How is the geographical location of a mobile unit expressed? What is the reference point for identifying this location? Develop a simple scheme for identifying the geographical location of a mobile...

How is the geographical location of a mobile unit expressed? What is the reference point for identifying this location? Develop a simple scheme for identifying the geographical location of a mobile unit in a cell

What do you understand by the term location management? Describe the steps of a location manager to identify the location of a mobile unit. (Hint: Assume that the HLR is stored at a central location.)