Question

Adjacent channel interference can be minimized through _______

(a) Changing frequency of base stations

(b) Careful filtering and channel assignments

(c) Increasing number of base stations

(d) Increasing number of control channels

The question was asked at a job interview.

The above asked question is from Interference and System Capacity in section The Cellular Concept – System Design Fundamentals of Wireless/Mobile

Answer 1

The correct choice is (b) Careful filtering and channel assignments

Explanation: Adjacent channel assignment can be minimized through careful filtering and channel assignments. Each cell is given only a fraction of the available channels, a cell need not be assigned channels which are all adjacent in frequency.