Patent · US Active

Inter-system handoffs in multi-access environments

US8644247B2 · kind B2 · utility

3Cited by
10References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 18, 2007
Grant dateFeb 4, 2014
Priority date
Expiry dateDec 26, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W92/02
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Systems and methods according to these exemplary embodiments provide for handing off user equipment between different access networks, e.g., a high rate packet data (HRPD) system and a long term evolution (LTE) system. An existing mobile IP session can be maintained by the UE during the handoff.

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