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All Journal EMITTER International Journal of Engineering Technology
Yudha, R. Gaguk Pratama
Politeknik Elektronika Negeri Surabaya (PENS)
Computer Science & IT

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Performance Analysis of CP-Based and CAZAC Training Sequence-Based Synchronization in OFDM System Yudha, R. Gaguk Pratama; Astawa, I Gede Puja; Sudarsono, Amang
EMITTER International Journal of Engineering Technology Vol 4, No 2 (2016)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (363.5 KB) | DOI: 10.24003/emitter.v4i2.146

Abstract

Orthogonal Frequency Division Multiplexing (OFDM) is a popular wireless data transmission scheme. However, its synchronization is still being a major problem when it is applied in real hardware. Cyclic Prefix (CP) based synchronization is one of the solutions in this problem, but CP has high crest factor. In the other hand, CAZAC sequence is another solution with lower crest factor but the higher complexity and also CAZAC has potential in security and channel estimation implementation. The performance between CP and CAZAC sequence based synchronization in OFDM system is analyzed in this paper. The real hardware, Universal Software Rado Peripheral (USRP), is used to prove the analysis. The CAZAC sequence has 10% performance increased in frequency offset than CP based synchronization.
Co-Authors Amang Sudarsono, Amang I Gede Puja Astawa