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Integrated Access and Backhaul (IAB) in cellular networks combines access and backhaul within a wireless infrastructure reducing reliance on fibre-based backhaul. This enables faster and more cost-effective network expansion, especially in…

网络与互联网体系结构 · 计算机科学 2025-04-15 Paulo Furtado Correia , Andre Coelho , Manuel Ricardo

Caching at base stations (BSs) is a promising approach for supporting the tremendous traffic growth of content delivery over future small-cell wireless networks with limited backhaul. This paper considers exploiting spatial caching…

信号处理 · 电气工程与系统科学 2018-08-09 Wei Han , An Liu , Wei Yu , Vincent K. N. Lau

Use of aerial base stations (ABSs) is a promising approach to enhance the agility and flexibility of future wireless networks. ABSs can improve the coverage and/or capacity of a network by moving supply towards demand. Deploying ABSs in a…

网络与互联网体系结构 · 计算机科学 2020-09-09 Elham Kalantari , Halim Yanikomeroglu , Abbas Yongacoglu

With high capacity air interfaces and large numbers of small cells, backhaul -- the wired connectivity to base stations -- is increasingly becoming the cost driver in cellular wireless networks. One reason for the high cost of backhaul is…

网络与互联网体系结构 · 计算机科学 2013-05-07 Russell Ford , Changkyu Kim , Sundeep Rangan

A hybrid cloud radio access network (H-CRAN) architecture has been proposed to alleviate the midhaul capacity limitation in C-RAN. In this architecture, functional splitting is utilized to distribute the processing functions between a…

网络与互联网体系结构 · 计算机科学 2019-07-02 Ajay Sriram , Meysam Masoudi , Abdulrahman Alabbasi , Cicek Cavdar

The growth in artificial intelligence (AI) technology has attracted substantial interests in latency-aware task offloading of mobile edge computing (MEC)-namely, minimizing service latency. Additionally, the use of MEC systems poses an…

信号处理 · 电气工程与系统科学 2024-09-10 Minwoo Kim , Jonggyu Jang , Youngchol Choi , Hyun Jong Yang

Caching the content closer to the user equipments (UEs) in heterogenous cellular networks (HetNets) improves user-perceived Quality-of-Service (QoS) while lowering the operators backhaul usage/costs. Nevertheless, under the current…

信息论 · 计算机科学 2019-02-01 M. G. Khoshkholgh , Keivan Navaie , Kang G. Shin , V. C. M. Leung , Halim Yanikomeroglu

The performance of cloud radio access network (C-RAN) is limited by the finite capacities of the backhaul links connecting the centralized processor (CP) with the base-stations (BSs), especially when the backhaul is implemented in a…

信息论 · 计算机科学 2018-05-01 Binbin Dai , Ya-Feng Liu , Wei Yu

Providing femto-access points (FAPs) with computational capabilities will allow (either total or partial) offloading of highly demanding applications from smart-phones to the so called femto-cloud. Such offloading promises to be beneficial…

信息论 · 计算机科学 2015-11-23 Olga Muñoz , Antonio Pascual-Iserte , Josep Vidal

Content caching at the edge of network is a promising technique to alleviate the burden of backhaul networks. In this paper, we consider content caching along time in a base station with limited cache capacity. As the popularity of contents…

网络与互联网体系结构 · 计算机科学 2020-01-14 Ghafour Ahani , Di Yuan

In this paper, we propose a novel and effective approach to optimizing the load balancing in a millimeter wave (mmWave) cellular heterogeneous network (HetNet) with a macro-tier and a micro-tier. The unique characteristics of mmWave…

信息论 · 计算机科学 2017-11-17 Simin Xu , Nan Yang , Shihao Yan

The need to decarbonize the energy system has intensified the focus on district heating networks in urban and suburban areas. Therefore, exploring transformation pathways with reasonable trade-offs between economic viability and…

最优化与控制 · 数学 2025-08-14 Stephanie Riedmüller , Fabian Rivetta , Janina Zittel

In this paper, we propose a novel joint resource allocation and cooperative caching scheme for power-domain non-orthogonal multiple access (PD-NOMA)-based heterogeneous networks (HetNets). In our scheme, the requested content is fetched…

信号处理 · 电气工程与系统科学 2020-07-23 Maryam Moghimi , Abolfazl Zakeri , Mohammad Reza Javan , Nader Mokari , Derrick Wing Kwan Ng

Multi-hop random access networks have received much attention due to their distributed nature which facilitates deploying many new applications over the sensor and computer networks. Recently, utility maximization framework is applied in…

信息论 · 计算机科学 2010-11-24 Amir M. Khodaian , Babak H. Khalaj

Caching high-frequency reuse contents at the edge servers in the mobile edge computing (MEC) network omits the part of backhaul transmission and further releases the pressure of data traffic. However, how to efficiently decide the caching…

网络与互联网体系结构 · 计算机科学 2021-03-02 Yuqi Han , Rui Wang , Jun Wu , Dian Liu , Haoqi Ren

Mobile edge caching (MEC) has been introduced to support ever-growing end-users' needs. To reduce the backhaul traffic demand and content delivery latency, cache-enabled edge servers at base stations (BSs) are employed to provision popular…

信号处理 · 电气工程与系统科学 2021-01-01 Susanna Mosleh , Qiang Fan , Lingjia Liu , Jonathan D. Ashdown , Erik Perrins , Kurt Turck

With the advent of multi-core processors, network-on-chip design has been key in addressing network performances, such as bandwidth, power consumption, and communication delays when dealing with on-chip communication between the increasing…

新兴技术 · 计算机科学 2018-08-01 Tzyy-Juin Kao , Wolfgang Fink

We consider fronthaul-limited generalized zeroforcing-based cell-free massive multiple-input multiple-output (CF-mMIMO) systems with multiple-antenna users and multipleantenna access points (APs) relying on both cooperative beamforming (CB)…

信息论 · 计算机科学 2025-06-18 Zahra Mobini , Ahmet Hasim Gokceoglu , Li Wang , Gunnar Peters , Hien Quoc Ngo

We consider energy-efficient adaptive power allocation for three incremental multiple-input multiple-output (IMIMO) systems employing ARQ, hybrid ARQ (HARQ) with Chase combining (CC), and HARQ with incremental redundancy (IR), to minimize…

信息论 · 计算机科学 2015-03-27 Tumula V. K. Chaitanya , Tho Le-Ngoc

Content caching in wireless networks provides a substantial opportunity to trade off low cost memory storage with energy consumption, yet finding the optimal causal policy with low computational complexity remains a challenge. This paper…

信号处理 · 电气工程与系统科学 2020-01-22 Zhijie Chen , Hoshyar Mohammed , Wei Chen