Distributed Uplink Rate-Splitting Multiple Access for Multi-Access Edge Computing

IF 4.4 3区计算机科学 Q2 TELECOMMUNICATIONS

IEEE Communications Letters Pub Date : 2025-06-05 DOI:10.1109/LCOMM.2025.3577097

Apostolos A. Tegos;Yue Xiao;Sotiris A. Tegos;George K. Karagiannidis;Panagiotis D. Diamantoulakis

引用次数: 0

Abstract

In this work, we introduce multi-access edge computing (MEC) with distributed uplink rate-splitting multiple access (RSMA)-assisted, which has been shown to increase the achievable capacity region compared to other distributed uplink counterparts, including non-orthogonal multiple access (NOMA). It is noteworthy that the integration of distributed uplink multiple access and MEC has not been investigated in the existing literature, while distributed uplink RSMA can also be seen as a generalization of distributed uplink NOMA. In more detail, considering a system with two remote radio heads (RRHs) and two users, where the users have the ability to offload their data to either RRH, we aim to minimize the delay for the full offloading scenario. To this end, both the power allocation coefficient and the number of bits offloaded to each RRH are optimized. Simulations show that the proposed scheme outperforms both OMA-assisted MEC and NOMA-assisted MEC.

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面向多接入边缘计算的分布式上行分速率多接入

在这项工作中，我们引入了分布式上行速率分割多址（RSMA）辅助下的多址边缘计算（MEC），与其他分布式上行链路相比，包括非正交多址（NOMA）， MEC已被证明可以增加可实现的容量区域。值得注意的是，现有文献尚未对分布式上行多址与MEC的集成进行研究，而分布式上行RSMA也可以看作是分布式上行NOMA的推广。更详细地说，考虑一个具有两个远程无线电头（RRH）和两个用户的系统，其中用户可以将其数据卸载到任意一个RRH，我们的目标是最小化完全卸载场景的延迟。为此，优化了功率分配系数和每个RRH的卸载位数。仿真结果表明，该方案优于oma辅助MEC和noma辅助MEC。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Communications Letters 工程技术-电信学

CiteScore

8.10

自引率

7.30%

发文量

590

审稿时长

2.8 months

期刊介绍： The IEEE Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of communication over different media and channels including wire, underground, waveguide, optical fiber, and storage channels. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of communication systems.