Null indication in a shared robust scheme

Details Null indication in a shared robust scheme Null indication in a shared robust scheme

2008-10-30

2011-10-18

Tran, Phuc (Department: 2471)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S338000, C370S458000

Reexamination Certificate

active

08040871

ABSTRACT:
A method implemented on a network node includes receiving an adjustable schedule of transmission start slots, the slots representing opportunities for initiating data transmission by at least one network device on a network, transmitting an expected duration indication in each slot associated with the network node as per the schedule, and adjusting the schedule in accordance with the expected duration for each transmission. A method for virtual carrier sensing includes receiving a schedule of transmission start slots on a network node, the slots representing opportunities initiating data transmission by at least one network device in a network, listening for transmissions by other network nodes according to the schedule, the transmissions indicating an expected length of a current transmission, adjusting the schedule in accordance with the indicating of a data transmission, and ignoring any subsequent transmissions until a next scheduled transmission start slot in accordance with the adjusted schedule.

REFERENCES:
patent: 5359320 (1994-10-01), Jaffe et al.
patent: 7133423 (2006-11-01), Chow et al.
patent: 7408949 (2008-08-01), Baum
patent: 7603146 (2009-10-01), Benveniste
patent: 2004/0141517 (2004-07-01), Balasubramanian et al.
patent: 2007/0064720 (2007-03-01), Sterenson

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