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논문 기본 정보

자료유형
학술저널
저자정보
Choeun Park (Korea National University of Transportation) Kyunbyoung Ko (Korea National University of Transportation)
저널정보
한국콘텐츠학회(IJOC) International JOURNAL OF CONTENTS International JOURNAL OF CONTENTS Vol.14 No.1
발행연도
2018.3
수록면
39 - 44 (6page)

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초록· 키워드

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Today, cars have developed into intelligent automobiles that combine advanced control equipment and IT technology to provide driving assistance and convenience to users. These vehicles provide infotainment services to the driver, but this does not improve the safety of the driver. Accordingly, V2X communication, which forms a network between a vehicle and a vehicle, between a vehicle and an infrastructure, or between a vehicle and human, is drawing attention. Therefore, various techniques for improving channel estimation performance without changing the IEEE 802.11p standard have been proposed, but they do not satisfy the packet error rate (PER) performance required by the C-ITS service. In this paper, we analyze existing channel estimation techniques and propose a new channel estimation scheme that achieves better performance than existing techniques. It does this by applying the updated matrix for the data pilot symbol to the construct data pilot (CDP) channel estimation scheme and by further performing the interpolation process in the frequency domain. Finally, through simulations based on the IEEE 802.11p standard, we confirmed the performance of the existing channel estimation schemes and the proposed channel estimation scheme by coded PER.

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ABSTRACT
1. INTRODUCTION
2. SYSTEM MODEL
3. CHANNEL ESTIMATION SCHEMES FOR THE IEEE802.11P
4. PROPOSED CHANNEL ESTIMATION METHODS
5. SIMULATION RESULTS
6. CONCLUSION
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