Abstract
Enhanced 9–1–1 (E9–1–1) service has proliferated in the U. S. wireline marketplace. Today, E9–1–1 relays the caller's location, name, and telephone directory number to the dispatch telecommunicator and provides accurate 9–1–1 call routing to the appropriate emergency dispatch center. In practice, E9–1–1 service improves the overall response time for dispatching emergency personnel to the scene. Unfortunately for wireless users, E9–1–1 has not evolved with this same level of service to support the mobile nature of wireless telecommunications. Recently, the Federal Communications Commission (FCC) developed requirements for enhanced wireless 9–1–1 service to improve this situation. These requirements are described in the Report and Order and Further Notice of Proposed Rulemaking, FCC Docket No. 94–102. The FCC has proposed a two-phase implementation timeline. Phase 1 requires that the wireless network provide the user's call-back number and the geographic area associated with the cell/sector handling the call. Phase 2 requires the caller's location to be reported with a much higher degree of accuracy. This paper presents an evolution plan that will apply state-of-the-art technology to solving today's wireless E9–1–1 shortcomings, and it discusses how E9–1–1 will lead to new service opportunities in the future.
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