogonally positioned
Externí odkaz:
https://doaj.org/article/cdeb384dbb8743de9865d20900d7c540
Publikováno v:
IEEE Access, Vol 11, Pp 38218-38225 (2023)
A novel high-isolation dual-polarized in-band full-duplex (IBFD) dielectric resonator antenna (DRA) for satellite communications using a decoupling structure is proposed. Good isolation between transmit and receive ports is achieved by placing two id
Externí odkaz:
https://doaj.org/article/504ff289fa134f1fb22eeffd5aad0ec8
Autor:
Amirmasood Bagheri, Mahmood Safaei, Ali Araghi, S. M. Mahdi Shahabi, Fan Wang, Mohsen Khalily, Rahim Tafazolli
Publikováno v:
IEEE Access, Vol 11, Pp 19613-19621 (2023)
In this paper, a mathematical model is proposed to govern the phase distribution on a reconfigurable intelligent surface (RIS) for anomalously reflecting the beam towards the directions of interest. To this end, two operational modes are defined with
Externí odkaz:
https://doaj.org/article/acb80c9b9bba4b42ad9919f7e2f54f86
Publikováno v:
IEEE Access, Vol 11, Pp 12394-12401 (2023)
The abundant spectrum resources and low beam divergence of the terahertz (THz) band, can be combined with the orthogonal propagation property of orbital angular momentum (OAM) beams to multi-fold the capacity of wireless communication systems. Here,
Externí odkaz:
https://doaj.org/article/600df21cb3a24e3eb156749ae52bbe33
Publikováno v:
Telecom, Vol 3, Iss 4, Pp 610-618 (2022)
Smart meters (SM) with wireless capabilities are one of the most meaningful applications of the Internet of Things. Standards like Zigbee have found a niche in transmitting data on energy usage to the user and the supplier wirelessly via these meters
Externí odkaz:
https://doaj.org/article/ab397e6045b743a1befbcbbb72a94a91