Emergency packet transmission allocation within time multiplexed channel hopping for LLNs

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10587501
APP PUB NO 20190363976A1
SERIAL NO

15986934

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Abstract

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A network device establishes a depth-aware communication schedule for one or more nodes in a data network having a routing topology comprising a root node, the establishing including selecting from a slotframe of the depth-aware communication schedule a first subset of timeslots based on the depth, and allocating to each timeslot in the first subset an exclusive role (a transmit operation, a receive operation, or an idle state) for one or more of the nodes at the corresponding depth; the network device identifies one or more idle states in the depth-aware communication schedule, and selects a second subset of timeslots from the idle states as in-case-of-emergency timeslots, based on the network device identifying in the second subset a corresponding timeslot at a neighboring depth being allocated a corresponding transmit operation or receive operation; the network device causes selective transmission of a prioritized data packet in an allocated in-case-of-emergency timeslot.

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Patent Owner(s)

  • CISCO TECHNOLOGY, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
She, Huimin Shanghai, CN 38 88
Thubert, Pascal La Colle sur Loup, FR 443 7650
Wang, Feiliang Shanghai, CN 14 43
Wetterwald, Patrick Mouans Sartoux, FR 238 4498

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