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- 저자 : Maode Ma (검색결과 5 건)
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Maode Yan,Wenrui Ma,Lei Zuo,Panpan Yang 제어·로봇·시스템학회 2019 International Journal of Control, Automation, and Vol.17 No.12
This paper presents a dual-mode distributed model predictive control (DMPC) strategy for the platooning of connected vehicles with nonlinear dynamics. A third-order nonlinear model is employed to describe the dynamic characteristics of vehicles. In order to deal with the system nonlinearity and enhance the control precision, a DMPC based optimization problem is formulated for the vehicle platoon control, in which the nonlinear dynamics and the input boundaries are both considered as its constraints. Then, a dual-mode structure with the control scheme from the optimization and a local state feedback controller is proposed to drive the vehicles to the desired platoon. Comparing with other vehicle platoon algorithms, the proposed dual-mode DMPC strategy can significantly reduce the computational burden and save communication resources. Furthermore, the iterative feasibility and the stability of proposed control system are strictly analyzed. In final, numerical simulations are provided to validate the effectiveness of the proposed approaches.
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Efficient Message Scheduling for WDM Optical Networks with Minimizing Flow Time
Huang, Xiaohong,Ma, Maode The Korea Institute of Information and Commucation 2004 Journal of communications and networks Vol.6 No.2
In this paper, we propose an efficient sequencing technique, namely minimum Row time scheduling (MFTS), to manage variable-Iength message transmissions for single-hop passive starcoupled WDM optical networks. By considering not only the message length but also the state of the receivers and the tuning latency, the proposed protocol can reduce the average delay of the network greatly. This paper also introduces a new channel assignment technique latency minimizing scheduling (LMS), which aims to reduce the scheduling latency. We evaluate the proposed algorithm, using extensive discrete-event simulations, by comparing its performance with shortest job first (SJF) algorithm. We find that significant improvement in average delay could be achieved by MFTS algorithm. By combining the proposed message sequencing technique with the channel selection technique, the performance of the optical network could be further improved.
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Access Authentication of Mass Device Connections for MTC in LTE Networks
Jin Cao,Maode Ma,Hui Li 한국산학기술학회 2014 SmartCR Vol.4 No.4
Machine Type Communication, also called Machine to Machine communication, is one of the next generations of sophisticated techniques for future wireless communications. It is attracting tremendous interest in standardization organizations such as the third Generation Partnership Project. Accommodating data and signaling traffic from massive Machine Type Communication devices is a challenging task to ensure the security of Machine Type Communication applications in Long Term Evolution networks, as the number of Machine Type Communication devices continues to increase. Since each Machine Type Communication device has to implement an independent access authentication procedure specified by the current third Generation Partnership Project standard, it will incur severe signaling congestions in the Long Term Evolution networks when a large number of Machine Type Communication devices simultaneously connect to the network. In this paper, we propose a new access authentication and key agreement scheme based on an aggregate signature to avoid signaling overload in Long Term Evolution network elements. Our scheme can greatly reduce the signal traffic for a multitude of Machine Type Communication devices connected to the network and also provide robust security protection with desirable efficiency. The experimental results and formal verification using the AVISPA and SPAN tools show that the proposed scheme is efficient and secure against various malicious attacks.
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A Secure and Efficient Message Authentication Scheme for Vehicular Networks based on LTE-V
( Cheng Xu ),( Xiaohong Huang ),( Maode Ma ),( Hong Bao ) 한국인터넷정보학회 2018 KSII Transactions on Internet and Information Syst Vol.12 No.6
Vehicular networks play an important role in current intelligent transportation networks and have gained much attention from academia and industry. Vehicular networks can be enhanced by Long Term Evolution-Vehicle (LTE-V) technology, which has been defined in a series of standards by the 3rd Generation Partnership Project (3GPP). LTE-V technology is a systematic and integrated V2X solution. To guarantee secure LTE-V communication, security and privacy issues must be addressed before the network is deployed. The present study aims to improve the security functionality of vehicular LTE networks by proposing an efficient and secure ID-based message authentication scheme for vehicular networks, named the ESMAV. We demonstrate its ability to simultaneously support both mutual authentication and privacy protection. In addition, the ESMAV exhibit better performance in terms of overhead computation, communication cost, and security functions, which includes privacy preservation and non-frameability.
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