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:

http://www.teach-ict.com/as_a2/topics/cellular_communication/mobile.htm

Lets Do A Role Play Of This

BS-A BS-B

Channel 2

Channel 1

Channel 3Being used

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.

Page2

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