... 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
Event-Based Motion Control for Mobile- Sensor Networks ppt
... other sensors’ motions Recall that in both the history-free and the history-based algorithms, each sensor moves according to a simple known control function Each sensor can therefore predict the motion ... Researchers have only recently begun to study mobile -sensor networks Gabriel Sibley, Mohammad Rahimi, and Gaurav Sukhatme describe the addition of motion to Mote sensors, crea...
Ngày tải lên: 30/03/2014, 16:20
Báo cáo sinh học: " Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" pot
... 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
Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... 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
Báo cáo hóa học: " Research Article Distributed KDC-Based Random Pairwise Key Establishment in Wireless Sensor Networks" pptx
... scheme, differing only in the fact that multiple keys are used to establish pairwise key instead of just one By increasing the amount of key overlap required for key establishment, this scheme increases ... Generating Key Pool The initial key pool consists of L key groups and each key group consists of M initial keys Hence, the initial key pool contains P = L ∗ M initial k...
Ngày tải lên: 21/06/2014, 17:20
báo cáo hóa học:" Research Article Very Low-Memory Wavelet Compression Architecture Using Strip-Based Processing for Implementation in Wireless Sensor Networks" potx
... low-memory implementations for SPIHT compression In strip-based coding, SPIHT coding is sequentially performed on a few lines of wavelet coefficients that are stored in a strip buffer as shown in ... improvements in lowmemory implementations for image compression In stripbased coding, a few image lines that are acquired in raster scan format are first wavelet transform...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article Exploring Landmark Placement Strategies for Topology-Based Localization in Wireless Sensor Networks" pot
... Cort´ s, and A Brandwajn, e Exploring landmark placement strategies for self localization in wireless sensor networks,” 2006, http://rp.lip6.fr/∼benbadis/landmarks placement/ ... routing performance, avoiding the need of equally distant landmark placement We also notice again that as the number of landmarks increases up to a certain threshold, considerable performance ga...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: " Research Article Energy-Efficient Transmission of Wavelet-Based Images in Wireless Sensor Networks" pdf
... be incorporated in a real wireless vision sensor network REFERENCES [1] M Rahimi, R Baer, O I Iroezi, et al., “Cyclops: in situ image sensing and interpretation in wireless sensor networks,” in ... Latifi, “A survey on data compression in wireless sensor networks,” in Proceedings of International Conference on Information Technology: Coding and Computing (ITCC ’05), v...
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: "Research Article Mobile Agent-Based Directed Diffusion in Wireless Sensor Networks" doc
... LastSrc indicates the beginning and ending points of MA’s data gathering RoundIdx is the index of current round The value is initially set to by the sink in the first round, and will be incremented ... Beijing, China, 2004 L M Feeney and M Nilsson, “Investigating the energy consumption of a wireless network interface in an ad hoc networking environment,” in Proceedings of 20th Annual J...
Ngày tải lên: 22/06/2014, 23:20
Distributed optimisation in wireless sensor networks a hierarchical learning approachs
... known as Temporal-Difference (TD) Learning, e.g Q -learning (Watkins and Dayan, 1992) Watkins and Dayan’s Q -learning is based on Q-functions rather than value functions, 17 CHAPTER STOCHASTIC PLANNING ... domain To date, it has found applications in a variety of areas: target tracking (Evans et al., 2005), sensor networks applications (Yeow et al., 11 CHAPTER STOCHASTIC PLANNING Fi...
Ngày tải lên: 12/09/2015, 08:20
Combinatorics based energy conservation methods in wireless sensor networks
... sensing capabilities 1.3.2 Other Energy- Conservation Methods in Sensor Networks Energy Conservation in Routing Techniques in energy conservation are not limited to wakeup schemes for sensors Intelligent ... manufacturing costs, sensors may be deployed in high density to monitor an area of interest One main challenge in deploying such wireless networks is the e...
Ngày tải lên: 15/09/2015, 22:11
Auction based strategy for distributed task allocation in wireless sensor networks
... In Chapter 5, the decision making protocols for winner determination in reverse auction- based task allocation are introduced Our proposed Energy and Delay Efficient Distributed Winner Determination ... centralized winner determination method The task message format for centralize method is {Task, Task Size, Task Deadline} where Task can be any low-level tasks such as s...
Ngày tải lên: 30/09/2015, 14:23
Interference minimized multipath routing with congestion control in wireless sensor network for multimedia streaming
... not hold true for wireless networks due to route coupling 3.3 Wireless Network Multipath load balancing in a single-channel wireless network is not as straightforward as in a wired network This ... WSN with high-capacity UAV backbone network support for multimedia streaming, however multipath routing is not used Much research has been done on multipath 17 r...
Ngày tải lên: 08/11/2015, 16:39
Machine learning based congestion control in wireless sensor networks
... MACHINE LEARNING BASED CONGESTION CONTROL IN WIRELESS SENSOR NETWORKS JEAN-YVES SAOSENG (B Eng , Supelec, France) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT ... 4.2.2 Distributed reinforcement learning in cooperative systems 36 Reinforcement Learning for congestion control 37 4.3.1 Reinforcement Learning of Contention Window Policy (RLC...
Ngày tải lên: 10/11/2015, 11:29