An efficient algorithm for resource optimization in TWDM passive optical network using a C-RAN

IF 1.9 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

Frontiers in Physics Pub Date : 2024-07-23 DOI:10.3389/fphy.2024.1429750

Jun Jiat Tiang, Hee Chan Chung, Jaeyoung Choi, Imran Khan, Asma Alshehri, Pi-Chung Wang, Ibrahim A. Hameed

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引用次数: 0

Abstract

The traditional base station in C-RAN is divided into three parts: a pool of centralized baseband units (BBUs), a fronthaul network that links the BBUs and remote radio units (RRUs), and RRUs. This paper proposes a novel cooperative algorithm for resource optimization in a time-wavelength division multiplexed (TWDM) passive optical network (PON) incorporating a cloud radio access network (C-RAN). First, a joint collaborative strategy is deployed to optimize cooperative caching and transmission in the wireless and optical domains. Then, the quality of experience (QoE) is improved by bandwidth configuration and caching. Simulation results show that the average throughput of the proposed QoE-aware video cooperative caching and transmission mechanism (QACCTM) algorithm is approximately 30% higher than that of other algorithms. Compared with the relative average residual clutter power (RARCP) and quality-aware wireless edge caching (QAWEC) algorithms, the proposed QACCTM algorithm reduces the access delay by approximately 27.1% and 15.9%, respectively.

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使用 C-RAN 的 TWDM 无源光网络资源优化的高效算法

C-RAN 中的传统基站分为三个部分：集中基带单元（BBU）池、连接 BBU 和远程无线单元（RRU）的前传网络以及 RRU。本文提出了一种新的合作算法，用于结合云无线接入网（C-RAN）的时分复用（TWDM）无源光网络（PON）中的资源优化。首先，采用联合协作策略来优化无线和光域中的合作缓存和传输。然后，通过带宽配置和缓存改善体验质量（QoE）。仿真结果表明，所提出的 QoE 感知视频合作缓存和传输机制（QACCTM）算法的平均吞吐量比其他算法高出约 30%。与相对平均残余杂波功率（RARCP）和质量感知无线边缘缓存（QAWEC）算法相比，所提出的 QACCTM 算法分别减少了约 27.1% 和 15.9% 的接入延迟。

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

Frontiers in Physics Mathematics-Mathematical Physics

CiteScore

4.50

自引率

6.50%

发文量

1215

审稿时长

12 weeks

期刊介绍： Frontiers in Physics publishes rigorously peer-reviewed research across the entire field, from experimental, to computational and theoretical physics. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, engineers and the public worldwide.