For this assignment: 1. Use the Internet to research how a mobile network is set up. 2. Create a simple diagram using PowerPoint or the drawing program of your choice that includes: A mobile device Mobile switching center (MSC) . Base station system (BSS) with at least two base station controllers (BSCs) and base transceiver stations (BTSs) . Home location register (HLR) . Visitor location register (VLR) . Public Switching Telephone Network (PSTN) Arrows that represent the flow of signals starting from the mobile device to the PSTN