Proyeksi EXIT Chart untuk Memprioritaskan Data Komunikasi Manusia pada Jaringan Super Padat

KHOIRUN NI’AMAH, SOLICHAH LARASATI

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ABSTRAK

Penelitian ini dilakukan untuk menguji jaringan masa depan dengan melibatkan ribuan mesin. Teknik Coded Random Access (CRA) akan dijadikan bagian penting pada teknologi komunikasi seluler generasi ke-5 (5G) tahun 2020 yang diprediksi data komunikasi manusia bercampur dengan mesin. CRA pada penelitian ini dipandang sebagai skema multiple access terbaru yang memanfaatkan coding (repetition dan MDS codes), penelitian ini berdasarkan repetition codes untuk mendesain sub-optimal degree distribution pada grup manusia dan mesin. Kinerja sistem dievaluasi menggunakan parameter proyeksi Extrinstric Information Transfer (EXIT) chart, throughput, dan packet-loss rate (PLR). Sub-optimal degree distribusi untuk grup manusia ((3,1),0.3, (8,1),0.7), grup mesin ((2,1),0.6, (4,1),0.4). Throughput grup manusia tanpa fading 0,775 paket/slot dengan fading 0,736 paket/slot dan grup mesin tanpa fading 0,669 paket/slot dengan fading 0,646 paket/slot. Kontribusi penelitian ini sangat signifikan karena data pada komunikasi manusia dapat diprioritaskan yang dilihat dari kinerja deteksi paket yang diterima tanpa error (throughput) pada grup manusia lebih tinggi dibanding mesin.

Kata kunci: Repetition codes , EXIT Chart, Degree Distribusi, Manusia, Mesin.

 

ABSTRACT

This research considers future super-dense networks. Coded Random Access (CRA) technique is ecxpected to be important in fifth generation (5G) celullar communication in 2020 predicted that human data communication are mixed with machines. CRA as a new multiple accesss sheme which exploiting coding (repetition and MDS codes), this research is based on repetition codes for design sub-optimal degree distribution for human and machines groups. The performance of prioritized are evaluated based on parameters, e.g., projection Extrinsic Information (EXIT) chart, throughput, and packet-loss rate (PLR). Sub optimal degree distribution human ((3,1),0.3, (8,1),0.7), machines ((2,1),0.6, (4,1),0.4). Throughput human without fading 0,775 packet/slot with fading 0,736 packet/slot and machine without fading 0,669 packet/slot with fading 0,646 packet/slot. The contribution of this research is significant because the data on human communication can be prioritized as seen from the performance of correctly received packets (throughput) in the human group is higger than machines.

Keywords: Repetition Codes, EXIT Chart, Degree Distribution, Human, Machines.


Kata Kunci


Repetition codes; EXIT Chart; Degree Distribusi; Manusia; Mesin.

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Referensi


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DOI: https://doi.org/10.26760/elkomika.v7i3.508

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