Location services in WiMax networks

Location-based services have become a requisite feature for most wireless networks. There are two primary use cases: newer applications such as navigation, tracking of assets and personnel, and Points of Interest lookup, and emergency services (e.g., E911), where the user´s location is reported to the public safety answering point from which emergency responders are dispatched. Within this space of applications, location accuracies ranging from less than 5 m to hundreds of meters may be acceptable, depending on the specific use case. This article presents the end-to-end framework for location-based services in WiMAX technology, including both the mobile managed location approach with minimal network support as well as different network managed location solutions with assistance from mobile stations.