Coordinator switching method for medical body area networks

A coordinator switching method and corresponding apparatus (20) are provided. One or more candidate coordinators (64) to replace a coordinator (20) of a medical body area network (MBAN) (22) are identified. The coordinator (20) is associated with one or more devices (16, 18) of the MBAN (22). One of the identified candidate coordinators (64) is selected as a destination coordinator. The destination coordinator (64) is requested to replace the coordinator (20) and allocate resources for the devices (16, 18). Acceptance of the request and data identifying the allocated resources for the devices (16, 18) is received from the destination coordinator (64). The devices (16, 18) are instructed to associate with the destination coordinator (64) using the allocated resources.