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Coded Caching is a promising solution to reduce the peak traffic in broadcast networks by prefetching the popular content close to end users and using coded transmissions. One of the chief issues of most coded caching schemes in literature…

Information Theory · Computer Science 2019-02-26 Hari Hara Suthan Chittoor , Bhavana M , Prasad Krishnan

Large gains in the rate of cache-aided broadcast communication are obtained using coded caching, but to obtain this most existing centralized coded caching schemes require that the files at the server be divisible into a large number of…

Information Theory · Computer Science 2021-11-30 Hari Hara Suthan Chittoor , Prasad Krishnan , K V Sushena Sree , Bhavana MVN

Caching is popular technique in content delivery networks that allows for reductions in transmission rates from the content-hosting server to the end users. Coded caching is a generalization of conventional caching that considers the…

Information Theory · Computer Science 2016-07-28 Li Tang , Aditya Ramamoorthy

We present a coded caching framework using line graphs of bipartite graphs. A clique cover of the line graph describes the uncached subfiles at users. A clique cover of the complement of the square of the line graph gives a transmission…

Information Theory · Computer Science 2018-05-24 Prasad Krishnan

Coded caching is a technique that generalizes conventional caching and promises significant reductions in traffic over caching networks. However, the basic coded caching scheme requires that each file hosted in the server be partitioned…

Information Theory · Computer Science 2018-02-20 Li Tang , Aditya Ramamoorthy

The coded caching scheme is an efficient technique as a solution to reduce the wireless network burden during the peak times in a Device-to-Device (D2D in short) communications. In a coded caching scheme, each file block should be divided…

Information Theory · Computer Science 2017-12-19 Jinyu Wang , Minquan Cheng , Qifa Yan , Xiaohu Tang

In this paper, we propose a new design framework on Device-to-Device (D2D) coded caching networks with optimal rate but significantly less file subpacketizations compared to that of the well-known D2D coded caching scheme proposed by Ji,…

Information Theory · Computer Science 2020-04-15 Xiang Zhang , Mingyue Ji

Coded caching schemes with low subpacketization and small transmission rate are desirable in practice due to the requirement of low implementation complexity and efficiency of the transmission. Placement delivery arrays (PDA in short) can…

Information Theory · Computer Science 2020-08-25 Mingming Zhang , Minquan Cheng , Jinyu Wang , Xi Zhong , Yishan Chen

Coded caching and device-to-device (D2D) communication are two effective techniques for alleviating network traffic. Secure transmission and file privacy have also become critical concerns in these domains. However, prevailing coded caching…

Information Theory · Computer Science 2026-01-21 Qiaoling Zhang , Changlu Lin , Minquan Cheng

We consider wireless device-to-device (D2D) caching networks with single-hop transmissions. Previous work has demonstrated that caching and coded multicasting can significantly increase per user throughput. However, the state-of-the-art…

Information Theory · Computer Science 2019-10-15 Nicholas Woolsey , Rong-Rong Chen , Mingyue Ji

Coded caching is a technique where we utilize multi-casting opportunities to reduce rate in cached networks. One limitation of coded caching schemes is that they reveal the demands of all users to their peers. In this work, we consider…

Information Theory · Computer Science 2019-09-24 Aravind V R , Pradeep Sarvepalli , Andrew Thangaraj

Coded caching scheme, which is an effective technique to increase the transmission efficiency during peak traffic times, has recently become quite popular among the coding community. Generally rate can be measured to the transmission in the…

Information Theory · Computer Science 2017-10-03 Minquan Cheng , Qifa Yan , Xiaohu Tang , Jing Jiang

Coded caching is a promising technique to effectively reduce peak traffic by using local caches and the multicast gains generated by these local caches. We prefer to design a coded caching scheme with the subpacketization $F$ and…

Information Theory · Computer Science 2025-02-25 Minquan Cheng , Huimei Wei , Kai Wan , Giuseppe Caire

We consider the standard broadcast setup with a single server broadcasting information to a number of clients, each of which contains local storage (called \textit{cache}) of some size, which can store some parts of the available files at…

Information Theory · Computer Science 2020-02-21 Shailja Agrawal , K V Sushena Sree , Prasad Krishnan

Exponentially growing subpacketization is known to be a major issue for practical implementation of coded caching, specially in networks with multi-antenna communication setups. We provide a new coded caching scheme for such networks, which…

Information Theory · Computer Science 2019-10-30 MohammadJavad Salehi , Antti Tölli , Seyed Pooya Shariatpanahi

Coded caching is a promising technique to create coded multicast opportunities for cache-aided networks. By splitting each file into $F$ equal packets (i.e., the subpacketization level $F$) and letting each user cache a set of packets, the…

Information Theory · Computer Science 2025-10-28 Minquan Cheng , Yifei Huang , Youlong Wu , Jinyan Wang

In coded caching system we prefer to design a coded caching scheme with low subpacketization and small transmission rate (i.e., the low implementation complexity and the efficient transmission during the peak traffic times). Placement…

Information Theory · Computer Science 2020-09-08 Xi Zhong , Minquan Cheng , Ruizhong Wei

Coded caching can be applied in wireless multi-antenna communications by multicast beamforming coded data chunks to carefully selected user groups and using the existing file fragments in user caches to decode the desired files at each…

Information Theory · Computer Science 2019-05-14 MohammadJavad Salehi , Antti Tölli , Seyed Pooya Shariatpanahi , Jarkko Kaleva

Finite-length analysis is critical for bringing coded caching closer to practical deployment. In this work, we study the design of communication rate-optimal device-to-device (D2D) coded caching schemes with minimal subpacketization levels,…

Information Theory · Computer Science 2026-02-13 Xiang Zhang , Giuseppe Caire , Mingyue Ji

This paper addresses the problem of exponentially increasing sub-packetization with the number of users in a centralized coded caching system by introducing a new coded caching scheme inspired by the symmetric neighboring consecutive side…

Information Theory · Computer Science 2020-09-24 Anjana A. Mahesh , B. Sundar Rajan
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