Patent · US Expired

Supporting emergency calls on a wireless local area network

US8145182B2 · kind B2 · utility

27Cited by
21References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 2005
Grant dateMar 27, 2012
Priority date
Expiry dateMay 9, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W76/50
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A device for identifying an emergency call in a wireless local area network includes an indicator to identify a call as an emergency call. The indicator can be a bit flag or an information element. The information element can include location information regarding the location of the station that placed the emergency call. This information can be used to located the caller. The location information can be transmitted from the station to an access point separately from an emergency call.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.