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학술지 Comparison of Two Methodologies on Spectrum Sharing Information for Unlicensed Use in the 6-GHz Band
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저자
엄중선, 김봉수, 김이고르, 박승근
발행일
202208
출처
ETRI Journal, v.44 no.4, pp.531-542
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.2021-0172
협약과제
21HH2700, 스펙트럼 챌린지를 통한 기존 무선국 보호 및 주파수 공유기술 개발, 박승근
초록
With the increasing demand for unlicensed spectrum, several regulators have been opening up the 6-GHz band for unlicensed use while ensuring compliance with the technical requirement to avoid harmful interference in the existing primary services (PSs). In this paper, we present two methodologies, a channel-based method and a frequency-based method, which are applicable to a frequency coordination system that calculates the permissible transmit power in the channels or frequencies available to a secondary service (SS). In addition, we have demonstrated that the available transmit power of an SS can be maximized by adjusting the power allocation of the assigned resource units under the condition that the channel of the SS is partially overlapped with that of the PS. Based on the analysis results, it is suggested that it would be better to utilize the two methods selectively according to the operating channel conditions of the PS and the SS.
KSP 제안 키워드
Coordination System, GHz band, Operating channel, Technical requirement, Transmit power, channel condition, harmful interference, power allocation(PA), sharing information, spectrum sharing, unlicensed spectrum
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