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cs.IT2026
Trellis codes with a good distance profile constructed from expander graphs
Yubin Zhu, Zitan Chen
We derive Singleton-type bounds on the free distance and column distances of trellis codes. Our results show that, at a given time instant, the maximum attainable column distance o…
cs.IT2026
First-order optimal codes for an adversarial nanopore channel
Huiling Xie, Zitan Chen
We study error-correcting codes for an adversarial nanopore channel, where a -ary string is first transformed by an inter-symbol interference channel with window size int…