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Caching of popular contents at cellular base stations, i.e., edge caching, in order to eliminate duplicate transmission through the backhaul can reduce the latency of data delivery in $5$G networks. However, since caching can only reduce…

Information Theory · Computer Science 2018-02-14 Tachporn Sanguanpuak , Sudarshan Guruacharya , Ekram Hossain , Dusit Niyato , Nandana Rajatheva , Matti Latva-aho

This letter investigates the performance of content caching in a heterogeneous cellular network (HetNet) consisting of fluid antenna system (FAS)-equipped mobile users (MUs) and millimeter-wave (mm-wave) single-antenna small base stations…

Information Theory · Computer Science 2024-03-27 Farshad Rostami Ghadi , Kai-Kit Wong , Kin-Fai Tong , Yangyang Zhang

Data transfer in opportunistic Delay Tolerant Networks (DTNs) must rely on unscheduled sporadic meetings between nodes. The main challenge in these networks is to develop a mechanism based on which nodes can learn to make nearly optimal…

Networking and Internet Architecture · Computer Science 2015-06-19 Shohreh Shaghaghian , Mark Coates

Diffusion Transformer (DiT) has exhibited impressive generation capabilities but faces great challenges due to its high computational complexity. To address this issue, various methods, notably feature caching, have been introduced.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Zhen Zou , Feng Zhao

Base station cooperation in heterogeneous wireless networks (HetNets) is a promising approach to improve the network performance, but it also imposes a significant challenge on backhaul. On the other hand, caching at small base stations…

Information Theory · Computer Science 2017-01-23 Wanli Wen , Ying Cui , Fu-Chun Zheng , Shi Jin , Yanxiang Jiang

In this paper, we aim to minimize the average file transmission delay via bandwidth allocation and cache placement in two-tier heterogeneous networks with limited storage capacity, which consists of cache capacity and buffer capacity. For…

Information Theory · Computer Science 2019-07-19 Zhaohui Yang , Cunhua Pan , Yijin Pan , Yongpeng Wu , Wei Xu , Mohammad Shikh-Bahaei , Ming Chen

We consider network utility maximization problems over heterogeneous cellular networks (HetNets) that permit dual connectivity. Dual connectivity (DC) is a feature that targets emerging practical HetNet deployments that will comprise of…

Networking and Internet Architecture · Computer Science 2017-09-27 Narayan Prasad , Sampath Rangarajan

Content-Centric Networking (CCN) offers a novel architectural paradigm that seeks to address the inherent limitations of the prevailing Internet Protocol (IP)-based networking model. In contrast to the host-centric communication approach of…

Networking and Internet Architecture · Computer Science 2025-08-05 Azadeh Sadat Miraftab , Ahmadreza Montazerolghaem , Behrad Mahboobi

Over the past decade, the bulk of wireless traffic has shifted from speech to content. This shift creates the opportunity to cache part of the content in memories closer to the end users, for example in base stations. Most of the prior…

Information Theory · Computer Science 2019-02-18 Mohammad Ali Maddah-Ali , Urs Niesen

In cellular networks, the locations of the radio access network (RAN) elements are determined mainly based on the long-term traffic behaviour. However, when the random and hard-to-predict spatio-temporal distribution of the traffic…

Networking and Internet Architecture · Computer Science 2016-07-25 Irem Bor-Yaliniz , Halim Yanikomeroglu

In-network caching is likely to become an integral part of various networked systems (e.g., 5G networks, LPWAN and IoT systems) in the near future. In this paper, we compare and contrast model-based and machine learning approaches for…

Networking and Internet Architecture · Computer Science 2020-04-16 Adita Kulkarni , Anand Seetharam

Edge-caching has received much attention as an efficient technique to reduce delivery latency and network congestion during peak-traffic times by bringing data closer to end users. Existing works usually design caching algorithms separately…

Information Theory · Computer Science 2018-02-08 Thang X. Vu , Symeon Chatzinotas , Bjorn Ottersten

To make better use of file diversity provided by random caching and improve the successful transmission probability (STP) of a file, we consider retransmissions with random discontinuous transmission (DTX) in a large-scale cache-enabled…

Information Theory · Computer Science 2018-02-13 Wanli Wen , Ying Cui , Fu-Chun Zheng , Shi Jin , Yanxiang Jiang

A fine-grained analysis of the cache-enabled networks is crucial for system design. In this paper, we focus on the meta distribution of the signal-to-interference ratio (SIR) for the cache-enabled networks where the locations of the base…

Information Theory · Computer Science 2021-02-09 Le Yang , Fu-Chun Zheng , Yi Zhong , Shi Jin

The mobile edge computing (MEC) has been introduced for providing computing capabilities at the edge of networks to improve the latency performance of wireless networks. In this paper, we provide the novel framework for MEC-enabled…

Information Theory · Computer Science 2020-02-11 Chanwon Park , Jemin Lee

The fifth generation (5G) mobile networks are envisioned to support the deluge of data traffic with reduced energy consumption and improved quality of service (QoS) provision. To this end, the key enabling technologies, such as…

Networking and Internet Architecture · Computer Science 2016-11-17 Dantong Liu , Lifeng Wang , Yue Chen , Maged Elkashlan , Kai-Kit Wong , Robert Schober , Lajos Hanzo

As 5G networks strive to support advanced time-critical applications, such as immersive Extended Reality (XR), cloud gaming, and autonomous driving, the demand for Real-time Broadband Communication (RTBC) grows. In this article, we present…

Networking and Internet Architecture · Computer Science 2024-10-23 Guangjin Pan , Shugong Xu , Pin Jiang

This paper studies caching in (K+L-1) x K partially connected wireless linear networks, where each of the K receivers locally communicates with L out of the K+L-1 transmitters, and caches are at all nodes. The goal is to design caching and…

Information Theory · Computer Science 2019-10-14 Fan Xu , Meixia Tao , Tiankai Zheng

With the ever-growing communication demands and the unceasing miniaturization of mobile devices, the Internet of Things is expanding the amount of mobile terminals to an enormous level. To deal with such numbers of communication data,…

Signal Processing · Electrical Eng. & Systems 2022-04-08 He Zhou , Haibo Zhou , Jianguo Li , Kai Yang , Jianping An , Xuemin , Shen

Low-latency communication plays an increasingly important role in delay-sensitive applications by ensuring the real-time information exchange. However, due to the constraint on the maximum instantaneous power, guaranteeing bounded latency…

Information Theory · Computer Science 2024-11-05 Lintao Li , Wei Chen , Petar Popovski , Khaled B. Letaief