Reference : Multiple-input multiple-output symbol rate signal digital predistorter for non-linear...
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
Multiple-input multiple-output symbol rate signal digital predistorter for non-linear multi-carrier satellite channels
Zenteno, Efrain [> >]
Piazza, Roberto [> >]
Bhavani Shankar, M. R. [> >]
Rönnow, Daniel [> >]
Ottersten, Björn mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) >]
Communications, IET
IET Communications
Yes (verified by ORBilu)
[en] Channel estimation ; Codes (symbols) ; Communication channels (information theory) ; Digital predistorter ; Satellite channel ; Feedback control ; Mathematical operators ; MIMO systems ; Mobile telecommunication systems ; Satellite communication systems ; Telecommunication repeaters ; Digital predistortion ; Maximum output power ; Multi-rate processing ; Satellite communications ; Single input single output ; Carrier communication
[en] A digital predistortion (DPD) scheme is presented for non-linear distortion mitigation in multi-carrier satellite communication channels. The proposed DPD has a multiple-input multiple-output architecture similar to data DPD schemes. However, it enhances the mitigation performance of data DPDs using a multi-rate processing algorithm to achieve spectrum broadening of non-linear operators. Compared to single carrier (single-input single-output) signal (waveform) DPD schemes, the proposed DPD has lower digital processing rate reducing the required hardware cost of the predistorter. The proposed DPD outperforms, in total degradation, both data and signal DPD schemes. Further, it performs closest to a channel bound described by an ideally mitigated channel with limited maximum output power. © 2015. The Institution of Engineering and Technology.

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