Error-control for tactical ATM

Pizzi, S.V.; Michelson, A.M.; Freeman, D.F.; Sanford, Joe; Pope, F.; Wetmore, L.; Nagle, R.; Simonelli, J.J.

doi:10.1109/milcom.1998.722160

Cited by 2 publications

(3 citation statements)

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“…Up to now the problem was solved as it is described in [2][3][4][5][6][7][8][9]. In the standard solution [2] ATM cell header (5 Bytes) is protected by one of the Bytes (the so called HEC-Byte), which allows correcting all single-bit errors in a 5-Byte header.…”

Section: Introductionmentioning

confidence: 99%

“…However it still needs for its implementation look up tables in encoder as well as in decoder. Other known solutions are described in [4][5][6][7][8] which however also need much more redundancy than the standard approach. Most of these schemes use more than one error control code in concatenated arrangement or separate code for header and separate one for payload.…”

Section: Introductionmentioning

confidence: 99%

“…Most of these schemes use more than one error control code in concatenated arrangement or separate code for header and separate one for payload. For example in [4] [8], but at the cost of necessity to use computationally demanding iterative decoding procedures.…”

Section: Introductionmentioning

confidence: 99%

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One error control scheme for ATM header

Farkas

Rakús

Palenik

2010

2010 IEEE Region 8 International Conference on Computational Technologies in Electrical and Electronics Engineering (SIBIRCON)

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Wireless Asynchronous Transfer Mode (WATM) have been proposed by ETSI and ATM Forum for some communications applications. The ATM employs header error control (HEC) to protect the ATM cell header from bit error and/or avoid the miss forwarding of ATM cell. Standard HEC is based on CRC polynomial. Its decoding allows single error correction and it is usually based on exploitation of look-up tables or other relatively complex procedure caused by necessity to determine the position of the single error in a ATM cell header. This paper describes one additional FEC method for ATM cell header. The new approach has slightly better error control capability and simultaneously its decoding method is very simple and avoids the usage of look up tables. The FEC scheme is using the same redundancy as the standard method -1 byte, but it allows correcting not only all single-bit errors in a header, but also some double-bit errors, triple-bit errors and quadruple-bit errors.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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One error control scheme for ATM header

Farkas

Rakús

Palenik

2010

2010 IEEE Region 8 International Conference on Computational Technologies in Electrical and Electronics Engineering (SIBIRCON)

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Reliable ATM transmission of multimedia in wireless networks

Michelson¹,

Lewis²,

Basch³

et al.

ICUPC '98. IEEE 1998 International Conference on Universal Personal Communications. Conference Proceedings (Cat. No.98TH8384)

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INTRODUCTION*Customer service requirements are making it desirable to support a wide range of multimedia applications in wireless networks. ATM is a network protocol that supports high speed switching and multiplexing of voice, video, data, and imagery regardless of the format. Application data is transmitted in short, fixed-size cells comprising a five-byte header (40 bits) and a 48-byte payload (384 bits). The header conveys addressing information, while the payload contains information bits that represent a segment of user data. Although not originally developed for wireless applications, the use of ATM in wireless networks is currently receiving a good deal of attention.Significant interest in wireless digital video has developed due to applications such as telemedicine and video teleconferencing over wireless LANs. Uncompressed video has bit rate requirements on the order of 270 Mbps.However bandwidth in wireless networks is limited, and compression is essential for wireless video applications. The Moving Picture Experts Group (MPEG) family of standards is an internationally accepted video compression standard that provides a variety of video qualities over a range of different bit rates. The MPEG-2 standards support intemet-quality to HDTV-quality video, and the MPEG-4 standards are being optimized for robust transmission of very low bit rate video. The MPEG standards specify the video stream syntax and semantics to be used to correctly decode the video stream. The encoding process is not defined which allows continued refinement of the encoding algorithm.ATM is designed to facilitate hgh-speed transport of multimedia services in optical networks where communication channels have large bandwidths and low error rates or better). For wireless applications, link bandwidths are generally small and error rates large. Limited bandwidth, however, does not preclude the use of ATM.When bandwidth is limited, multimedia applications with diverse quality of service (QoS) requirements can be supported through the use of compression techniques and by reducing the number of users. A more fundamental problem is that the quality of the wireless links can be poor. Channel bit error rates can be high, and a mixture of independent and burst-error phenomena can exist.Depending on the type of application supported, the effects of these errors can range from not perceptible to catastrophic. To support a variety

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Error-control for tactical ATM

Cited by 2 publications

References 1 publication

One error control scheme for ATM header

One error control scheme for ATM header

Reliable ATM transmission of multimedia in wireless networks

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