Title :
RS + LDPC-Staircase codes for the erasure channel: Standards, usage and performance
Author :
Roca, Vincent ; Cunche, Mathieu ; Thienot, Cedric ; Detchart, Jonathan ; Lacan, Jerome
Author_Institution :
Inria, Sophia-Antipolis, France
Abstract :
Application-Level Forward Erasure Correction (AL-FEC) codes are a key element of telecommunication systems. They are used to recover from packet losses when retransmission are not feasible and to optimize the large scale distribution of contents. In this paper we introduce Reed-Solomon/LDPC-Staircase codes, two complementary AL-FEC codes that have recently been recognized as superior to Raptor codes in the context of the 3GPP-eMBMS call for technology [1]. After a brief introduction to the codes, we explain how to design high performance codecs which is a key aspect when targeting embedded systems with limited CPU/battery capacity. Finally we present the performances of these codes in terms of erasure correction capabilities and encoding/decoding speed, taking advantage of the 3GPP-eMBMS results where they have been ranked first.
Keywords :
3G mobile communication; Reed-Solomon codes; channel coding; decoding; error correction codes; parity check codes; 3GPP-eMBMS call; AL-FEC codes; CPU-battery capacity; RS-LDPC staircase codes; Raptor codes; Reed-Solomon-LDPC staircase codes; application-level forward erasure correction codes; embedded systems; encoding-decoding speed; erasure channel; erasure correction capabilities; large scale distribution; standards; telecommunication systems; 3GPP-MBMS; AL-FEC codes; Erasure channel; FECFRAME; FLUTE/ALC;
Conference_Titel :
Wireless and Mobile Computing, Networking and Communications (WiMob), 2013 IEEE 9th International Conference on
Conference_Location :
Lyon
DOI :
10.1109/WiMOB.2013.6673424