4 papers
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…
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…
Coding methods for string reconstruction from erroneous prefix-suffix compositions
Zitan Chen
The number of zeros and the number of ones in a binary string are referred to as the composition of the string, and the prefix-suffix compositions of a string are a multiset formed…
Reconstruction of multiple strings of constant weight from prefix-suffix compositions
Yaoyu Yang, Zitan Chen
Motivated by studies of data retrieval in polymer-based storage systems, we consider the problem of reconstructing a multiset of binary strings that have the same length and the sa…