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An identity-based secure routing protocol in WSNs

An identity-based secure routing protocol in WSNs

引用

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

作者： Li, Weichang Li, Hongning Xie, Min Bu, Shupo Key Lab. of Computer Networks and Information Security of Ministry of Education Xidian University Xi'an China Department of Electronic Engineering Suzhou Institute of Industrial Technology Suzhou China

ISBN: (纸本)9780769545844

It has been proved that Asymmetric cryptography can be used in Wireless Sensor networks (WSNs). In this paper, we propose a secure Identity-based routing protocol, which can ensure that the nodes in routing discovery process are trusted nodes. Digital signatures based on ECC is used in our protocol, therefore, our protocol has many virtues, such as less energy cost, more rapid calculation, shorter storage keys, etc. In the routing discovery process our protocol can also resist multiple attacks. Simultaneously, the protocol sets an energy threshold for the nodes in the network. The nodes whose energy remained less than the threshold do not participate in the selection of the routing nodes. This can avoid the energy exhaustion in the process of data transmission so as to influent the operation of the network. © 2011 IEEE.

关键词： Routing protocols

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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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A general sharing model based on proxy re-encryption

A general sharing model based on proxy re-encryption

引用

7th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIHMSP 2011

作者： Ma, Guojun Pei, Qingqi Wang, Yuchen Jiang, Xiaohong State Key Laboratory of Integrated Services Networks Xidian University Xi'an China School of Electronic Engineering University of Electronic Science and Technology of China Chengdu China Key Lab. of Computer Networks and Information Security Ministry of Education Xidian University Xi'an China

ISBN: (纸本)9780769545172

Content sharing is one of the most significant issues of Digital Rights Management (abbr. DRM). Various schemes for content sharing have been presented in the past years. However, the main goals of these schemes are to solve portability problems instead of rational sharing between different users who are not family members. In this work, we propose an initial step toward this rational sharing and present a general sharing model based on proxy re-encryption. Our model can support the flexible sharing mechanism, with which the user can choose any of the purchased content to share with any legal device, and the content provider can know and limit the number of sharing devices to achieve some novel DRM policies such as pay-per-sharing. To our best knowledge, our sharing model is the first model for content sharing between different users' devices who are not family members using proxy re-encryption. With rational applications, our model can benefit for both the user and content provider to achieve win-win development. © 2011 IEEE.

关键词： Cryptography

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Magnetically induced simultaneous slow and fast light by phase control

Magnetically induced simultaneous slow and fast light by pha...

引用

Slow and Fast Light, Slow_Fast 2011

作者： Luo, Bin Guo, Hong CREAM Group State Key Lab. of Advanced Optical Communication Systems and Networks Inst. of Quantum Electronics School of Electronics Engineering and Computer Science Peking University Beijing 100871 China

A-type atom coupled by additional driving light and radio frequency (RF) field can generate controllable simultaneous slow and fast light at two frequencies. Distortions by radiative dampings are discussed and compens... 详细信息

ISBN: (纸本)9781557529138

关键词： Slow light

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An efficient partial link monitoring scheme for inter-domain routing under dynamic traffic scenarios

An efficient partial link monitoring scheme for inter-domain...

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作者： Zhang, Pengfei Jin, Yaohui Sun, Weiqiang Guo, Wei Hu, Weisheng Ghani, N. State Key Lab. of Advanced Communication Systems and Networks Shanghai Jiao Tong University China Electrical and Computer Engineering Department University of New Mexico United States

We investigate link-state advertising in multi-domain networks with dynamic traffic. A novel triggering scheme is proposed to monitor a subset of domain links, and thereby achieve a balance between salability and accu... 详细信息

ISBN: (纸本)9781457702136

关键词： Optical fibers

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A fast handoff method based on RSSI and LQI in wireless sensor network

A fast handoff method based on RSSI and LQI in wireless sens...

引用

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

作者： Miao, Zhang Li, Jingying School of Mechanical Engineering Northwestern Polytechnical University Xi'an Shaanxi 710072 China Key Lab. of Computer Networks and Information Security of Ministry of Education Xidian Univ. Xi'an Shaanxi 710071 China

ISBN: (纸本)9780769545844

The thesis also puts forward a fast handoff method based on RSSI and LQI, which makes improvements on preset parameters, subnet selection, decision standards and reparation of switching failure. The new method which confirmed by the simulation not only overcomes the traditional problems in switching technology successfully, but also reduces the scanning and handoff delays, packet loss rate, improves the network throughput and prolongs its lifetime. © 2011 IEEE.

关键词： Wireless sensor networks

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Conflict-free transmission schedule based on network coding in wireless networks

Conflict-free transmission schedule based on network coding ...

引用

International Conference on Communications and Mobile Computing

作者： Wang, Jing Liu, Xiangyang Wang, Xinmei School of Information Engineering Chang'an University Xi'an China Computer Network Teaching Office Xi'an Communication College Xi'an China State Key Lab. of Integrated Service Networks Xidian University Xi'an China

ISBN: (纸本)9780769543574

In wireless networks, the cross-layer design of joint medium access control and network coding can avoid destructive interferences among concurrent transmissions. Wireless network codes in conjunction with conflict-free network realizations are designed by Sagduyu. Then, this paper proposed a new conflict-free transmission schedule based on network coding to achieve better network performance. We construct sub tree graphs by sub tree decomposition, and based on the achieved sub tree graphs, time slots are assigned from the first sub tree. Nodes of the latter sub trees can be chosen to combine with the front time slots according to whether there exist conflicts or not. Finally, network codes allocation method for network with two sources is presented, which adopts the theory of graph coloring. © 2011 IEEE.

关键词： Wireless networks

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Unicode-proof code injection attack on Windows CE A novel approach of evading intrusion detection system for mobile network

Unicode-proof code injection attack on Windows CE A novel ap...

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IEEE International Conference on Communication Software and networks

作者： Song, Yang Zhang, Yuqing Sun, Yingfei Yan, Jingbo National Computer Network Intrusion Protection Center Graduate University Chinese Academy of Sciences Beijing China School of Information Science and Engineering Graduate University Chinese Academy of Sciences Beijing China Key Lab of Computer Networks and Information Security Ministry of Education Xidian University Xian China

ISBN: (纸本)9781612844855

Code injection attack is a major way of spreading malware on network. The key section of code injection attack is a small piece of code, called shellcode, which performs unauthorized operations when it is injected into software as part of valid data. On Windows CE, input data are often encoded using Unicode before being processed. In such cases, shellcode should be built in a way that bypasses such encoding;that is, it should be Unicode-proof. Unicode-proof shellcode also has great advantage of evading instruction detection system. However, it is quite difficult to build Unicode-proof shellcode for the ARM architecture, on which most embedded devices are developed, because the subset of instructions that can be used to write Unicode-proof shellcode is very limited. Moreover, the instruction cache in the ARM processor restricts the application of self-modifying code, which is frequently used in shellcode writing. This novel research proposes an approach to building ARM Unicode-proof shellcode on Windows CE under these constraints. The approach applies to all versions of ARM processors and Windows CE, including systems evolved from Windows CE, such as Windows Mobile and Windows Phone. The shellcode is tested on three currently available devices. © 2011 IEEE.

关键词： Malware

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A comparison of Wireless Fidelity (Wi-Fi) fingerprinting techniques

A comparison of Wireless Fidelity (Wi-Fi) fingerprinting tec...

引用

International Conference on Information and Communication Technology Convergence (ICTC)

作者： Lersan B. Del Mundo Rafael Lean D. Ansay Cedric Angelo M. Festin Roel M. Ocampo Networks and Distributed Systems Laboratory Department of Computer Science University of the Philippines Diliman Quezon Philippines Computer Networks Lab Electrical and Electronics Engineering Institute University of the Philippines Diliman Quezon Philippines

Among several techniques proposed for indoor positioning using IEEE 802.11 Wireless Fidelity (Wi-Fi) based networks, those that rely on fingerprinting have been demonstrated to outperform those based on lateration, angulation, and cell of origin in terms of accuracy. We compare and evaluate three Wi-Fi fingerprinting techniques that use the K-Nearest Neighbor (k-NN), Naive Bayes Classifier (NBC) and Support Vector Machine (SVM) algorithms. Our experiments show that SVM-based fingerprinting outperformed both k-NN and NBC-based fingerprinting, achieving accuracies of 2 meters or better within our testbed.

关键词： Accuracy Support vector machines IEEE 802.11 Standards Vectors Databases Fingerprint recognition Kernel

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Mechanisms for multi-level marketing 11

Mechanisms for multi-level marketing

引用

Proceedings of the 12th ACM conference on Electronic commerce

作者： Emek, Yuval Karidi, Ron Tennenholtz, Moshe Zohar, Aviv Computer Engineering and Networks Laboratory ETH Zurich Zurich Switzerland Microsoft Israel Innovation Lab. Herzeliya Israel Microsoft Israel R and D Center Technion - Israel Institute of Technology Herzeliya Israel Microsoft Research Silicon Valley Lab. Mountain View CA United States

ISBN: (纸本)9781450302616

Multi-level marketing is a marketing approach that motivates its participants to promote a certain product among their friends. The popularity of this approach increases due to the accessibility of modern social networks, however, it existed in one form or the other long before the Internet age began (the infamous Pyramid scheme that dates back at least a century is in fact a special case of multi-level marketing). This paper lays foundations for the study of reward mechanisms in multi-level marketing within social networks. We provide a set of desired properties for such mechanisms and show that they are uniquely satisfied by geometric reward mechanisms. The resilience of mechanisms to false-name manipulations is also considered;while geometric reward mechanisms fail against such manipulations, we exhibit other mechanisms which are false-name-proof. © 2011 ACM.

关键词： Marketing

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