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:
Jun. 06, 2000
Filed:
Oct. 22, 1997
Applicant:
Inventor:
Daniel Dufour, Blainville, CA;
Assignee:
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
455422 ; 455432 ; 455433 ;
Abstract
A system and method of restricting an on-going call of a fixed subscriber to a fixed subscription area (FSA) in a cellular telecommunication system having a plurality of cells and a plurality of subscribers. The plurality of subscribers includes at least one fixed subscriber assigned to the FSA and engaged in an on-going call in a serving cell. The system and method detect when the fixed subscriber is crossing a cell border between the serving cell and a neighbor cell, determine whether the neighbor cell is located in the FSA, and drop the on-going call of the fixed subscriber upon determining that the neighbor cell is located outside the FSA.