Patent · US Expired

Cellular base station augmentation

US7236807B1 · kind B1 · utility

18Cited by
14References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 2000
Grant dateJun 26, 2007
Priority date
Expiry dateMay 13, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B7/0894
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A system and method of augmenting existing and operational base stations to include multiple diversity schemes and to render passive antenna elements active is presented herein. The passive antenna array of the existing base station is replaced with an active antenna array, consisting of an active radiator unit that includes an array of both receive and transmit antenna elements. The transmit and receive antenna elements of the active radiator unit, respectively, are connected to transmit amplifiers and bandpass filters located at a masthead or at the top of the building.

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