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학술대회 Proof-of-concept Demonstration of a 22-GHz Vehicular Communication System Over an Urban Roadway Testbed
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정희상, 최성우, 최승남, 조대순, 김선애, 최정필, 노고산, 김준형, 김일규
International Conference on Information and Communication Technology Convergence (ICTC) 2020, pp.857-859
20HH3100, [사회문제] 통신비 부담 경감을 위한 대중교통수단에서의 공공와이파이 체감 품질 개선, 정희상
This report presents the proof-of-concept demonstration of a 22-GHz based vehicular communication system over an urban roadway testbed. The testbed consists of three different cell sites along main roads and a vehicle with a terminal equipment. Each cell site has base station equipment including a baseband modem and two sets of RF transceiver and antenna designed and implemented in the 22 GHz band. The vehicle has the terminal equipment that is comprised of a baseband modem and six sets of RF transceiver and antenna. Functionality and performance have been checked and tested over the testbed. Upon the functionality check, cell searches and beam switching have been proved out to function properly. Downlink data rates of 1.9 - 2.5Gbps have been achieved by system optimization during the performance test while the vehicle ran through the urban roadway.
KSP 제안 키워드
Beam switching, GHz band, Main roads, Performance Test, Proof of concept, RF transceiver, Urban roadway, Vehicular communication system, base station(BS), baseband modem, cell site