Joint Data Compression, Secure Multi-Part Collaborative Task Offloading and Resource Assignment in Ultra-Dense Networks

TL;DR

This paper proposes a joint optimization framework for resource management in ultra-dense networks with MEC, integrating multiple techniques and an adaptive genetic water wave optimization algorithm to reduce energy consumption while maintaining delay and security constraints.

Contribution

It introduces a novel joint optimization model for resource allocation in ultra-dense networks and develops an adaptive genetic water wave optimization algorithm to solve it efficiently.

Findings

The proposed AGWWO algorithm effectively reduces network energy consumption.

Simulation results confirm the algorithm's ability to meet delay and security constraints.

The approach enhances resource utilization and interference management in ultra-dense networks.

Abstract

To enhance resource utilization and address interference issues in ultra-dense networks with mobile edge computing (MEC), a resource utilization approach is first introduced, which integrates orthogonal frequency division multiple access (OFDMA) and non-orthogonal multiple access (NOMA). Then, to minimize the energy consumed by ultra-densely deployed small base stations (SBSs) while ensuring proportional assignment of computational resources and the constraints related to processing delay and security breach cost, the joint optimization of channel selection, the number of subchannels, secure service assignment, multi-step computation offloading, device association, data compression (DC) control, power control, and frequency band partitioning is done for minimizing network-wide energy consumption (EC). Given that the current problem is nonlinear and involves integral optimization parameters, we have devised an adaptive genetic water wave optimization (AGWWO) algorithm by improving the traditional water wave optimization (WWO) algorithm using genetic operations. After that, the computational complexity, convergence, and parallel implementation of AGWWO algorithm are analyzed. Simulation results reveal that this algorithm effectively reduces network-wide EC while guaranteeing the constraints of processing delay and security breach cost.