Coverage and connectivity management in wireless sensor networks

... Managing network coverage and connectivity is thus important in sensor networks This thesis focuses on the coverage and connectivity management problem in wireless sensor networks The coverage and ... methods and procedures to monitor and control the network sensing coverage (area coverage) and connectivity It involves the functions of coverage an...

Ngày tải lên: 14/09/2015, 14:05

... resistance against the hardest attack: node compromising STKM: A Spanning Tree- Based Key Management Solution for WSNs In this section, we describe a new key management protocol for WSNs Our main objective ... paper Each sensor node i, including the base station, maintains the following variables (i) Fatheri : the father of the sensor in the final spanning tree The b...

Ngày tải lên: 21/06/2014, 11:20

... Decentralized estimation over orthogonal multipleaccess fading channels in wireless sensor networks— optimal and suboptimal estimators Xin Wang∗1 and Chenyang Yang1 School of Electronics and ... Abstract We study optimal and suboptimal decentralized estimators in wireless sensor networks over orthogonal multipleaccess fading channels in this...

Ngày tải lên: 18/06/2014, 22:20

... Decentralized estimation over orthogonal multipleaccess fading channels in wireless sensor networks— optimal and suboptimal estimators Xin Wang∗1 and Chenyang Yang1 School of Electronics and ... Abstract We study optimal and suboptimal decentralized estimators in wireless sensor networks over orthogonal multipleaccess fading channels in this...

Ngày tải lên: 20/06/2014, 04:20

... S Boyd, and S Lall, “A scheme for robust distributed sensor fusion based on average consensus, ” in Proceedings of the 4th International Symposium on Information Processing in Sensor Networks ... failure, and other practical conditions when utilizing the DAC algorithm in wireless sensor networks References [1] R Olfati-Saber, J A Fax, and R M Murray, Consensus...

Ngày tải lên: 21/06/2014, 16:20

... to a source and carry the information concurrently to the destination in order to achieve load balancing and rapid delivery of the information In a wireless sensor network, both single paths and ... reveals a gain which increases with the reduction of the play-back delay Note however that while multipath routing may result in playback delay gain, increasing the path...

Ngày tải lên: 21/06/2014, 17:20

... Genova, Italy, June 2009 [12] I Bahceci and A K Khandani, “Linear estimation of correlated data in wireless sensor networks with optimum power allocation and analog modulation,” IEEE Transactions ... Power Allocation with Perfect CSI 3.1 Minimization of the Distortion Subject to the Power Constraint We base our adaptive power allocation design on the...

Ngày tải lên: 21/06/2014, 17:20

... Mahonen, Combining Particle Filtering with Cricket System for Indoor Localization and Tracking Services Personal, Indoor and Mobile Radio Communications, 2007, in PIMRC 2007 IEEE 18th International ... Bayesian filtering for indoor localization and tracking in wireless sensor networks Anup Dhital1,2 , Pau Closas∗3 and Carles Fern´ ndez-Prades3 a Universita...

Ngày tải lên: 21/06/2014, 17:20

... Mahonen, Combining Particle Filtering with Cricket System for Indoor Localization and Tracking Services Personal, Indoor and Mobile Radio Communications, 2007, in PIMRC 2007 IEEE 18th International ... Bayesian filtering for indoor localization and tracking in wireless sensor networks Anup Dhital1,2 , Pau Closas∗3 and Carles Fern´ ndez-Prades3 a Universita...

Ngày tải lên: 21/06/2014, 23:20

... energy savings and source -to- sink delay in data dissemination for wireless sensor networks, ” in Proceedings of the 8th ACM Symposium on Modeling, Analysis and Simulation of Wireless and Mobile ... D Demaine, and S Teller, “Mobile-assisted localization in wireless sensor networks, ” in Proceedings of the 24th Annual Joint Conference of the IEEE Computer and Com...

Ngày tải lên: 22/06/2014, 19:20

... scheduling sensor activities while maintaining target coverage has been studied in [16, 51, 52, 53, 54] The problem of scheduling sensor activities while maintaining connectivity has been studied in ... related work on scheduling sensor activities and lifetime maximization in wireless sensor networks In chapter 3, we introduce the Connected Target coverage (C...

Ngày tải lên: 12/09/2015, 08:19

... domains in wireless sensor networks 1.1 Resource Management in Wireless Sensor Networks Wireless Sensor Networks (WSNs) consist of large numbers of low-power nodes, each with sensing, processing ... RESOURCE MANAGEMENT FOR TARGET TRACKING IN WIRELESS SENSOR NETWORKS HAN MINGDING (B.Eng (Hons), NUS ) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF E...

Ngày tải lên: 16/10/2015, 11:57

... The types of topologies used for sensor networks include star, mesh, star-mesh etc [2] In Wireless sensor networks there are two kinds of wireless nodes; sensor and base station nodes The main ... ensuring that the LEAP protocol is able to handle all three scenarios aforementioned, the LEAP protocol will be improved in terms of security for WSNs I used the...

Ngày tải lên: 05/03/2014, 23:20

... simplicity III THE RELIABLE TRANSPORT PROBLEM IN WSN In the preceding discussions, we introduced the notion of event-to-sink reliability in WSN and pointed out the inapplicability of existing transport ... AKYILDIZ: EVENT-TO-SINK RELIABLE TRANSPORT IN WIRELESS SENSOR NETWORKS 1009 soon as possible We can achieve such an aggressive increase by invoking the fact that...

Ngày tải lên: 16/03/2014, 19:20

... read the sensor data with kHz sample rate and send the data to the coordinator within a short latency At the early stage, some preliminary designs based on the existing hardware platforms and ... platforms 5.2 Simulation results For each algorithm, many cases with different configurations of parameters (e.g., payload, superframe length, macMaxCSMABackoffs, and macMaxFrameRetries...

Ngày tải lên: 20/06/2014, 22:20