Patent · US Expired

System implementing closed loop transmit diversity and method thereof

US7010055B2 · kind B2 · utility

9Cited by
11References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 2002
Grant dateMar 7, 2006
Priority date
Expiry dateDec 10, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B7/0656
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A method of and apparatus for adapting an antenna array for closed loop transmit diversity, the method comprising: receiving an adapting signal corresponding to an antenna array weighting pattern for a time period; demodulating the adapting signal to provide a symbol for the time period; determining a preferred symbol from the symbol for the time period and a previous symbol for a previous time period; and transmitting with an antenna array weighting pattern corresponding to the preferred symbol.

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