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Reliability Analysis of a Convolutional-Code-Based Packet Level FEC under Limited Buffer Size
Masayuki ARAI Satoshi FUKUMOTO Kazuhiko IWASAKI
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/04/01
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Reliability, Maintainability and Safety Analysis
reliability analysis, evaluation model, convolutional code, packet loss, forward error correction, packet buffer size,
Full Text: PDF(396.1KB)>>
In this paper, we present a model for evaluating the effectiveness of (2, 1, m) convolutional-code-based packet-level FEC, under the condition of a limited buffer size in which the number of available packets is restricted for recovery. We analytically derive the post-reconstruction receiving rate, i.e., the probability that a lost packet is received or recovered before the buffer limit is reached. We show numerical examples of the analytical results and demonstrate that the buffer size at the same level as m gives sufficient recovery performance.