Patent · US Expired

Inroute training in a two-way satellite system

US7656813B2 · kind B2 · utility

16Cited by
12References
29Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 14, 2001
Grant dateFeb 2, 2010
Priority date
Expiry dateMar 15, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W84/06
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

An approach for ranging in a radio frequency communications system is disclosed. A transmission channel class that includes at least one of transmission rate, modulation scheme, coding scheme, and transponder footprint is selected by a terminal. The terminal transmits a ranging message according to the selected transmission channel class over a channel. The transmission channel class is selectively modified based upon characteristics of the channel. Accordingly, an optimal transmission channel class is determined for a particular terminal. The above approach has particular applicability to a two-way satellite communications system.

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