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논문 기본 정보

자료유형
학술저널
저자정보
Mihwa Song (Korea Expressway Corporation Research Institute) Seong-In Kang (Korea Expressway Corporation Research Institute) Won-Woo Lee (Korea Expressway Corporation Research Institute)
저널정보
한국정보통신학회JICCE Journal of information and communication convergence engineering Journal of information and communication convergence engineering Vol.18 No.2
발행연도
2020.6
수록면
88 - 93 (6page)

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초록· 키워드

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The IEEE 802.11p-based wireless access in vehicular environments (WAVE) [1] communication is a method used exclusively for wireless communication on the road. This technique enables information sharing not only among moving vehicles but also between vehicles and infrastructure [2]. As part of WAVE communication, data is transmitted to and from vehicles in motion; in this case, it is difficult to determine the channel accurately in an outdoor environment owing to the Doppler shift [3]. This paper proposes a new channel estimation scheme for enhancing the reception performance of the IEEE 802.11p-based WAVE system. The proposed technique obtains the initial channel value by estimating the least square in the time domain by inserting a pilot signal for channel estimation into the IEEE 802.11p virtual subcarrier. Subsequently, a least mean square algorithm is applied to the initial channel value to update the estimated channel value. The simulation results obtained using the proposed channel estimation technique confirm its remarkable efficiency.

목차

Abstract
I. INTRODUCTION
II. SYSTEM MODEL
III. CHANNEL ESTIMATION TECHNIQUE
IV. SIMULATION RESULT
V. CONCLUSION
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