Optimal Selection of Sink Nodes in Wireless Sensor Networks in Adversarial Environments

... close to the optimal selection of sink nodes In Section IV, we describe the simulations that we used to analyze the performance of our greedy algorithm in terms of sink selection cost incurred and ... metric π(G), in this section, we formalize the problem of optimal selection of sink nodes in a network with a given topology We show that the optimal sel...

Ngày tải lên: 14/04/2015, 14:00

... construction of backbones for wireless sensor networks, that is, subsets of nodes that span the network, and all other nodes are within one hop from one of them Such structures can be used for a million ... push forward Note that the work applies not only to sensor networks, but to general wireless networks as well, and should be read with this in mind You have got them...

Ngày tải lên: 22/06/2014, 19:20

... 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

... 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

... 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

... respectively Then, the cluster-heads and the sink node distribute the schedules to their clustered nodes and the cluster-heads in the network, respectively In the case of the cluster-heads, the schedules ... article as: Choi and Lee: Energy consumption and lifetime analysis in clustered multi-hop wireless sensor networks using the probabili...

Ngày tải lên: 20/06/2014, 22:20

... 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

... to estimate the location of a transmitter with minimal information available at a set of receivers Our approach adapts the concept of moving average from a weighting method over time and applies ... et al [17] and localizes the transmitting source of a message to the (x, y) coordinates obtained from averaging the coordinates of all receiving devices within range Weighted...

Ngày tải lên: 21/06/2014, 23:20

... 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

... Communication intensive Large data amounts in high frequency One per rescuer in mountain area WINS for military [22] Military Target identification, realtime, security, quality of data Large data amounts, ... QoS-aware middleware requires a more powerful platform than the other two A database approach is taken in sensor information and networking architecture (SINA) [24], in Ti...

Ngày tải lên: 23/06/2014, 00:20

... one NA in the network, which is dominating all the other network nodes In this case, once the sink reaches the only NA, it stops moving, resulting in static sink scenario 6.5 Sink mobility in real-time ... multiple sinks can be divided into sub -networks, each of which is composed of a single sink, data sources reporting to the sink, and sensors relaying messages for the sou...

Ngày tải lên: 14/04/2015, 13:26

... 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

... 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

... irregular wireless sensor networks In Proceedings of the 4th European Workshop on Sensor Networks (EWSN) Delft, The Netherlands IEEE DUARTE-MELO, E J AND LIU, M 2003 Data-gathering wireless sensor networks: ... on Sensor Networks, Vol 4, No 4, Article 24, Publication date: August 2008 Spatial Correlation on Routing with Compression in WSNs PROOF • 24:29 The pro...

Ngày tải lên: 28/04/2014, 13:41