Coded Random Access Technique Based on Repetition Codes for Prioritizing Emergency Communication

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Published: Dec 27, 2020
DOI: https://doi.org/10.17933/bpostel.2020.180205
Keywords:
Repetition Codes, Coded Random Access, Super-dense Networks, EXIT Chart
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Khoirun Ni'amah
Institut Teknologi Telkom Purwokerto
Solichah Larasati
Institut Teknologi Telkom Purwokerto
Alfin Hikmaturokhman
Institut Teknologi Telkom Purwokerto
Muntaqo Alfin Amanaf
Institut Teknologi Telkom Purwokerto
Achmad Rizal Danisya
Institut Teknologi Telkom Purwokerto

Abstract

This research uses repetition codes based on Coded Random Access (CRA) to support Internet of Things (IoT) to give priority to emergency commutations in super-dense networks. Degree distribution for emergency group and general group are obtained with extrinsic information transfer (EXIT) analysis to achieve small error performance shown by the very small gap between emergency group curve and general group curve. This research also evaluates performance by observing throughput and packet-loss rate (PLR) parameters from every groups. Offered traffic in PLR  for emergency group user is G= 0,7 packet/slot without fading and G= 0,65 packet/slot with fading, while for public group is G=0,699 packet/slot without fading and G=0,42 packet/slot with fading. Peak throughput for emergency group is G= 0,737 packet/slot without fading and G= 0,729 packet/slot with fading. Peak Throughput for public group is G= 0,699 packet/slot without fading and G=0,685 packet/slot with fading. Throughput values of emergency group are higher than those of the general group, indicating successful process of giving priority for emergency group.

Article Details

Issue
Vol. 18 No. 2 (2020): December 2020
Section
Telecommunication

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