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相关论文: Cross-Layer Design for Near-Field mmWave Beam Mana…

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Merging mobile edge computing (MEC) functionality with the dense deployment of base stations (BSs) provides enormous benefits such as a real proximity, low latency access to computing resources. However, the envisioned integration creates…

信息论 · 计算机科学 2017-09-11 Yuxuan Sun , Sheng Zhou , Jie Xu

This paper presents the first machine learning based real-world demonstration for radar-aided beam prediction in a practical vehicular communication scenario. Leveraging radar sensory data at the communication terminals provides important…

信号处理 · 电气工程与系统科学 2021-11-19 Umut Demirhan , Ahmed Alkhateeb

Existing solutions to network scheduling typically assume that the instantaneous link rates are completely known before a scheduling decision is made or consider a bandit setting where the accurate link quality is discovered only after it…

机器学习 · 计算机科学 2023-01-13 Tianyi Xu , Ding Zhang , Zizhan Zheng

This paper studies a novel training-free energy beam focusing approach for a near-field wireless power transfer (WPT) system with extremely large-scale antenna array (ELAA). In particular, we focus on the setup with one access point (AP)…

信息论 · 计算机科学 2024-10-17 Li Zhang , Zixiang Ren , Yuan Fang , Ling Qiu , Jie Xu

Long-range (LoRa) communication technology, distinguished by its low power consumption and long communication range, is widely used in the Internet of Things. Nevertheless, the LoRa MAC layer adopts pure ALOHA for medium access control,…

多智能体系统 · 计算机科学 2024-07-19 Ziqi Lin , Xu Zhang , Shimin Gong , Lanhua Li , Zhou Su , Bo Gu

Millimeter-wave (mmWave) communication systems, particularly those leveraging multi-user multiple-input and multiple-output (MU-MIMO) with hybrid beamforming, face challenges in optimizing user throughput and minimizing latency due to the…

信息论 · 计算机科学 2026-03-04 Ramin Hashemi , Vismika Ranasinghe , Teemu Veijalainen , Petteri Kela , Risto Wichman

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data rates in the future cellular and wireless networks. The need for directional communication between base stations (BSs) and users in mmWave systems,…

信号处理 · 电气工程与系统科学 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

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

This paper investigates two strategies to reduce the communication delay in future wireless networks: traffic dispersion and network densification. A hybrid scheme that combines these two strategies is also considered. The probabilistic…

网络与互联网体系结构 · 计算机科学 2018-03-15 Guang Yang , Ming Xiao , H. Vincent Poor

We consider transport layer approaches for achieving high rate, low delay communication over edge paths where the bottleneck is an 802.11ac WLAN. We first show that by regulating send rate so as to maintain a target aggregation level it is…

网络与互联网体系结构 · 计算机科学 2019-10-15 Hamid Hassani , Franceso Gringoli , Douglas J. Leith

We propose a hybrid architecture that integrates RF (i.e., sub-6 GHz) and millimeter wave (mmWave) technologies for 5G cellular systems. In particular, communications in the mmWave band faces significant challenges due to variable channels,…

信息论 · 计算机科学 2017-06-12 Morteza Hashemi , C. Emre Koksal , Ness B. Shroff

In this paper, we propose QoS aware MAC protocol for Wire- less Sensor Networks and its cross layer extension to network layer for providing QoS in delay sensitive WSN scenarios. In WSNs, there can be two types of traffic one is event…

网络与互联网体系结构 · 计算机科学 2011-10-10 Sukumar Nandi , Aditya Yadav

In this paper, we develop an algorithm for joint handover and beam tracking in millimeter-wave (mmWave) networks. The aim is to provide a reliable connection in terms of the achieved throughput along the trajectory of the mobile user while…

系统与控制 · 电气工程与系统科学 2023-01-16 Sara Khosravi , Hossein S. Ghadikolaei , Jens Zander , Marina Petrova

Low-altitude wireless networks (LAWNs) have been envisioned as flexible and transformative platforms for enabling delay-sensitive control applications in Internet of Things (IoT) systems. In this work, we investigate the real-time wireless…

信号处理 · 电气工程与系统科学 2025-07-04 Haijia Jin , Jun Wu , Weijie Yuan , Ruizhi Ruan , Jiacheng Wang , Dusit Niyato , Dong In Kim , Abbas Jamalipour

Millimeter Wave (MmWave) communication is one of the key technology of the fifth generation (5G) wireless systems to achieve the expected 1000x data rate. With large bandwidth at mmWave band, the link capacity between users and base…

信号处理 · 电气工程与系统科学 2019-03-19 Mingjie Feng , Shiwen Mao

Terahertz (THz) band is considered a promising candidate to meet the high-throughput requirement for future sixth-generation (6G) wireless communications due to its ultrawide bandwidth. However, due to the high penetration loss at…

信号处理 · 电气工程与系统科学 2025-10-30 Caihao Weng , Yuqing Guo , Bowen Zhao , Ying Wang , Wen Chen , Zhendong Li

The millimeter wave (mmWave) frequencies offer the availability of huge bandwidths to provide unprecedented data rates to next-generation cellular mobile terminals. However, mmWave links are highly susceptible to rapid channel variations…

网络与互联网体系结构 · 计算机科学 2019-11-05 Marco Giordani , Michele Polese , Arnab Roy , Douglas Castor , Michele Zorzi

The sensitivity of millimeter wave (mmWave) signals to blockages is a fundamental challenge for mobile mmWave communication systems. The sudden blockage of the line-of-sight (LOS) link between the base station and the mobile user normally…

信息论 · 计算机科学 2018-07-11 Ahmed Alkhateeb , Iz Beltagy

Beam management, including initial access (IA) and beam tracking, is essential to the millimeter-wave Unmanned Aerial Vehicle (UAV) network. However, conventional communication-only and feedback-based schemes suffer a high delay and low…

信号处理 · 电气工程与系统科学 2023-10-13 Yanpeng Cui , Qixun Zhang , Zhiyong Feng , Qin Wen , Ying Zhou , Zhiqing Wei , Ping Zhang

Millimeter-wave (mmWave) communication is a promising solution to the high data rate demands in the upcoming 5G and beyond communication networks. When it comes to supporting seamless connectivity in mobile scenarios, resource and handover…

信号处理 · 电气工程与系统科学 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova