ON-DEMAND MEDIUM TO LOW TRANSMISSION POWER CHANNEL SWITCHING IN COMPUTER NETWORKS

摘要

In a multiple interface, low power and lossy network comprising a plurality of nodes, a low transmission power and medium transmission power topology are defined for the network and a channel-hopping schedule is defined for the devices operating in each topology. A sender determines that data is capable of being transmitted via a link on the low transmission power topology. The sender determines the transmission parameters for the transmission of the data over the link on the low transmission power topology and determines a low transmission power channel for transmission of the data. The sender transmits the determined channel and the transmission parameters to the receiver. The sender transmits the data via the determined channel in the low transmission power topology.

主权项

1. A method, comprising:
in a low power and lossy network (LLN) comprising a plurality of devices, determining, by a sender device, if a receiver device is listening on a low-power channel sufficient to transmit data from the sender device to the receiver device; in response to determining that the receiver device is not listening on a low-power channel sufficient to transmit the data to the receiver device, transmitting, by the sender device, a control message to the receiver device via a channel-hopping schedule of the receiver device, wherein the control message instructs the receiver device to listen on a low-power channel; and transmitting, by the sender device, the data to the receiver device via the low-power channel.