WN-CELLULAR CONCEPT

Why neighbouring stations are assigned different group of channels in cellular system?

• To minimize interference
  

• To minimize area
  

• To maximize throughput
  

• To maximize capacity of each cell

What is a cell in cellular system?

• A group of cells
  

• A group of subscribers
  

• A small geographical area
  

• A large group of mobile systems

Which of the following is a universally adopted shape of cell?

• Square
  

• Circle
  
  

• Triangle

• Hexagon

Actual radio coverage of a cell is called __________

• Fingerprint
  

• Footprint
  

• Imprint
  

• Matrix

Why the shape of cell is not circle?

• Omni directionality
  

• Small area
  

• Overlapping regions or gaps are left
  

• Complex design

What is a cluster in a cellular system?

• Group of frequencies
  

• Group of cells
  

• Group of subscribers
  

• Group of mobile systems

What is a frequency reuse factor for N number of cells in a system?

• N
  
  
  

• N²

• 2*N

• 1/N

Capacity of a cellular system is directly proportional to __________

• Number of cells
  

• Number of times a cluster is replicated
  

• Number of Base stations
  

• Number of users

The concept of repeating the same frequency is known as …………….. and the cells using the same frequencies are known as …………………..

• • Cell splitting, adjacent cells

• • Frequency reuse, adjacent channels cells

• • Frequency reuse, co-channel cells

• • Cell splitting, Cell sectoring cells

The main objective of cell in cellular mobile system is ---------

• Higher bandwidth

• Hand off

• Frequency reuse

• Modulation Techniques