Zero-error channel capacity of quantum 5-symbol obfuscation model. (10th August 2020)

• Record Type: Journal Article
• Authors: Yu, Wenbin; Xiong, Zijia; Liu, Yang; Rong, Shanshan; Wang, Siyao; Xu, Yinsong; Liu, Alex X.
• Is Part Of: International journal of embedded systems. Volume 13:Number 4(2020)
• Page Start: 372
• Page End: 379
• Publication Date: 2020-08-10
• Subjects: quantum coding -- zero-error channel -- channel capacity; Embedded computer systems -- Periodicals; 004.16
• Languages: English
• ISSNs: 1741-1068

Abstract

The existing noise channel coding methods need to be optimised in terms of channel capacity and algorithm complexity. Based on the characteristics of the quantum 5-symbol confusion-channel model and the theory of matrices, a coding method is proposed which combines the 5-symbol confusion channel with the quantum-superposition-state coding. This coding method uses two isomorphism steps to obtain the zero-error code words, which are the isomorphism between quantum superposition states and vectors and the isomorphism between channels and matrices. The theoretical derivation proves that the channel capacity is able to increase by employing quantum zero-error coding other than its classical counterpart.