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These projects were the ones chosen by students in previous summers of code.
These projects were the ones chosen by students in previous summers of code.
== 2020 ==
=== Digital Pre-Distortion ===
Digital Pre-Distortion (DPD) is a technique allowing transmitters to compensate for non-linear responses in their hardware, most notably the power amplifier. This improves SNR and can allow more spectral and power efficient operation of a given set of hardware.
DPD is widely used and is increasingly necessary as many multicarrier signals such as what are seen in DVB and LTE exhibit high peak to average power ratios (PAPRs). DPD implementations are not widely available in the open source community. This is a deficit that this project hopes to correct. Over the course of the project the student would implement standard DPD algorithms in to a GNU Radio out of tree module so that they can be available for use directly or as reference designs.
==== Objective ====
* Implement standard memory-less and memory based DPD algorithms
* Implement the training algorithms for such DPD application algorithms.
* Implement a GUI tool or testbench for viewing the AM-AM and AM-PM responses of an amplifier
==== Outcome ====
[https://github.com/gnuradio/gr-dpd gr-dpd]
==== Student ====
* Student: Alekh Gupta
* Mentoring: Derek Kozel
Alekh's regular blogs: https://grdpd.wordpress.com/
== 2019 ==
== 2019 ==

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