Cross-Beam Retransmission in mmWave Networks

For fast transmission through a beam including potential retransmissions in mmWave wireless networks, we propose a cross-beam retransmission technique that enables the system to allow retransmissions through another beam. The cross-beam retransmissions also avoid the additional beam update procedure due to the user’s mobility. The reduced number of beam updates during retransmissions also leads to a lower data packet drop rate due to the beam alignment as well as a lower average transmission time between a transmitter and a receiver. Our simulation results show that the proposed scheme provides a lower data drop rate.