| 摘要 |
A method is provided for a master device ( 601 ) to allocate channel time. The master device sends a polling frame ( 240 ) to a current destination slave device ( 602 ) and a current polled slave device ( 603 ). The polling frame includes a current destination slave device address ( 350 ), a current polled slave device address ( 360 ), and a current payload ( 330 ). The master device receives a poll acknowledgement frame ( 280 ) if the current polled slave device does not wish to transmit data. However, if no poll acknowledgement frame is received, the master device waits for a set duration then sets the current destination device address to be equal to a new destination device address, sets the current polled device address to be equal to a new polled slave device address, and sets a current payload to be equal to a new payload. This can be repeated until a channel time allocation ends.
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