With the mass expansion of UMTS network worldwide, how to heighten the PA (power amplifier) and reduce the CAPEX and OPEX draw more and more attention, which greatly promotes the development of new generation linear DPD technology. Following the lead taken by Huawei in issuing DPD-based UMTS Node Bs in Cannes in 2005, many equipment vendors are seeking to launch DPP-based new generation UMTS Node Bs.