JPWO2020182562A5

JPWO2020182562A5 -

Info

Publication number: JPWO2020182562A5
Application number: JP2021555266A
Authority: JP
Publication date: 2023-03-13
Anticipated expiration: 2040-03-04

Claims

1. A network node for use in a network, the network node having a first communication mode using a first network technology or a second communication mode using a second network technology on a time-sharing basis according to a predetermined duty cycle. configured to transmit or receive in either of two communication modes, the network node comprising apparatus for controlling transmission of the network node in the network, the apparatus comprising:
a determining unit for determining a preferred communication mode of a target node of said transmission, wherein the preferred mode is said target node most used by said target node among said first communication mode and said second communication mode; a decision unit, a communication mode of
a selection unit for selecting one of the first communication mode and the second communication mode for transmission to the target node based on the determined preferred communication mode of the target node;
including
network, wherein the preferred mode of communication is based on information about the target node, the information obtained directly from the target node, indirectly from a further node or gateway, or due to pre-configured rules; node.

The network of claim 1, wherein the preferred mode of communication is based on information about the target node, the information obtained directly from the target node via an out-of-band mechanism or due to pre-configured rules. node.

The network node is of the second network technology operating as a device of the first network technology with a greater duty cycle ratio of the first communication mode compared to respective duty cycle ratios of other communication modes. 3. A network node according to claim 1 or 2, configured as an end device.

4. A network node according to claim 1, 2 or 3, wherein said first network technology is a single-hop technology and said second network technology is a multi-hop technology.

The selecting unit selects the second communication mode for transmission to a parent node or next hop node if the determining unit determines a gateway device of the network as the target node of the transmission. 5. A network node according to claim 4, configured.

The selecting unit is configured to select the second communication mode for broadcast transmission to parent nodes if the determining unit determines all network nodes of the network as target nodes of the transmission. 5. A network node according to claim 4, wherein:

As an end device or router device of said first network technology, said network node being operated at a higher duty cycle ratio of said first communication mode compared to respective duty cycle ratios of other communication modes; or configurable as an end device or router device of said second network technology operated at a greater duty cycle ratio of said second communication mode compared to respective duty cycle ratios of other communication modes. , a network node according to claim 1.

The determining unit is configured to determine the preferred communication mode of the target node via an out-of-band mechanism, and the selecting unit selects the determined preferred communication mode for transmission to the target node. 8. A network node according to claim 7, configured to:

The determining unit is configured to determine the preferred communication mode for the target node based on the application in which the network node is operating for transmission, the selecting unit for transmitting to the target node. 8. A network node according to claim 7, configured to select said determined preferred communication mode to a.

10. A lighting system comprising a plurality of network nodes according to any one of claims 1-9.

11. The lighting system of Claim 10, wherein the first network technology is used to receive beacon signals from tag devices of an asset tracking system.

The plurality of network nodes are configured as end-devices of the second network technology to perform the first communication with a greater duty cycle ratio of the first communication mode compared to respective duty cycle ratios of other communication modes. and a second network node configured as a router device of said second network technology and operated at a higher duty cycle ratio of said second communication mode. and wherein the second network node is configured to forward information in received broadcast messages of the second communication mode in advertisement messages of the first communication mode. lighting system.

The plurality of network nodes, a first network node configured as a router device of the first network technology and operated at a higher duty cycle ratio of the first communication mode and a first network node of the second network technology. a second network node configured as an end device or router device and operated at a higher duty cycle ratio of said second communication mode;
the first network node is configured to forward received broadcast messages of the first communication mode in both the first communication mode and the second communication mode; or
The second network node converts the received unicast message of the second communication mode into a message of the first communication mode if the next hop node is the first network node, or the receiving 11. The lighting system of claim 10, configured to tunnel unicast messages received in said first communication mode messages.

A method of controlling transmission of a network node in a network, said network node using a first communication mode using a first network technology and a second network technology on a time-sharing basis according to a predetermined duty cycle. configured to transmit or receive in a second communication mode, the method comprising:
determining a preferred communication mode of the target node of the transmission, wherein the preferred mode is the communication mode of the target node most used by the target node among the first communication mode and the second communication mode; a step that is
selecting one of the first and second communication modes for transmission to the target node based on the determined preferred communication mode of the target node;
including
wherein said preferred mode of communication is based on information about said target node, said information obtained directly from said target node, obtained indirectly from a further node or gateway, or resulting from preconfigured rules. .

A computer program product comprising code means for performing the steps of claim 14 when run on a network node.