Patent ID: 8913540
Filing Date: 2014-12-16
Classification: H04L,H04W

Abstract:
1. A method for transmitting first data from a first node to a second node and transmitting second data from said second node to said first node via a relay node, said method comprising, at the first node: first transmitting, by the first node, a request-to-send signal; first determining, by the first node, if a clear-to-send signal and a reverse direction transmission request signal have been received; second transmitting, by the first node, first data, a first block acknowledgement request signal and a reverse direction grant signal responsive to said first determination; second determining, by the first node, if a first block acknowledgement signal, said second data and a second block acknowledgement request signal have been received; third transmitting, by the first node, at least one of transmitting a relay node request to send signal to the relay node and a second block acknowledgement signal responsive to said second determination; third determining, by the first node, if a third block acknowledgement signal has been received and wherein said first determination further comprises determining if a relay node clear to send signal has been received; and fourth transmitting, by the first node, a fourth block acknowledgement signal responsive to said third determination.