COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

WIRELESS COMMUNICATION TECHNOLOGIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of antenna is used for center excited cells?
A
Sectored antenna
B
Omnidirectional antenna
C
Dipole antenna
D
Grid antenna
Explanation: 

Detailed explanation-1: -Normally, omnidirectional antennas are used in center-excited cells and sectored directional antennas are used in corner-excited cells.

Detailed explanation-2: -There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division, ‘’ they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.

Detailed explanation-3: -The basic geographic unit of a cellular system is a cell that conceptually has a hexagonal shape.

Detailed explanation-4: -Each cellular base station is allocated a group of radio channels to be used within a small geographic area called the ‘cell’. The design process of selecting and allocating channel groups for all of the cellular base stations within a system is called frequency reuse.

There is 1 question to complete.