Patent · US Expired

System and method for antenna diversity using equal power joint maximal ratio combining

US6785520B2 · kind B2 · utility

110Cited by
55References
61Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 2002
Grant dateAug 31, 2004
Priority date
Expiry dateAug 24, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W52/42
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An equal gain composite beamforming technique which constrains that the power of the signal output by each antenna is the same, and is equal to the total power of the transmit signal divided by the number N of transmit antennas from which the signal is to be transmitted. By reducing output power requirements for each power amplifier, the silicon area of the power amplifiers are reduced by as much as N times (where N is equal to the number of transmit antennas) relative to a non-equal gain CBF.

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