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Smart city article details
| Title | Evaluating The Efficiency Of Non-Orthogonal Mu-Mimo Methods In Smart Cities Technologies & 5G Communication |
|---|---|
| ID_Doc | 24642 |
| Authors | Dutta P.; Ramyasree J.; Sridhar V.; Minchula V.K.; Mohanta H.C.; Mahfoudh S.; Shah S.B.H.; Singh S.P. |
| Year | 2023 |
| Published | Sustainability (Switzerland), 15, 1 |
| DOI | http://dx.doi.org/10.3390/su15010236 |
| Abstract | Many cutting-edge technologies, such as MIMO, cognitive radio, multi-carrier modulation, and network coding, have been proposed for wireless communication to satisfy needs for a higher data rate in the upcoming time, leading to improved quality of service (QoS) regardless of the weather. Orthogonal and non-orthogonal multiple access techniques are two categories into which multiple access technologies can be subdivided. Large networking with effective implementation of wireless devices is supported by non-orthogonal multiple access techniques. Massive NOMA has been implemented to advance access efficiency by permitting several users to share a similar spectrum. Because of the robust co-channel interference between mobile users presented by NOMA, it offers important tasks for system model and resources management. In this study, two additional sets of demanding codes are explored. Multi-user shared access methods and expanded multi-user shared access (EMUSA) methods are both employed. In the MUSA technique, an algorithm is used for the allocation of resources to achieve minimum intercorrelation to the maximum extent in 5G networks. A novel idea proposed in this paper is to create complex codes starting from PN codes (i.e., ePN), thereby achieving promising results in the overall system performance. The first part of this paper describes the fundamental principles of MUSA, and in the next part the main idea of the proposed technique will be studied in detail. Using Monte-Carlo MATLAB simulation, the performance of the suggested approach is assessed in terms of BER vs. SNR. The efficiency of the proposed approach is evaluated in various settings, and the outcomes are contrasted with those of the traditional CDMA technique, using parameters, such as the number of active users and antennas at the receiver. © 2022 by the authors. |
| Author Keywords | 5G networks; CDMA; MUSA; next generation wireless systems; OFDM and complex spreading codes; ubiquitous |
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