Distributed base station architectures represent the new trend that operators follow in order
to resolve cost, performance and efficiency challenges when deploying 4G networks. Main …

This study discusses the implementation of a digital predistorter to linearise radiofrequency
(RF) power amplifiers, using input signals 60 MHz in bandwidth. The digital predistorter …

The need for broadband applications and high power in wireless communications has
encouraged new advances in the field of solid-state devices. One of the significant …

We propose in this paper a 4-channel time-domain test bench for the characterization and
linearity enhancement of microwave power amplifiers (PAs). The proposed time-domain …

A device and method of predistortion linearization that account for both EVM and spectral
mask are disclosed. The device and method are based on transforming the predistorter …

Increasing the efficiency of mobile communication networks while keeping operational and
maintenance cost at reasonable level is a major task for operators. Multimode radios …

Development of linear modulation schemes has opened the way for spectrally efficient, high
speed digital communication systems for voice and data applications. A trend has been to …

Efficient RF power amplifiers used in third generation systems require linearization in order
to reduce adjacent channel inter-modulation distortion, without sacrificing efficiency. Digital …

Рассмотрена имитационная модель алгоритма адаптации на основе рекурсивного
метода прогноза ошибки (RPEM) для систем ввода предыскажений. Данный алгоритм …

But these digital systems also place greater demands on analog components in the system,
including the power amplifiers (PAs) because of the complexity of the digitally modulated …