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High-speed railway (HSR) communications will become a key feature supported by intelligent transportation communication systems. The increasing demand for HSR communications leads to significant attention on the study of radio resource…

Information Theory · Computer Science 2016-03-18 Shengfeng Xu , Gang Zhu , Bo Ai , Zhangdui Zhong

In this paper, we investigate the delay-aware dynamic resource management problem for multi-service transmission in high-speed railway wireless communications, with a focus on resource allocation among the services and power control along…

Networking and Internet Architecture · Computer Science 2016-01-08 Shengfeng Xu , Gang Zhu , Chao Shen , Shichao Li , Zhangdui Zhong

With the development of wireless communication, higher requirements arise for train-ground wireless communications in high-speed railway (HSR) scenarios. The millimeter-wave (mm-wave) frequency band with rich spectrum resources can provide…

Information Theory · Computer Science 2021-04-29 Xiangfei Zhang , Yong Niu , Shiwen Mao , Yunlong Cai , Ruisi He , Bo Ai , Zhangdui Zhong , Yiru Liu

The field of wireless networks has been rapidly developed during the past decade due to the increasing popularity of the mobile devices. The great demand for mobility and connectivity makes wireless networking a field whose continuous…

Networking and Internet Architecture · Computer Science 2015-05-06 Evangelos Katis

High-speed railway (HSR) communications are pivotal for ensuring rail safety, operations, maintenance, and delivering passenger information services. The high speed of trains creates rapidly time-varying wireless channels, increases the…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Wen Li , Wei Chen , Shiyue Wang , Yuanyuan Zhang , Michail Matthaiou , Bo Ai

In high speed railways (HSRs) communication system, when a train travels along the railway with high velocity, the wireless channel between the train and base station varies strenuously, which makes it essential to implement appropriate…

Information Theory · Computer Science 2014-11-24 Tao Li , Pingyi Fan , Ke Xiong , K. B. Letaief

High-speed train (HST) communication is a very challenging scenario in wireless communication systems due to its fast time-varying channels and significant penetration loss. Thanks to the low cost and smart channel reconfiguration ability,…

Information Theory · Computer Science 2021-03-18 Heng Liu , Jiayi Zhang , Qingqing Wu , Yu Jin , Yuanbin Chen , Bo Ai

In modern wireless communication systems, there is a rapidly increasing demand for connectivity to wireless networks. Devices such as internet of things (IoT) devices, connected vehicles, smartphones, surveillance systems, and various other…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Armin Farhadi , Ali Olfat

An important issue in heterogeneous wireless networks is how to optimally utilize various radio resources. While many methods have been proposed for managing radio resources in each network, these methods are not suitable for heterogeneous…

Networking and Internet Architecture · Computer Science 2021-01-08 Abbas Mirzaei , Morteza Barari , Houman Zarrabi

Wireless communication applications has acquired a vastly increasing range over the past decade. This rapidly increasing demand implies limitations on utilizing wireless resources. One of the most important resources in wireless…

Signal Processing · Electrical Eng. & Systems 2019-04-01 Mohammadreza Mousaei

The fog radio access network (Fog-RAN) has been considered a promising wireless access architecture to help shorten the communication delay and relieve the large data delivery burden over the backhaul links. However, limited by conventional…

Information Theory · Computer Science 2021-03-04 Jun Yu , Rui Wang , Jun Wu

Location management refers to the problem of updating and searching the current location of mobile nodes in a wireless network. To make it efficient, the sum of update costs of location database must be minimized. Previous work relying on…

Networking and Internet Architecture · Computer Science 2012-04-10 N. Mallikharjuna Rao

This article provides an overview of the state-of-art results on communication resource allocation over space, time, and frequency for emerging cognitive radio (CR) wireless networks. Focusing on the…

Information Theory · Computer Science 2016-11-17 Rui Zhang , Ying-Chang Liang , Shuguang Cui

The rapid development of high-speed railways (HSRs) puts forward high requirements on the corresponding communication system. Millimeter wave (mmWave) can be a promising solution due to its wide bandwidth, narrow beams, and rich spectrum…

Information Theory · Computer Science 2022-10-19 Lei Wang , Bo Ai , Yong Niu , Zhangdui Zhong , Shiwen Mao , Ning Wang , Zhu Han

Future wireless communications are promising to support ubiquitous connections and high data rates with cost-effective devices. Benefiting from the energy-efficient elements with low cost, reconfigurable intelligent surface (RIS) emerges as…

Information Theory · Computer Science 2024-07-19 Xiao Zheng , Wenchi Cheng , Jingqing Wang , Wei Zhang

High speed railways (HSRs) have been deployed widely all over the world in recent years. Different from traditional cellular communication, its high mobility makes it essential to implement power allocation along the time. In the HSR case,…

Information Theory · Computer Science 2014-03-19 Yunquan Dong , Pingyi Fan , Khaled Ben Letaief

The evolution of mobile wireless systems into Heterogeneous Networks, along with the introduction of the 5th Generation (5G) systems, significantly increased the complexity of radio resource management. The current mobile networks consist…

Networking and Internet Architecture · Computer Science 2021-08-02 Marcin Dryjański , Adrian Kliks

This paper considers the design of optimal resource allocation policies in wireless communication systems which are generically modeled as a functional optimization problem with stochastic constraints. These optimization problems have the…

Machine Learning · Computer Science 2022-02-08 Mark Eisen , Clark Zhang , Luiz F. O. Chamon , Daniel D. Lee , Alejandro Ribeiro

Recently, utilizing renewable energy for wireless system has attracted extensive attention. However, due to the instable energy supply and the limited battery capacity, renewable energy cannot guarantee to provide the perpetual operation…

Networking and Internet Architecture · Computer Science 2016-11-17 Weiqiang Xu , Yushu Zhang , Qingjiang Shi , Xiaodong Wang

Mobile media has undoubtedly become the predominant source of traffic in wireless networks. The result is not only congestion and poor Quality-of-Experience, but also an unprecedented energy drain at both the network and user devices. In…

Multimedia · Computer Science 2014-09-04 Hatem Abou-zeid , Hosssam S. Hassenein
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