Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/11451
Title: Design and implementation of spatial correlation-based clustering for multiuser MISO-NOMA systems
Authors: Göztepe, Caner
Özbek, Berna
Karabulut Kurt, Güneş
Keywords: Clustering algorithms
Real-time systems
Complexity theory
MISO communication
Non-orthogonal multiple access (NOMA)
Multiuser MIMO
Software-defined radio
Publisher: Institute of Electrical and Electronics Engineers Inc.
Abstract: In this letter, we propose a novel user clustering algorithm for downlink multiuser multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) systems along with its implementation in a real-time testing environment. The proposed method selects the clusters by considering users' spatial channel properties against the generated orthogonal directions. This is then followed by power allocation and zero-forcing precoding steps to mitigate the interference between the selected clusters. Performance comparisons are provided in terms of both real-time tests and simulations. It is demonstrated that a notable improvement in capacity and reliability can be obtained through the proposed approach in multiuser MISO-NOMA systems with reduced complexity.
URI: https://doi.org/10.1109/LCOMM.2020.3021466
https://hdl.handle.net/11147/11451
ISSN: 1089-7798
1558-2558
Appears in Collections:Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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