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Introduction to Mobile Computing - Coggle Diagram
Introduction to Mobile Computing
Principles of MC
Portability
Connectivity
Interactivity
Individuality
Component of MC
Mobile Communication
Mobile hardware
Mobile Software
Types
Mobile and Wired
Fixed and Wired
Mobile and Wireless
Fixed and Wireless
Issues
Wireless
Device Mobility
Security
Cellular Systems
BS
BSC
MSC
HLR
VLR
Signal Propagation
Ranges
Transmission
Detection
Interference
Antennas
Types
Simple Dipole
Directed
Sectorized
Diversity
Isotropic
Multiplexing
Space Division
Frequency Division
Time Division
Code Division
Spread Spectrum
Techniques
DSSS
FHSS
Features
Band occupies wide frequencies
Power density low
Energy is wide spread
Resistant to jamming