Patent · US Expired

Method and apparatus for seamless mobility between different access technologies

US6826154B2 · kind B2 · utility

111Cited by
14References
82Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 2001
Grant dateNov 30, 2004
Priority date
Expiry dateDec 25, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W80/04
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The present invention includes a method and device to support hand off of a session between a mobile terminal and a server, while continuing the session. One aspect of the invention is a method involving a first entity having an IP stack and a second entity having an IP stack. These entities support a hand off from one access technology to another, wherein the different access technologies are differentiated by a characteristic such as their physical layer. Particular aspects of the present invention are described in the claims, specification and drawings.

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