Zobrazeno 1 - 10
of 22 697
pro vyhledávání: '"Precoding"'
Publikováno v:
Telecom, Vol 5, Iss 3, Pp 823-845 (2024)
Non-orthogonal multiple access (NOMA) has emerged as a key enabling technology in the realm of millimeter-wave (mmWave) massive MIMO (mMIMO) systems for enhancing spectral efficiency (SE). Furthermore, it is believed that simultaneous wireless inform
Externí odkaz:
https://doaj.org/article/8c6aaa2737894eca970e7a046272f6d4
Publikováno v:
Guangtongxin yanjiu, Pp 23001701-23001707 (2024)
【Objective】The symbol decomposition technique aims to decompose Optical Orthogonal Frequency Division Multiplexing (O-OFDM) symbols into multiple symbols with a small Peak to Average Power Ratio (PAPR) to mitigate the non-linear effects of Light
Externí odkaz:
https://doaj.org/article/bb86b137e34c4b7384a4990111bd367e
Publikováno v:
IET Communications, Vol 18, Iss 10, Pp 619-627 (2024)
Abstract This paper discusses the operation of a massive multiple‐input multiple‐output (MIMO) system from a different perspective. The system is performed in the presence of an eavesdropper who is trying to disrupt the message being transmitted
Externí odkaz:
https://doaj.org/article/d0a0365f0145420d9eab66e9d879232e
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 9, Iss , Pp 100738- (2024)
Hybrid beamforming has gained popularity in recent years due to its ability to enhance the performance of massive multiple-input multiple-output (massive MIMO) systems and improve the efficiency of wireless communication. However, designing a hybrid
Externí odkaz:
https://doaj.org/article/a4d53702841e42d59a550f4d58cda967
Publikováno v:
IEEE Access, Vol 12, Pp 4399-4412 (2024)
Reconfigurable intelligent surface (RIS) is a vital enabler of paradigm-shifting transmission technologies for next-generation wireless. In this paper, we propose a RIS-assisted transmitter precoding spatial modulation (RIS-PSM), such that the transm
Externí odkaz:
https://doaj.org/article/955d4eb750af4d4cb33b61a6b6dc2eff
Publikováno v:
AIMS Electronics and Electrical Engineering, Vol 8, Iss 2, Pp 187-210 (2024)
Due to an increase in the number of users and a high demand for high data rates, researchers have resorted to boosting the capacity and spectral efficiency of the next-generation wireless communication. With a limited RF chain, hybrid analog digital
Externí odkaz:
https://doaj.org/article/ab0e79e61af9451089edc11fd1e9a859
Publikováno v:
Radioengineering, Vol 33, Iss 1, Pp 34-44 (2024)
In time-division duplex (TDD) distributed large-scale multiple input multiple output (DM-MIMO) systems, the traditional downlink channel precoding method is used to resist inter-user interference (IUI). However, when the Channel State Information (CS
Externí odkaz:
https://doaj.org/article/4a1e1780e88742948eb62ec6e856fe14
Akademický článek
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Publikováno v:
International Journal of Information and Communication Technology Research, Vol 16, Iss 1, Pp 1-10 (2024)
Due to the high-power consumption and complexity of fully digital baseband precoding, its implementation in massive millimeter-wave multiple-input multiple-output (MIMO) systems is not cost-efficient and practical; for this reason, hybrid precoding h
Externí odkaz:
https://doaj.org/article/11e04be175874ee39bd025eb3b9eae39
Autor:
Doyle Kwon, Duk Kyung Kim
Publikováno v:
ICT Express, Vol 10, Iss 1, Pp 58-64 (2024)
Intelligent reflecting surfaces (IRS) have been proposed as a promising solution for enhancing wireless communication by manipulating the wireless propagation environment. To facilitate IRS-assisted communication, the base station (BS) requires accur
Externí odkaz:
https://doaj.org/article/912cf9b582554ed691f15d93ecad54aa