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Boingo Awarded a Patent For Hotspot Access
Boingo has scored a patent for accessing a Wi-Fi hotspot by a mobile device. The patent, no. 7,483,984, was issued in January, but Boingo only started talking about it recently. The patent application was filed in December 2002. According to the company, the methods covered by the patent include: "...accessing wireless carrier networks by mobile computing devices, where a client software application hosted by the device accesses carrier networks using wireless access points. For example, when a computer — or netbook, smartphone or any other Wi-Fi-enabled device — is in a location where there are multiple signals, the patented technology looks at each signal and alerts the user which signal will work, showing the signal as an understandable name and ID for the user.The patent covers all wireless technologies and spectrums, as well as any mobile device that access wireless hotspots." The company is not saying anything about whether or how they will attempt to wield this patent.
There is one key element of the claims that no OS or device that I'm familiar with implements. Specifically, the list of wireless networks presented to the user must include "getting carrier network information from an access point database by the access client using the plurality of carrier network identifiers, wherein the carrier network information includes information indicating whether the access client is authorized to access a carrier network..." In short, the list of networks must include whether or not the client is authorized to access each network.
To my knowledge, no OS or device does this inherently. They may show that the network is encrypted or that it requires a username and password, but those say nothing about whether the client is authorized (i.e., allowed or permitted) to access the network. Even software that shows that a user is currently connected to a network that requires authentication only implies authorization and then only to that network, not any others.
So, as I read the patent, most existing software does not seem to infringe. One possible infringer might be the Easy Wi-Fi app for the iPhone, but it has been made obsolete by iPhone OS 3, which auto-authenticates with AT&T hotspots.