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The millimeter wave (mmWave) band has the potential to provide high throughput among wearable devices. When mmWave wearable networks are used in crowded environments, such as on a bus or train, antenna directivity and orientation hold the…

信息论 · 计算机科学 2015-12-03 Kiran Venugopal , Matthew C. Valenti , Robert W. Heath

Multiuser Multi-Packet Transmission (MPT) from an Access Point (AP) equipped with multiple antennas to multiple single-antenna nodes can be achieved by exploiting the spatial dimension of the channel. In this paper we present a queueing…

网络与互联网体系结构 · 计算机科学 2013-10-22 Boris Bellalta , Azadeh Faridi , Jaume Barcelo , Vanesa Daza , Miquel Oliver

Joint access point (AP) association and physical carrier sensing (PCS) threshold selection has the potential to improve the performance in high density wireless LANs (WLANs) under high contention, interference and self-interference (SI)…

信息论 · 计算机科学 2021-04-29 Phillip B. Oni , Steven D. Blostein

The use of millimeter wave (mmWave) spectrum for commercial wireless communications is expected to offer data rates in the order of Gigabits-per-second, thus able to support future applications such as Vehicle-to-Vehicle or…

信号处理 · 电气工程与系统科学 2020-02-20 Anastasios Dimas , Dionysios S. Kalogerias , Athina P. Petropulu

Mobile backhaul system based on a wireless mesh network using point-to-point millimetre wave links is a promising solution for dense 5G small cell deployments. While mmW radio technology can provide the sufficient capacity, the management…

网络与互联网体系结构 · 计算机科学 2020-05-26 Kari Seppänen , Pekka J. Wainio

This paper investigates the uplink channel estimation of the millimeter-wave (mmWave) extremely large-scale multiple-input-multiple-output (XL-MIMO) communication system in the beam-delay domain, taking into account the near-field and…

信号处理 · 电气工程与系统科学 2024-10-28 Hongwei Hou , Xuan He , Tianhao Fang , Xinping Yi , Wenjin Wang , Shi Jin

With the overcrowded sub-6 GHz bands, millimeter wave (mmWave) bands offer a promising alternative for the next generation wireless standard, i.e., 5G. However, the susceptibility of mmWave signals to severe pathloss and shadowing requires…

信号处理 · 电气工程与系统科学 2017-10-13 Solmaz Niknam , Balasubramaniam Natarajan , Reza Barazideh

With the growing interest in cell-free massive multiple-input multiple-output (MIMO) systems, the benefits of single-antenna access points (APs) versus multi-antenna APs must be analyzed in order to optimize deployment. In this paper, we…

信号处理 · 电气工程与系统科学 2021-08-05 Thomas Choi , Peng Luo , Akshay Ramesh , Andreas F. Molisch

This paper investigates the throughput performance issue of the relay-assisted mmWave backhaul network. The maximum traffic demand of small-cell base stations (BSs) and the maximum throughput at the macro-cell BS have been found in a…

网络与互联网体系结构 · 计算机科学 2022-02-23 Qiang Hu , Yuchen Liu , Yan Yan , Miao Liu , Jun Zheng , Douglas M. Blough

This paper investigates the network-assisted full-duplex (NAFD) cell-free millimeter-wave (mmWave) networks, where the distribution of the transmitting access points (T-APs) and receiving access points (R-APs) across distinct geographical…

信息论 · 计算机科学 2024-04-02 Qingrui Fan , Yu Zhang , Jiamin Li , Dongming Wang , Hongbiao Zhang , Xiaohu You

This paper studies the network throughput and transport delay of a multihop wireless random access network based on a Markov renewal model of packet transportation. We show that the distribution of the source-to-destination (SD) distance…

网络与互联网体系结构 · 计算机科学 2008-05-12 Lin Dai , Tony T. Lee

Unmanned aerial vehicle (UAV) has the advantages of large coverage and flexibility, which could be applied in disaster management to provide wireless services to the rescuers and victims. When UAVs forms an aerial mesh network,…

机器人学 · 计算机科学 2023-11-28 Zhiqing Wei , Jialin Zhu , Zijun Guo , Fan Ning

Provisioning of high throughput millimetre-wave signal to indoor areas that potentially serve a large number of users, such as transportation hubs or convention centres, will require dedicated indoor millimetre-wave access point…

信息论 · 计算机科学 2018-02-19 Fadhil Firyaguna , Jacek Kibilda , Carlo Galiotto , Nicola Marchetti

An urban tactical wireless network is considered wherein the base stations are situated on unmanned aerial vehicles (UAVs) that provide connectivity to ground assets such as vehicles located on city streets. The UAVs are assumed to be…

信息论 · 计算机科学 2021-11-02 Enass Hriba , Matthew C. Valenti , Robert W. Heath

Millimeter wave (mmWave) holds promise as a carrier frequency for fifth generation cellular networks. Because mmWave signals are sensitive to blockage, prior models for cellular networks operated in the ultra high frequency (UHF) band do…

信息论 · 计算机科学 2014-10-21 Tianyang Bai , Robert W. Heath

Millimeter-waves' propagation characteristics create prospects for spatial and temporal spectrum sharing in a variety of contexts, including cognitive spectrum sharing (CSS). However, CSS along with omnidirectional sensing, is not efficient…

信息论 · 计算机科学 2023-06-05 Shuchi Tripathi , Abhishek K. Gupta , SaiDhiraj Amuru

Multi-hop uncrewed aerial vehicle (UAV) networks are promising to extend the terrestrial network coverage. Existing multi-hop UAV networks employ a single routing path by selecting the next-hop forwarding node in a hop-by-hop manner, which…

多智能体系统 · 计算机科学 2026-01-16 Zhenyu Zhao , Tiankui Zhang , Xiaoxia Xu , Junjie Li , Yuanwei Liu , Wenjuan Xing

In applications such as seismic acquisition, the position information of sensor nodes, that are deployed in a linear topology, is desired with sub-meter accuracy in the presence of a limited number of anchor nodes. This can be achieved with…

信号处理 · 电气工程与系统科学 2020-07-13 V. A. Reddy , A. Bazzi , G. L. Stuber , S. Al-Dharrab , W. Mesbah , A. H. Muqaibel

The end-to-end throughput of multi-hop communication in wireless ad hoc networks is affected by the conflict between forwarding nodes. It has been shown that sending more packets than maximum achievable end-to-end throughput not only fails…

网络与互联网体系结构 · 计算机科学 2019-05-15 Shahbaz Rezaei , Mohammed Gharib , Ali Movaghar

The performance of spatial multiplexing systems with linear minimum-mean-squared-error receivers is investigated in ad hoc networks. It is shown that single-stream transmission is preferable over multi-stream transmission, due to the weaker…

信息论 · 计算机科学 2010-03-17 Raymond H. Y. Louie , Matthew R. McKay , Nihar Jindal , Iain B. Collings