Method for polling in a medium access control protocol

Details Method for polling in a medium access control protocol Method for polling in a medium access control protocol

2005-01-18

2009-06-16

Mattis, Jason E (Department: 2416)

Multiplex communications

Channel assignment techniques

Polling

C370S450000, C370S462000

Reexamination Certificate

active

07548552

ABSTRACT:
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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International Search Report for related PCT application issued Sep. 5, 2007.

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