Online AL-FEC protection over mobile unicast services

2015 European Conference on Networks and Communications (EuCNC) Pub Date : 2015-08-13 DOI:10.1109/EuCNC.2015.7194074

C. Bouras, N. Kanakis

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引用次数: 7

Abstract

Forward error correction (FEC) is a method for error control of data transmission adopted in several mobile multicast standards. FEC is a feedback free error recovery method where the sender introduces redundant data in advance with the source data enabling the recipient to recover from different arbitrary packet losses. Recently, the adoption of FEC error control method has been boosted by the introduction of powerful Application Layer FEC (AL-FEC) codes i.e., RaptorQ codes. Furthermore, several works have emerged aiming to address the efficient application of AL-FEC protection introducing deterministic or randomized online algorithms. The investigation of AL-FEC application as primary or auxiliary error protection method over mobile multicast environments is a well investigated field. However, the opportunity of utilizing the AL-FEC over mobile unicast services as the only method for error control, replacing common feedback based methods that are now considered to be obsolete, is not yet examined. In this work we provide an analysis on the feasibility of AL-FEC protection over unicast delivery utilizing online algorithms on the application of AL-FEC codes with exceptional recovery performance.

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移动单播服务的在线AL-FEC保护

前向纠错(FEC)是目前移动组播标准中采用的一种数据传输错误控制方法。FEC是一种无反馈错误恢复方法，发送方预先引入冗余数据与源数据，使接收方能够从不同的任意数据包丢失中恢复。最近，由于引入了功能强大的应用层FEC (AL-FEC)代码，即RaptorQ代码，FEC错误控制方法的采用得到了促进。此外，已经出现了一些工作，旨在解决引入确定性或随机在线算法的AL-FEC保护的有效应用。在移动组播环境中，AL-FEC作为主要或辅助错误保护方法的应用研究是一个很好的研究领域。然而，利用移动单播服务上的AL-FEC作为错误控制的唯一方法，取代现在被认为过时的基于反馈的常见方法的机会尚未得到审查。在这项工作中，我们分析了利用在线算法在具有优异恢复性能的AL-FEC码的应用上对单播传输进行AL-FEC保护的可行性。

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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2015 European Conference on Networks and Communications (EuCNC)

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