Zobrazeno 1 - 10
of 3 728
pro vyhledávání: '"Non-orthogonal multiple access (NOMA)"'
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 4, Pp 1001-1013 (2024)
In order to improve the Physical Layer Security (PLS) perspective, this paper aims to empower function of PLS by considering a backhaul Non-Orthogonal Multiple Access (NOMA) system in two practical situations. In the proposed schemes, the untrusted u
Externí odkaz:
https://doaj.org/article/c3f384658e2648a38cbe24b876ce200e
Autor:
Xiao Zheng, Muhammad Tahir, Khursheed Aurangzeb, Muhammad Shahid Anwar, Muhammad Aamir, Ahmad Farzan, Rizwan Ullah
Publikováno v:
Journal of Cloud Computing: Advances, Systems and Applications, Vol 13, Iss 1, Pp 1-14 (2024)
Abstract Mobile edge computing (MEC) reduces the latency for end users to access applications deployed at the edge by offloading tasks to the edge. With the popularity of e-commerce and the expansion of business scale, server load continues to increa
Externí odkaz:
https://doaj.org/article/81cc4ccbd5c34ee8bdb5cdefd30f3355
Publikováno v:
Computer and Knowledge Engineering, Vol 7, Iss 1, Pp 9-16 (2024)
Wireless communication systems demand efficient solutions, and non-orthogonal multiple access (NOMA) has emerged as a promising approach. The present investigation compares NOMA against orthogonal multiple access (OMA) methods, specifically focusing
Externí odkaz:
https://doaj.org/article/6373f74b5c1045dbb1852cfad3bd33c5
Autor:
Khulud K. Alharbi, Sajid H. Alvi, Bakhtiar Ali, Jawad Mirza, Muhammad Awais Javed, Hatem A. Alharbi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Robust wireless communication using relaying system and Non-Orthogonal Multiple Access (NOMA) will be extensively used for future IoT applications. In this paper, we consider a fall detection IoT application in which elderly patients are equ
Externí odkaz:
https://doaj.org/article/0a3a1c93c8e741c79fd879f1fac73aaf
Publikováno v:
Alexandria Engineering Journal, Vol 90, Iss , Pp 183-196 (2024)
For future wireless communications, Cell-free Massive Multiple-Input Multiple-Output (CF-mMIMO) systems and Non-orthogonal Multiple Access (NOMA) schemes are considered potential candidates to meet the greater coverage and capacity demands. Neverthel
Externí odkaz:
https://doaj.org/article/16512488ce3244d08ddc771ab19d9182
Publikováno v:
مهندسی مخابرات جنوب, Vol 12, Iss 45, Pp 1-18 (2024)
We consider a full-duplex (FD) cellular network, where uplink (UL) and downlink (DL) transmissions are performed at the same time over the same frequency band by using the non-orthogonal multiple-access (NOMA) technique. By leveraging the zero-forcin
Externí odkaz:
https://doaj.org/article/bb10aa314d064c92b8ea0ad1355e7dfc
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 5276-5288 (2024)
This article addresses the joint power allocation and channel assignment (JPACA) problem in uplink non-orthogonal multiple access (NOMA) networks, an essential consideration for enhancing the performance of wireless communication systems. We introduc
Externí odkaz:
https://doaj.org/article/750b57976abb4cb5a0b3a07b7908ce49
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4354-4370 (2024)
non-orthogonal multiple access (NOMA) is a promising candidate to improve the spectral efficiency by multiplexing users in the power-domain. Most of the work in the literature considers the analysis of the single-rate (SR)-NOMA, which can only vary t
Externí odkaz:
https://doaj.org/article/6ba1ed6b46a9440fb429ec86eace163d
Autor:
Hassan Nooh, Seunghwan Won, Soon Xin Ng, Muhammad Farhan Sohail, Minkwan Kim, Mohammed El-Hajjar
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4125-4137 (2024)
In this paper, we investigate the impact of user pairing on the power consumption of 2-user non-orthogonal multiple access (NOMA) systems in the downlink. We formulate the joint power allocation and user pairing problem as a mixed-integer programming
Externí odkaz:
https://doaj.org/article/ba6d81217caa4127afefad136e53f44b
Publikováno v:
IEEE Access, Vol 12, Pp 86271-86292 (2024)
The quality of service (QoS) in public transportation is not at an acceptable level in high-mobility scenarios as penetration loss severely degrades signal quality and reduces the achievable data rate. Also, high mobility requirement is included in 5
Externí odkaz:
https://doaj.org/article/9a19e51774294f96995c63ffafa51458