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cs.IT2025
Information Rates of Approximate Message Passing for Bandlimited Direct-Detection Channels
Daniel Plabst, Mohamed Akrout, Tobias Prinz +2
The capacity of bandlimited direct-detection channels is challenging to compute or approach due to the receiver non-linearity. A generalized vector approximate message passing (GVA…
eess.SP2025
Low-Cost Phase Precoding for Short-Reach Fiber Links with Direct Detection
Ulrike Höfler, Daniel Plabst, Norbert Hanik
Low-cost analog phase precoding is used to compensate chromatic dispersion (CD) in fibers with intensity modulation and direct detection (IM/DD). In contrast to conventional precod…