Zobrazeno 1 - 10
of 3 294
pro vyhledávání: '"Sum rate"'
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:
Vineela P, RaviKumar CV
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103275- (2024)
The most significant technology that could assist future high-speed wireless systems in meeting their growing capacity demands is Non-Orthogonal Multiple Access (NOMA). Nevertheless, NOMA should strive to achieve a harmonious equilibrium between equi
Externí odkaz:
https://doaj.org/article/7ad3305621ec47069ffc918f016fdd37
Autor:
Jinjuan Ju, Qiang Sun
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-17 (2024)
Abstract Conventionally, non-orthogonal multiple access (NOMA) has traditionally been implemented separately from orthogonal multiple access (OMA), aiming to improve the capacity of multi-user systems. However, a recent study has ventured beyond this
Externí odkaz:
https://doaj.org/article/7a16d253f89b493b93f3ddfe17d88d6c
Autor:
Phung Truong
Publikováno v:
Ho Chi Minh City Open University Journal of Science - Engineering and Technology, Vol 14, Iss 1, Pp 13-20 (2024)
This study explores the problem of maximizing the sum rate in uplink multi-user Multiple-Input Multiple-Output (MIMO) using Rate-Splitting Multiple Access (RSMA) systems. The investigation revolves around the scenario where the Users (UEs) are single
Externí odkaz:
https://doaj.org/article/df60e456eec545c08669084713d3a99f
Publikováno v:
Alexandria Engineering Journal, Vol 91, Iss , Pp 1-11 (2024)
The fifth generation (5G) network enabled communication between devices has emerged as a state-of-the-art technology. In the era of proliferating smart devices and intelligent wireless communication networks, Reflecting Intelligent Surfaces (RIS) and
Externí odkaz:
https://doaj.org/article/dc5434967f6543bf8b74821ec450a1d6
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 1, Pp 94-100 (2024)
The research for the Intelligent Reflecting Surface (IRS) which has the advantages of cost and energy efficiency has been studied. Channel capacity can be effectively increased by appropriately setting the phase value of IRS elements according to the
Externí odkaz:
https://doaj.org/article/6b170a3a83a54c1bb2bd0afa17a74391
Autor:
Zarghuna Suhail Khan, Jawad Mirza, Waeal J. Obidallah, Mohammed Alkhathami, Deafallah Alsadie, Rawan Alsuwailem
Publikováno v:
IEEE Access, Vol 12, Pp 167224-167235 (2024)
In this paper, we investigate the assignment of intelligent reflecting surfaces (IRSs) to user-base station (BS) pairs in a multi-IRS-assisted wireless communication network. Our objective is to optimize the allocation of one or more IRSs to each use
Externí odkaz:
https://doaj.org/article/300108ec9d13483b8f5acc938fdd9396
Publikováno v:
IEEE Access, Vol 12, Pp 162422-162430 (2024)
This paper is the first to investigate an Active RIS (ARIS)-assisted FD-NOMA system and to formulate a sum rate maximization problem. To address this problem, we propose an alternating optimization algorithm that combines semi-definite relaxation (SD
Externí odkaz:
https://doaj.org/article/b1135d01bba046df849668da0e3ddca3
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 6780-6801 (2024)
This paper addresses the problem of topological interference management (TIM) in ad hoc networks operating under a frequency-flat Rayleigh fading channel in single-input single-output (SISO). Assuming that the nodes have access to the statistical cha
Externí odkaz:
https://doaj.org/article/bd78e64a04034388ba9af3070683cac7
Autor:
Kali Krishna Kota, Praful D. Mankar
Publikováno v:
IEEE Access, Vol 12, Pp 46149-46164 (2024)
This paper aims to explore reconfigurable intelligent surface (RIS) integration in a millimeter wave (mmWave) communication system with low-complexity transceiver architecture under imperfect channel state information (CSI) assumption. Motivated by t
Externí odkaz:
https://doaj.org/article/dd4f174c8f6d4cf486ac1720ee4f3fe9