• 1.A Study on an Energy Conservation and Interconnection Scheme between WSN and Internet Based on the 6LoWPAN
  • Abstract: Wireless sensor network (WSN), which has broad application prospects, consists small nodes with sensing, computation and communications capabilities. Short for IPv6 over low power WPAN, 6LoWPAN is a kind of technology which makes IPv6 stack run on the LoWPAN devices. In order to establish seamless connection of two heterogeneous networks, WSN and IPv6 network, this paper proposes an improved Energy Conservation and Interconnection Scheme (ECIS) based the analysis of current schemes. Detailed design of each functional component in the new scheme is proposed, and an expansion of SSCS module in NS2 802.15.4 simulator is examined. Comprehensive experiments on the simulation platform show that this newly proposed scheme is advantageous over existed similar attempts.
  • Mobile Information Systems Journal, 2014.(SCI Index)
  • 2.An Intra-PAN Mobility Management Scheme for IPv6 over Low-Power Wireless Personal Area Networks
  • Abstract: This paper proposes an intra-PAN mobility management scheme for IPv6 over Low-Power Wireless Personal Area Networks (6LoWPAN) on the basis of “network-based” idea. We developed a tree-like network architecture which includes coordinate nodes for packet routing. All of the control messages are designed to transmit in link layer, and the sensor nodes are free to consider care-of address and the mobile nodes are unnecessary to deal with any mobility handoff messages. The simulation results show that this scheme efficiently cuts down the signaling cost and reduces the energy consumed by fixed nodes which can extend the life time of the whole Personal Area Networks (PAN).
  • Chinese Journal of Electronics, 2014.(SCI Index)
  • 3.Performance and Safety Assessment of ATO Systems in Urban Rail Transit System in China
  • Abstract: With the increase of group communication applications in the Internet, how to provide a secure communication has become an important research issue for network security. In this paper, a distributed group key management approach is proposed, which integrates zero-knowledge set and hierarchy structure. In this newly proposed approach, re-key procedure is finished in sub-group so that members in other sub-groups cannot be affected and improve the efficiency. Zero-knowledge set which is used for the key generation and the commitment computation from leaf nodes to root of the key tree, can assure the anonymity of all communication entities. Hierarchy structure is good for addressing the scalability problem of group key management, and it can improve the efficiency and performance of re-key procedure and correspondence. It is demonstrated that the approach can achieve better efficiency in terms of communication, computation, storage cost, anonymity and security through comparing to the other schemes.
  • Journal of Transportation Engineering, 2014, Vol. 139(7), 728–737.(SCI Index)
  • 4.An inter-PAN Mobility Support Scheme for IP-based Wireless Sensor Networks and Its Applications
  • Abstract: Mobility support for Wireless Sensor Networks (WSN) can significantly extend the use of WSN in many fields, such as industrial control, healthcare and smart home. And high-efficiency mobility support schemes are essential for WSN because this is a typical energy constrained network. This paper proposes a LoW cost inter-PAN Mobility Support Scheme (LoWMS) for IPv6 based WSN, which follows the network based idea. The scheme aims at reducing signaling cost when sensor nodes move between two Personal Area Networks. In order to realize it, the handoff related control messages are designed to transmit in link layer, and resolution for ping-pong handoff is also given. Simulation results show the novel scheme efficiently reduces the amount of handoff messages, which is benefit for energy saving of WSN. At the end of the paper, we illustrate two possible application scenarios which could be beneficial from LoWMS, one is healthcare system, and another is logistics and storage.
  • Information Technology and Management, 2013.(SSCI Index)
  • 5.MOTP: An Identity Authentication Scheme for M-Commerce
  • Abstract: With the development of E-commerce and mobile communication technology, Mobile E-commerce (M-commerce) has become one of the important means of trade. Identity authentication is the basic security issue in M-commerce. In this paper, an efficient Elliptic Curve based One-Time Password (OTP) identity authentication scheme (MOTP) for M-commerce is proposed, also, International Mobile Equipment Identity (IMEI) of mobile devices is introduced as a important authentication factors. At the end, this paper analyzes the novel scheme by BAN logic and does simulation in OPNET.
  • Chinese Journal of Electronics, 2013, Vol. 22, Issue (CJE-1): 146-150.(SCI Index)
  • 6.Efficient Group Key Management Scheme with Hierarchy Structure
  • Abstract: With the increase of group communication applications in the Internet, how to provide a secure communication has become an important research issue for network security. In this paper, a distributed group key management approach is proposed, which integrates zero-knowledge set and hierarchy structure. In this newly proposed approach, re-key procedure is finished in sub-group so that members in other sub-groups cannot be affected and improve the efficiency. Zero-knowledge set which is used for the key generation and the commitment computation from leaf nodes to root of the key tree, can assure the anonymity of all communication entities. Hierarchy structure is good for addressing the scalability problem of group key management, and it can improve the efficiency and performance of re-key procedure and correspondence. It is demonstrated that the approach can achieve better efficiency in terms of communication, computation, storage cost, anonymity and security through comparing to the other schemes.
  • Chinese Journal of Electronics, 2012, Vol.21 Issue (CJE-2): 249-253.(SCI Index)

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