Enhanced Reliability Using Adaptive Modulation Coding in the Cooperative Communication

Abstract: Recently, the wireless communication requires robust and spectrally efficient communication techniques for fading channel. Thus, for reliable communication, this paper proposes the enhanced adaptive modulation coding in the cooperative communication. The proposed scheme uses modulation coding according to the channel state. When the channel can be estimated and this estimate sent back to the transmitter, the transmission scheme can be adapted relative to the channel characteristics. The relay between source and destination uses precoding vector for efficient detection that the receiver recovers the received signal. The simulation results show enhanced performance compared with the conventional cooperative and adaptive modulation coding communication.