How does Wi-Fi interoperate with WiMAX and LTE?
A. We don’t have formal testing programs, but normally you would use WiMAX and LTE as the backhaul and use Wi-Fi for the last 100 feet [of connectivity]. The other scenario is the Clearwire model (www.clearwire.com; a company starting to provide WiMAX services), where you have WiMAX available directly to the device. We are definitely expecting to see WiMAX act as a backhaul to Wi-Fi and even wired networks where there isn’t a wired infrastructure available in the area. Today, we do have a testing program that makes sure the radios that coexist in a single device get along. In other words, if you take a handset that has a cellular radio and Wi-Fi radio in it, we run a testing program that creates a detailed report a carrier can use. The report looks at things like cellular and Wi-Fi performance at a detailed level, such as receive sensitivity and transmit power. And there are good coexistence mechanisms in place. As we move into the future, all of these devices will have multiple radios
