01-01-2013, 04:10 PM
SMART ANTENNA SYSTEMS
SMART ANTENNA SYSTEMS.ppt (Size: 402 KB / Downloads: 45)
Smart Antenna Array
antenna array with a digital signal processing capability to transmit and receive in an adaptive and spatially sensitive manner.
USAGE
Applications to:
cellular and wireless networks
radar
measure to electronic jamming
satellite systems
WHY SMART ANTENNA ARRAYS?
Higher Capacity
Higher Coverage
Higher bit rate
Improved link quality
Spectral efficiency
Mobility
Elements of a Smart Antenna
number of radiating elements
a combining/dividing network
control unit
Types of Smart Antennas
simplest technique
comprises only a basic switching function between separate directive antennas or predefined beams of an array