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Design and Implementation of Spatial Correlation-Based Clustering for Multiuser MISO-NOMA Systems.
- Source :
- IEEE Communications Letters; Jan2021, Vol. 25 Issue 1, p254-258, 5p
- Publication Year :
- 2021
-
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. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10897798
- Volume :
- 25
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- IEEE Communications Letters
- Publication Type :
- Academic Journal
- Accession number :
- 148107871
- Full Text :
- https://doi.org/10.1109/LCOMM.2020.3021466