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Performance evaluation of AL-FEC LDPC codes for push content applications in wireless unidirectional environments

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Performance evaluation of AL-FEC LDPC codes for push content applications in wireless unidirectional environments

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dc.contributor.author De Fez Lava, Ismael es_ES
dc.contributor.author Fraile Gil, Francisco es_ES
dc.contributor.author Belda Ortega, Román es_ES
dc.contributor.author Guerri Cebollada, Juan Carlos es_ES
dc.date.accessioned 2015-11-06T14:02:23Z
dc.date.available 2015-11-06T14:02:23Z
dc.date.issued 2012-10
dc.identifier.issn 1380-7501
dc.identifier.uri http://hdl.handle.net/10251/57153
dc.description The final publication is available at Springer via http://dx.doi.org/10.1007/s11042-011-0841-y es_ES
dc.description.abstract FEC (Forward Error Correction) mechanisms improve IP content transmission reliability through the recovery of packets lost in transmission. Opposite to ARQ (Automatic Repeat Request), FEC mechanisms are especially suited to unidirectional environments or to multicast environments where multiple receivers perceived different channel losses, thus making difficult the implementation of mechanisms based on feedback information. Among the different types of FEC codes, this paper presents a thorough performance evaluation of LDPC (Low Density Parity Check) codes, based on an implementation developed by the authors, according to the specifications defined by RFC 5170 for the usage of LDPC codes by push content applications based on the FLUTE protocol. LDPC codes provide a good trade-off between performance and complexity, hence, they are appropriate for mobile applications. Contributions of this paper include tests conducted with commercial mobile phones connected to the push content download server over a Wi-Fi network. The evaluation highlights the advantages of using packet level FEC encoding in file transmission over unidirectional networks and provides with a comparison between two kinds of LDPC structures: Staircase and Triangle. This is accomplished by calculating the inefficiency ratio of these LDPC structures in different environments. Results show that the implemented LDPC codes can provide inefficiency ratios close to one when the different coding parameters (as the code rate or the number of blocks) are configured to an optimal value that depends on the packet loss rate. © 2011 Springer Science+Business Media, LLC. es_ES
dc.description.sponsorship This work was supported in part by the Ministry of Industry, Tourism and Trade of the Government of Spain, under project "Redes Hibridas para la Provision de Servicios Turisticos" (TSI-020302-2010-165). en_EN
dc.language Inglés es_ES
dc.publisher Springer Verlag (Germany) es_ES
dc.relation Ministry of Industry, Tourism and Trade of the Government of Spain. "Redes Híbridas para la Provisión de Servicios Turísticos" TSI-020302-2010-165 es_ES
dc.relation.ispartof Multimedia Tools and Applications es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject AL-FEC es_ES
dc.subject Broadcast es_ES
dc.subject FLUTE es_ES
dc.subject LDPC es_ES
dc.subject Push content download service es_ES
dc.subject Wi-Fi es_ES
dc.subject.classification INGENIERIA TELEMATICA es_ES
dc.title Performance evaluation of AL-FEC LDPC codes for push content applications in wireless unidirectional environments es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/s11042-011-0841-y
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Telecomunicación y Aplicaciones Multimedia - Institut Universitari de Telecomunicacions i Aplicacions Multimèdia es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Comunicaciones - Departament de Comunicacions es_ES
dc.description.bibliographicCitation De Fez Lava, I.; Fraile Gil, F.; Belda Ortega, R.; Guerri Cebollada, JC. (2012). Performance evaluation of AL-FEC LDPC codes for push content applications in wireless unidirectional environments. Multimedia Tools and Applications. 60(3):669-688. doi:10.1007/s11042-011-0841-y es_ES
dc.description.accrualMethod Senia es_ES
dc.relation.publisherversion http://dx.doi.org/10.1007/s11042-011-0841-y es_ES
dc.description.upvformatpinicio 669 es_ES
dc.description.upvformatpfin 688 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 60 es_ES
dc.description.issue 3 es_ES
dc.relation.senia 213869 es_ES
dc.identifier.eissn 1573-7721
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