Equidistant Power Allocation in Downlink AE-NOMA: A Deep Learning Approach

IF 1.7 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Communication Systems Pub Date : 2025-05-24 DOI:10.1002/dac.70132

Namrata Choubey, Aditya Trivedi, Rinkoo Bhatia

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Abstract

Nonorthogonal multiple access (NOMA) is a key element of sixth-generation (6G) wireless networks, designed to improve spectrum efficiency. The introduction of deep learning (DL) in wireless networks has advanced wireless system performance compared to previous generations. In a NOMA system, power is distributed to different users in a cluster or cell. This paper focuses on distributing power to different service demands of a single user in a cell with minimal error rate. We introduce the service-based downlink autoencoder (AE)-NOMA scheme for multiservice NOMA transmission for a single user. The power is distributed to different services through an equidistant power allocation scheme. Integrating AE, NOMA, and the power allocation scheme is developed to enable end-to-end (E2E) signal transmission with an enhanced signal-to-noise (SNR) ratio. It aims to improve the wireless network's block error rate (BLER) performance. The proposed scheme surpasses traditional standard state-of-the-art (SOTA) techniques, the classical successive interference cancellation (SIC)-NOMA scheme, and the AE-based NOMA system. The simulation results highlight the effectiveness and adaptability of the proposed scheme across various scenarios.

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下行AE-NOMA中的等距功率分配：一种深度学习方法

非正交多址（NOMA）是第六代（6G）无线网络的关键组成部分，旨在提高频谱效率。与前几代相比，无线网络中深度学习（DL）的引入提高了无线系统的性能。在NOMA系统中，电力被分配给集群或小区中的不同用户。本文的重点是在最小错误率的情况下，将功率分配给小区内单个用户的不同业务需求。针对单用户多业务NOMA传输，提出了基于业务的下行自编码器(AE)-NOMA方案。通过等距功率分配方案将功率分配给不同的业务。集成AE、NOMA和功率分配方案，实现端到端（E2E）信号传输，提高信噪比（SNR）。它旨在提高无线网络的分组误码率（BLER）性能。该方案超越了传统的标准先进技术（SOTA）、经典的连续干扰抵消(SIC)-NOMA方案和基于ae的NOMA系统。仿真结果表明了该方案在不同场景下的有效性和适应性。

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

International Journal of Communication Systems 工程技术-电信学

CiteScore

5.90

自引率

9.50%

发文量

323

审稿时长

7.9 months

期刊介绍： The International Journal of Communication Systems provides a forum for R&D, open to researchers from all types of institutions and organisations worldwide, aimed at the increasingly important area of communication technology. The Journal''s emphasis is particularly on the issues impacting behaviour at the system, service and management levels. Published twelve times a year, it provides coverage of advances that have a significant potential to impact the immense technical and commercial opportunities in the communications sector. The International Journal of Communication Systems strives to select a balance of contributions that promotes technical innovation allied to practical relevance across the range of system types and issues. The Journal addresses both public communication systems (Telecommunication, mobile, Internet, and Cable TV) and private systems (Intranets, enterprise networks, LANs, MANs, WANs). The following key areas and issues are regularly covered: -Transmission/Switching/Distribution technologies (ATM, SDH, TCP/IP, routers, DSL, cable modems, VoD, VoIP, WDM, etc.) -System control, network/service management -Network and Internet protocols and standards -Client-server, distributed and Web-based communication systems -Broadband and multimedia systems and applications, with a focus on increased service variety and interactivity -Trials of advanced systems and services; their implementation and evaluation -Novel concepts and improvements in technique; their theoretical basis and performance analysis using measurement/testing, modelling and simulation -Performance evaluation issues and methods.