Patent · US Expired

Mobile communication system and repeater used in the mobile communication system

US6804491B1 · kind B1 · utility

69Cited by
16References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 28, 2000
Grant dateOct 12, 2004
Priority date
Expiry dateNov 28, 2020

Classification

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

Abstract

When a base station 205 employs frequencies f1, f2 and f3, repeaters 201 to 204 provided with filters passing only f1 are placed. According to this configuration, repeater apparatus causes only f1 to be passed to reach in the distance so as to enlarge cells 207 to 210 according to only specific channel (frequency f1).

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