Abstract: A signal transmission method in a wireless base station system is provided, comprising: in the downlink direction, the wireless network control device transmits downlink data frames of the cell to the base station to which their channel processing relates for processing; the first base station receives corresponding downlink wireless signals from the base station which the channel processing of the cell's downlink data frames relates to; and the first base station transmits the downlink wireless signals for the cell; and in the uplink direction, the first base station receives uplink wireless signals of the cell; the first base station distributes a part or all of the uplink wireless signals to the base station to which their channel processing relates for processing; the wireless network control device receives corresponding uplink data frames from the base station which the channel processing of the uplink wireless signals relates to, wherein the base station which the channel processing of the downlink dat

Abstract: The invention provides a wireless base station connected to a wireless network control device, another wireless base station and a subscriber unit, comprising a first communication device for receiving/transmitting downlink data frames/uplink data frames from/to the wireless network control device; a second communication device for transmitting/receiving downlink wireless signals/uplink wireless signal to/from the subscriber unit; a channel processing device for processing the downlink data frames/uplink wireless signals into downlink wireless signals/uplink data frames; and a signal distribution unit for supplying the downlink data frames and the uplink wireless signals to the channel processing device for processing, wherein the base station further comprising a third communication device for communicating with the another base station, and the signal distribution unit further comprising forwarding control means for transmitting the downlink data frames or uplink wireless signals to the another wireless bas