Chapter 8: Wireless, Mobile Computing, and Mobile Commerce

Wireless Technologies

Microwave, Satellite, Radio = wireless transmission media, GEO, MEO, LEO satellites differ in orbit and latency.

Wireless Networks

Short-Range: Bluetooth, UWB, NFC
Medium-Range: Wi-Fi, Wi-Fi Direct, MiFi, Super Wi-Fi
Wide-Area: Cellular (1G–5G), WiMAX

Mobile Computing

Real-time connection between mobile devices and other computing environments

M-Commerce (Mobile Commerce)

Conducting EC transactions via wireless environment. Applications: Location-based services, financial services, intrabusiness, telemetry.

Internet of Things (IoT)

Network of physical objects embedded with sensors and software that exchange data.
Applications: Smart homes, healthcare, supply chain, energy, agriculture

Bluetooth

Short-range communication between devices

Wi-Fi

Medium-range wireless networking technology.

5G

Fifth-generation cellular standard offering high speed and low latency.

WiMAX

Broadband wireless access up to 31 miles.

GPS

 Global Positioning System; uses MEO satellites for navigation.

M2M (Machine-to-Machine)

Direct communication between devices.

RFID (Radio Frequency Identification)

Uses radio waves to track items.

Dematerialization

Combining several physical devices into one (e.g., smartphone).