| 摘要 |
A wireless network comprising a source node (2), a destination node (8) and at least a first relay node (4, 6) is arranged to determine a first measure of signal quality relating to a direct link between the source node (2) and the destination node (8), and a second measure of signal quality relating to a link between the source node (2) and the destination node (8) via at least the first relay node (4, 6). At a relay node (4, 6), a duration of a recruitment slot (12, 14) is determined, within which the relay node (4, 6) may transmit a recruitment message (38, 40) indicating availability of the relay node (4, 6) to relay. The recruitment slot duration is determined on a basis comprising the first measure of signal quality. In this way, the recruitment of cooperative relays (4, 6) may be dependent on the signal quality of the direct link from the source node (2) to the destination node (8). Physical (PHY) layer cooperative Medium Access Control (MAC) for Wireless Networks.
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