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. In: EAI Endorsed Transactions on Mobile Communications and Applications, vol. 14 (5) article n. e2. ICST - EAI, 2014.
 
 
Abstract
(English)
This work starts from the analysis of the literature about the Random Access protocols with contention resolution, such as Contention Resolution Diversity Slotted Aloha (CRDSA), and introduces a possible enhancement, named Generalized Encoding 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.
URL: http://eudl.eu/doi/10.4108/mca.2.5.e2
DOI: 10.4108/mca.2.5.e2
Subject Random access
CRDSA
Satellite
C.2.1 Network Architecture and Design


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