[802.15.3] is based on a centralized and connection-oriented ad-hoc networking topology. At initialization, one node (DEV) will be required to assume the role of the coordinator/scheduler of the WPAN (PNC).
In addition to providing basic network synchronization timing, the PNC will also perform admission control, allocate network resources on the piconet, according a pre-defined set of QoS policies and the amount of Channel Time (CT) resources available for data transfers, manages Power Save requests.