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Network Slicing for NOMA-Enabled Edge Computing
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DOI：10.1109/TCC.2021.3117754.png)
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摘要
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The 5G network presents a new horizon with tremendous opportunities for future generation wireless networks. Mobile edge computing (MEC), non-orthogonal multiple access (NOMA), and network slicing (NS) are some of the key enablers for 5G. MEC reduces the latency to a great extent for a wireless network, while NOMA gives access to more users with resource constraints. NS provides users with a better quality of service and network operators with more flexibility. In this work, we propose an NS technique enabled with NOMA for a MEC network. The proposed NS technique improves service latency for MEC users and reduces unnecessary allocation of radio resources in NOMA. The saved resources can be leveraged to accommodate more users, thus increasing the spectral efficiency of the network. We consider different types of services based on the task completion time of users in this work. The primary focus is to optimize the total energy consumption for wireless uplink transmission for the NOMA-enabled sliced MEC network. We also propose a heuristic algorithm as an alternative to reduce the time and computational complexities of the optimization algorithm and simulate the results extensively to show the effectiveness of our proposed algorithm.
Keyword:
NOMA
Task analysis
Uplink
Resource management
Energy consumption
Computational modeling
5G mobile communication
Mobile edge computing
network slicing
uplink energy consumption minimization
energy efficiency
spectral efficiency
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1.9K
被引数:
4.3K
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