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An adaptive randomized distributed space-time coding (DSTC) scheme and algorithms are proposed for two-hop cooperative MIMO networks. Linear minimum mean square error (MMSE) receivers and an amplify-and-forward (AF) cooperation strategy are…

Information Theory · Computer Science 2013-03-19 T. Peng , R. C. de Lamare , A. Schmeink

High-mobility adaption and massive Multiple-input Multiple-output (MIMO) application are two primary evolving objectives for the next generation high speed train (HST) wireless communication system. In this paper, we consider how to design…

Information Theory · Computer Science 2017-04-12 Xuhong Chen , Jiaxun Lu , Tao Li , Pingyi Fan , Khaled Ben Letaief

Comparing data defined over space and time is notoriously hard, because it involves quantifying both spatial and temporal variability, while at the same time taking into account the chronological structure of data. Dynamic Time Warping…

Machine Learning · Statistics 2019-11-12 Hicham Janati , Marco Cuturi , Alexandre Gramfort

As a green and secure wireless transmission method, secure spatial modulation (SM) is becoming a hot research area. Its basic idea is to exploit both the index of activated transmit antenna and amplitude phase modulation signal to carry…

Information Theory · Computer Science 2021-03-10 Feng Shu , Lin Liu , LiLi Yang , Xinyi Jiang , Guiyang Xia , Yuanyuan Wu , Xianpeng Wang , Shi Jin , Jiangzhou Wang , Xiaohu You

Differential Unitary Space-Time Modulation (DUSTM) and its earlier nondifferential counterpart, USTM, permit high-throughput MIMO communication entirely without the possession of channel state information (CSI) by either the transmitter or…

Information Theory · Computer Science 2007-07-13 Aris L. Moustakas , Steven H. Simon , Thomas L. Marzetta

Mainstream visual object tracking frameworks predominantly rely on template matching paradigms. Their performance heavily depends on the quality of template features, which becomes increasingly challenging to maintain in complex scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Meng Zhou , Jiadong Xie , Mingsheng Xu

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 demand for a broadband wireless connection is nowadays no longer limited to stationary situations, but also required while traveling. Therefore, there exist combined efforts to provide wireless access also on High Speed Trains (HSTs),…

Networking and Internet Architecture · Computer Science 2015-06-18 Martin Klaus Müller , Martin Taranetz , Markus Rupp

By using joint modulation and customized constellation set, we show that Quasi-Orthogonal Space-Time Block Code (QO-STBC) can be used to form a new differential space-time modulation (DSTM) scheme to provide full transmit diversity with…

Information Theory · Computer Science 2008-06-23 Chau Yuen , Yong Liang Guan , Tjeng Thiang Tjhung

Tracking tasks based on deep neural networks have greatly improved with the emergence of Siamese trackers. However, the appearance of targets often changes during tracking, which can reduce the robustness of the tracker when facing…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Yucheng Huang , Eksan Firkat , Ziwang Xiao , Jihong Zhu , Askar Hamdulla

Six-dimensional movable antenna (6DMA) is an effective approach to improve wireless network capacity by adjusting the 3D positions and 3D rotations of distributed antenna surfaces based on the users' spatial distribution and statistical…

Information Theory · Computer Science 2024-03-27 Xiaodan Shao , Rui Zhang , Qijun Jiang , Robert Schober

The technique of cooperative communications is finding its way in the next generations of many wireless communication applications. Due to the distributed nature of cooperative networks, acquiring fading channels information for coherent…

Information Theory · Computer Science 2014-08-18 M. R. Avendi

An adaptive delay-tolerant distributed space-time coding (DSTC) scheme that exploits feedback is proposed for two-hop cooperative MIMO networks. Maximum likelihood (ML) receivers and adjustable code matrices are considered subject to a…

Information Theory · Computer Science 2014-05-20 Tong Peng , Rodrigo C. de Lamare

We consider channel estimation for high-speed railway communication systems, where both the transmitter and the receiver are equipped with large-scale antenna arrays. It is known that the throughput of conventional training schemes…

Information Theory · Computer Science 2016-03-25 Tao Li , Xiaodong Wang , Pingyi Fan , Taneli Riihonen

In complex urban environments, dynamic obstacles and multipath effects lead to significant link attenuation and pervasive coverage blind spots. Conventional approaches based on large-scale fixed antenna arrays and UAV trajectory…

Information Theory · Computer Science 2025-08-15 Kan Yu , Kaixuan Li , Xiaowu Liu , Qixun Zhang , Zhiyong Feng

To attain seamless handover and reduce the han- dover failure probability for high-speed railway (HSR) com- munication systems, this paper proposes a remote antenna unit (RAU) selection assisted handover scheme where two antennas are…

Networking and Internet Architecture · Computer Science 2016-11-18 Yang Lu , Ke Xiong , Zhuyan Zhao , Pingyi Fan , Zhangdui Zhong

We investigate the design of a broadcast system where the aim is to maximise the throughput. This task is usually challenging due to the channel variability. Modern satellite communications systems such as DVB-SH and DVB-S2 mainly rely on…

Networking and Internet Architecture · Computer Science 2012-01-18 Hugo Meric , Jérôme Lacan , Fabrice Arnal , Guy Lesthievent , Marie-Laure Boucheret

In this paper, we present a non-coherent energy detection scheme for spatial modulation (SM) systems. In particular, the use of SM is motivated by its low-complexity implementation in comparison to multiple-input multiple-output (MIMO)…

Information Theory · Computer Science 2023-09-11 Elio Faddoul , Ghassan M. Kraidy , Constantinos Psomas , Symeon Chatzinotas , Ioannis Krikidis

The rapid development of Wi-Fi technologies in recent years has caused a significant increase in the traffic usage. Hence, knowledge obtained from Wi-Fi network measurements can be helpful for a more efficient network management. In this…

Networking and Internet Architecture · Computer Science 2024-08-20 Seyedeh Soheila Shaabanzadeh , Juan Sánchez-González

Movable antennas (MAs) have received increasing attention in wireless communications due to their capability of antenna position adjustment to reconfigure wireless channels. However, moving MAs results in non-negligible delay, which may…

Systems and Control · Electrical Eng. & Systems 2025-09-18 Qingliang Li , Weidong Mei , Boyu Ning , Rui Zhang