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WC - 3 Communication Process & Technologies, CDMA, Telecommunication…
WC - 3
Communication Process &
Technologies
The Transmission Model
Encode
Multiplex
3.Modulate
Transmit
Receive
Demodulate
Demultiplex
Decode
Network Design
Planning
Capacity Planning
Monitoring
Updating
Optimizing
Efficient Spectrum Use
Optimize Band Allocation
Dynamic Spectrum Sharing
Adaptive Frequency Selection
Spectrum Sharing
Smart Antennas
Advanced Technologies
MIMO
CDMA
Code Division Multiple Access
Same frequency for all
Unique Code for each client
Dynamic Spectrum Sharing
(May allocate entire spectrum to the customer)
Higher Spectrum Efficiency
Telecommunication
Model
Components
Modulator / Demodulator
Transmitter
Receiver
Antenna
Medium
Modulation
Amplitude Shit Keying
(ASK)
Frequency Shift Keying
(FSK)
Phase Shift Keying
(PSK)
QAM --> ASK + PSK
Multiplexing
Time Division
Time slots for multiple channels.
For sharing a single communication channel
Entire bandwidth can be used in a given time.
Frequency Division
Divide bandwidth into smaller frequency bands