An Efficient Vehicular Ad-hoc Networks and Ranging System Using Spread Spectrum Multi-carrier Modulation Scheme 


Vol. 34,  No. 7, pp. 554-561, Jul.  2009


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  Abstract

In this paper, we propose a novel Vehicular Ad-hoc Network(VANET) which includes communication and ranging features, using Spread Spectrum(SS) multi-carrier modulation scheme. In existing methods, a spread spectrum technique was used to communicate with other vehicles and raging was possible by detecting phase difference between transmission/reception of the PN signal. However, the use of high-speed PN signals is mandatory to detect possible errors of phase difference and to increase the analysis capacity. In the proposed system, multi-carrier modulation scheme was used as solution of mentioned problem. The multi-carrier modulation scheme uses smaller PN signal and chip-rate than the single-carrier modulation, so it is possible to send multiple carrier waves using the same frequency range. This technique (multiple carrier waves) allows to have the Equal Gain Combing (EGC) diversity effect, providing better result in phase difference error detection and raging accuracy.

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  Cite this article

[IEEE Style]

Y. A. Kim, "An Efficient Vehicular Ad-hoc Networks and Ranging System Using Spread Spectrum Multi-carrier Modulation Scheme," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 7, pp. 554-561, 2009. DOI: .

[ACM Style]

Young An Kim. 2009. An Efficient Vehicular Ad-hoc Networks and Ranging System Using Spread Spectrum Multi-carrier Modulation Scheme. The Journal of Korean Institute of Communications and Information Sciences, 34, 7, (2009), 554-561. DOI: .

[KICS Style]

Young An Kim, "An Efficient Vehicular Ad-hoc Networks and Ranging System Using Spread Spectrum Multi-carrier Modulation Scheme," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 7, pp. 554-561, 7. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880