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相关论文: Joint User Association and Resource Allocation Opt…

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Ultra-reliable and low-latency communications (URLLC) are considered as one of three new application scenarios in the fifth generation cellular networks. In this work, we aim to reduce the user experienced delay through prediction and…

信号处理 · 电气工程与系统科学 2024-10-30 Zhanwei Hou , Changyang She , Yonghui Li , Zhuo Li , Branka Vucetic

This paper jointly investigates user association (UA), mode selection (MS), and bandwidth allocation (BA) problems in a novel and practical next-generation cellular network where two modes of semantic communication (SemCom) and conventional…

网络与互联网体系结构 · 计算机科学 2024-10-23 Le Xia , Yao Sun , Dusit Niyato , Lan Zhang , Lei Zhang , Muhammad Ali Imran

In this paper, we investigate for the first time the dynamic power allocation and decoding order at the base station (BS) of two-user uplink (UL) cooperative non-orthogonal multiple access (C-NOMA)-based cellular networks. In doing so, we…

信息论 · 计算机科学 2022-03-25 Mohamed Elhattab , Mohamed Amine Arfaoui , Chadi Assi , Ali Ghrayeb , Marwa Qaraqe

The proliferation of wireless-enabled applications with divergent quality of service (QoS) requirements necessitates tailored QoS provisioning. With the growing complexity of wireless infrastructures, application-specific QoS perceived by a…

网络与互联网体系结构 · 计算机科学 2024-03-12 Yongqin Fu , Xianbin Wang

This paper studies the problem of user association, scheduling and channel allocation in dense cellular networks with energy harvesting base stations (EBSs). In this problem, the EBSs are powered solely by renewable energy and each user has…

信息论 · 计算机科学 2022-01-28 Zoubeir Mlika , Elmahdi Driouch , Wessam Ajib

This paper provides a unified framework to deal with the challenges arising in dense cloud radio access networks (C-RAN), which include huge power consumption, limited fronthaul capacity, heavy computational complexity, unavailability of…

网络与互联网体系结构 · 计算机科学 2017-08-23 Cunhua Pan , Huiling Zhu , Nathan J. Gomes , Jiangzhou Wang

Within 3GPP, the campus network architecture has evolved as a deployment option for industries and can be provisioned using network slicing over already installed 5G public network infrastructure. In campus networks, the ultra-reliable low…

网络与互联网体系结构 · 计算机科学 2025-11-20 Iulisloi Zacarias , Francisco Carpio , André Costa Drummond , Admela Jukan

We aim at maximizing the sum rate of secondary users (SUs) in OFDM-based Heterogeneous Cognitive Radio (CR) Networks using RF energy harvesting. Assuming SUs operate in a time switching fashion, each time slot is partitioned into three…

网络与互联网体系结构 · 计算机科学 2017-05-12 Ali Shahini , Nirwan Ansari

A dense deployment of on-grid small cell base stations (SBSs) in a heterogeneous cellular network (HCN) results in large power consumption which can be reduced by utilizing harvested energy from scavenge sources. Recently, a new layout for…

网络与互联网体系结构 · 计算机科学 2018-09-18 Waqas ur Rehman , Arshad Hussain , M. Majid Butt

In cellular wireless networks, user association refers to the problem of assigning mobile users to base station cells -- a critical, but challenging, problem in many emerging small cell and heterogeneous networks. This paper considers a…

网络与互联网体系结构 · 计算机科学 2013-04-16 Changkyu Kim , Russell Ford , Yanjia Qi , Sundeep Rangan

Ultra-reliability and low latency communication has long been an important but challenging task in the fifth and sixth generation wireless communication systems. Scheduling as many users as possible to serve on the limited time-frequency…

信息论 · 计算机科学 2021-09-10 Shiwen He , Jun Yuan , Zhenyu An , Yunshan Yi , Yongming Huang

This paper presents a downlink reconfigurable intelligent surface (RIS)-assisted half-duplex (HD) cooperative rate splitting multiple access (C-RSMA) networks. The proposed system model is built up considering one base station (BS), one…

信息论 · 计算机科学 2022-08-16 Shreya Khisa , Mohamad Elhattab , Chadi Assi , Sanaa Sharafeddine

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

This paper studies an intelligent reflecting surface (IRS)-aided downlink ultra-reliable and low-latency communication (URLLC) system, in which an IRS is dedicatedly deployed to assist a base station (BS) to send individual short-packet…

信息论 · 计算机科学 2021-05-27 Hailiang Xie , Jie Xu , Ya-Feng Liu , Liang Liu , Derrick Wing Kwan Ng

This paper studies joint uplink (UL) and downlink (DL) resource allocation in user-centric orthogonal frequency division multiple access (OFDMA) cloud radio access network (CRAN), where the users select the distributed remote radio heads…

信息论 · 计算机科学 2019-06-21 Zehong Lin , Yuan Liu

To overcome the limited on-board battery issue of nominal airborne base stations (ABSs), we are exploring the use of robotic airborne base station (RABS) with energy neutral grasping end-effectors that are able to autonomously perch at tall…

网络与互联网体系结构 · 计算机科学 2023-01-20 Yuan Liao , Vasilis Friderikos

The challenges in dense ultra-reliable low-latency communication networks to deliver the required service to multiple devices are addressed by three main technologies: multiple antennas at the base station (MISO), rate splitting multiple…

信号处理 · 电气工程与系统科学 2024-11-08 Eduard Jorswieck , Mohammad Soleymani , Ignacio Santamaria , Jesús Gutiérrez

This paper develops a comprehensive framework to investigate and optimize the downlink performance of cooperative multi-band networks (MBNs) operating on upper mid-band (UMB) and terahertz (THz) frequencies, where base stations (BSs) in…

信号处理 · 电气工程与系统科学 2025-09-30 Mohammad Amin Saeidi , Hina Tabassum

Enhanced mobile broadband (eMBB) and ultrareliable and low-latency communications (URLLC) are two major expected services in the fifth-generation mobile communication systems (5G). Specifically, eMBB applications support extremely high data…

信息论 · 计算机科学 2021-09-14 Qimei Chen , Jiajia Wang , Hao Jiang

Semantic communication (SemCom) has emerged as a promising paradigm that leverages Deep Neural Networks (DNNs) to extract task-relevant information, thereby substantially reducing the volume of transmitted data. In existing implementations,…

网络与互联网体系结构 · 计算机科学 2026-03-10 Xingqiu He , Chaoqun You , Zihan Chen , Yao Sun , Dongzhu Liu , Tony Q. S. Quek , Yue Gao