Results 1 to 10 of about 40,318 (262)
Power Allocation and User Grouping for NOMA Downlink Systems
Applied Sciences, 2023 Non-orthogonal multiple access (NOMA) technology allows multiple users to use the same time-frequency resource to send signals, which can improve spectral efficiency and throughput.
Jun Li +4 more
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Overlapping User Grouping in IoT Oriented Massive MIMO Systems
IEEE Access, 2017 This paper considers network capacity and user coverage improvement in Internet of Things (IoT)-oriented massive MIMO systems. In the literature, user grouping approaches have been used in massive MIMO to improve the network capacity, where users are ...
Run Tian +3 more
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Joint user grouping and power control using whale optimization algorithm for NOMA uplink systems [PDF]
PeerJ Computer Science, 2022 The non-orthogonal multiple access (NOMA) scheme has proven to be a potential candidate to enhance spectral potency and massive connectivity for 5G wireless networks.
Bilal ur Rehman +7 more
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Uplink power control scheme for spectral efficiency maximization in NOMA systems
Alexandria Engineering Journal, 2023 Non-orthogonal multiple access (NOMA) has recently gained much research attention as a possible multiple access solution for fifth-generation (5G) wireless communication. The NOMA can further enhance spectral performance compared with orthogonal multiple
Bilal Ur Rehman +7 more
doaj +1 more source
Context-based user grouping for multi-casting in heterogeneous radio networks [PDF]
Advances in Radio Science, 2011 Along with the rise of sophisticated smartphones and smart spaces, the availability of both static and dynamic context information has steadily been increasing in recent years.
C. Mannweiler +3 more
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On the optimal user grouping in NOMA system technology [PDF]
EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 2019 This paper provides a state-of-art analysis of the most relevant studies on optimal user-aggregation strategiesfor non-orthogonal multiple access (NOMA) technology.
Antonino Masaracchia +2 more
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Resource Allocation for Joint Communication and Localization Systems With MU-MIMO
IEEE Access, 2022 Joint communication and localization is an attractive technique to simultaneously provide data transmission and localization services, and efficient resource allocation could bring a high data rate and high localization accuracy in limited resources ...
Yachuan Bao +4 more
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Journal of Telecommunications and Information Technology, 2020 Massive multiple-input multiple-output (MIMO) is considered to be an emerging technique in wireless communication systems, as it offers the ability to boost channel capacity and spectral efficiency.
Ambala Pradeep Kumar +1 more
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Beam interference suppression in multi-cell millimeter wave communications
Digital Communications and Networks, 2019 Due to the increase in the number of users, beam switching is used for suppressing interference, which leads to higher computational complexity in multi-cell millimeter wave communications.
Zufan Zhang, Honghui Yu
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Joint User Grouping and Decoding Order in Uplink/Downlink MISO/SIMO-NOMA
IEEE Access, 2020 In this paper, we design and investigate a novel uplink/downlink (UL/DL) non-orthogonal multiple access (NOMA) network using a common relay. Instead of successive interference cancellation (SIC) for UL/DL NOMA systems with fixed decoding order based on ...
Dinh-Thuan Do +4 more
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