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학술지 Design Considerations of Photonic THz Communications for 6G Networks
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저자
성민규, 문상록, 김언상, 조성민, 이준기, 조승현, Tetsuya Kawanish, 송호진
발행일
202110
출처
IEEE Wireless Communications, v.28 no.5, pp.185-191
ISSN
1536-1284
출판사
IEEE
DOI
https://dx.doi.org/10.1109/MWC.001.2100002
협약과제
21ZH1100, 연결의 한계를 극복하는 초연결 입체통신 기술 연구, 박승근
초록
Large bandwidths at terahertz (THz) frequencies higher than 100 GHz have been garnering significant attention as key enablers for future wireless networks to provide data rates in the range of terabits per second, which is approximately one hundred times higher than the transmission rate of millimeter wireless systems. To fully utilize the merits of THz frequencies, devices with large operating bandwidths are highly desired. From this perspective, promising choices are photonic devices developed for fiber-optic communications, which have been commonly used since the early stages of THz communications research with different architectures and parameters. However, the factors limiting the performance of photonics-based THz systems have not yet been investigated thoroughly in terms of general system aspects. Here, we comprehensively analyze and compare various potential THz communications systems with a photonics-based THz transmitter. Based on modulation and optical light sources, we characterize the three most typical architectures and theoretically and experimentally analyze the impact of optical and phase noise on system performance.
KSP 제안 키워드
Communications system, Design considerations, Different Architectures, Early stages, Fiber-optic communications, Light sources, System performance, THz communications, THz frequency, Transmission Rate, Wireless network