- 802.16 WiMax
- IEEE (Institute of Electrical and Electronics Engineers)802.16 is a family of wireless broadband standards.
- Commonly known as WiMAX.
- Designed to provide high-speed wireless broadband access over long distances.
- Supports both fixed and mobile broadband connectivity.
- 802.20 MBWA
- IEEE 802.20 is known as Mobile Broadband Wireless Access (MBWA).
- Designed specifically for high-speed mobile users unlike WiMAX which started as fixed access.
- Developed to operate efficiently at vehicular speeds (up to 250 km/h).
| Feature | 802.16 (WiMAX) | 802.20 (MBWA) |
|---|---|---|
| Focus | Fixed and mobile broadband | High-speed mobile broadband |
| Frequency Range | 2–11 GHz, 10–66 GHz | Below 3.5 GHz |
| Mobility Support | Basic mobility (802.16e) | High mobility (up to 250 km/h) |
| Architecture | Point-to-multipoint | Cellular-like |
| Data Rate | Up to 70 Mbps | 1 Mbps uplink / 4 Mbps downlink |
| Primary Use Cases | Rural broadband, backhaul | Mobile access, in-vehicle internet |