Broadband LEO Satellite Communications_ Architectures and Key Technologies

ThisarticleaimstoprovideacomprehensiveoverviewforkeyissuesinbroadbandLEOsatellitecommunicationsystems.Firstofall,thenetworkarchitectureisintroduced,whichisthebasisofthewholesystem.Thespace-basedLEOsystemwithISL,whichrequiresasmallnumberofgroundgateways,isthefocus.Inthissystem,the