Zobrazeno 1 - 10
of 9 127
pro vyhledávání: '"Non-Orthogonal Multiple Access"'
Publikováno v:
ICT Express, Vol 10, Iss 6, Pp 1301-1307 (2024)
In the heterogeneous network (HetNet) employing downlink non-orthogonal multiple access (NOMA), we focus on the non-convex optimization problem to optimize the spectral efficiency (SE) while the users satisfy the quality-of-service (QoS) requirement.
Externí odkaz:
https://doaj.org/article/65da6be8fe8d4abea5f072f1566b0e6d
Autor:
Wided Hadj Alouane, Chan-Wang Park
Publikováno v:
Journal of Information and Telecommunication, Pp 1-18 (2024)
In this paper, we address the physical layer security (PLS) of multi-relay non-orthogonal multiple access (NOMA) schemes with partial relay selection (PRS) using decode-and-forward (DF) and amplify-and-forward (AF) protocols. We propose a partial rel
Externí odkaz:
https://doaj.org/article/a207d395663e4f818de8f3d8c38df380
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 5, Pp 1313-1321 (2024)
Millimeter-wave (mmWave) Non-Orthogonal Multiple Access (NOMA) with random beamforming is a promising technology to guarantee massive connectivity and low latency transmissions of future generations of mobile networks. In this paper, we introduce a c
Externí odkaz:
https://doaj.org/article/6de722e98a9f49a39a07176230db1914
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 5, Pp 1503-1528 (2024)
Non-Orthogonal Multiple Access (NOMA) has already proven to be an effective multiple access scheme for 5th Generation (5G) wireless networks. It provides improved performance in terms of system throughput, spectral efficiency, fairness, and energy ef
Externí odkaz:
https://doaj.org/article/751ab2506b9a4f28b5c63ba0070cba46
Autor:
Hongjiang Lei, Chen Zhu, Ki-Hong Park, Imran Shafique Ansari, Weijia Lei, Hong Tang, Kyeong Jin Kim
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 5, Pp 1529-1541 (2024)
In this paper, we analyze the outage performance of Unmanned Aerial Vehicles (UAVs)-enabled downlink Non-Orthogonal Multiple Access (NOMA) communication systems with the Semi-Grant-Free (SGF) transmission scheme. A UAV provides coverage services for
Externí odkaz:
https://doaj.org/article/7e8110ca24ba4070976ee62f9d9a968e
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-19 (2024)
Abstract With the development of wireless communication technology, the number of devices accessing the communication network is increasing. This paper addresses critical issues such as low spectrum resource utilization and the energy constraints of
Externí odkaz:
https://doaj.org/article/c08a15dbf25a4a339678ff6357b2e32a
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-30 (2024)
Abstract Non-orthogonal Multiple Access (NOMA) techniques offer potential enhancements in spectral efficiency for 5G and 6G wireless networks, facilitating broader network access. Central to realizing optimal system performance are factors like joint
Externí odkaz:
https://doaj.org/article/6cc1eda721e146a6919f2d9ff50e788a
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
On the performance of outage probability in cognitive NOMA random networks with hardware impairments
Publikováno v:
Journal of Information and Telecommunication, Vol 8, Iss 3, Pp 325-348 (2024)
The performance of the cognitive non-orthogonal multiple access (NOMA) systems with random locations is examined in the present paper. More precisely, the positions of the secondary receivers (SRs) are randomly distributed inside a disk with the cent
Externí odkaz:
https://doaj.org/article/a3033a8a90c447de8fe04837fc2a7743
Autor:
Kalapraveen Bagadi, Visalakshi Annepu, C. Dhanamjayulu, Naga Raju Challa, Faruq Mohammad, Baseem Khan
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract The integration of large intelligent surfaces (LIS) with non-orthogonal multiple access (NOMA) networks has emerged as a promising solution to enhance the capacity and coverage of wireless communication systems. In this study, we analyse the
Externí odkaz:
https://doaj.org/article/00dcae03e64940beb8dfe9ba3860f485