Zobrazeno 1 - 10
of 268
pro vyhledávání: '"Ansari Imran"'
In finance, Random Matrix Theory (RMT) is an important tool for filtering out noise from large datasets, revealing true correlations among stocks, enhancing risk management and portfolio optimization. In this study, we use RMT to filter out noise fro
Externí odkaz:
http://arxiv.org/abs/2410.07947
In the dynamic realm of 6G technology, emphasizing security is essential, particularly for optimizing high-performance communication. A notable strategy involves the use of reconfigurable intelligent surfaces (RISs), an emerging and cost-efficient te
Externí odkaz:
http://arxiv.org/abs/2408.06295
Autor:
Rakib, Md. Abdur, Ibrahim, Md., Badrudduza, A. S. M., Ansari, Imran Shafique, Zaman, Md. Shahid Uz, Yu, Heejung
With the advent of sixth-generation networks, reconfigurable intelligent surfaces (RISs) have revolutionized wireless communications through dynamic electromagnetic wave manipulation, thereby facilitating the adaptability and unparalleled control of
Externí odkaz:
http://arxiv.org/abs/2408.06288
In the sixth-generation (6G) Internet of Things (IoT) networks, the use of UAV-mounted base stations and reconfigurable intelligent surfaces (RIS) has been considered to enhance coverage, flexibility, and security in non-terrestrial networks (NTNs).
Externí odkaz:
http://arxiv.org/abs/2407.18766
The hyperbolic network models exhibit very fundamental and essential features, like small-worldness, scale-freeness, high-clustering coefficient, and community structure. In this paper, we comprehensively explore the presence of an important feature,
Externí odkaz:
http://arxiv.org/abs/2406.19953
This paper highlights the significance of mesoscale structures, particularly the core-periphery structure, in financial networks for portfolio optimization. We build portfolios of stocks belonging to the periphery part of the Planar maximally filtere
Externí odkaz:
http://arxiv.org/abs/2405.12993
Autor:
Lei, Hongjiang, Zhou, Sha, Chen, Xinhu, Ansari, Imran Shafique, Li, Yun, Pan, Gaofeng, Alouini, Mohamed-Slim
This work considers a multiple-input-single-output mmWave RSMA system wherein a base station serves two users in the presence of a passive eavesdropper. Different eavesdropping scenarios are considered corresponding to the overlapped resolvable paths
Externí odkaz:
http://arxiv.org/abs/2402.02344
Unmanned aerial vehicles (UAVs) can provide wireless access to terrestrial users, regardless of geographical constraints, and will be an important part of future communication systems. In this paper, a multi-user downlink dual-UAVs enabled covert com
Externí odkaz:
http://arxiv.org/abs/2310.13932
Autor:
Lei, Hongjiang, Jiang, Jiacheng, Yang, Haosi, Park, Ki-Hong, Ansari, Imran Shafique, Pan, Gaofeng, Alouini, Mohamed-Slim
Unmanned aerial vehicles (UAVs) can provide wireless access services to terrestrial users without geographical limitations and will become an essential part of the future communication system. However, the openness of wireless channels and the mobili
Externí odkaz:
http://arxiv.org/abs/2310.13931
Autor:
Rahman, Md. Mijanur, Badrudduza, A. S. M., Sarker, Noor Ahmad, Ibrahim, Md., Ansari, Imran Shafique
The appearance of sixth-generation networks has resulted in the proposal of several solutions to tackle signal loss. One of these solutions is the utilization of reconfigurable intelligent surfaces (RIS), which can reflect or refract signals as requi
Externí odkaz:
http://arxiv.org/abs/2304.04314