Patent · US Expired

Communication system and method employing automatic repeat request

US7185256B2 · kind B2 · utility

58Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 2001
Grant dateFeb 27, 2007
Priority date
Expiry dateAug 16, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W52/54
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A communication system and method includes the steps of: a) transmitting an ACK signal indicating a received packet includes no error or a NACK signal indicating the received packet includes error from a reception end to a transmission end, and performing automatic repeat request; b) obtaining reliability of the received packet when demodulating it at the reception end; and c) reporting from the reception end to the transmission end the reliability of the received packet utilizing the ACK/NACK signal by using not less than three levels.

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