Patent · US Expired

Method and apparatus for received uplinked-signal based adaptive downlink diversity within a communication system

US7095987B2 · kind B2 · utility

38Cited by
13References
53Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2001
Grant dateAug 22, 2006
Priority date
Expiry dateMay 18, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B7/10
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A first downlink transmission beam and a second downlink transmission beam is determined based on a received user-derived signal. The first downlink transmission beam is substantially uncorrelated with the second downlink transmission beam. The first downlink transmission beam is associated with a portion within a first sector. The second downlink transmission beam is associated with a portion within a second sector. A first signal is diversity encoded to produce a first diversity-encoded signal. A second signal is diversity encoded to produce a second diversity-encoded signal. The first diversity-encoded signal is sent over the first downlink transmission beam. The second diversity-encoded signal is sent over the second downlink transmission beam.

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