Patent ID: 8224238
Filing Date: 2012-07-17
Classification: H04B,H04L

Abstract:
1. A communication method used in a communication system having a transmission apparatus, a relay station apparatus and a reception apparatus, the method comprising: a transmission step of transmitting a transmission signal from the transmission apparatus to the relay station apparatus; a first relay step of transmitting an amplify and forward relay signal obtained from the transmission signal transmitted in the transmission step, from the relay station apparatus to the reception apparatus; a requesting step of transmitting a retransmission request of the transmission signal from the reception apparatus based on a reception result of the amplify and forward relay signal transmitted in the first relay step at the reception apparatus; and a second relay step of transmitting a decode and forward relay signal obtained from the transmission signal transmitted in the transmission step from the relay station apparatus to the reception apparatus when the retransmission request is transmitted in the requesting step.