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There was no WiFi signal when on the desk in front of the window in my room, but after some experiments, I discovered that the signal was quite good... on the ceiling of the bathroom," emailed Marc Petit-Huguenin.
"I have a Nexus S phone, so I taped it on the ceiling of the bathroom, and used tethering over Bluetooth to bridge the gap to the desk," he explained. This is a slow connection, but good enough to send emails over SMTP or use vi [the popular Unix text editor] over SSH."
Working behind the scenes, a team of IETF attendees negotiated with the hotel and were granted access to the wireless network by Sunday night. "[W]e've done a variety of configuration tests and changes," he wrote. "We believe we have improved the situation for most hotel guests. However, there may be instances where our changes (due to some holes in our understanding of where exactly some of the APs are located, for example) have made things worse in specific areas."