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An efficient high-capacity quantum secret sharing scheme is proposed following some ideas in quantum dense coding with two-photon entanglement. The message sender, Alice prepares and measures the two-photon entangled states, and the two…

量子物理 · 物理学 2009-11-13 Fu-Guo Deng , Xi-Han Li , Hong-Yu Zhou

There are two variants of superposition coding schemes. Cover's original superposition coding scheme has code clouds of the identical shape, while Bergmans's superposition coding scheme has code clouds of independently generated shapes.…

信息论 · 计算机科学 2016-11-15 Lele Wang , Eren Sasoglu , Bernd Bandemer , Young-Han Kim

We investigate techniques for designing modulation/coding schemes for the wireless two-way relaying channel. The relay is assumed to have perfect channel state information, but the transmitters are assumed to have no channel state…

信息论 · 计算机科学 2011-07-29 Brett Hern , Krishna Narayanan

This paper examines the coherence in multipartite systems. We first discuss the distribution of total coherence in a given multipartite quantum state into discord between subsystems and coherent dissonance in each individual subsystem,…

量子物理 · 物理学 2018-09-26 Zhengjun Xi

As an important branch of quantum secure multiparty computation, quantum private comparison (QPC) has attracted more and more attention recently. In this paper, according to the quantum implementation mechanism that these protocols used, we…

密码学与安全 · 计算机科学 2024-05-14 Wenjie Liu , Chao Liu , Haibin Wang , Tingting Jia

A new scheme for transmitting sensitive data is proposed, the proposed scheme depends on partitioning the output of a block encryption module using the Chinese Remainder Theorem among a set of channels. The purpose of using the Chinese…

密码学与安全 · 计算机科学 2007-05-23 Ahmed A. Belal , Abdelhamid S. Abdelhamid

We use random linear network coding (RLNC) based scheme for multipath communication in the presence of lossy links with different delay characteristics to obtain ultra-reliability and low latency. A sliding window version of RLNC is…

网络与互联网体系结构 · 计算机科学 2018-02-05 Frank Gabriel , Anil Kumar Chorppath , Ievgenii Tsokalo , Frank H. P. Fitzek

Entanglement-assisted classical communication (EACC) aims to enhance communication systems using entanglement as an additional resource. However, there is a scarcity of explicit protocols designed for finite transmission scenarios, which…

量子物理 · 物理学 2025-02-04 Tushita Prasad , Markus Grassl

We present a capacity-achieving coding scheme for unicast or multicast over lossy packet networks. In the scheme, intermediate nodes perform additional coding yet do not decode nor even wait for a block of packets before sending out coded…

信息论 · 计算机科学 2008-04-11 Desmond S. Lun , Muriel Medard , Ralf Koetter , Michelle Effros

The increasing sophistication of available quantum networks has seen a corresponding growth in the pursuit of multi-partite cryptographic protocols. Whilst the use of multi-partite entanglement is known to offer an advantage in certain…

量子物理 · 物理学 2025-05-30 Janka Memmen , Jens Eisert , Nathan Walk

The distribution of entanglement between macroscopically separated parties represents a crucial protocol for future quantum information networks. Surprisingly, it has been theoretically shown that two distant systems can be entangled by…

We propose a scheme of 1$\to$2 optimal universal asymmetric quantum telecloning of pure multiqubit states. In particular, we first investigate the asymmetric telecloning of arbitrary 2-qubit states and then extend it to the case of…

量子物理 · 物理学 2007-05-23 Lin Chen , Yi-Xin Chen

Massive machine type communication (mMTC) has attracted new coding schemes optimized for reliable short message transmission. In this paper, a novel deep learning-based near-orthogonal superposition (NOS) coding scheme is proposed to…

信息论 · 计算机科学 2022-07-01 Chenghong Bian , Chin-Wei Hsu , Changwoo Lee , Hun-Seok Kim

We study the following one-way asymmetric transmission problem, also a variant of model-based compressed sensing: a resource-limited encoder has to report a small set $S$ from a universe of $N$ items to a more powerful decoder (server). The…

数据结构与算法 · 计算机科学 2018-07-30 Alexandr Andoni , Javad Ghaderi , Daniel Hsu , Dan Rubenstein , Omri Weinstein

An interesting aspect of multipartite entanglement is that for perfect teleportation and superdense coding, not the maximally entangled W states but a special class of non-maximally entangled W-like states are required. Therefore, efficient…

量子物理 · 物理学 2016-02-17 Ke Li , Fan-Zhen Kong , Ming Yang , Fatih Ozaydin , Qing Yang , Zhuo-Liang Cao

Bosons and fermions are defined by their exchange properties and the underlying symmetries determine the structure of the corresponding state spaces. For two particles there are two possible exchange symmetries, resulting in symmetric or…

量子物理 · 物理学 2025-06-19 Sophia Denker , Satoya Imai , Otfried Gühne

We study the effects of quantum entanglement on the performance of two classical zero-error communication tasks among multiple parties. Both tasks are generalizations of the two-party zero-error channel-coding problem, where a sender and a…

量子物理 · 物理学 2015-01-21 Teresa Piovesan , Giannicola Scarpa , Christian Schaffner

Different polar coding schemes are proposed for the memoryless degraded broadcast channel under different reliability and secrecy requirements: layered decoding and/or layered secrecy. In this setting, the transmitter wishes to send…

信息论 · 计算机科学 2018-06-19 Jaume del Olmo , Javier R. Fonollosa

A highly entangled bipartite quantum state is more advantageous for the quantum dense coding protocol than states with low entanglement. Such a correspondence, however, does not exist even for pure quantum states in the multipartite domain.…

量子物理 · 物理学 2014-08-26 Tamoghna Das , R. Prabhu , Aditi Sen De , Ujjwal Sen

Genuine multipartite entanglement is crucial for quantum information and related technologies but quantifying it has been a long-standing challenge. Most proposed measures do not meet the ``genuine'' requirement, making them unsuitable for…

量子物理 · 物理学 2024-06-25 Songbo Xie , Daniel Younis , Yuhan Mei , Joseph H. Eberly