Chapter 3: Location Determination and the Access Location Entity

Overview

This chapter describes how location is determined its, measurements, and their role in ascertaining location. A new network entity, the Access Location Entity (ALE), is defined to provide location measurements, and the Flexible LIS-ALE Protocol (FLAP) used for communication between the LIS and ALE is introduced.

This section provides background information necessary for the chapters that follow, which describe how location determination works within particular types of access networks.