Patent · US Expired

Intersystem handover

US6725058B2 · kind B2 · utility

41Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 2001
Grant dateApr 20, 2004
Priority date
Expiry dateJan 24, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W36/14
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Inter-system handover, for instance from WCDMA to GSM, is facilitated by transmitting a pilot from each neighboring GSM cell on the WCDMA carrier, thereby avoiding any need for a dual-system mobile station.

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