Yesterday’s Superbowl attendees could reportedly access free Wi-Fi while in the stadium. This Fiercebroadbandwireless article discusses security measures at the stadium to protect the 802.11n frequencies from interference during the game. Apparently at least 700 wireless access points were deployed within the stadium, theoretically providing enough aggregate bandwidth for 30,000 users. Total attendance was about 71,000. Verizon Wireless paid for the installation.
I’d guess that the way to ensure that this works with minimal “intra-cell” interference would be to deploy many hundreds of wireless access points (APs), reduce each AP’s transmit power to a low value (thus creating “micro-cells”), and coordinate AP frequencies so that adjacent “cells” don’t share common frequencies.
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© Russ Bellew · Fort Lauderdale, Florida, USA · phone 954 873-4695