A network device for a wireless local area network, wherein the network device is operable to wirelessly communicate with a neighbouring device according to a schedule which allocates timeslots to communication between neighbouring devices. The network device has: a wireless receiver operable to receive a request from a child neighbouring device for at least one timeslot for communicating a first amount of data to the network device; a processor configured to allocate timeslots in a schedule to communication between the network device and the child neighbouring device.