Sub-Optimal Degree Distribution untuk Prioritas Komunikasi Manusia menggunakan Proyeksi EXIT Chart pada Jaringan Masa Depan

SOLICHAH LARASATI, KHOIRUN NI’AMAH

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ABSTRAK

Pada jaringan masa depan melibatkan komunikasi antara mesin dan manusia. Penelitian ini mengusulkan konsep coding dalam jaringan menggunakan Maximum Distance Separable (MDS) codes. Desain sub-optimal degree distribution untuk memprioritaskan manusia menggunakan proyeksi EXIT Chart. Pada penelitian ini dasar dari skema multiple akses untuk jaringan super-padat menggunakan Coded Random Access (CRA). Usulan model jaringan menggunakan Binary Erasure Channel (BEC). Evaluasi performansi untuk grup manusia dan mesin diukur berdasarkan throughput dan packet-loss-rate dan hasilnya juga dibuktikan menggunakan frequency-flat Rayleigh fading. Sub-optimal degree distribusi yang diusulkan untuk manusia ((8,2),1) dan untuk mesin ((3.2),0.2),((4,2),0.8)), dengan hasil throughput sebelum fading untuk manusia 0.35 paket/slot dan throughput mesin 0.32 paket/slot, sedangkan setelah fading throughput manusia 0.34 paket/slot dan throughput mesin 0.22 paket/slot.

Kata kunci: MDS codes, CRA, human, machines, EXIT chart

 

ABSTRACT

Future wireless network involving machines and human communications.This research proposed new concept of network coding based on Maximum Distance Separable (MDS) codes. Designed optimally sub-optimal degree distribution for prioritizing human using projected EXIT chart. This research fundamental multiple access scheme for wireless super-dense network using Coded Random Access (CRA). In this research, proposed scheme under Binary Erasure Channel (BEC) to model a network. We evaluate the performance for human and machines group in terms of throughput and packet-loss-rate, and the result are then verified using frequency-flat Rayleigh fading. We have proposed sub-optimal degree distributions for human ((8,2),1) and for machines ((3.2),0.2),((4,2),0.8)), the resulting throughput for human 0.35 packet/slot and throughput for machines 0.32 packet/slot under fading and without fading throughput for human 0.34 packet/slot than throughput for machines 0.22 packet/slot.

Keywords: MDS codes, CRA, human, machines, EXIT chart


Kata Kunci


MDS codes; CRA; human; machines; EXIT chart

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Referensi


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DOI: https://doi.org/10.26760/elkomika.v7i3.442

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