Zobrazeno 1 - 10
of 243
pro vyhledávání: '"Khan, Wali Ullah"'
Autor:
Khan, Wali Ullah, Lagunas, Eva, Mahmood, Asad, Asif, Muhammad, Ahmed, Manzoor, Chatzinotas, Symeon
The reconfigurable intelligent surface (RIS) technology shows great potential in sixth-generation (6G) terrestrial and non-terrestrial networks (NTNs) since it can effectively change wireless settings to improve connectivity. Extensive research has b
Externí odkaz:
http://arxiv.org/abs/2409.06073
Autor:
Khan, Wali Ullah, Ali, Zain, Mahmood, Asad, Lagunas, Eva, Shah, Syed Tariq, Chatzinotas, Symeon
This work proposes a T-RIS-equipped LEO satellite communication in cognitive radio-enabled integrated NTNs. In the proposed system, a GEO satellite operates as a primary network, and a T-RIS-equipped LEO satellite operates as a secondary IoT network.
Externí odkaz:
http://arxiv.org/abs/2408.15084
The terahertz communications have the potential to revolutionize data transfer with unmatched speed and facilitate the development of new high-bandwidth applications. This paper studies the performance of downlink terahertz system assisted by beyond
Externí odkaz:
http://arxiv.org/abs/2406.15880
Autor:
Khan, Wali Ullah, Mahmood, Asad, Jamshed, Muhammad Ali, Lagunas, Eva, Ahmed, Manzoor, Chatzinotas, Symeon
Reconfigurable intelligent surface (RIS) has emerged as a promising technology in both terrestrial and non-terrestrial networks (NTNs) due to its ability to manipulate wireless environments for better connectivity. Significant studies have been focus
Externí odkaz:
http://arxiv.org/abs/2406.10691
Autor:
Nauman, Ali, Maashi, Mashael, Alkahtani, Hend K., Al-Wesabi, Fahd N., Aljehane, Nojood O, Assiri, Mohammed, Ibrahim, Sara Saadeldeen, Khan, Wali Ullah
The increasing demand for massive connectivity and high data rates has made the efficient use of existing spectrum resources an increasingly challenging problem. Non-orthogonal multiple access (NOMA) is a potential solution for future heterogeneous n
Externí odkaz:
http://arxiv.org/abs/2401.12141
Recent advancements in 6G systems signal a leap towards universal connectivity and ultra-reliable, low-latency communications for real-time data devices. Yet, these advancements encounter obstacles such as limited device battery life and computationa
Externí odkaz:
http://arxiv.org/abs/2311.07199
Autor:
Nauman, Ali, Alshahrani, Haya Mesfer, Nemri, Nadhem, Othman, Kamal M., Aljehane, Nojood O, Maashi, Mashael, Dutta, Ashit Kumar, Assiri, Mohammed, Khan, Wali Ullah
This study introduces a resource allocation framework for integrated satellite-terrestrial networks to address these challenges. The framework leverages local cache pool deployments and non-orthogonal multiple access (NOMA) to reduce time delays and
Externí odkaz:
http://arxiv.org/abs/2310.11814
Autor:
Khan, Wali Ullah, Lagunas, Eva, Ali, Zain, Mahmood, Asad, Sheemar, Chandan Kumar, Ahmed, Manzoor, Chatzinotas, Symeon, Ottersten, Björn
Backscatter communication (BC) technology offers sustainable solutions for next-generation Internet-of-Things (IoT) networks, where devices can transmit data by reflecting and adjusting incident radio frequency signals. In parallel to BC, deep reinfo
Externí odkaz:
http://arxiv.org/abs/2309.12507
Autor:
Rahman, Atta Ur, Saqia, Bibi, Khan, Wali Ullah, Rabie, Khaled, Alam, Mahmood, Khan, Khairullah
This study suggests a new strategy for improving congestion control by deploying Long Short-Term Memory (LSTM) networks. LSTMs are recurrent neural networks (RNN), that excel at capturing temporal relationships and patterns in data. IoT-specific data
Externí odkaz:
http://arxiv.org/abs/2309.10347
Autor:
Khan, Wali Ullah, Mahmood, Asad, Sheemar, Chandan Kumar, Lagunas, Eva, Chatzinotas, Symeon, Ottersten, Björn
This paper studies the potential of RIS-integrated NTNs to revolutionize the next-generation connectivity. First, it discusses the fundamentals of RIS technology. Secondly, it delves into reporting the recent advances in RIS-enabled NTNs. Subsequentl
Externí odkaz:
http://arxiv.org/abs/2309.02859