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What is FEC

Chapter 12
Handbook of Research on Secure Multimedia Distribution
Forward Error Correction, system of error control schemes for data transmission which adds redundant information in order to provide robustness to channel errors.
Published in Chapter:
Wireless Video Transmission
Supavadee Aramvith (Chulalongkorn University, Thailand) and Rhandley D. Cajote (Chulalongkorn University, Thailand)
Copyright: © 2009 |Pages: 30
DOI: 10.4018/978-1-60566-262-6.ch012
Abstract
Presently, both wireless communications and multimedia communications have experienced unequaled rapid growth and commercial success. Building on advances of network infrastructure, low-power integrated circuits, and powerful signal processing/compression algorithms, wireless multimedia services to support digital video applications such as videophone, video conferencing, video streaming, video on demand (VoD), and video surveillance, likely finds widespread acceptance. Many wireless multimedia applications require video coding schemes and underlying transport that can provide acceptable quality of service to the end users. Due to the burst errors nature of wireless channels and the error propagation property of compressed video, suitable source and channel coding schemes are required to handle such conditions. This chapter provides overview of video compression techniques, and the latest video coding standard, H.264/AVC, its implication for the wireless video transmission, and our research contribution on joint source-channel coding for wireless video transmission.
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Chapter 7
Efficient Discrete Simulation of Coded Wireless Communication Systems
Forward error correction is a method commonly used in most digital data transmission systems to enable correction of some of the data symbols received, due to noise and interference introduced by the channel that separates the emitter from the receiver. This is usually done by an error correcting code that detects and corrects some of the symbols received, without the need for retransmission. These codes always introduce some redundancy to the transmitted symbols, which are then removed at the receiver to estimate the transmitted symbols. The performance of a given error correcting code depends on its characteristics and also the channel model, so it is often evaluated by simulation.
Published in Chapter: Efficient Discrete Simulation of Coded Wireless Communication Systems; From: Handbook of Research on Discrete Event Simulation Environments: Technologies and Applications
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Chapter 12
Recent Advances in Traffic Forwarding Techniques
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