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

ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Pub Date : 2019-09-30 DOI:10.26760/elkomika.v7i3.442

S. Larasati, Khoirun Ni’amah

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引用次数: 1

Abstract

ABSTRAKPada 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 ℎ􁈺𝑥􁈻􀵌􁈼􁉀􀵫8,2􀵯,1􁉁􁈽 dan Λ 􀯠􁈺𝑥􁈻􀵌􁈼􁉀􀵫3,2􀵯,0.2􁈻,􁈺􀵫4,2􀵯,0.8􁈻􁉁􁈽 dengan hasil throughput sebelum fading Th 􀵌0.35 paket/slot dan Tm 􀵌0.32 paket/slot, sedangkan setelah fading Th 􀵌0.34 paket/slot dan Tm 􀵌0.22 paket/slot.Kata kunci : MDS codes, CRA, human, machines, EXIT chart ABSTRACTFuture 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 are Λ ℎ􁈺𝑥􁈻􀵌􁈼􁉀􀵫8,2􀵯,1􁉁􁈽 and Λ 􀯠􁈺𝑥􁈻􀵌􁉄􁉀􀵫3,2􀵯,0.2􁈻,􁈺􀵫4,2􀵯,0.8􁈻􁉁􁉅, the resulting throughput Th 􀵌0.35 packet/slot and Tm 􀵌0.32 packet/slot under fading and without fading Th 􀵌0.34 packet/slot and Tm 􀵌0.22 packet/slot.Keywords: MDS codes, CRA, human, machines, EXIT chart

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