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相关论文: On Secrecy Capacity of Minimum Storage Regeneratin…

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We improve the secrecy guarantees for transmission over general binary memoryless symmetric wiretap channels that relies on regular LDPC codes. Previous works showed that LDPC codes achieve secrecy capacity of some classes of wiretap…

信息论 · 计算机科学 2025-02-11 Madhura Pathegama , Alexander Barg

This paper considers secure energy-efficient routing in the presence of multiple passive eavesdroppers. Previous work in this area has considered secure routing assuming probabilistic or exact knowledge of the location and…

网络与互联网体系结构 · 计算机科学 2017-03-16 Azadeh Sheikholeslami , Majid Ghaderi , Hossein Pishro-Nik , Dennis Goeckel

We present a new information-theoretic definition and associated results, based on list decoding in a source coding setting. We begin by presenting list-source codes, which naturally map a key length (entropy) to list size. We then show…

Node failures are inevitable in distributed storage systems (DSS). To enable efficient repair when faced with such failures, two main techniques are known: Regenerating codes, i.e., codes that minimize the total repair bandwidth; and codes…

This paper considers multiple-input multiple-output (MIMO) full-duplex (FD) two-way secrecy systems. Specifically, both multi-antenna FD legitimate nodes exchange their own confidential message in the presence of an eavesdropper. Taking…

信息论 · 计算机科学 2017-05-18 Zheng Chu , Tuan Anh Le , Huan X. Nguyen , Arumugam Nallanathan , Mehmet Karamanoglu

Reliable communication imposes an upper limit on the achievable rate, namely the Shannon capacity. Wyner's wiretap coding, which ensures a security constraint also, in addition to reliability, results in decrease of the achievable rate. To…

信息论 · 计算机科学 2017-02-14 Shahid M. Shah , Vinod Sharma

In this paper, the delay limited secrecy capacity of the flat fading channel is investigated under two different assumptions on the available transmitter channel state information (CSI). The first scenario assumes perfect prior knowledge of…

信息论 · 计算机科学 2016-11-15 Karim Khalil , Moustafa Youssef , O. Ozan Koyluoglu , Hesham El Gamal

Exploiting short packets for communications is one of the key technologies for realizing emerging application scenarios such as massive machine type communications (mMTC) and ultra-reliable low-latency communications (uRLLC). In this paper,…

信息论 · 计算机科学 2021-05-17 Chen Feng , Hui-Ming Wang , H. Vincent Poor

Maximum distance separable (MDS) codes are widely used in distributed storage, but naively repairing a single failure in an $(n,k)$ MDS code requires downloading the full contents of $k$ surviving nodes. Minimum storage regenerating (MSR)…

信息论 · 计算机科学 2026-05-26 Jing Qiu , Weijun Fang , Shu-Tao Xia , Fang-Wei Fu

We study the problem of constructing secure regenerating codes that protect data integrity in distributed storage systems (DSS) in which some nodes may be compromised by a malicious adversary. The adversary can corrupt the data stored on…

信息论 · 计算机科学 2015-04-24 Rawad Bitar , Salim El Rouayheb

Maximum-distance-separable (MDS) codes are a class of erasure codes that are widely adopted to enhance the reliability of distributed storage systems (DSS). In (n, k) MDS coded DSS, the original data are stored into n distributed nodes in…

信息论 · 计算机科学 2017-06-16 Sheng Guan , Haibin Kan , Xin Wang

We consider secret key generation from relative localization information of a pair of nodes in a mobile wireless network in the presence of a mobile eavesdropper. Our problem can be categorized under the source models of information…

信息论 · 计算机科学 2015-03-19 Onur Gungor , Fangzhou Chen , C. Emre Koksal

We investigate the problem of maintaining an encoded distributed storage system when some nodes contain adversarial errors. Using the error-correction capabilities that are built into the existing redundancy of the system, we propose a…

密码学与安全 · 计算机科学 2015-03-17 Theodoros K. Dikaliotis , Alexandros G. Dimakis , Tracey Ho

In this paper, we consider a scenario where a source node wishes to broadcast two confidential messages for two respective receivers via a Gaussian MIMO broadcast channel. A wire-tapper also receives the transmitted signal via another MIMO…

信息论 · 计算机科学 2009-10-19 Ghadamali Bagherikaram , Abolfazl S. Motahari , Amir K. Khandani

We design short blocklength codes for the Gaussian wiretap channel under information-theoretic security guarantees. Our approach consists in decoupling the reliability and secrecy constraints in our code design. Specifically, we handle the…

信息论 · 计算机科学 2023-01-24 Vidhi Rana , Remi A. Chou

Wang et al. (IEEE Transactions on Information Theory, vol. 62, no. 8, 2016) proposed an explicit construction of an $(n=k+2,k)$ Minimum Storage Regenerating (MSR) code with $2$ parity nodes and subpacketization $2^{k/3}$. The number of…

信息论 · 计算机科学 2023-05-23 Ningning Wang , Guodong Li , Sihuang Hu , Min Ye

We study the problem of securely estimating the states of an unstable dynamical system subject to nonstochastic disturbances. The estimator obtains all its information through an uncertain channel which is subject to nonstochastic…

This paper investigates the problem of increasing the security at the physical layer of a Millimeter Wave (mmWave) network equipped with several Intelligent Reflecting Surfaces (IRSs). In this network, multiple IRSs help the Base Station…

信息论 · 计算机科学 2021-10-07 Anahid Rafieifar , S. Mohammad Razavizadeh

Accessing the data in the failed disk (degraded read) with low latency is crucial for an erasure-coded storage system. In this work, the maximum distance separable (MDS) array code with the property of degraded-read friendly (DRF) is…

信息论 · 计算机科学 2021-02-05 Ting-Yi Wu , Yunghsiang S. Han , Zhengrui Li , Bo Bai , Gong Zhang , Liang Chen , Xiang Wu

In this paper, a new repair scheme for a modified construction of MDS codes is studied. The obtained repair scheme has optimal bandwidth for multiple failed nodes under the cooperative repair model. In addition, the repair scheme has…

信息论 · 计算机科学 2022-01-19 Xing Lin , Han Cai , Xiaohu Tang