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:
Nov. 03, 2015
Filed:
Jan. 24, 2005
Pekka Hedqvist, Stockholm, SE;
Per Gunningberg, Uppsala, SE;
Mattias Hansson, Stockholm, SE;
Esbjörn Köhler, Enköping, SE;
Jonne Kodu, Stockholm, SE;
Pekka Hedqvist, Stockholm, SE;
Per Gunningberg, Uppsala, SE;
Mattias Hansson, Stockholm, SE;
Esbjörn Köhler, Enköping, SE;
Jonne Kodu, Stockholm, SE;
OPTIMOBILE AB, Kista, SE;
Abstract
The present invention relates to a method, call handling server (), local wireless network () and computer program product for performing vertical handover of a wireless voice connection, which is a part of a voice connection set up between a portable communication () device and another device. The network comprises a number of access points () and the call handling server () for controlling voice connections to the portable device. The server comprises a control unit () that determines a handover situation for the wireless connection to the portable device based on a set of handover factors that comprise the position and movement of the portable communication device in an area of the local network and structural layout information of the area together with knowledge of where in this area there is insufficient coverage.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile