2019-12-04
org.kosen.entty.User@28382aa7
노형미(october18)
- 초록
- As a way to further expand and enable the 5G ecosystem, the 3rd Generation Partnership Project (3GPP) is considering the development of a 5G new radio (NR)-based non-terrestrial network (NTN). These NTNs are expected to provide ubiquitous 5G services to user’s equipment (especially, in Internet of Things/machine-type communications (IoT/MTC) public safety, and critical communications) by extending service coverage to areas not covered by 5G terrestrial networks. To this end, this NTN is developing scenarios to provide 5G services using spaceborne vehicles, such as geosynchronous and low-Earth orbit satellites, and airborne vehicles, such as unmanned aircraft systems, including high-altitude pseudo-satellites. In addition, various technologies are being studied to satisfy new requirements not considered in 5G NR, such as long propagation delay time, large cell coverage, large Doppler effect, and base station movement. In this paper, we present the scenarios, requirements, technical issues and solutions, and standardization planning for NR-based NTN in 3GPP.
- 저자
- 김지형무선분산통신연구실savant21@etri.re.kr
윤미영무선분산통신연구실myyun@etri.re.kr
유덕현무선분산통신연구실dhyou@etri.re.kr
이문식무선분산통신연구실moonsiklee@etri.re.kr
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