On reliable and scalable management of 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

... strong diversity of coexistent definitions In this section, we summarize the most common definitions in the form of a survey of lifetime definitions 2.1 Network Lifetime Based on the Number of Alive ... when either the percentage of alive nodes or the size of the largest connected component of the network drop below a specified threshold However, this definition o...

Ngày tải lên: 28/04/2014, 13:38

... Efficient integration of secure and safety critical industrial wireless sensor networks EURASIP Journal on Wireless Communications and Networking 2011 2011:100 Submit your manuscript to a journal and ... using existing automation equipment and standards, addressing safety and security, using Profinet IO, Profisafe, and WirelessHART In order to retrofit securi...

Ngày tải lên: 20/06/2014, 22:20

... respectively, the set of nodes and the set of valid radio links l(x, x ) Under the hypothesis of switched links, l(x, x ) only exists if both are in range one of each other.1 The connectivity is ... outside the disk can help for the connectivity of nodes inside the disk Then, connectivity is assessed through the probability P(con(A)) that the nodes inside a...

Ngày tải lên: 22/06/2014, 19:20

... Capture Window for Sensors There is other sensor information section where the software tool user introduces specific information about the integrated sensors on the mote, the mote model or the mote ... J.; He, T The LiteOS operating system: Towards unix-like abstractions for wireless sensor networks In Proceedings of the 7th International Conference on Infor...

Ngày tải lên: 05/12/2015, 22:57

... Based on the network model, we present the structure of a data aggregation tree used for data Chapter On Maximizing the Lifetime for Data Aggregation in WSNs 21 aggregation in WSNs and its lifetime ... energy consumption of backbone nodes (a) Nodes u, v, x, and y use a large-range radio in the backbone (b) Node v uses a small-range radio, and the others use a l...

Ngày tải lên: 20/05/2016, 21:46

... 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

... 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

... (5) EDDK: Energy-Efficient Distributed Deterministic Key Management Scheme To fix the flaws present in the aforementioned key management schemes, we propose a distributed deterministic key management ... versus Distributed Key Management Schemes LKHW is a centralized key management scheme for WSNs based on the Logical Key Hierarchy (LKH) [7] In the scheme, t...

Ngày tải lên: 21/06/2014, 11:20

... issues and challenges in the development of inbody and on- body MAC protocols Section concludes our work Antenna Design for an In- Body Sensor Network The band designated for in- body communication ... for an on- body sensor network The rest of the paper is categorized into four sections Section presents a discussion on antenna design for an in- body sensor netw...

Ngày tải lên: 21/06/2014, 23:20

... this dissertation, we design and implement efficient large data dissemination and collection protocols for wireless sensor networks, which outperform state-of-the-art protocols by a large margin ... Efficient Data Dissemination and Collection Protocols for Wireless Sensor Networks Manjunath Doddavenkatappa A THESIS SUBMITTED FOR THE DEGREE OF PhD IN COMP...

Ngày tải lên: 10/09/2015, 09:10

... attempts to develop a new network management and data collection framework for heterogeneous wireless sensor networks called as Heterogeneous Wireless Sensor Networks Management System (H-WSNMS), which ... WSNs Wireless Sensor Networks XML Extensible Mark-up Language xi ABSTRACT Yu, Qun M.S., Purdue University, August, 2010 Design and Implementation...

Ngày tải lên: 24/08/2014, 10:50

... Data Traditional sensor network wireless Attack Data Traditional sensor network wireless or Random Kay Predistribution Data and information spoofing, Attacks in information in Transit Traditional ... sensor network wireless REWARD Blackhole attacks Traditional sensor network wireless Tiny Sec Data and Information spoofing, Message Replay Attack Data and Infor...

Ngày tải lên: 05/03/2014, 23:20

... 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

... bounding box of an GT object with → centroid x GT and let dGT be the length of the bounding box’ → → diagonal of the GT object Let b AR and x AR be the bounding box and the centroid of an AR object ... calculation of the distance matrix according to (50) is included in Figure 12 and marked as Step Step represents the analysis of temporal correspondence and hence the calc...

Ngày tải lên: 22/06/2014, 00:20