Performance Analysis of DDM Method to Reduce the Doppler Effect on Vehicular

Muhammad Ardi Rahmadiansyah, Titiek Suryani

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)


VANET is an innovation that supports vehicle to vehicle and vehicle to infrastructure communication. The main application of VANET technology is to realize better and safer traffic management. However, due to the high mobility of the vehicle, this technology causes the Doppler effect, when the spectral signal enlarges in the OFDM system. The Doppler effect occurs due to the influence of the use of Rayleigh fading vehicle-to-vehicle channels on the VANET environment and the effect of changing channel movement conditions causing time-varying channels. It also triggers the spread of Doppler to be larger than the symbol duration. This certainly can disrupt the orthogonality of the OFDM system which is the basis of VANET communication. The effect is the occurrence of ICI (inter-carrier-interference) causing the performance of OFDM to decrease. This research proposes the Direct Development Method (DDM) scheme, a technique to compensate for the Doppler effect which is different from the general scheme. In this study, the scheme used is to focus the corrector on the data frame before sending it. The simulation is carried out by testing the modulation which refers to the IEEE 802.11p standard with 4 different vehicle speed conditions namely 24, 64, 144, and 294 km/h. Analysis of the performance of the application of the DDM scheme on modulation based on the effect of the speed provided gives better results compared to the modulation performance without the compensation of the Doppler (Non-DDM) or conventional effects on the SNR requirement side to achieve the BER 103 target.

Original languageEnglish
Article number012028
JournalIOP Conference Series: Materials Science and Engineering
Issue number1
Publication statusPublished - 18 Dec 2020
Event2nd International Conference in Engineering, Technology and Innovative Researches, ICETIR 2020 - Purbalingga, Indonesia
Duration: 2 Sept 20203 Sept 2020


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