Publication

On the potential of forward error correction mechanisms applied to real-time services carried over B-ISDN

1996
Conference Papers

Abstract

Variable Bit Rate real-time multimedia services like highly compressed video or audio tend to be very sensitive to transmission errors. This paper investigates cell and frame loss as well as delay and timing issues in an ATM-based B-ISDN environment that carries such services. The figures derived through simulation using artificial as well as real world sources motivate the introduction of forward error correction (FEC) mechanisms. We describe an approach that combines FEC mechanisms with extended loss recovery properties and cell interleaving and that is capable of dealing with variable bit rate services. If parameters and components are properly chosen the loss figures can be reduced significantly while still keeping the complexity of the FEC mechanism within acceptable bounds

Official source

https://infoscience.epfl.ch/entities/publication/8ad69391-11f0-499b-a4aa-88d4eb919eb8

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1996
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/8ad69391-11f0-499b-a4aa-88d4eb919eb8

About this result

Related concepts (31)

Error correction code

In computing, telecommunication, information theory, and coding theory, forward error correction (FEC) or channel coding is a technique used for controlling errors in data transmission over unreliable or noisy communication channels. The central idea is that the sender encodes the message in a redundant way, most often by using an error correction code or error correcting code (ECC). The redundancy allows the receiver not only to detect errors that may occur anywhere in the message, but often to correct a limited number of errors.

Integrated Services Digital Network

Integrated Services Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the digitalised circuits of the public switched telephone network. Work on the standard began in 1980 at Bell Labs and was formally standardized in 1988 in the CCITT "Red Book". By the time the standard was released, newer networking systems with much greater speeds were available, and ISDN saw relatively little uptake in the wider market.

Error detection and correction

In information theory and coding theory with applications in computer science and telecommunication, error detection and correction (EDAC) or error control are techniques that enable reliable delivery of digital data over unreliable communication channels. Many communication channels are subject to channel noise, and thus errors may be introduced during transmission from the source to a receiver. Error detection techniques allow detecting such errors, while error correction enables reconstruction of the original data in many cases.

Related publications (13)

On the potential of forward error correction mechanisms applied to real-time services carried over B-ISDN

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