5850-5895 MHz (UNII-4)

*RLAN (ex. WiFi)

- 하단 45 MHz 대역 (5850-5895 MHz) 할당

- Indoor / Outdoor Device 로 각 세부 요구 사항 의견 수렴 중

- 해당 대역의 *ITS *OBU 인증 불가

- 구체적인 Technical requirements 는 아직 정해지지 않았으나, *AFC system 도입은 현재는 논의된 바 없음

* RLAN: Radio Local Area Network Devices (ex. WiFi)

* ITS: Intelligent Transportation Systems. 지능형 교통망 (ex. C-V2X, DSRC)

* OBU: Onboard Unit 으로, 차량에 설치하는 단말기 (ex. 하이패스 단말기)

* RSU: Roadside Units 으로, 기지국처럼 도로에 설치하는 기기

5895-5925 MHz (차량용 V2X)

*ITS (ex. C-V2X, DSRC)

- 상단 30 MHz 대역 (5895-5925 MHz) 만 사용하도록 재 할당

- 기존 사용하던 DSRC 기술을 금지하고, C-V2X 기술만 허용 할지, 여부 의견 수렴 (*FCC가 현재 검토 중인 것과 동일)

- 제품 구분 및 용도

· OBU: Licensed-exempt (비면허) 용도로 진행

· RSU: Licensed (면허)로 할지, licensed-exempt (비면허)로 할지 의견 수렴 중

* RLAN: Radio Local Area Network Devices (ex. WiFi)

* ITS: Intelligent Transportation Systems. 지능형 교통망 (ex. C-V2X, DSRC)

* OBU: Onboard Unit 으로, 차량에 설치하는 단말기 (ex. 하이패스 단말기)

* RSU: Roadside Units 으로, 기지국처럼 도로에 설치하는 기기

RSS-139

1710-1780 MHz / 2110-2180 MHz

1710-1780 MHz / 2110-2200 MHz

RSS-170

- ATC* 용도 (Table 2)

DL 2000-2020 MHz / UL 2180-2200 MHz

*For ATC base station operating in frequency bands 2180-2200 MHz, please refer to RSS-139.

- ATC 용도 (Table 2)

*ATC: Ancillary terrestrial component.

A ground communications network complementary to and operating as a part of an integrated MSS system, and which, together with the satellite component, provides an integrated satellite offering. In such a system, the ground component is controlled by the satellite resource and network management system. Furthermore, the ground component uses the same authorized frequency band as the associated operating MSS system.

Base Station

1640 W/MHz e.i.r.p

(=62.15 dBm/MHz e.i.r.p)

Non-AAS Base Station: 65 dBm e.i.r.p /MHz

*AAS Base Station: 46 dBm TRP/MHz

Base Station(*1710-1780 MHz only): 30 dBm e.i.r.p

*AAS: Active Antenna System.

An antenna system where the amplitude and/or phase between antenna elements is dynamically adjusted resulting in an antenna pattern that varies in response to short-term changes in the radio environment. AAS may be integrated in a fixed or base station. Antenna systems used for long-term beam shaping such as fixed electrical down tilt are not considered an AAS.