Patent · US Expired

Method and apparatus for pilot signal transmission

US7426175B2 · kind B2 · utility

77Cited by
5References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 2004
Grant dateSep 16, 2008
Priority date
Expiry dateMar 30, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04J13/16
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

Pilot sequences are constructed from distinct “classes” of chirp sequences that have an optimal cross correlation property. Utilization of chirp sequences for pilot sequences results in pilot sequences that have optimal or nearly-optimal cross correlation and auto-correlation properties.

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