high throughput path establishment for common traffic in wireless mesh networks

... Obtaining the optimal sharing efficiecy on gateways 3.2 Sharing Efficiency of Gateways Two gateways interfere with each other if they are within the distance of Int Dhops Int D is defined as Interfering ... traffic scheduling scheme for all the gateways, since in each interfering group, the sum of the sharing efficiency is always equal or smaller than 100% In the scheduling scheme, time slots in backbone ... assumed in the following of this paper that downlink traffic is dominant in the WMN Therefore, most of W1 and W2 will be assigned to downlink communications and throughput is decided by downlink throughput, ...

Ngày tải lên: 21/06/2014, 18:20

... University, Tianjin 300457, PR China 3School of Computer Engineering, Nanyang Technological University, 639798, Singapore Competing interests The authors declare that they have no competing interests ... Symposium on Information Processing in Sensor Networks (IPSN), California, 91–98 (April 2005) 20 E Ekici, J Mcnair, D Al-Abri, A probabilistic approach to location verification in wireless sensor networks, ... Washington, 1279–1284 (November 2007) 23 D Ma, MJ Er, B Wang, HB Lim, K-hop statistics in wireless sensor networks, in Proc International Conference on Intelligent Sensors, Sensor Networks and Information...

Ngày tải lên: 20/06/2014, 22:20

... are Tiny Public Key (TinyPK) [4] and Tiny Elliptic Curve Cryptosystem (TinyECC) [5] With symmetric cryptography, the simplest idea is to load a secret information in the sensor nodes before their ... key For example in [6], the authors focus on developing cost-saving mechanisms while weakening the threat model They propose Key Infection, a lightweight security protocol suitable for use in ... D Culler, and J D Tygar, “SPINS: security protocols for sensor networks, ” in Proceedings of the 7th Annual International Conference on Mobile Computing and Networking, pp 189–199, ACM Press,...

Ngày tải lên: 21/06/2014, 11:20

... minimal-hop path to each sink node in a short time interval We will explain the details about how to construct the routing tree with maximal path sharing in the following part 4.2 Path- sharing ... “Optimizing data replication for expanding ring-based queries in wireless sensor networks, ” in Proceedings of the 4th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless ... optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings The authors also derived the replication strategies that minimize...

Ngày tải lên: 22/06/2014, 19:20

... MANAGEMENT FOR TARGET TRACKING IN WIRELESS SENSOR NETWORKS HAN MINGDING (B.Eng (Hons), NUS ) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING ... caters to the growing need for indoor human activity monitoring for elderly healthcare applications [2], and increasing interest in developing pervasive computing applications for smart-space environments ... covered in this thesis, organized into three categories: (i) state estimation for target tracking and information-based approaches for sensor selection, (ii) data routing in wireless sensor networks, ...

Ngày tải lên: 16/10/2015, 11:57

... for us to convert all the nonlinear terms into linear ones For example, for the nonlinear term ain p aimq in (10) and (11), i we can first introduce auxiliary variables τn p ,mq = ain p aimq for ... Li, “Joint channel assignment and routing for throughput optimization in multi-radio wireless mesh networks, ” in Proceedings of the 11th Annual International Conference on Mobile Computing and ... links carry different traffic loads In Figure 2(a), the number above each link indicates the expected load on the link For example, link (5, 6) has a load of 5U since it forwards flows originating...

Ngày tải lên: 21/06/2014, 23:20

... participate in mesh forming, WMNs can be broadly classified into two types [1]: infrastructure mesh and hybrid mesh Infrastructure mesh is the most common form of WMNs Like the STAs in the infrastructure ... backhaul links N0 The receiver noise in dBm Pl(d) The path loss in dB for path length d PRx The received power in dBm PTx The transmitting power in dBm path( i) The set of links on the routing path ... nodes: mesh routers and mesh clients (See Fig 1.1) Mesh routers have minimal mobility and form a relatively stable multi-hop wireless mesh backbone for mesh clients Certain mesh routers with the...

Ngày tải lên: 09/09/2015, 08:12

... Description WPANs Wireless Personal Area Networks WLANs Wireless Local Area Networks WMANs Wireless Metropolitan Area Networks WWANs Wireless Wide Area Networks WMNs Wireless Mesh Networks WSNs Wireless ... Bluetooth Wireless Networking Infrastructure-based Wireless Mesh Networks Multi-hop Wireless Sensor Networks Infrastructure-less (MANET) ZigBee Fig 1.1: Taxonomy of wireless networks CHAPTER Introduction ... nodes in the network automatically establishing mesh connectivity There are mainly two types of nodes in mesh networks: mesh routers and mesh clients Mesh routers with routing functionality form...

Ngày tải lên: 04/10/2015, 17:06

... 2009 Generalizing Dependency Features for Opinion Mining In Proceedings of the ACL-IJCNLP 2009 Conference Short Papers, pages 313–316, Suntec, Singapore, jul Suntec, Singapore Dan Klein and Christopher ... Trees In Proceedings of the 17th European Conference on Machine Learning, pages 318–329, Berlin, Germany, sep Machine Learning: ECML 2006, 17th European Conference on Machine Learning, Proceedings ... Convolution kernels for natural language In Proceedings of Neural Information Processing Systems, pages 625–632 Marie-Catherine de Marneffe and Christopher D Manning 2008 The stanford typed dependencies...

Ngày tải lên: 30/03/2014, 17:20

... aware chain routing protocol for continuous data dissemination in wireless sensor networks, ” in Proceedings of the 1st International Conference on Intelligent Sensors, Sensor Networks and Information ... reach the sink with minimal routing overhead Modes of Operation for Updating Status Information We propose various modes of operation for updating status information of the sensor nodes in the WSNs ... routing protocols not consider time deadlines, energy, or congestion at the forwarding nodes while routing a packet to its destination [7] Therefore, no single routing protocol performs well in...

Ngày tải lên: 21/06/2014, 23:20

... and used one half for training the classifier and the other half for testing To obtain a stable informational value, this partitioning, training, and testing was performed in terms of 500 different ... positions of interesting regions Susceptibility index for each slide Figure Screening pipeline Screening pipeline After inserting the slides onto the xy-stage, the screening is started in the control ... is incorporated as A , as the former nonlinear correlation of both features is thus linearized Such a nonlinear preprocessing can also be done for more sophisticated features In order to train...

Ngày tải lên: 12/08/2014, 05:20

... another group that includes the protein kinase A pathway genes rdeA and regA (described in detail below) These Genome Biology 2007, 8:R144 information strains out of 1,799) and 32% in the previously ... DDB0187422) that encodes an arginine-Nmethyltransferase, a conserved PRMT5 family protein involved in post-translational modification of proteins involved in RNA processing, DNA repair, and transcriptional ... Figure 3a, we sought to obtain the distribution of the cAMP wave phenotype in order to gain insights into the underlying self-organizing mechanism At t = tend, the main frequency 1/ s = 1/s* and...

Ngày tải lên: 14/08/2014, 07:22

... activation of intracellular signalling molecules including calcium, protein kinase C (PKC), tyrosine kinases, myosin light chain kinase (MLCK), and small Rho-GTPases; these kinases and GTPases then phosphorylate ... ABBREVIATIONS MLC Myosin Light Chain MLCK Myosin light chain kinase MYPT Myosin Light chain phosphatase Arp2/3 Actin-related protein 2/3 PLC Phospholipase C PIP2 Phosphatidylinositol 4,5-bisphosphate ... introduces mathematical modeling of signaling pathways (Section 1.2) The following sections of this chapter introduce the disease biomarker selection using high throughput data, includes microarray and...

Ngày tải lên: 09/09/2015, 10:14

... kinases For example, some kinases bind to their protein substrates before binding ATP and others release ADP before releasing the protein substrate.19 N Kinase Substrate ATP ATP binding Kinase ... become one of most popular high- throughput screening platforms for wide application from expression profiling, 16 mapping interaction networks to molecular fingerprinting and ligand discovery Microarray ... approaches and introducing high throughput screening platforms Chapter describes a solution-cum-solid phase strategy for rapid assembly of diol-containing small molecules as potential HIV-1 inhibitors...

Ngày tải lên: 10/09/2015, 15:49

... switching decisions are made individually for each path rather than for the entire line Therefore, no signaling is needed in UPSR For instance, as shown in Fig 2.5(b), in the case of a cable cut, ... FIPP Failure Independent Path- Protecting HALCS Heuristic Algorithms of Lightpath-protecting p-Cycle Selection ILP Integer Linear Programming IRA Independent Reconfiguration Approach IRAP Independent ... the Internet but also other services including mobile communication, bank machines, leased lines, etc Various services are accommodated in corresponding virtual networks built on top of the common...

Ngày tải lên: 11/09/2015, 10:18

... minisequencing followed by denaturing high- performance liquid chromatography for simultaneous detection of five most common mutations in the β-globin gene in Chinese populations Their methodology involved ... identify Inapplicable for Gold-standard identification unknown variants multiplexing method 1.1.2.1 The principle of the minisequencing (Figure 1.2) In a minisequencing assay, the DNA region spanning ... determine the diversity of genotyping strategies 12 i) Minisequencing/denaturing high- performance liquid chromatography (DHPLC) In 2003, Wu, et al., (2003) reported the application of using the minisequencing...

Ngày tải lên: 12/09/2015, 08:18

... challenging task lies in elucidating how such proteins performs their functional roles in their native cellular milieu Visualizing proteins in living cells is essential for a better understanding ... Chemoselective reaction between a thioester-containing probe and an Nterminal Cys protein in a living cell 83 Fig 6.4 Site-specific labeling of N-terminal cysteine proteins with the small molecule Probes Fig ... Srinivasan, R.; Huang, X.; Yao, S.Q Activity based fingerprinting of Proteases: Presented at the First Singapore Mini-Symposium on Medicinal Chemistry: Advances in Synthesis and Screening Singapore,...

Ngày tải lên: 14/09/2015, 14:05

... methods in wireless networks including [11] and [12] were discussed only in the link or/and physical layer Conclusion We proposed a TCP window-size delegation method for downlink TXOP Exchange in ... = α · Wid /2 in Equation In Figure 8, window-size delegation increases an increasing slope of Wci (x) in an interval of linear to (1 + a)-fold from Wi(x) If we want to control window-size delegation ... maintaining c constant Therefore, we enable the throughput delegation by controlling the number of packets for each STA in the AP sending queue There are a couple of possible ways of controlling...

Ngày tải lên: 21/06/2014, 01:20

... algorithm in wireless sensor networks is stated in the following theorem Theorem Consider the M-th order DAC algorithm in (2) in a time-invariant, connected, undirected wireless sensor network, with initial ... the diversity gain In the future, we intend to investigate the effects of fading, link failure, and other practical conditions when utilizing the DAC algorithm in wireless sensor networks References ... algorithms for both network scenarios Conclusions In this paper, we present a linear high- order DAC algorithm to address the distributed computation problem in wireless sensor networks Interestingly,...

Ngày tải lên: 21/06/2014, 16:20

... overhead in ordinary nodes reduces with the increase of the number of common auxiliary nodes In addition, it also shows an interesting phenomenon, that is, increasing the number of common auxiliary ... 2006 T Vu, R Safavi-Naini, and C Williamson, “Securing wireless sensor networks against large-scale node capture attacks,” in Proceedings of the 5th ACM Symposium on Information, Computer and ... 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...

Ngày tải lên: 21/06/2014, 17:20