一种减少Voip分配带宽的新方法

IF 1.1 Q3 TRANSPORTATION SCIENCE & TECHNOLOGY
Mosleh M Abualhaj, A. Abu-Shareha, Qusai Y. Shambour, Sumaya N. Al-Khatib
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引用次数: 0

摘要

旧的电信系统正逐渐被一种基于IP网络的新系统所取代,这种新系统被称为互联网语音协议(VoIP)。VoIP有几个优点(例如,非常便宜的话费),这使得它在电信界越来越受欢迎。然而,VoIP面临着许多阻碍其推广的障碍。最大的障碍之一是VoIP系统造成的带宽浪费。已经提出了许多方法来处理这种障碍,包括分组聚合方法。本文提出了一种新的聚合方法——分组聚合和载波头聚合(PA-CH),以减少VoIP带来的大带宽量。顾名思义,PA-CH通过在报头中聚合数据包并使用报头中的冗余字段来携带部分数据包语音数据来节省带宽。基于链路容量、分配带宽减少和语音数据缩短三个主要指标对所引入的PA-CH方法的性能进行了研究。仿真结果表明,所提出的PA-CH方法在三个方面都优于比较方法。例如,当并发运行的呼叫数达到100时,所提方法的分配带宽减少率达到51%。因此,本文提出的PA-CH方法达到了减少VoIP带来的带宽浪费的目的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Novel Method of Reducing the Allocated Bandwidth by Voip
Abstract Old telecommunication systems are gradually being replaced by a new system that works over IP networks, which is known as voice over internet protocol (VoIP). VoIP has several merits (e.g., very cheap call rate), which make it increasingly popular in the telecommunication world. However, VoIP faces numerous impediments that decelerate its promotion. One of the top impediments is the wasted bandwidth caused by VoIP systems. Numerous methods have been proposed to handle this impediment, including packet aggregation methods. This paper proposes a novel aggregation method, called packet aggregation and carrier header (PA-CH), to reduce the amount of the large bandwidth caused by VoIP. As the name suggests, PA-CH saves in bandwidth by aggregating the packets in a header and using the redundant fields in the packet header to carry a portion of the packet voice data. The performance of the introduced PA-CH method was investigated based on three main metrics, namely, link capacity, allocated bandwidth reduction, and voice data shortening. Simulation results indicate that the proposed PA-CH method outperforms the comparison methods in three factors. For instance, the proposed method’s allocated bandwidth reduction ratio reaches 51% when the number of calls running concurrently reaches 100. Therefore, the proposed PA-CH method achieves its goal of reducing the wasted bandwidth caused by VoIP.
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来源期刊
Transport and Telecommunication Journal
Transport and Telecommunication Journal TRANSPORTATION SCIENCE & TECHNOLOGY-
CiteScore
3.00
自引率
0.00%
发文量
21
审稿时长
35 weeks
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