Poll scheduling for periodic uplink and downlink traffic

Details Poll scheduling for periodic uplink and downlink traffic Poll scheduling for periodic uplink and downlink traffic

2005-12-27

2005-12-27

Nguyen, Brian (Department: 2661)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S449000, C370S508000

Reexamination Certificate

active

06980542

ABSTRACT:
An apparatus and method for polling stations that transmit and receive periodic traffic streams are disclosed. The illustrative embodiment determines when to transmit a frame comprising a data payload and a poll to a station based on (i) the temporal period and temporal offset of the traffic stream transmitted by the station, and (ii) the temporal period and temporal offset of the traffic stream received by the station, such that delays for either the transmitted traffic stream or the received traffic stream are reduced. The present invention is particularly advantageous for latency-sensitive applications such as voice and video telecommunications.

REFERENCES:
patent: 6654957 (2003-11-01), Moore et al.
patent: 6747968 (2004-06-01), Seppala et al.
patent: 2003/0081588 (2003-05-01), Simbirski et al.
patent: 2003/0137986 (2003-07-01), Kaku et al.
patent: 2003/0149971 (2003-08-01), Basil et al.
patent: 2003/0198244 (2003-10-01), Ho et al.

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