Andrew WiMAX Location Information Server (LIS) Overview
This paper focuses on Andrew Corporation’s Internet location solution for WiMAX using network measurements and A-GPS. Its application for VoIP 911 is described as well.
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The US NENA-defined i2 architecture (see below) provides a globally applicable and interoperable template for implementing VoIP emergency call routing and location delivery to legacy emergency infrastructure. Because of this, the i2 architecture is gaining traction around the world. The LIS is a critical functional element of the i2 architecture, as well as future end-to-end IP systems. It is defined as being derived by the access network, and is the provider of the location information to be used for emergency services treatment.
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