摘要 |
A method for receiving acknowledgements from plural wireless communication devices is described. A first acknowledgement message addressed to the plural wireless communication devices is transmitted. The first acknowledgement message indicates for each wireless communication device a period within which that wireless communication device should transmit a device acknowledgement message. A device acknowledgement message is received from each of the plural wireless communication devices. The device acknowledgement message is transmitted within the period indicated for that wireless communication device to transmit its device acknowledgement message. Other aspects, embodiments, and features, are also claimed and discussed. |