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6 papers · 2 filters
Two Classes of Broadcast Channels With Side-Information: Capacity Outer Bounds
K. G. Nagananda, Chandra R Murthy, Shalinee Kishore
In this paper, we derive outer bounds on the capacity region of two classes of the general two-user discrete memoryless broadcast channels with side-information at the transmitter.…
Secure Broadcasting With Side-Information
K. G. Nagananda, Chandra R Murthy, Shalinee Kishore
In this paper, we derive information-theoretic performance limits for secure and reliable communications over the general two-user discrete memoryless broadcast channel with side-i…
Computational Complexity of Cyclotomic Fast Fourier Transforms over Characteristic-2 Fields
Xuebin Wu, Zhiyuan Yan
Cyclotomic fast Fourier transforms (CFFTs) are efficient implementations of discrete Fourier transforms over finite fields, which have widespread applications in cryptography and e…
Reduced-Complexity Decoder of Long Reed-Solomon Codes Based on Composite Cyclotomic Fourier Transforms
Xuebin Wu, Zhiyuan Yan
Long Reed-Solomon (RS) codes are desirable for digital communication and storage systems due to their improved error performance, but the high computational complexity of their dec…
A New Class of MDS Erasure Codes Based on Graphs
Nattakan Puttarak, Phisan Kaewprapha, Boon Chong Ng +2
Maximum distance separable (MDS) array codes are XOR-based optimal erasure codes that are particularly suitable for use in disk arrays. This paper develops an innovative method to…
Multiuser Cognitive Radio Networks: An Information Theoretic Perspective
K. G. Nagananda, Parthajit Mohapatra, Chandra R. Murthy +1
Achievable rate regions and outer bounds are derived for three-user interference channels where the transmitters cooperate in a unidirectional manner via a noncausal message-sharin…