Delay Minimization for Massive MIMO Based Cooperative Mobile Edge Computing System With Secure Offloading

Mobile edge computing (MEC) has been envisioned as a promising technology for enhancing the computational capacities of mobile devices by enabling task offloading. In this paper, we present a novel framework for a cooperative MEC system by employing Massive Multiple-Input Multiple-Output (MIMO) and...

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Veröffentlicht in:IEEE open journal of vehicular technology 2023, Vol.4, p.149-161
Hauptverfasser: Yilmaz, Saadet Simay, Ozbek, Berna, Mumtaz, Rao
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Ozbek, Berna
Mumtaz, Rao
description Mobile edge computing (MEC) has been envisioned as a promising technology for enhancing the computational capacities of mobile devices by enabling task offloading. In this paper, we present a novel framework for a cooperative MEC system by employing Massive Multiple-Input Multiple-Output (MIMO) and non-orthogonal multiple access (NOMA) technologies, including security aspects. Specifically, in the proposed cooperative MEC system, there is no strong direct transmission link between the cell-edge user and the MEC server; consequently, the user sends their tasks to the MEC server through the helpers at the cell-centers. In the proposed framework, we minimize the overall delay, including secure offloading under the constraints of computing capability and transmit power. The proposed algorithm minimizes the overall delay in downlink and uplink transmission while satisfying security constraints to solve the formulated problem. The simulation results show that Massive MIMO based NOMA improves the performance of the secure MEC system by employing more than one helper.
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subjects delay minimization
Delays
Massive MIMO
massive multiple input multiple output (MIMO)
Minimization
mobile edge computing (MEC)
NOMA
non-orthogonal multiple access (NOMA)
Secure offloading
Servers
Task analysis
Uplink
title Delay Minimization for Massive MIMO Based Cooperative Mobile Edge Computing System With Secure Offloading
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