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The advance in RF energy transfer and harvesting technique over the past decade has enabled wireless energy replenishment for electronic devices, which is deemed as a promising alternative to address the energy bottleneck of conventional…

信息论 · 计算机科学 2015-01-06 Xiao Lu , Ian Flint , Dusit Niyato , Nicolas Privault , Ping Wang

This paper presents a detailed analysis of coverage in a factory environment using realistic 3D map data to evaluate the benefits of Distributed MIMO (D-MIMO) over colocalized approach. Our study emphasizes the importance of network…

网络与互联网体系结构 · 计算机科学 2025-03-04 Aymen Jaziri , David Demmer , Yoann Corre , Jean-Baptiste Doré , Didier Le Ruyet , Hmaied Shaiek , Pascal Chevalier

Femtocells have been considered by the wireless industry as a cost-effective solution not only to improve indoor service providing, but also to unload traffic from already overburdened macro networks. Due to spectrum availability and…

网络与互联网体系结构 · 计算机科学 2016-11-17 Xiaoli Chu , Yuhua Wu , David López-Pérez , Xiaofeng Tao

The secrecy outage performance of wireless communication systems operating over spatially correlated composite fading channels is analyzed in this paper. We adopt a multiplicative composite channel model for both the legitimate…

信息论 · 计算机科学 2017-10-04 George C. Alexandropoulos , Kostas P. Peppas

It is anticipated that much higher network capacity will be achieved by the fifth generation (5G) small cell networks incorporated with the millimeter wave (mmWave) technology. However, mmWave signals are more sensitive to blockages than…

网络与互联网体系结构 · 计算机科学 2018-12-06 Jiaqi Chen , Xiaohu Ge , Qiang Ni

Current theoretical studies on IoT-over-LEO satellite systems often rely on unrealistic assumptions, such as infinite terrestrial areas and omnidirectional satellite coverage, leaving significant gaps in theoretical analysis for more…

网络与互联网体系结构 · 计算机科学 2025-05-20 Wen-Yu Dong , Shaoshi Yang , Ping Zhang , Sheng Chen

This paper studies the information-theoretic secrecy performance in large-scale cellular networks based on a stochastic geometry framework. The locations of both base stations and mobile users are modeled as independent two-dimensional…

信息论 · 计算机科学 2014-01-09 He Wang , Xiangyun Zhou , Mark C. Reed

In this paper, a new mathematical framework to the analysis of millimeter wave cellular networks is introduced. Its peculiarity lies in considering realistic path-loss and blockage models, which are derived from experimental data recently…

信息论 · 计算机科学 2016-11-17 Marco Di Renzo

In this work, we analyze the performance of the uplink (UL) of a cellular network where the base station (BS) locations follow a homogeneous Poisson point process (PPP), and the locations of users and BSs are spatially coupled. In order to…

信息论 · 计算机科学 2018-05-25 Priyabrata Parida , Harpreet S. Dhillon

Coming cellular systems are envisioned to open up to new services and applications with high reliability and low latency requirements. In this paper we focus on the rate allocation problem in downlink cellular networks with Rayleigh fading…

网络与互联网体系结构 · 计算机科学 2018-06-13 Onel L. Alcaraz Lopez , Hirley Alves , Matti Latva-aho

Wireless power transfer and energy harvesting have attracted a significant research attention in terms of their application in cooperative relaying systems. Most of existing works in this field focus on the half-duplex (HD) relaying…

信号处理 · 电气工程与系统科学 2018-08-09 Galymzhan Nauryzbayev , Mohamed Abdallah , Khaled M. Rabie

Small cells deployment is one of the most significant long-term strategic policies of the mobile network operators. In heterogeneous networks (HetNets), small cells serve as offloading spots in the radio access network to offload macro…

网络与互联网体系结构 · 计算机科学 2017-01-05 Mirza Golam Kibria , Gabriel Porto Villardi , Wei-Shun Liao , Kien Nguyen , Kentaro Ishizu , Fumihide Kojima

In massive multiple-input multiple-output (MIMO) systems, the large number of antennas would bring a great challenge for the acquisition of the accurate channel state information, especially in the frequency division duplex mode. To…

信号处理 · 电气工程与系统科学 2020-09-04 Yindi Yang , Shun Zhang , Feifei Gao , Chao Xu , Jianpeng Ma , Octavia A. Dobre

We propose a novel analytical framework for evaluating the coverage performance of a millimeter wave (mmWave) cellular network where idle user equipments (UEs) act as relays. In this network, the base station (BS) adopts either the direct…

信息论 · 计算机科学 2019-12-30 Simin Xu , Nan Yang , Biao He , Hamid Jafarkhani

Subset selection is central to many wireless communication problems, including link scheduling, power allocation, and spectrum management. However, these problems are often NP-complete, because of which heuristic algorithms applied to solve…

信号处理 · 电气工程与系统科学 2025-03-06 Xiangliu Tu , Chiranjib Saha , Harpreet S. Dhillon

Decentralized baseband processing (DBP) architecture, which partitions the base station antennas into multiple antenna clusters, has been recently proposed to alleviate the excessively high interconnect bandwidth, chip input/output data…

信号处理 · 电气工程与系统科学 2021-05-25 Zhenyu Zhang , Yuanyuan Dong , Keping Long , Xiyuan Wang , Xiaoming Dai

The channel hardening effect is less pronounced in the cell-free massive multiple-input multiple-output (mMIMO) system compared to its cellular counterpart, making it necessary to estimate the downlink effective channel gains to ensure…

信息论 · 计算机科学 2024-04-12 Weiyang Xu , Ruiguang Wang , Yuan Zhang , Hien Quoc Ngo , Wei Xiang

The most studied continuum percolation model in two dimensions is the Boolean model consisting of disks with the same radius whose centers are randomly distributed on the Poisson point process (PPP). We also consider the Boolean percolation…

统计力学 · 物理学 2021-07-07 Machiko Katori , Makoto Katori

This paper analyzes the power imbalance issue in power-domain NOMA (PD-NOMA) in the presence of channel correlations, typically encountered on the downlink of cellular systems when the base station antennas have an insufficient separation.…

信息论 · 计算机科学 2022-09-12 Shaokai Hu , Hao Huang , Guan Gui , Hikmet Sari

Despite the common belief that substantial capacity gains can be achieved by using more antennas at the base-station (BS) side in cellular networks, the effect of BS antenna topology on the capacity scaling behavior is little understood. In…

信息论 · 计算机科学 2014-10-07 Zhiyang Liu , Lin Dai
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