1. Mobile Handset Networking Overview
2018/9/13

2. Mobile Handset Networking
Handsets communicate with each other and with service providers via many networking technologies
There are two “classes” of these technologies:
Cellular telephony
Wireless networking
Most handsets support both, some also support physical connections such as USB

3. Wireless Communication Channels
Name
Distance
Frequency
Data Rate (down)
GSM
35 km
850, 900, 1800, 1900 MHz
80 kb/s (GPRS), 236 kb/s (EDGE)
LTE
30 km–100 km
700 MHz–2.6 GHz
>100 Mb/s
WiFi
100 m
2.4 GHz (802.11b/g), 5 GHz (802.11a)
54 Mb/s
2.4 GHz, 5 GHz
450 Mb/s
Bluetooth
10 m
2.4 GHz, Frequency Hopping
2.1 Mb/s (up to 24 Mb/s)
NFC
< 4 cm
13.56 MHz
106 kb/s–424 kb/s 3

4. Components Wireless communication protocols TCP/IP over wireless
Localization
Power management
Mobile content sharing
Mobile social networking
Security and Privacy
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