Patent ID: 11895674
Assignee: SAFRAN PASSENGER INNOVATIONS, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 14:
15. A method for multicast communication over an IP network using a router, comprising:
receiving a packet at a mote;
transmitting the packet to one or more recipients using a link layer broadcast transmission;
if the packet is not received by the one or more recipients, comparing a number of transmissions of the packet with a preset integer, wherein the preset integer represents a number of retransmission timeslots;
if the number of transmissions of the packet is less than the preset integer, re-transmitting the packet to the one or more recipients using the link layer broadcast transmission until the total number of transmissions of the packet to the one or more recipients equals the preset integer, wherein each of the one or more recipients has a set of timeslots where the packet can be received; and
upon receipt of the transmitted packet by a recipient, being one of the one or more recipients, scheduling, for that recipient, each of the remaining timeslots of the set of timeslots to a sleep mode.