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Layer key management scheme on wireless sensor networks

Layer key management scheme on wireless sensor networks

引用

5th International Conference on Information Assurance and Security, IAS 2009

作者： Pei, Qingqi Wang, Lei Yin, Hao Pang, Liaojun Tang, Hong Institute of China Electronic System Engineering Corporation Beijing 100039 China Key Lab. of Computer Networks and Information Security of Ministry of Education Xidian University Xi'an 710071 China

ISBN: (纸本)9780769537443

Wireless sensor networks are open architectures, so any potential threat can easily intercept, wiretap and counterfeit the information. Therefore, the safety of WSN is very important. Since any single key system cannot guarantee the security of the wireless sensor network for communications, this paper introduces a hierarchical key management scheme based on the different abilities of different sensor nodes in the clustered wireless sensor network. In this scheme, the nodes are distributed into several clusters, and a cluster head must be elected for each cluster. Private communication between cluster heads is realized through the encryption system based on the identity of each head while private communication between cluster nodes in a same cluster head is achieved through the random key preliminary distribution system. For cluster head node plays a pivotal role in this scheme, a trust management system should be introduced into the election of the cluster head which will exclude the malicious node from outside the cluster, thus improve the whole network security. © 2009 IEEE.

关键词： Network security

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A security testing approach for WSN protocols based on object-oriented attack model

A security testing approach for WSN protocols based on objec...

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2011 7th International Conference on Computational Intelligence and Security, CIS 2011

作者： Qi, Yue Pei, Qingqi Zeng, Yong Yang, Chao Bu, Shu-Po State Key Laboratory of Integrated Service Networks Xidian University Xi'an China Key Lab. of Computer Networks and Information Security of Ministry of Education China Department of Electronic Engineering Suzhou Institute of Industrial Technology Suzhou 215104 China

ISBN: (纸本)9780769545844

In this paper, we propose an object-oriented attack model to represent a protocol attack in WSN detailedly. The model describes multiple attributes of an attack, including its principle, impact, interdependent relationships with other attacks, etc. Then, on the basis of the attack model and the FSM description method, we present a security testing approach for WSN protocols, in order to evaluate the security of the tested protocols. Finally, we take the TinyPK protocol and Sybil attack for example to implement our design, and the Protocol Security Testing Report shows as expected that the TinyPK cannot resist the Sybil attack Thus, the security testing approach proposed is feasible. © 2011 IEEE.

关键词： Wireless sensor networks

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Expected system energy consumption minimization in leakage-aware DVS systems

Expected system energy consumption minimization in leakage-a...

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International Symposium on Low Power Electronics and Design (ISLPED)

作者： Jian-Jia Chen Lothar Thiele Computer Engineering and Networks Lab. (TIK) Swiss Federal Institute of Technology Zurich (ETH Zurich) Switzerland Computer Engineering and Networks Lab. (TIK) (ETH Zurich) Switzerland

The pursuit of energy efficiency is becoming more and more important in hardware and software designs. This research explores energy-efficient scheduling for a periodic real-time task with uncertain execution time in dynamic voltage scaling (DVS) systems with non-negligible leakage/static power consumption. Distinct from the assumption of non-reducible static power consumption in the literature, this paper considers the possibility to reduce it by turning a processor to a dormant mode. We propose an algorithm to derive an optimal frequency assignment to minimize the expected energy consumption without procrastination, while another extended algorithm is developed to apply procrastination scheduling for further energy reduction. Experimental results show that the proposed algorithms can effectively minimize the expected energy consumption.

关键词： Energy consumption Voltage control Energy efficiency Processor scheduling Scheduling algorithm Hardware Software design Dynamic scheduling Real time systems Dynamic voltage scaling

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An automated black-box testing approach for WSN security protocols

An automated black-box testing approach for WSN security pro...

引用

2011 7th International Conference on Computational Intelligence and Security, CIS 2011

作者： Ji, Shirui Pei, Qingqi Zeng, Yong Yang, Chao Bu, Shu-Po State Key Laboratory of Integrated Service Networks Xidian University Xi'an China Key Lab. of Computer Networks and Information Security of Ministry of Education China Department of Electronic Engineering Suzhou Institute of Industrial Technology Suzhou 215104 China

ISBN: (纸本)9780769545844

Security protocols for wireless sensor network are designed to provide a variety of security services to secure communications in an unsafe network. It is demanded to verify whether an implementation of a security protocol indeed perform as described in the protocol. In practice, conformance testing is commonly employed to test whether an implementation is conformance with the protocol specification. However, existing conformance testing cannot test and assess the security of the implementation of a security protocol. Therefore, randomness test is added to conformance test, makes it possible to test security functions. In this paper, we seek to overcome the limitation and meet the test requirement. We integrate randomness test with conformance testing to makes it possible to test security functions. One part of SPINS protocol is chosen to illustrate the approach. The experimental results demonstrate that the approach can be used for test security functions of WSN protocols. © 2011 IEEE.

关键词： Wireless sensor networks

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On the performance of spatial multiplexing in MIMO-WCDMA networks with Principal Component Analysis at the reception 9

On the performance of spatial multiplexing in MIMO-WCDMA net...

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9th European Conference on Antennas and Propagation, EuCAP 2015

作者： Gkonis, Panagiotis K. Kapsalis, Andrew P. Zekios, Constantinos L. Kaklamani, Dimitra I. Venieris, Iakovos S. Chrysomalis, Michael T. Kyriakou, George A. National Technical University of Athens School of Electrical and Computer Engineering Intelligent Communications and Broadband Networks Laboratory 9 Heroon Polytechneioy str Zografou Athens Greece Democritus University of Thrace Department of Electrical and Computer Engineering Microwaves Lab. Xanthi Greece

ISBN: (纸本)9788890701856

The goal of the study presented in this work is to evaluate the performance of MIMO-WCDMA networks in spatial multiplexing transmission mode. In this context, different bit streams are transmitted from each transmit antenna, in a wireless environment with multipath propagation. Due to the inherent complexity of the network orientation (increased number of active users, multipath components, and transmitted bit streams) a simulation platform has been developed executing independent Monte Carlo (MC) simulations in parallel. Moreover, a proposed transmission algorithm is evaluated as well, which is based on Principal Component Analysis (PCA) at the reception. As results indicate, for a 4×2 MIMO orientation (four transmit antennas and two receive antennas) in a multipath propagation environment with 6 multipath components, the selection of the first 5 eigenvectors (i.e. eigenvectors that correspond to the first 5 maximum eigenvalues) can reconstruct the received signal introducing minimum error. © 2015 EurAAP.

关键词： Principal component analysis

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Incentive-compatible caching and peering in data-oriented networks 08

Incentive-compatible caching and peering in data-oriented ne...

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2008 ACM CoNEXT Conference - 4th International Conference on Emerging Networking EXperiments and Technologies, CoNEXT '08

作者： Rajahalme, Jarno Särelä, Mikko Nikander, Pekka Tarkoma, Sasu Nokia Siemens Networks Ericsson Research Nomadic Lab. Canada Helsinki Institute for Information Technology HIIT Finland Helsinki University of Technology Computer Science and Engineering Dept. Finland

ISBN: (纸本)9781605582108

Several new, data-oriented internetworking architectures have been proposed recently. However, the practical deployability of such designs is an open question. In this paper, we consider data-oriented network designs in the light of the policy and incentive structures of the present internetworking economy. A main observation of our work is that none of the present proposals is both policy-compliant and incentivecompatible with the current internetworking market, which makes their deployment very challenging if not impossible. This difficulty stems from the unfounded implicit assumption that data-oriented routing policies directly reflect the underlying packet-level inter-domain policies. We find that to enable the more effective network utilization promised by data-oriented networking, essential caching incentives need to exist, and that data-oriented peering needs be considered separately from peering for packet forwarding.

关键词： Network architecture

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Wideband compressed sensing for cognitive radios

Wideband compressed sensing for cognitive radios

引用

2011 IEEE Military Communications Conference, MILCOM 2011

作者： Ayhan Sakarya, F. Nagel, George S. Tran, Lan H. Molnar, Joseph A. Networks and Communications Systems Branch Information Technology Division Naval Research Lab. Washington DC United States School of Electrical and Computer Engineering College of Engineering Georgia Institute of Technology Atlanta GA United States

ISBN: (纸本)9781467300810

Efficient utilization of spectral bands in a dynamic environment with a continuously changing occupation rate is challenging. Static spectral allocations preclude the use of unoccupied spectrum, unless the spectrum manager has released the allocation to another mission. Standard spectral sensing techniques employ swept narrowband receivers. While effective in creating a composite, these techniques are ineffective at identifying short duration signals. Real-time spectral analysis techniques are effective at capturing short duration transmissions, but usually have narrow band capabilities, limited dynamic range and are relatively expensive. Timely accurate sensing of wide spectral band using traditional spectral estimations at the Nyquist rate (or higher) is another challenge due to the high data rate. Compressed sensing (CS) techniques utilize signal-to-information rate processing when signals are sparse in a specific domain. Dynamic spectrum access (often considered a critical component of a cognitive radio (CR)) can reutilize temporally unoccupied spectrum. An accurate estimate of the current state of spectral occupancy is critical to the autonomous decision processes involved in dynamic spectrum access. From this perspective, CS is being studied as an enhancement to dynamic spectrum access strategies. This study addresses feasibility issues for the development of autonomous CS-CR systems that are capable of performing spectrum sensing and recovery without a priori information about the spectral occupancy. Since recovery requires computationally intense non-linear optimization, we perform a single platform trade study on CS methodologies (BP-PD, BP-SPG, ROMP, Edge Detection, and Sequential Recovery) for efficient wideband recovery relative to execution time and reconstruction error. We propose adaptive coarse detection, and exact recovery based on adaptive edge detection. We present the results using continuous waves and pulses (MATlab.or GRC generated, or USRP mea

关键词： Cognitive radio

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RGH: An efficient RSU-aided group-based hierarchical privacy enhancement protocol for VANETs

RGH: An efficient RSU-aided group-based hierarchical privacy...

引用

13th International Conference on Web-Age Information Management, WAIM 2012

作者： Yang, Tao Kong, Lingbo Yu, Liangwen Hu, Jianbin Chen, Zhong MoE Key Lab. of High Confidence Software Technologies Peking University 100871 Beijing China MoE Key Lab. of Computer Networks and Information Security Peking University 100871 Beijing China School of Electronics Engineering and Computer Science Peking University 100871 Beijing China School of Software Engineering Beijing Jiaotong University 100044 Beijing China

ISBN: (纸本)9783642322808

VANETs are gaining significant prominence from both academia and industry in recent years. In this paper, we introduce an Efficient RSU-aided Group-based Hierarchical Privacy Enhancement Protocol for VANETs. The protocol exploits the Road-Side-Unit (RSU) to form a temporary group based on the vehicles around it. As the group leader, the RSU takes charge of the verification of the member car through the Revocation List from the DoT (Department of Transportation). The RSU also generates the session key and determines the configuration for the group. The RSU handles the message from the group member, and then sends it to other group members. RSUs have hierarchical security because of the real environment secure threats. RSUs are divided into High-level RSU (HRSU) and Low-level RSU (LRSU). HRSU inserts a message-related trace entry into the trace log while LRSU attaches trace Tag on the message. HRSU has to submit the trace log to the Department of Audit (DoA) by secure way periodically. If required, DoA can trace out the disputed message's real signer with the cooperation of the DoT. Comparison with other existing classic schemes in the literature has been performed to show the efficiency and applicability of our scheme. © 2012 Springer-Verlag.

关键词： Vehicular ad hoc networks

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MisDis: An efficent misbehavior discovering method based on accountability and state machine in VANET

MisDis: An efficent misbehavior discovering method based on ...

引用

15th Asia-Pacific Web Conference on Web Technologies and Applications, APWeb 2013

作者： Yang, Tao Xin, Wei Yu, Liangwen Yang, Yong Hu, Jianbin Chen, Zhong MoE Key Lab. of High Confidence Software Technologies Peking University 100871 Beijing China MoE Key Lab. of Computer Networks and Information Security Peking University 100871 Beijing China School of Electronics Engineering and Computer Science Peking University 100871 Beijing China School of Software Engineering Beijing Jiaotong University 100044 Beijing China

ISBN: (纸本)9783642374005

VANET has some prominent features such as channel-opening, large-scale, fast, dynamic-changing, so there is some misbehavior vehicles. Due to the large number of vehicles, even if there is only 1% percent of misbehavior vehicles, there can be thousands of misbehavior vehicles. How to identify these vehicles quickly, and then use appropriate cancellation and isolation measures to reduce system losses to its minimum and controllab.e range. In this paper, we propose MisDis, a method that can identify misbehavior vehicle by implementing state automata and supervision, as well as a special security log to record the behavioral characteristics of the target vehicle. If the host vehicle violates the established security policy, then the system need to record the behavioral and try to dump to a safer roadside unit or department in charge. © 2013 Springer-Verlag.

关键词： Vehicles

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Performance measurement for voice services in heterogeneous wired networks

Performance measurement for voice services in heterogeneous ...

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4th International ICST Conference on Testbeds and Research Infrastructures for the Development of networks and Communities, TRIDENTCOM 2008

作者： Alawieh, Basel Ahmed, Rana Mouftah, Hussein T. Department of Electrical Engineering Concordia University Montreal QC Canada Department of Computer Engineering American University of Sharjah Sharjah United Arab Emirates Optical Networks Research Lab. SITE University of Ottawa Ottawa ON Canada

ISBN: (纸本)9789639799240

Voice over IP (VoIP) service providers implementing different protocols in their core networks are required to coordinate in order to provision, support and deliver voice services to end clients. This paper presents a performance measurement experience for the transport of voice services across multiple heterogeneous wired networks. Our test results show that Multiple Protocol lab.l Switching (MPLS) protocol slightly outperforms IP in delivering voice services. Moreover, the type of call signaling protocol used, tunneling category adopted and the type of Virtual Private Network (VPN) implemented affect the overall quality and performance of voice services in terms of jitter and delay.

关键词： Virtual private networks

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