Zobrazeno 1 - 10
of 244
pro vyhledávání: '"Ehab Mahmoud Mohamed"'
Autor:
Ehab Mahmoud Mohamed
Publikováno v:
ICT Express, Vol 10, Iss 2, Pp 277-284 (2024)
In this paper, we will consider the problem of multi-unmanned aerial vehicles (UAVs) deployment among users’ hotspots. UAVs carry reconfigurable intelligent surface (RIS) boards to strengthen millimeter wave (mmWave) coverage at these hotspots. UAV
Externí odkaz:
https://doaj.org/article/34acd00a43be4a68b76da3aa3d9bda91
Autor:
Ehab Mahmoud Mohamed, Mostafa M. Fouda
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 5718-5734 (2024)
The continuous wireless coverage of high-speed trains (HSTs) constitutes a big challenge due to their incredible speed reaching hundreds of kilometers per hour (km/hr). This necessitates the deployment of massive number of ground base stations (BS),
Externí odkaz:
https://doaj.org/article/d74640631abd46de85b9c6b95e61a756
Publikováno v:
IEEE Access, Vol 12, Pp 97893-97923 (2024)
Over the past ten years, global electricity networks have undergone rapid advancements, primarily driven by the widespread adoption of renewable energy resources (RES). While these sources have accompanied in a gathering of advantages, such as cost-e
Externí odkaz:
https://doaj.org/article/54ba42de9fe941628b7db9fecf523990
Publikováno v:
IEEE Access, Vol 12, Pp 67405-67415 (2024)
In this paper, we undertake an examination of the complicated challenges associated with bandwidth allocation and power control in multi- unmanned aerial vehicles (UAVs) network. The focal point of our investigation is the formulation and subsequent
Externí odkaz:
https://doaj.org/article/1f2b45acb12e466b857bbe076e7d38c2
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 1624-1638 (2024)
In this paper, the problem of joint unmanned aerial vehicle (UAV) trajectory planning and low-orbit satellites (LEO-Sats) selection in space-air-ground integrated networks (SAGIN) will be investigated. This problem is of utmost importance when SAGIN
Externí odkaz:
https://doaj.org/article/d70bceb407094b278cff9ccac7f22537
Publikováno v:
IEEE Access, Vol 12, Pp 28831-28852 (2024)
Demand side management (DSM) involves technologies and strategies that allow customers to actively participate in the optimization of their energy usage patterns, ultimately contributing to a more sustainable and efficient energy system. In this pape
Externí odkaz:
https://doaj.org/article/de55d419eecf436293926b60c6bccaa8
Autor:
Basem M. ElHalawany, Ahmed Samir, Mohamed Elsayed, Wali Ullah Khan, Kaishun Wu, Ehab Mahmoud Mohamed
Publikováno v:
ICT Express, Vol 9, Iss 4, Pp 601-607 (2023)
Non-orthogonal multiple access (NOMA) has emerged as a promising technology for 5G networks and beyond. In order to fully reap the benefits of NOMA, it is essential to characterize its performance under different channel fading. In this paper, we car
Externí odkaz:
https://doaj.org/article/5d21182b55404d21bbec255dfda0b39b
Publikováno v:
IEEE Access, Vol 11, Pp 15816-15830 (2023)
In this paper, multiple reconfigurable intelligent surface (RIS) boards are deployed to enhance millimeter wave (mmWave) communication in a harsh blockage environment, where mmWave line-of-sight (LoS) link is completely blocked. Herein, RIS-user asso
Externí odkaz:
https://doaj.org/article/abf961131c634e739bc839dd86d94058
Publikováno v:
IET Communications, Vol 16, Iss 20, Pp 2479-2491 (2022)
Abstract Due to the importance of both rate‐less digital fountain codes and Multi‐Input Multi‐Output (MIMO) schemes in Fifth and Sixth Generation (5G/6G) wireless networks, this paper investigates enhancing the performance of MIMO‐Orthogonal
Externí odkaz:
https://doaj.org/article/5b07be84364b4a26b602e4439853e3f8
Autor:
Ehab Mahmoud Mohamed, Sherief Hashima, Nasreen Anjum, Kohei Hatano, Walid El Shafai, Basem M. Elhalawany
Publikováno v:
IET Communications, Vol 16, Iss 18, Pp 2200-2207 (2022)
Abstract Millimetre wave (mmWave) communications, that is, 30 to 300 GHz, have intermittent short‐range transmissions, so the use of reconfigurable intelligent surface (RIS) seems to be a promising solution to extend its coverage. However, optimizi
Externí odkaz:
https://doaj.org/article/fa2ea286d97445df82e6fafa91665e91