How A Mobile Phone Network Works

1
How A Mobile Phone Network Works

• Mrs Bhayat

2
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.

3
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.

4
What Do You Already Know?
How a Mobile Network Works
5
This Should Work

• For this we shall need to log onto
• http//www.teach-ict.com/as_a2/topics/cellular_com
  munication/mobile.htm

6
Lets Do A Role Play Of This
BS-A
BS-B
Being used
Channel 1
Channel 2
Channel 3
Being used
7
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)

8
Plenary
Page 2

• 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.

9
Something To Think About!

• Describe how a cellular network operates?
• State two features of a cellular network that can
  be used by a standard motorist?
• State two limitations of relying on a cellular
  phone to communicate in an emergency?

Marks Altogether