Title :
Performance Evaluation of Access Control for CRDSA and R-CRDSA under High Traffic Load
Author :
Hong-Jun Noh ; Jong-Kwan Lee ; Jae-Sung Lim
Author_Institution :
Tactical Network Res. Center, Ajou Univ., Suwon, South Korea
Abstract :
In this paper, we propose access control schemes for the contention resolution diversity slotted ALOHA (CRDSA) and the reservation-CRDSA (R-CRDSA) schemes to enhance throughput under high traffic loads. We also propose an estimation technique for the traffic load of CRDSA. In slotted ALOHA, many schemes have been proposed for the same purpose. Some of them adjust channel access probability according to the estimated traffic load. In this paper, these techniques are extended to CRDSA and R-CRDSA by considering the number of packet replicas and the status of the reservation channels. Simulation results demonstrate that the proposed scheme enhances throughput and channel efficiency under high traffic loads.
Keywords :
access protocols; authorisation; diversity reception; electronic warfare; estimation theory; military communication; probability; satellite communication; telecommunication security; telecommunication traffic; wireless channels; CRDSA; R-CRDSA; access control schemes; channel access probability adjustment; channel efficiency; contention resolution diversity slotted ALOHA scheme; estimation technique; high traffic loads; network-centric military warfare vision; next-generation SATNET; packet replicas; performance evaluation; reservation channel status; reservation-CRDSA scheme; satellite networks; throughput enhancement; Access control; Load modeling; Packet loss; Satellites; Silicon carbide; Throughput; CRDSA; R-CRDSA; access control; satellite communication;
Conference_Titel :
Military Communications Conference, MILCOM 2013 - 2013 IEEE
Conference_Location :
San Diego, CA
DOI :
10.1109/MILCOM.2013.232