Embodiments of the present invention relate to a method for improving handover performance in a cellular wireless communication system, said cellular wireless communication system employing a handover procedure in which a handover preparation for a mobile station is initiated if a channel quality value between a source cell for said mobile station and said mobile station is less than a channel quality threshold value; said method comprising: tuning said channel quality threshold value based on one or more handover performance criteria used in said cellular wireless communication system. Furthermore, the invention also relates to a device for improving handover performance, a computer program, and a computer program product thereof.