How do you compare the functionality of an earth station with the corresponding unit in the cellular system?
What will be an ideal response?
The corresponding unit in cellular system is base station subsystem (BSS). In cellular system, BSS includes base station and mobile switching center (MSC). Mobile station communicates with the base station and the base station connects to the MSC which connects to the PSTN. Base station controls and allocates the wireless channels. In satellite system, a mobile station communicates with the satellites and the earth station connects to gateways which connect to the PSTN. Earth station also provides control and allocation for the wireless channels. Earth Station also includes HLR/VLR functionalities, which provide mobility management.
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