Patent ID: 9246721
Filing Date: 2016-01-26
CPC Classification: H03F,H04B,H04L

Claim Text:
1. A digital up-converter, DUC, circuit for performing digital channel filtering of an incoming baseband digital signal and up-converting the filtered incoming baseband digital signal into an intermediate Frequency, IF, baseband digital signal, the incoming baseband digital signal comprising digital samples representative of a plurality of contiguous symbols having at least a first discontinuity comprising random amplitude and/or phase, between symbols taken two-by-two, the DUC comprising: a channel filter module arranged to perform digital channel filtering on the digital samples, the channel filter module having an active mode and a standby mode of operation, wherein: a processing unit, such as a processor, operably coupled to the channel filter module and arranged to set the channel filter module: wherein the given number N of digital samples is substantially lower than the number of digital samples associated with one symbol.