| CPC H04W 40/04 (2013.01) [H04W 84/18 (2013.01)] | 10 Claims |

|
1. A node for communication in a wireless system, the node comprising:
a controller configured to determine a default communication mode out of multiple communication modes according to a role assigned to the node, wherein the role is related to an activity to be carried out by the node and the multiple communication modes comprises:
a first communication mode capable to support a mesh or tree topology with multi-hop routing, according to a first communication technology, and
a second communication mode capable to support a star topology with a point-to-point connection, according to a second communication technology;
a radio unit (210) configured to:
operate in the first communication mode as the default communication mode, and upon an instruction from the controller, switch to the second communication mode and send a notification message in the second communication mode, and then switch back to the first communication mode;
wherein the controller is further configured to:
generate the instruction to switch from the first communication mode to the second communication mode according to a security level of a data or control packet received by the radio unit in the first communication mode or generated by the node itself.
|