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Connected dominating sets in wireless sensor networks

Connected dominating sets in wireless sensor networks

引用

5th international conference on Wireless Communications, Networking and Mobile computing, WiCOM 2009

作者： Zhang, Lili Li, Chengming Mao, Yingchi Xu, Lizhong Wang, Huibin College of Computer Science and Inforrmation Engineering Hohai University Nanjing 210098 China Nanjing University State Key Laboratory for Novel Software Technology Nanjing 210098 China

ISBN: (纸本)9781424436934

Since there is no fixed infrastructure or centralized management in wireless sensor networks, a Connected Dominating Set(CDS) has been proposed to serve as a virtual backbone. the CDS of a graph representing a network has a significant impact on the efficient design of routing protocols in wireless sensor networks. this problem has been studied extensively, in which all nodes have the same transmission ranges and the size of the dominating sets are considered. In this paper, by the method of constructing the steiner tree, we model a network as an undirected graph and present the CDS which has smaller size. the performance ratio of these algorithms is constant. Furthermore, we show a size relationship between a maximal independent set and a CDS as well as a bound of the maximum number of independent neighbors of a node. the theoretical analysis and simulation results are also presented to verify our approaches. ©2009 ieee.

关键词： sensor nodes

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A Component Modular Modeling Approach based on Object Oriented Petri Nets for the Performance Analysis of distributed Discrete Event systems

A Component Modular Modeling Approach based on Object Orient...

引用

5th international conference on Networking and Services (ICNS)

作者： Masri, Aladdin Bourdeaud'huy, thomas Toguyeni, Armand Ecole Cent Lille CNRS UMR 8146 LAGIS F-59651 Villeneuve Dascq France

ISBN: (纸本)9781424436880

distributed Discrete Event systems (distributed DES) are increasing with the development of networks. A major problem of these systems is the evaluation of their performance at the design stage. We are particularly interested in assessing the impact Of computer networking protocols on the control of manufacturing systems. In our design methodology, these systems are modeled using Petri nets. In this context, we propose an approach to modeling network protocols based on Oriented Object Petri Nets. Our ultimate objective is to assess by means of simulations the performances of such a system when one distributes their control models on an operational architecture. In this study, we are implementing a component based approach designed to encourage reuse when modeling new network protocols. To illustrate our approach and its reuse capabilities, we will implement it to model the link layer protocols of the norms ieee 802.11b and ieee 802.3.

关键词： Discrete event simulation

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A sensor grid framework for acoustic surveillance applications

A sensor grid framework for acoustic surveillance applicatio...

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NCM 2009 - 5th international Joint conference on Int. Conf. on Networked computing, Int. Conf. on Advanced Information Management and Service, and Int. Conf. on Digital Content, Multimedia Technology and its Applications

作者： Sanabria, John Rivera, Wilson Rodriguez, Domingo Yunes, Yuji Ross, Gail Sandoval, Cesar Institute for Computing and Informatics Studies Electrical and Computer Engineering Department University of Puerto Rico Mayaguez Puerto Rico

ISBN: (纸本)9780769537696

this paper describes the design and implementation of a framework that integrates deployment, execution, and notification mechanisms for running surveillance monitoring applications on multi-purpose grids. the proposed framework employs statistical analysis over historical data along with selfadaptive mechanisms to allocate efficiently task to resources. this framework has been deployed on a set of computational resources pertaining to the Pacific Rim Applications and Grid Middleware Assembly (PRAGMA) infrastructure. © 2009 ieee.

关键词： Wireless sensor networks

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A Route-based Scheduling in Wireless Multi-hop Mesh Networks for Collision Avoidance

A Route-based Scheduling in Wireless Multi-hop Mesh Networks...

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5th international conference on Wireless Communications, Networking and Mobile computing

作者： Zhao Jindong Wang Qin Yu Feng Univ Sci & Technol Beijing Sch Informat Engn Beijing 100083 Peoples R China

ISBN: (纸本)9781424436927

According to WIA-PA specification, TDMA and FDMA mechanism are used to transmit data and multi-hop mesh topology is supported, but the scheduling issue is still open. In this paper, the two types of conflict in wireless mesh network are analyzed and a link scheduling solution is proposed. the algorithm exploits the route characteristics of data transmitting in wireless multi-hop mesh networks and uses vertex-coloring method but not edge-coloring to schedule the timelots of superframe. the channel that a link will use in transmitting is assigned according to its depth in route when it is colored. By scheduling the links using the presented algorithm, the nodes of the network can transmit data respectively without conflicting with the others. Finally, the validity of algorithm is proved and the simulation result is provided.

关键词： WIA-PA link scheduling industrial wireless network wireless sensor network

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Scan-line IP assignment for wireless sensor networks

Scan-line IP assignment for wireless sensor networks

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5th international conference on Wireless Communications, Networking and Mobile computing, WiCOM 2009

作者： Chang, Ray-I. Chang, Che-Hsuan Chuang, Chi-Cheng Department of Engineering Science National Taiwan University Taipei Taiwan Networks and Multimedia Institute Institute for Information Industry Taipei Taiwan

ISBN: (纸本)9781424436934

Connecting wireless sensor networks (WSN) with TCP/IP is an important issue in many WSN applications. Recently, there are many solutions proposed to integrate WSN and TCP/IP network [1-5]. Running the TCP/IP protocol directly on WSN is one of the most important solution models. In this model, a unique IP address is needed for every node in WSN. the spatial IP assignment (SIPA) method enables every sensor node to have an IP address by constructing address via node location [6-7]. However, it does not guarantee to assign a unique IP address to every no1de. this paper proposes the scan-line IP assignment (SLIPA) method which makes sure that not only every sensor node will generate a unique IP address but also the spatial relation between nodes is maintained after assignment. Our experiments show that SLIPA can achieve dramatic improvements in the maximum number of nodes that can be successfully assigned under different distribution patterns of nodes. ©2009 ieee.

关键词： sensor nodes

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A Novel Sequence Based Localization Approach for Wireless sensor Networks

A Novel Sequence Based Localization Approach for Wireless Se...

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5th international conference on Wireless Communications, Networking and Mobile computing

作者： Xu, Xiao Deng, Zhidong Tsinghua Univ State Key Lab Intelligent Technol & Syst Beijing 100084 Peoples R China Tsinghua Univ Dept Comp Sci & Technol Beijing 100084 Peoples R China

ISBN: (纸本)9781424436927

In wireless sensor networks, two types of emerging range-free and high-accuracy localization approaches including the approximate-point-in-triangulation test (APIT) and the sequence based localization (SBL) greatly depend on density of anchor nodes and connectivity of network. In this paper, we present a novel localization approach that combines APIT with SBL, called SB-APIT. First, we use APIT approaches to determine boundary. We then sequentially measure the received signal strength indicator (RSSI) value of target node within the range of one-hop neighbor nodes and rank the RSSI values to yield a location sequence. Furthermore, the coordinates of the area's geometric center is calculated as the target node's coordinates. Finally, the simulation results obtained with 200 nodes show that our new approach reduces the average localization error by about 5%. It considerably improves the accuracy of localization.

关键词： Wireless sensor network Localization APIT Location sequence

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Study of security base on wireless sensor network routing protocol

Study of security base on wireless sensor network routing pr...

引用

5th international conference on Wireless Communications, Networking and Mobile computing

作者： Qin Xianglin Wang Shuda Harbin Univ Commerce Sch Comp & Informat Engn Harbin Peoples R China

ISBN: (纸本)9781424436927

In the course of data transfer extremely vulnerable to be eavesdropped, defrauds, tampered or replayed (Relay) routing by information security. thus, the SLDMRP (Security Lightweight Distribution Multicast Routing Protocol) based on security was put forward in this paper. this protocol is designed on the basis of the multicast routing LDMRP, while this protocol creating and maintaining multicast group, sending control message, carrying out security policy which underwrite and verify the data packets, in order to prevent the control message from eavesdropping and tampering. Finally, using NS2, to prove the effectiveness of signature and verify the simulation results: SLDMRP, which is using of SHA-1 and RSA encryption algorithm to verify the signature and security policy is effective.

关键词： WSN Multicast Routing Security Lightweight Distribution Multicast Routing Protocol Signature algorithm

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Phase Compensation for Uplink distributed Space-time Cooperative Protocol

Phase Compensation for Uplink Distributed Space-time Coopera...

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5th international conference on Wireless Communications, Networking and Mobile computing

作者： Wang, Feifei Liu, Yuanan Lin, Xiaofeng Xie, Gang Beijing Univ Posts & Telecommun Key Lab Universal Wireless Commun Beijing 100876 Peoples R China

ISBN: (纸本)9781424436927

distributed space-time coding (DSTC) cooperation for wireless relay network has been widely analyzed. In this paper, we first investigate an uplink DSTC cooperative system based on amplify-and-forward (AF) cooperation protocol with multiple antennas deployed at the destination while source and relay nodes have only one antenna each. then, by, exploiting partial channel state information from the source to relay nodes, we propose a phase compensation algorithm which can achieve linear detection at the receiver. Furthermore, the complexity analysis is provided to compare with nolinear optimal ML detection. Finally, computer simulations are carried out to evaluate the validity of the proposed approach. the results show that the phase compensation algorithm can approximately achieve the same performance with nolinear NIL algorithm. On the other hand, it can significantly simply the heavy complexity of the optimal ML detection into simple linear detection with very low complexity. With near optimal performance and low complexity, the proposed algorithm is particularly, suitable for the practical scenarios.

关键词： Antennas

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Downlink Performance and Capacity of distributed Antenna System in Multi-user Scenario

Downlink Performance and Capacity of Distributed Antenna Sys...

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5th international conference on Wireless Communications, Networking and Mobile computing

作者： Li, Xin Luo, Mingsheng Zhao, Ming Huang, LianFen Yao, Yan Xiamen Univ Dept Commun Engn Xiamen Peoples R China Tsinghua Univ Natl Lab Informat Sci & Technol Beijing Peoples R China

ISBN: (纸本)9781424436927

Recent studies show that introducing DAS into the cellular system can reduce the inter-cell interference and achieves a non-trivial capacity increase over the conventional cellular system. On the other hand, base station cooperative processing is explored to address the inter-cell interference mitigation problem in the cellular system. But most of the analytical work is based on the single-user scenario. this paper provides a generalized information theoretic analysis to illuminate the downlink performance limits of DAS in the multi-user cellular system with antenna module cooperative processing. A comparison of several transmit schemes is given: scheduling the best user, scheduling multiple users simultaneously and scheduling multiple best users. It is demonstrated that with simple linear processing at the transmitters scheduling multiple users simultaneously achieves a tremendous system capacity increase over scheduling the best user. this is because antenna module cooperative processing can mitigate the inter-user interference effectively and the spatial degrees of freedom are fully exploited. Furthermore, when the number of users is much larger than the number of remote antenna modules, scheduling multiple best users can attain the multi-user diversity gain which leads to an increase of the sum capacity. these analytical results are verified by Monte Carlo simulations.

关键词： distributed antenna systems (DAS) multi-user sum capacity downlink

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A Water-saving Irrigation System Based on Fuzzy Control Technology and Wireless sensor Network

A Water-saving Irrigation System Based on Fuzzy Control Tech...

引用

5th international conference on Wireless Communications, Networking and Mobile computing

作者： Peng Xiaohong Mo Zhi Xiao Laisheng Liu Guodong Guangdong Ocean Univ Coll Informat Technol Zhanjiang Peoples R China Zhanjiang New Zhongmei Chem Ind Co Ltd Dept Technol Zhanjiang Peoples R China China Construct Bank Maoming Branch Maoming Peoples R China

ISBN: (纸本)9781424436927

A scheme is promoted which builds a water-saving irrigation system based on wireless sensor network and fuzzy control technology, we design a wireless sensor network, which consists of sensor node cluster, coordinator node and irrigation controller nodes Here sensor node cluster is responsible for gathering information such as soil moisture and regularly send it to the coordinator node. Fuzzy controller embedded in the coordinator node takes soil moisture error and error change rate as its input and obtained water demand amount of crops under certain soil moisture through fuzzy inference and fuzzy judge and output it to irrigation controller node. Irrigation controller node controls the implementation of automatic watering. In this article, we describe the implementation scheme of sensor network node and fuzzy controller in detail and design communication protocol for sensor nodes. the experimental results show that the system can quickly and accurately calculate water demand amount of crops, which can provide a scientific basis for water-saving irrigation. In this way, we have made an exploratory study in applying wireless sensor networks and fuzzy control technology to fine agriculture project.

关键词： irrigation fuzzy control technology wireless sensor network

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