Patent · US Expired

Channel scan in cellular telephone system

US5613208A · kind A · utility

43Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1994
Grant dateMar 18, 1997
Priority date
Expiry dateJun 6, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D30/70
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for controlling scanning of radio channels by mobile stations in a cellular radiotelephone system, including transmitting from a base station a control signal, e.g., a battery savings order, to a group of mobile stations for informing the group of mobile stations that no pages will be issued directed to them for a predetermined period, upon receipt of which the mobile stations begin scanning during the predetermined period radio channels to identify which radio channels have superior characteristics, and storing the channels identified to have superior characteristics for later use as respective access and control channels.

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