The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2013
Filed:
Jan. 24, 2011
Mingxing LI, San Jose, CA (US);
Peter HU, Pleasanton, CA (US);
Xuming Chen, San Ramon, CA (US);
Priscilla Lau, Fremont, CA (US);
Mingxing Li, San Jose, CA (US);
Peter Hu, Pleasanton, CA (US);
Xuming Chen, San Ramon, CA (US);
Priscilla Lau, Fremont, CA (US);
Verizon Patent and Licensing Inc., Basking Ridge, NJ (US);
Abstract
A device receives, from an emergency call server (ECS), a query that includes a telephone number, a femto global positioning system (GPS) identifier, and an Internet protocol (IP) address associated with a user equipment (UE) placing an emergency call. The device obtains a serving cell E-UTRAN cell global identifier (ECGI) of the UE based on the query, and determines whether the ECGI is a macro ECGI associated with a base station or a femto ECGI associated with a femto cell.