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相关论文: Velocity-Aware Handover Management in Two-Tier Cel…

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We address the challenge of designing cellular networks for uncrewed aerial vehicles (UAVs) corridors through a novel data-driven approach. We assess multiple state-of-the-art high-dimensional Bayesian optimization (HD-BO) techniques to…

信息论 · 计算机科学 2025-04-10 Mohamed Benzaghta , Giovanni Geraci , David López-Pérez , Alvaro Valcarce

The rapid increase in data traffic demand has overloaded existing cellular networks. Planned upgrades in the communication architecture (e.g. LTE), while helpful, are not expected to suffice to keep up with demand. As a result, extensive…

网络与互联网体系结构 · 计算机科学 2015-03-03 Pavlos Sermpezis , Luigi Vigneri , Thrasyvoulos Spyropoulos

We study the problem of joint load balancing and interference mitigation in heterogeneous networks (HetNets) in which massive multiple-input multiple-output (MIMO) macro cell base station (BS) equipped with a large number of antennas,…

网络与互联网体系结构 · 计算机科学 2017-07-11 Trung Kien Vu , Mehdi Bennis , Sumudu Samarakoon , Mérouane Debbah , Matti Latva-aho

In this paper, we consider a queue-aware distributive resource control algorithm for two-hop MIMO cooperative systems. We shall illustrate that relay buffering is an effective way to reduce the intrinsic half-duplex penalty in cooperative…

机器学习 · 计算机科学 2015-05-20 Rui Wang , Vincent K. N. Lau , Ying Cui

Handover measurement is responsible for finding a handover target and directly decides the performance of mobility management. It is governed by a complex combination of parameters dealing with multi-cell scenarios and system dynamics. A…

网络与互联网体系结构 · 计算机科学 2015-02-03 Van Minh Nguyen , Chung Shue Chen , Laurent Thomas

This study presents a novel deep reinforcement learning (DRL)-based handover (HO) protocol, called DHO, specifically designed to address the persistent challenge of long propagation delays in low-Earth orbit (LEO) satellite networks' HO…

信息论 · 计算机科学 2023-11-01 Ju-Hyung Lee , Chanyoung Park , Soohyun Park , Andreas F. Molisch

This paper investigates the handover performance on high speed train (HST) via different speed under three scenarios, which are viaduct environment, cutting environment and urban area. To provide stable wireless service, we adopt Long Term…

网络与互联网体系结构 · 计算机科学 2017-03-30 Jingxian Liu , Xiyu Wang

In the evolution towards 6G user-centric networking, the moving network (MN) paradigm can play an important role. In a MN, some small cell base stations (BS) are installed on top of vehicles, and enable a more dynamic, flexible and…

网络与互联网体系结构 · 计算机科学 2025-07-22 Laura Finarelli , Falko Dressler , Marco Ajmone Marsan , Gianluca Rizzo

Many data applications in the next generation cellular networks, such as content precaching and video progressive downloading, require flow-level quality of service (QoS) guarantees. One such requirement is deadline, where the transmission…

信息论 · 计算机科学 2012-10-04 Huasen Wu , Youguang Zhang , Xin Liu

Mobility support in future networks will be predominately based on micro mobility protocols. Current proposed schemes such as Hierarchical Mobile IPv6 (HMIPv6) and more importantly Proxy Mobile IPv6 (PMIPv6) provide localized mobility…

网络与互联网体系结构 · 计算机科学 2015-01-22 Esmat Mirzamany , Vasilis Friderikos

In cellular networks, cell handover refers to the process where a device switches from one base station to another, and this mechanism is crucial for balancing the load among different cells. Traditionally, engineers would manually adjust…

网络与互联网体系结构 · 计算机科学 2025-04-21 Yang Shen , Shuqi Chai , Bing Li , Xiaodong Luo , Qingjiang Shi , Rongqing Zhang

Cell Switch-Off (CSO) is recognized as a promising approach to reduce the energy consumption in next-generation cellular networks. However, CSO poses serious challenges not only from the resource allocation perspective but also from the…

网络与互联网体系结构 · 计算机科学 2016-11-07 David González G. , Jyri Hämäläinen , Halim Yanikomeroglu , Mario García-Lozano , Gamini Senarath

We propose the QoS-aware BS-selection and the corresponding resource-allocation schemes for downlink multi-user transmissions over the distributed multiple-input-multiple-output (MIMO) links, where multiple location-independent…

信息论 · 计算机科学 2011-05-03 Qinghe Du , Xi Zhang

LTE is an emerging wireless data communication technology to provide broadband ubiquitous Internet access. Femtocells are included in 3GPP since Release 8 to enhance the indoor network coverage and capacity. The main challenge of mobility…

网络与互联网体系结构 · 计算机科学 2014-11-12 Pantha Ghosal , Shouman Barua , Ramprasad Subramanian , Shiqi Xing , Kumbesan Sandrasegaran

Future Vehicle-to-Everything (V2X) scenarios require high-speed, low-latency, and ultra-reliable communication services, particularly for applications such as autonomous driving and in-vehicle infotainment. Dense heterogeneous cellular…

系统与控制 · 电气工程与系统科学 2024-12-17 Bowen Xie , Sheng Zhou , Zhisheng Niu , Hao Wu , Cong Shi

We investigate the problem of designing delay-aware joint flow control, routing, and scheduling algorithms in general multi-hop networks for maximizing network utilization. Since the end-to-end delay performance has a complex dependence on…

最优化与控制 · 数学 2015-03-17 Haozhi Xiong , Ruogu Li , Atilla Eryilmaz , Eylem Ekici

Powerful spectrum handover schemes enable cognitive radios (CRs) to use transmission opportunities in primary users' channels appropriately. In this paper, we consider the cognitive access of primary channels by a secondary user. We…

性能 · 计算机科学 2012-01-04 Hossein Shokri-Ghadikolaei , Mohammad Mozaffari , Masoumeh Nasiri-Kenari

Intelligent wireless networks have long been expected to have self-configuration and self-optimization capabilities to adapt to various environments and demands. In this paper, we develop a novel distributed hierarchical deep reinforcement…

信号处理 · 电气工程与系统科学 2023-12-06 Kaiwen Yu , Chonghao Zhao , Gang Wu , Geoffrey Ye Li

Advances in wireless technology have significantly increased the number of wireless connections, leading to higher energy consumption in networks. Among these, base stations (BSs) in radio access networks (RANs) account for over half of the…

信号处理 · 电气工程与系统科学 2024-12-30 Shuo Sun , Chong Huang , Gaojie Chen , Pei Xiao , Rahim Tafazolli

This study aims to introduce and address the problem of traffic load estimation in the cell switching concept within the evolving landscape of vertical heterogeneous networks (vHetNets). The problem is that the practice of cell switching…

网络与互联网体系结构 · 计算机科学 2024-05-06 Maryam Salamatmoghadasi , Metin Ozturk , Halim Yanikomeroglu