Table 1 Comparison of wireless mesh networks in Germany.
From: Challenges in Second-Generation Wireless Mesh Networks
Evaluation | Parameter | MagNets | Freifunk Berlin | Freifunk Weimar |
|---|---|---|---|---|
Technical | Deployment | Planned | Community | Planned community |
Architecture | 2-tier | 1-tier | 2-tier | |
Mode | 802.11super a/g | 802.11bg | 802.11abg | |
Antennas | Omni-/directional | Omni- | Omni- | |
Backhaul | Directional, freq. separated | N.A. | Freq. separated | |
Bandwidth | <62 Mbps | <13 Mbps | <15 Mbps | |
Number of nodes | 100 | 800+ | 150 | |
Number of gateways | Variable (up to 80) | 15 | 15 | |
Gateway line speed | 100 Mbps | 1–16 Mbps | 1–6 Mbps | |
Average nodes per gateway | 1–5 | 55 | 15 | |
Economics | Deployment | Planned | Community | Planned community |
Cost per node | >300 $ | 50$ | 50$ | |
Social | Line lease | University | Users | Community |
AP authentication | List | Free | List/trust | |
User authentication | 802.1x | Free | List/trust | |
Firmware distribution | Central | Distributed | Central | |
Firmware status | Homogeneous | Heterogeneous | Homogeneous | |
Services | Internet, IPTV, etc. | Internet | Internet |