PUMA
Istituto di Scienza e Tecnologie dell'Informazione     
Bacco F. M., CassarÓ P., Gotta A. Generalized encoding CRDSA: maximizing throughput in enhanced random access schemes for satellite. Technical report, 2014.
 
 
Abstract
(English)
This work starts from the analysis of the literature about the Random Access protocols with contention resolution as Contention Resolution Diversity Slotted Aloha (CRDSA) and introduces a possible enhancement, named Generalized Contention Resolution Diversity Slotted Aloha (GE-CRDSA). The GE-CRDSA aims at improving the aggregated throughput when the system load is less than 50%, playing on the opportunity of transmitting an optimal combination of information and parity packets frame by frame. This paper shows the improvement in terms of throughput, by performing traffic estimation and adaptive choice of information and parity rates, when a satellite network undergoes a variable traffic load profile.
Subject Satellite
Interference Cancellation
DVB-RCS2
CRDSA
Slotted Aloha
C.2 COMPUTER-COMMUNICATION NETWORKS


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