In this hotspot Wi-Fi architecture, wireless users in each hotspot are authenticated by the AG and the backend RADIUS server (i.e., WiNOC) residing in the WISP headquarter. Authentication is based on the Web redirection technology as well. By Web redirection, WISP can force its subscribers trying to wirelessly access the Internet to see online advertisements, so that additional revenues are possible by selling advertisement spaces on the Web page shown after successful authentication. For a small hotspot, an AG with built-in AP functionality is enough to provide full RF coverage in the venue. For a larger hotspot, several APs may be needed to provide complete RF coverage. If the APs support the IEEE 802.3af PoE (Power over Ethernet) standard, power can be supplied through Ethernet cables from a PoE hub/switch rather than by alternate current (AC). Therefore, power cabling is not necessary; only Ethernet cabling is needed. Thus cabling costs can be reduced. Another benefit of employing PoE is when any AP hangs up due to firmware bugs, PoE can be used to restart the AP.
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Latest updated: 2021/09/10