Title :
Digital polar transmitter for ultra-wideband system using OFDM modulation
Author :
Seah, K.H. ; Chia, M.Y.-W. ; Papavassiliou, C. ; Constantinides, G.A.
Author_Institution :
Commun. Div., Inst. for Infocomm Res.
Abstract :
A behavioural model for a digital polar transmitter, consisting of a combined array of parallel amplifiers, is presented. Gain mismatch is modelled for each amplifier. The effects of the resolution and the mismatch on the error vector magnitude for ultra-wideband are studied
Keywords :
OFDM modulation; digital communication; power amplifiers; radio transmitters; radiofrequency amplifiers; ultra wideband technology; OFDM modulation; digital polar transmitter; error vector magnitude; gain mismatch; parallel amplifiers; ultrawideband system;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20070126
