Efficient data dissemination and collection protocols for wireless sensor networks
... 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
... ANALYSIS, DESIGN AND OPTIMIZATION OF ENERGY EFFICIENT PROTOCOLS FOR WIRELESS SENSOR NETWORKS HOANG DUC CHINH (B.Eng., Hanoi University of Technology, Vietnam) A THESIS SUBMITTED FOR THE ... 21 1.3.4 Energy Efficient Routing and Optimization Methods in Wireless Sensor Networks 24 2.1 Introduction 24 2.2 Routing Protocols for Wireless Sensor Netwo...
Ngày tải lên: 10/09/2015, 09:04
... A virtual infrastructure based on honeycomb tessellation for data dissemination in multisink mobile wireless sensor networks Ay¸eg¨l T¨ys¨z Erman∗ , Arta Dilo and Paul Havinga s u u u Pervasive ... and challenges of using mobile sinks in WSNs Next, we introduce our virtual infrastructure based on honeycomb tessellation and the protocol based on...
Ngày tải lên: 20/06/2014, 20:20
Energy efficient protocols for wireless sensor networks
... mainly focus on the design of energy efficient protocols for WSNs in the form of wakeup scheduling of the sensor nodes We propose two energy conserving protocols for different applications, one ... WSN is designed for, it is necessary to make the protocols as energy- efficient as possible The reason is simply because the source of energy for typical sensors are limit...
Ngày tải lên: 05/10/2015, 21:23
Báo cáo hóa học: "IDEA1: A validated SystemC-based system-level design and simulation environment for wireless sensor networks" pot
... 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
Báo cáo hóa học: " Research Article Efficient MAC Protocols for Wireless Sensor Networks Endowed with Directive Antennas: A Cross-Layer Solution" pot
... pp 171–180, Los Angeles, Calif, USA, November 2003 [18] G Lu, B Krishnamachari, and C S Raghavendra, “An adaptive energy-efficient and low-latency MAC for data gathering in sensor networks, ” in Proceedings ... The channel access is managed by means of the carrier sense multiple access with collision avoidance (CSMA/CA) scheme, as specified in [19] Before transmitting a packet toward...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Energy-Efficient Medium Access Control Protocols for Wireless Sensor Networks" docx
... aware multiaccess protocol with signaling for ad hoc networks,” ACM SIGCOMM Computer Communication Review, vol 28, no 3, pp 5–26, 1998 P802.11, “Ieee standard for wireless lan medium access control ... transmission time for each TRFR message comply with a uniform distribution, and carrier sensing is done before sending Since hidden problem is accessible for our system, the per...
Ngày tải lên: 22/06/2014, 22:20
Robust and energy efficient routing for wireless sensor networks
... wireless networks such as Moible Ad Hoc Networks (MANET) and wireless sensor networks Routing protocols for MANET have been designed to handle fast topology changes On the other hand, in wireless sensor ... attempts to solve the routing problem due to the dynamics of wireless links and therefore focus on designing robust and energy efficient routing protocols...
Ngày tải lên: 11/09/2015, 16:06
A Survey on Network Security and Attack Defense Mechanism For Wireless Sensor Networks pdf
... 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
Báo cáo hóa học: " Efficient integration of secure and safety critical industrial wireless sensor networks" doc
... 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
Báo cáo hóa học: " Research Article Opportunistic Data Collection in Sparse Wireless Sensor Networks" docx
... behind Instead of deleting messages on transmission, CHARON retains them in a special state that does not allow further forwarding, except in the case that the node meets a sink Messages in this ... S Roy, S Jain, and W Brunette, Data MULEs: modeling and analysis of a three-tier architecture for sparse sensor networks,” in Proceedings of the 1st IEEE International Workshop on Se...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: " Research Article An Energy-Efficient Adaptive Modulation Suitable for Wireless Sensor Networks with SER and Throughput Constraints" ppt
... two cases: (a) fixed TDMA with fixed modulation 16-QAM for each sensor and (b) variable length TDMA with fixed modulation (M = 16 and 64), which are shown in Figures and 4, and a frame of 896 symbols ... Helsinki, Finland, September 2006 IEEE Std 802.15.4-2003, IEEE Standard for Information technology—telecommunications and information exchange between systems—local and...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Optimal Throughput and Energy Efficiency for Wireless Sensor Networks: Multiple Access and Multipacket " potx
... schemes, and then study the two optimization problems, throughput maximization and throughputconstrained energy minimization for both MAC schemes 4.1 Throughput and effective energy of round-robin and ... is TDMA in essence: the adjacent sensors form a transmission group and the groups are scheduled for access one by one For random access, we consider the simplest f...
Ngày tải lên: 23/06/2014, 00:20
C-MAC: Model-driven Concurrent Medium AccessControl for Wireless Sensor Networks
... randomized tdma scheduling for wireless ad-hoc networks In MobiHoc, 2006 [17] M Sha, G Xing, G Zhou, and S Liu C-mac: Model-driven concurrent medium access control for wireless sensor networks Technical ... preamble mac protocol for duty-cycled wireless sensor networks In SenSys, 2006 [4] O Chipara, C Lu, and J Stankovic Dynamic conflict-free query scheduling for...
Ngày tải lên: 01/09/2013, 15:23
FED: FUZZY EVENT DETECTION MODEL FOR WIRELESS SENSOR NETWORKS pptx
... simple event detection, composite event detection, and event stream maintenance Ordinary sensor nodes are responsible for detecting simple events The activity starts when a sensor node detectsan event ... generalized model called FED for composite event detection FED benefitsfrom fuzzy modelling in several ways.FED applies fuzzy variables to report simple events an...
Ngày tải lên: 30/03/2014, 16:20