Comunicações Móveis

Redes E Sistemas Autónomos Comunicações Móveis Segurança Em Redes De Comunicações Sistemas Operativos E De Tempo-real

Comunicações Móveis
The Communication Network
Wireless Systems
Physical Layer
Satellite Networks
Mobile Networks
Bluetooth, Wireless Sensor Networks, ZigBee
- Bluetooth
- Wireless Sensor Networks
Cellular Networks
Software and Virtualization Technologies in Mobile Communication Networks

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Types of Wireless networks
Comparison Between Wireless Technologies
Wireless Technologies (@~2000)
Standardization
Frequency Bands

Wireless networks

PreviousCell Next802.11

Last updated 2 years ago

Networks are designed according to the number of users and coverage area.

In wireless networks there are several scales on number of users and coverage area.

Personal: PANs → Bluetooth
Local: LANs → IEEE 802.11
Regional: WANs → GSM, UMTS
Worldwide : Sattelite → Iridium

Types of Wireless networks

Comparison Between Wireless Technologies

Wireless Technologies (@~2000)

Standardization

Wireless networks are standardized by IEEE.

Under 802 LAN MAN standards committee.

Frequency Bands

Industrial, Scientific, and Medical (ISM) bands.

Unlicensed, 22 MHz channel bandwidth