Poll scheduling for periodic traffic sources

Details Poll scheduling for periodic traffic sources Poll scheduling for periodic traffic sources

2003-09-29

2009-06-16

D'Agosta, Stephen M (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S310200, C370S437000, C370S441000, C370S442000, C370S443000, C370S445000, C370S447000, C370S448000, C455S450000, C455S452100, C455S452200, C455S453000, C725S009000, C725S014000, C725S016000

Reexamination Certificate

active

07548531

ABSTRACT:
An apparatus and method for polling stations that transmit periodic traffic streams are disclosed. The illustrative embodiment polls the station in accordance with a polling schedule that is generated to reduce the delay between (i) when the station queues a frame, and (ii) when the station transmits the frame. This reduces the waiting time of the frame in the station, and is, therefore, especially advantageous for latency-sensitive applications such as voice and video telecommunications. In accordance with the illustrative embodiment, a station that expects to periodically queue a frame for transmission sends a polling request to the polling coordinator, which request enables the polling coordinator to generate an advantageous polling schedule.

REFERENCES:
patent: 5737330 (1998-04-01), Fulthorp et al.
patent: 2002/0093953 (2002-07-01), Naim et al.
patent: 2003/0198244 (2003-10-01), Ho et al.

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