摘要：With the rapid development of the Internet of Things (IoT), more and more computation-intensive tasks are generated by IoT devices. Due to their own limitations, IoT devices cannot process all tasks locally, and some tasks need to be offloaded to edge servers for processing. In addition, nonorthogonal multiple access (NOMA) technology allows multiple IoT devices to share the same frequency resource. IoT devices can use NOMA technology to transmit data to increase the data transmission rate. In this article, we study the problem of NOMA-enabled dynamic task offloading in heterogeneous networks. We formulate a stochastic optimization problem to minimize system energy consumption. Using stochastic optimization techniques, we transform this problem into a deterministic optimization problem and decompose it into five sub-problems to solve. At the same time, we propose a NOMA-enabled dynamic task offloading (NDTO) algorithm. Then, we mathematically analyze the performance of the NDTO algorithm. We conduct a series of parameter analysis experiments and comparative experiments, and the results verify the performance of the NDTO algorithm.

ISSN号：1939-0114

卷、期、页：卷: 2022

发表日期：2022-12-20

影响因子：1.791000

期刊分区（SCI为中科院分区）：四区

收录情况：SCIE（科学引文索引网络版）,EI（工程索引）

发表期刊名称：SECURITY AND COMMUNICATION NETWORKS

参与作者：李开心,许嘉杰,邢华,陈莹

第一作者：黄霁崴

论文类型：期刊论文

论文概要：李开心,许嘉杰,邢华,陈莹,黄霁崴，Dynamic Task Offloading for NOMA-Enabled Mobile Edge Computing with Heterogeneous Networks，SECURITY AND COMMUNICATION NETWORKS，2022，卷: 2022

论文题目：Dynamic Task Offloading for NOMA-Enabled Mobile Edge Computing with Heterogeneous Networks