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Journal : Jurnal SPEKTRUM

ANALISIS KINERJA KODE BOSE CHAUDHURI HOCQUENGHEM PADA DIRECT SEQUENCE SPREAD SPECTRUM PADA KANAL FREKUENSI SELECTIVE FADING Wahyu Sahputra; Nyoman Pramaita; Nyoman Gunantara
Jurnal SPEKTRUM Vol. 12 No. 4 (2025): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

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Abstract

This study aims to analyze the performance of Bose Chaudhuri–Hocquenghem (BCH) coding (7,4) in a Direct Sequence Spread Spectrum (DSSS) system using Pseudo Noise (PN) spreading code, under frequency selective fading and white Gaussian noise (AWGN) channel conditions. Simulations were performed using MATLAB Simulink to compare the system performance against Bit Error Rate (BER) at various values of bit energy to noise power density (Eb/No). The simulation results show that the use of BCH generally improves system performance by significantly reducing the BER value. At high Eb/No, the performance of PN + BCH is slightly better. This indicates that the effectiveness of signal coding and spreading is strongly influenced by channel conditions and noise levels. Code length, spreading type, and error correction method play an important role in optimizing digital communication performance.
Co-Authors A Dharma A. A. G. M. Pemayun A. Dharma A.A.D.P. Dewi AAN. Agung Indra Prasetya adi surya antara Adu, Franco Xander Agus Dharma Agus Dharma Agus Mahabojana Dwi Prayoga, Kadek Arfianto, Afif Zuhri Artawan, Komang Nova Darmawan, I Gede Hadi Dhiyavia, Fuad Diafari Djuni, IGAK Dika Nugraha, Made Eko Supriyanto Ferary, Franky G.M.A. Sasmita Hisyam Rahmawan Suharno Hisyam Rahmawan Suharno I Dewa Nyoman Anom Manuaba I G. A. K. Diafari Djuni Hartawan I Gede Krisnu Wardana I Gusti Agung Gede Arya Kadyanan I Gusti Ngurah Gede Agung Suniantara I K A Riki Gunawan I K. A. Riki Gunawan I ketut Gede Darma Putra I Made Mataram I Made Oka Widyantara I Nyoman Bernadus I P Indra Ully Widhi Nugraha I Putu Agus Eka Pratama I Wayan Sukerayasa I. K. Wijaya I.G.A. Sutresna Mudri I.K.G. Harsana Ida Ayu Masyuni Ida Bagus A. Swamardika Ida Bagus Agung Eka Mandala Putra Kardiyasa, Komang Agus Putra Ketut Arsarahadi Oka Brahmansa Komang Agus Putra Kardiyasa Komang Nova Artawan Komang Oka Saputra Linawati Linawati Linawati Luh Kadek Pracanthi Dyah Sekartaji M Amir Made Sudarma Made Sudarma Manuaba, Ida Bagus Gede Mohammad Basuki Rahmat, Mohammad Basuki N Paramaita N.O. Pramundia Ngakan Ketut Acwin Dwijendra Ni Ketut Novia Nilasari Ni Luh Ratniasih, Ni Luh Ni Made Ary Esta Dewi Wirastuti Niama Dwi Susila, Made Nilasari, Ni Ketut Novia NMAED Wirastuti Nugraha Putra, Bayu Nyoman Pramaita Nyoman Pramaita Pande Ketut Sudiarta Pande Ketut Sudiarta, Pande Ketut Pande Made Sutawan Parito Parito putu roy nurbhawa R. Yanuari Rahayu, Ni Luh Widi Rukmi Sari Hartati Rukmi Sari Hartati Saputra, Komang Oka Sindu, I Gede Partha Solang, Efraim William Tri Budi Santoso Valian Yoga Pudya Ardhana Wahyu Sahputra