4.7 Zigbee Green Power (ZGP) Component Usage

The ZGP provides an interface to commission, control or retrieving the information from the green power device.

Green power devices can harvest a different amount of energy depending on the technology used for energy harvesting. With its own available energy budget, each GPD has special requirements regarding the functionality it can implement. Due to the energy budget of the GPD, bidirectional communication is limited. To enable the GPD to communicate to the Zigbee network, the GPD frame is much shorter than the Zigbee frame.

On the Zigbee network side, the GP functionality required on a Zigbee node includes receiving and processing the GPDF. If necessary, it tunnels the GPDF across multiple hops in a normal Zigbee frame format to the paired node, referred to as the sink. The sink processes and acts upon the information sent by the GPD.