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All Journal Outline Journal of Economic Studies Jurnal SPEKTRUM
Wahyu Sahputra
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Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Social Sciences

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The Influence of Price and Service Quality on Gojek's Brand Image on Eka Prasetya's Students Wahyu Sahputra
Outline Journal of Economic Studies Vol. 1 No. 1: October - March 2022
Publisher : Outline Publisher

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Abstract

This study aims to determine the effect of Service Price and Service Quality on Brand Image Gojek on Eka Prasetya Students. The population in this study were Eka Prasetya students as many as 941 respondents. The research sample in this study were 90 people with Slovin formula. The T-test results showed that price partially had a positive and significant effect on Brand Image Gojek for Eka Prasetya Students. The T-test results showed that the Service Quality of Services partially had a positive and significant effect on Brand Image Gojek for Eka Prasetya Students. The F-test results show that the Price and Service Quality variables simultaneously have a positive and significant effect on Brand Image Gojek for Eka Prasetya Students. The coefficient of determination test results (R2) shows that the Brand Imag variable can be explained by the Price and Service Quality variable and the rest is explained by other variables not included in the research model such as Promotion and Customer Loyalty.
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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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 I Nyoman Gunantara Nyoman Pramaita