Patent · US Expired

Controlling communications between stations

US7664265B2 · kind B2 · utility

3Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 2001
Grant dateFeb 16, 2010
Priority date
Expiry dateOct 12, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W36/12
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to relocation of the control of communication between a first station and a second station from a first communication system controller to a second communication system controller. The communication is ciphered by means of a first ciphering key. In the method, after the initiation of the relocation of control of the communication from the first controller to the second controller a request for relocation is transmitted to the second controller. The request contains the first ciphering key and at least one other ciphering key.

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