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This paper investigates sensor scheduling for state estimation of complex networks over shared transmission channels. For a complex network of dynamical systems, referred to as nodes, a sensor network is adopted to measure and estimate the…

系统与控制 · 电气工程与系统科学 2023-01-12 Peihu Duan , Lidong He , Lingying Huang , Guanrong Chen , Ling Shi

Motion planning at urban intersections that accounts for the situation context, handles occlusions, and deals with measurement and prediction uncertainty is a major challenge on the way to urban automated driving. In this work, we address…

机器人学 · 计算机科学 2021-10-22 Johannes Müller , Jan Strohbeck , Martin Herrmann , Michael Buchholz

The bulk of the research on Long Term Evolution/Long Term Evolution-Advanced packet scheduling is concentrated in the downlink and the uplink is comparatively less explored. In up-link, channel aware scheduling with throughput maximization…

网络与互联网体系结构 · 计算机科学 2020-05-19 Atri Mukhopadhyay , Goutam Das

We address the problem of opportunistic multiuser scheduling in downlink networks with Markov-modeled outage channels. We consider the scenario in which the scheduler does not have full knowledge of the channel state information, but…

网络与互联网体系结构 · 计算机科学 2011-12-08 Wenzhuo Ouyang , Sugumar Murugesan , Atilla Eryilmaz , Ness B. Shroff

The significance of transportation efficiency, safety, and related services is increasing in urban vehicular networks. Within such networks, roadside units (RSUs) serve as intermediates in facilitating communication. Therefore, the…

神经与进化计算 · 计算机科学 2024-11-06 Weian Guo , Zecheng Kang , Dongyang Li , Lun Zhang , Li Li

Uplink sensing is still a relatively unexplored scenario in integrated sensing and communication which can be used to improve positioning and sensing estimates. We introduce a pilot-based maximum likelihood, and a maximum a posteriori…

信号处理 · 电气工程与系统科学 2024-06-13 Enrique T. R. Pinto , Markku Juntti

Urban vehicle-to-vehicle (V2V) link scheduling with shared spectrum is a challenging problem. Its main goal is to find the scheduling policy that can maximize system performance (usually the sum capacity of each link or their energy…

网络与互联网体系结构 · 计算机科学 2023-10-13 Lihao Zhang , Haijian Sun , Jin Sun , Ramviyas Parasuraman , Yinghui Ye , Rose Qingyang Hu

5G vehicular communication is one of key enablers in next generation intelligent transportation system (ITS), that require ultra-reliable and low latency communication (URLLC). To meet this requirement, a new hybrid vehicular network…

网络与互联网体系结构 · 计算机科学 2018-12-10 Shikuan Li , Zipeng Li , Xiaohu Ge , Yonghui Li

This paper investigates the data collection enhancement problem in a reconfigurable intelligent surface (RIS)-empowered intelligent consumer transportation system (ICTS). We propose a novel framework where a data center (DC) provides energy…

信息论 · 计算机科学 2025-09-12 Chunjie Wang , Xuhui Zhang , Wenchao Liu , Jinke Ren , Shuqiang Wang , Yanyan Shen , Kejiang Ye , Kim Fung Tsang

This work proposes a centrality-based approach to identify data offloading points in a VSN. The solution presents a scheme to select vehicles used as aggregation points to collect and aggregate other vehicles' data before uploading it to…

网络与互联网体系结构 · 计算机科学 2024-09-23 Douglas Moura , Geymerson S. Ramos , Andre L. L. Aquino , Antonio Loureiro

We propose a combined uplink/downlink opportunistic scheduling algorithm for infrastructure WLANs. In the presence of both uplink and downlink flows, an infrastructure WLAN suffers from the uplink/downlink unfairness problem which severely…

网络与互联网体系结构 · 计算机科学 2013-10-31 Nischal S , Vinod Sharma

In this paper, an uplink scheduling policy problem to minimize the network latency, defined as the air-time to serve all of users with a quality-of-service (QoS), under an energy constraint is considered in a training-based large-scale…

信息论 · 计算机科学 2016-07-27 Kyung Jun Choi , Kwang Soon Kim

Uplink-downlink decoupling in which users can be associated to different base stations in the uplink and downlink of heterogeneous small cell networks (SCNs) has attracted significant attention recently. However, most existing works focus…

信息论 · 计算机科学 2016-11-15 Mingzhe Chen , Walid Saad , Changchuan Yin

This letter investigates a channel assignment problem in uplink wireless communication systems. Our goal is to maximize the sum rate of all users subject to integer channel assignment constraints. A convex optimization based algorithm is…

信号处理 · 电气工程与系统科学 2020-01-14 Guangyu Jia , Zhaohui Yang , Hak-Keung Lam , Jianfeng Shi , Mohammad Shikh-Bahaei

This paper studies the problem of non-cooperative radio resource scheduling in a vehicle-to-vehicle communication network. The technical challenges lie in high vehicle mobility and data traffic variations. Over the discrete scheduling…

网络与互联网体系结构 · 计算机科学 2018-09-05 Xianfu Chen , Celimuge Wu , Mehdi Bennis , Zhifeng Zhao , Zhu Han

Channel estimation techniques for orthogonal time frequency space (OTFS) modulation scheme are investigated. The orthogonal matching pursuit algorithm is investigated with and without side channel information, and an efficient data…

信息论 · 计算机科学 2024-08-28 Yatish Pachigolla , Lorenzo Zaniboni , Mahdi Mahvari

Vehicular Ad hoc Networks (VANET) are expected to have great potential to improve both traffic safety and comfort in the future. When many vehicles want to access data through roadside unit, data scheduling become an important issue. In…

网络与互联网体系结构 · 计算机科学 2010-10-05 Sayadi Mohammad Javad , Fathy Mahmood

Massive MIMO systems, where the base stations are equipped with hundreds of antennas, are an attractive way to handle the rapid growth of data traffic. As the number of users increases, the initial access and handover in contemporary…

信息论 · 计算机科学 2016-05-04 Luca Sanguinetti , Antonio A. D'Amico , Michele Morelli , Merouane Debbah

We focus on the downlink of a cellular system, which corresponds to the bulk of the data transfer in such wireless systems. We address the problem of opportunistic multiuser scheduling under imperfect channel state information, by…

信息论 · 计算机科学 2016-11-15 Sugumar Murugesan , Philip Schniter , Ness B. Shroff

This paper considers the downlink traffic from a base station to two different clients. When assuming infinite backlog, it is known that inter-session network coding (INC) can significantly increase the throughput. However, the…

网络与互联网体系结构 · 计算机科学 2016-06-15 Wei-Cheng Kuo , Chih-Chun Wang