How A Mobile Phone Network Works Mrs Bhayat

WALT (We Are Learning To) Understand how a mobile phone network works. What a control channel is. The process which takes place when we dial a number.

WILF (What I am Looking For) An understanding of the steps taken in order to phone a friend or relative. An understanding of what a Base Station and a Control Channel is, as well as their use while connecting.

What Do You Already Know? How a Mobile Network Works

This Should Work For this we shall need to log onto: ict.com/as_a2/topics/cellular_communi cation/mobile.htm

Lets Do A Role Play Of This BS-A BS-B Channel 2 Channel 1 Channel 3 Being used

Who Do We Need Role Playing Exercise 2 people to act as a Base Station 1 person to be the building 1 person to be a lonely friend who is waiting for a call 1 person who will be dialling a number from their mobile 1 person to connect the channel Equipment Needed 6 A2 sized coloured paper for Base Station to stand in the middle of. 4 plastic cups attached with string to act as phones and channel. 1 building printed on A4 paper. (Please check diagram on slide 6)

Plenary Lets look back at our objective on slide 2 have they been meet? Did you know that a Mobile Phone used to be called a Cell Phone, which it still is in some parts of the world e.g. America Cell Phone is short for Cellular Phone Cellular is the way the connection between your phone and your friends phone is made. Page 2

Something To Think About! a)Describe how a cellular network operates? a)State two features of a cellular network that can be used by a standard motorist? a)State two limitations of relying on a cellular phone to communicate in an emergency? Marks Altogether