Chapter Questions
How the geographical location of a mobile unit is expressed? What is the reference point? 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. Assume that HLR is stored at a central location.
What do you understand by the term "handing over the channel?" When is this process necessary?
Clearly explain the difference between a hard and a soft handoff. Explain different ways of processing a handoff.
In how many different modes a cell phone may enter? Explain the activity of the cell phone in each of these modes.
Explain different schemes of location management and discuss their advantages and disadvantages.