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24th International Symposium on VLSI Design and Test (VDAT)

作者： Kadam, Mandakini Siddamal, Saroja, V Annigeri, Shripadraj KLE Technol Univ Sch Elect & Commun Hubballi India

ISBN: (纸本)9781728193694

With the increase in the internet technology, security of information is the essential requirement. Security protocols make use of the cryptographic techniques to achieve the security of information. True random number generators (TRNG) are used as basic component in building cryptography. There is a demand for TRNG which generates random numbers. The random sequence generated must be statistical and non-predictable. This paper represents the design and implementation of statistical, non-predictable Hybrid TRNG. Chaotic oscillator designed using miller circuit is used as clock seed generator. Random seed generated at every clock is used as seed to Blum Blum Shub (bbs) algorithm which generates random sequence. The binary random sequence generated from simulation platform has passed all the test methods of NIST standard.

关键词： Chaotic oscillator TRNG bbs algorithm Random Seed generator NIST test

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Comparative study of skyline algorithms for selecting Web Services based on QoS 1

Comparative study of skyline algorithms for selecting Web Se...

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1st International Conference on Intelligent Computing in Data Sciences (ICDS)

作者： Fariss, Mourad Asaidi, Hakima Bellouki, Mohamed Lab MASI FPN BP 300 Selouane 62700 Nador Morocco

Nowadays, Web Services has become one of the hot issues in the area of computer sciences, that makes an ability to collect capabilities and components in a unique interface to fulfill the user's requirements. Sometimes, two or more services can be found in available list of services;therefore, there should be a possibility for selecting the best services from discovered list which can satisfy the user's needs. The selected services should optimize the overall QoS of the composed application, while satisfying all the constraints specified by the consumer on individual QoS parameters. In this paper, we propose a contrast analysis between two Skyline algorithms and evaluate them experimentally. (C) 2018 The Authors. Published by Elsevier B.V.

关键词： Web service selection Skyline algorithms QoS bbs algorithm SFS algorithm

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Prefiltering Approach for Web Service Selection Based on QoS 4

Prefiltering Approach for Web Service Selection Based on QoS

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4th International Conference on Systems of Collaboration Big Data, Internet of Things & Security (SysCoBIoTS)

作者： Fariss, Mourad El Allali, Naoufal Asaidi, Hakima Bellouki, Mohamed FPN Lab MASI Nador Morocco

ISBN: (纸本)9781728142166

The web service has widely spread in recent years which is showed by the large number of published web services. However, users may not always find their needs in one web service which has consequently spawned a composition of web services. This composition lead to many task difficulties including the selection of web services, which also consists of choosing the best QoS-based services among other similar services provided. From this perspective, there are several approaches to the selection of web services, however, this remains deficient at the level of execution time due to the rage number of competing web services. In this paper, we propose a new selection approach based on prefiltering and Skyline, this approach is tested and improved using a real dataset. We used two steps to solve this problem, prefiltering and Skyline. The first step is the use of K-Means clustering to bundle web services with similar Quality of Service (QoS) properties under one umbrella is explored. The second one is defining the most dominant web service using the Branch-and-Bound Skyline algorithm.

关键词： Web service selection K-Means clustering prefiltering Skyline techniques bbs algorithm

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Group Signature Based Privacy Protection algorithm for Mobile ad hoc Network

Group Signature Based Privacy Protection Algorithm for Mobil...

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IEEE International Conference on Information and Automation (ICIA)

作者： Zhang, Lili Li, Chenming Li, Yueheng Luo, Qiaomei Zhu, Rongbo Hohai Univ Coll Comp & Informat Engn Nanjing 211100 Jiangsu Peoples R China South Centeral Univ Nationalities Collgege Comp Sci Wuhan 430074 Hubei Peoples R China

ISBN: (纸本)9781538631546

Nowadays, Vehicular ad hoc Network as a special class of Mobile ad hoc Network(MANET), provides plenty of services. However, it also brings the privacy protection issues, and there are conflicts between the privacy protection and the services. In this paper, we will propose a privacy protection algorithm based on group signature including two parts, group signature based anonymous verification and batch verification. The anonymous verification is based on the network model we proposed, which can reduce the trust authority burden by dividing the roadside units into different levels, and the batch verification can reduce the time of message verification in one group. We also prove our algorithm can satisfy the demand of privacy protection. Finally, the simulation shows that the algorithm we proposed is better than the bbs on the length of the signature, time delay and packet loss rate.

关键词： Vehicular ad hoc Network short group signature privacy protection bbs algorithm

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Comparative study of skyline algorithms for selecting Web Services based on QoS

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Procedia Computer Science 2018年 127卷 408-415页

作者： Mourad Fariss Hakima Asaidi Mohamed Bellouki Laboratoire MASI FPN B.P 300 Selouane 62700 Nador Morrocco

Nowadays, Web Services has become one of the hot issues in the area of computer sciences, that makes an ability to collect capabilities and components in a unique interface to fulfill the user’s requirements. Sometimes, two or more services can be found in available list of services; therefore, there should be a possibility for selecting the best services from discovered list which can satisfy the user’s needs. The selected services should optimize the overall QoS of the composed application, while satisfying all the constraints specified by the consumer on individual QoS parameters. In this paper, we propose a contrast analysis between two Skyline algorithms and evaluate them experimentally.

关键词： Web service selection Skyline algorithms QoS bbs algorithm SFS algorithm

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Joint Multi-Cell Resource Allocation Using Pure Binary-Integer Programming for LTE Uplink

Joint Multi-Cell Resource Allocation Using Pure Binary-Integ...

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IEEE Vehicular Technology Conference

作者： Tong Zhang Xiaofeng Tao Qimei Cui Key Laboratory of Universal Wireless Communication Ministry of Education Beijing University of Posts and Telecommunications

ISBN: (纸本)9781479944811

Due to high system capacity requirement, 3GPP Long Term Evolution (LTE) is likely to adopt frequency reuse factor 1 at the cost of suffering severe inter-cell interference (ICI). One of combating ICI strategies is network cooperation of resource allocation (RA). For LTE uplink RA, requiring all the subcarriers to be allocated adjacently complicates the RA problem greatly. This paper investigates the joint multi-cell RA problem for LTE uplink. We model the uplink RA and ICI mitigation problem using pure binary-integer programming (BIP), with integrative consideration of all users' channel state information (CSI). The advantage of the pure BIP model is that it can be solved by branch-and-bound search (bbs) algorithm or other BIP solving algorithms, rather than resorting to exhaustive search. The system-level simulation results show that it yields 14.83% and 22.13% gains over single-cell optimal RA in average spectrum efficiency and 5th percentile of user throughput, respectively.

关键词： Long Term Evolution adjacent channel interference channel allocation integer programming resource allocation tree searching bbs algorithm ICI mitigation problem LTE Uplink average spectrum efficiency branch-and-bound search algorithm channel state information joint multi-cell resource allocation multicell RA problem pure BIP model pure binary-integer programming uplink RA Interference Joints Measurement Resource management Throughput Uplink Long Term Evolution up link management of resources Integer Programming Tree searching adjacent channel interference Resource utilization Channel allocation Channel state information Joints Joints Throughput Local thermodynamic equilibrium Right Ascension HSPA5 gene

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