A Cell-level Forward Error Correction Scheme (fec-sscs) for Atm Networks

This paper proposes and describes a cell-level forward error correction (FEC) scheme in the ATM Adaptation Layer (AAL) for ATM networks. An FEC scheme will benefit real-time needs of multimedia applications as well as reliable (error-free) data communications. ATM network performance degrades rapidly with increasing cell loss or the bit error rate. The achievable throughput for reliable services also deteriorates with increasing packet or frame size or with increasing number of receivers in a multicast operation. FEC-SSCS can improve end-to-end QoS in all these cases. 1 From October 1997, Georg Carle is with GMD Fokus, Kaiser-Augusta-Allee 31, 10589 Berlin, Germany