5G小型基站：面向智慧安全城市的下一代普适连接技术.pdf

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1、Dr.Hossam Fattah5G Small Cell:The Next Wave of Ubiquitous Connectivity for Smart and Secure CitySmart city connectivity5G Non-Terrestrial Networks(NTN)Lattice 5G satellite FPGA small cell solution5G satellite hardware architecture for satellite ORAN Small CellOCP SPECIAL FOCUS:OPENRAN5G Non-Terrestr

2、ial Networks(NTN)Provides ubiquitous connectivity to previously underserved and hard-to-reach areas(rural towns,islands,vessels at sea,deserts,drones,and airborne crafts)Pivotal in use cases for public safety,aviation,maritime,and mission-critical applicationsMore than 50%of the worlds population cu

3、rrently residing in urban settings(Cities)Wi-Fi and internet access everywhere are the main goalsSmart cities rely on millions of IoT sensors to collect real-time data from city systems and powerful AI and machine learning algorithms5G ORAN now supports NTN(a.k.a.satellite ORAN)where ORAN is incumbe

4、nt in the satellite system.5G NTN is used to deliver wireless connectivity to remote locations through the deployment of satellites/HAPS/drones.On the space side,two main groups are detected:NGSO(Non-Geosynchronous Orbit):LEO(Low Earth Orbit)300-1500 kmMEO(Medium Earth Orbit)7,000-25,000 kmGSO(Geosy

5、nchronous Orbit):35,786 km5G Non-Terrestrial Networks(NTN)PlatformsAltitude rangeOrbitBeam footprintMedium-Earth orbit(MEO)7000-25000 kmCircle around the earth100-1000 kmLow-Earth orbit(LEO)300-1500 kmCircle around the earth100-1000 kmGeostationary Earth orbit(GEO)35786 kmNational station keeps its

6、position fixed in terms of elevation/azimuth with respect to a given earth point200-3500 kmHAP20 kmFixed position in terms of elevation/azimuth with respect to a given earth point5-200 kmIoTAgriculture Energy&UtilitiesMiningOil and GasEnvironmentalTransport and CargoRenewable Energy5G NTN Use CasesD