performance comparison of multihop wireless mobile adhoc routing protocols
Báo cáo hóa học: " Research Article Impact of LQI-Based Routing Metrics on the Performance of a One-to-One Routing Protocol for IEEE 802.15.4 Multihop Networks" docx
... plotsthePDRofeachflowagainst its average number of hops for the four routing metrics.7.6. Cost of Data Packet Delivery. Finally, we study theinfluence of each routing metric on the cost of data ... the main characteristics of routing metrics used in low-power wireless networks. Routing metricProperties of the metricHop countAwareness of linkqualityQuality of all linksis distinguishedLink ... Many routing protocols that arecurrently used for this application space are descendants of the Ad hoc On-demand Distance Vector (AODV) routing protocol [10]. Examples of these are the mesh routing...
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Báo cáo khoa học: "Paragraph-, word-, and coherence-based approaches to sentence ranking: A comparison of algorithm and human performance" ppt
... choose the first sentences of each 1 We did not use any machine learning techniques to boost performance of the algorithms we tested. Therefore performance of the algorithms tested here ... weight of sentence i in document j, nsi is the number of words in sentence i, k is the kth word in sentence i, tfjk is the frequency of word k in document j, nd is the number of documents ... definition of discourse segments because we used the discourse trees from Carlson et al. (2002)’s database of coherence-annotated texts. 3.1.2 Kinds of coherence relations We assume a set of coherence...
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design and performance of 3g wireless networks and wireless lans
... conferences01020304050607080ICADL1998ICADL1999ICADL2000ICADL2001ICADL2002ICADL2003# of Papers# of Papers from Asia Figure 1. Number of papers accepted in ICADL ICADL 1998 ICADL 1999 ICADL 2000 ICADL 2001 ICADL 2002 # of Papers 23 18 37 34 54 # of Papers ... 14 26 25+ 31+ # of Countries 7 7 12 12 20 # of Countries from Asia 6 5 7 9 12 # of Institutions 17+ 14+ 31+ 33+ 55+ # of Institutions from Asia 12+ 10+ 21+ 22+ 23+ # of Academic Departments/Disciplines ... coherent view of the collection of data and a sensible set of services, there is a need for remoteaccess mechanisms for digital library services. The simplest of these is theconcept of remote searching,...
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Báo cáo toán học: " Recursive analytical performance evaluation of broadcast protocols with silencing: application to VANETs EURASIP Journal on Wireless Communications and " pptx
... might terminate beforereaching the end of the network.2.2 Performance metrics of interestIn this work, the performance of probabilistic multihop broadcast protocols will be investigated using ... conditions—this is the very idea of IF. The shape of p, as a function of d, is shown in Figure 5, for different values of cand ρs. It can be observed that the PAF of SIF is monotonically increasing ... the average global performance metrics (namely, RE, D, and TE), on the basis of the average local performance metrics of a generic TD. We recall that, thanks to the assumptions of the deterministic...
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Báo cáo hóa học: " A survey of performance enhancement of transmission control protocol (TCP) in wireless ad hoc networks" pptx
... TD Dyer, RV Boppana, A comparison of TCP performance over three routing protocols for mobile ad hoc networks, in Proceedings of the 2001 ACMInternational Symposium on Mobile Ad hoc Networking ... in wireless ad hoc networksTCP was designed for wired networks without consider-ing the complexity of wireless networks. With theadvent of wireless technology TCP was also employed in wireless ... 2002 Mobile TCP-DOOR T Y - Y Y - - - Y Y - DSR Out of orderpacket- 2002 Mobile Backuppath routing N Y - - Y - - - Y - - SMR - - 2003 Mobile COPAS N Y Y Y Y - - - Y - - DSR Weighted.Ave Backoff-...
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Báo cáo hóa học: " Research Article On the Effect of Self-Interference Cancelation in MultiHop Wireless Networks" ppt
... receiver node of any link in thecase of the tandem multihop wireless network (Figure 4)issmaller on average to that of the multihop wireless network(Figure 6) (Note that any receiver node of the ... (1), the scaling of G by a factor of 1/κ (or 1/θη)is equivalent to the scaling of node distance matrix D by afactor of θ and the scaling of self-interference gains g by afactor of 1/θη. Therefore, ... results further showsthat the topology of the network has a substantial influenceon the performance gains. For example, in the case of tandem multihop wireless networks the benefits due to self-interference...
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báo cáo hóa học:" Performance assessment of IP over vehicular delay-tolerant networks through the VDTN@Lab testbed EURASIP Journal on Wireless Communications and Networking 2012, 2012:13 " pptx
... data planes using out -of- band signaling. Designing protocols for VDTNs poses a number of technical challenges due to the nature of vehicular environments and to a variety of factors including ... 21 The performance metrics considered in this study are the bundle delivery probability (measured as the relation of the number of unique delivered bundles to the number of bundles generated), ... time, and the historic of nodes that have stored-carried-and-forwarded each delivered bundle. Figure 5 presents an illustration of the software modules for terminal and mobile nodes, respectively....
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Wireless & Mobile Systems
... Introduction 4 Wireless devices range :ã Mobile : Cellular (2G,3G,so called 4G), Private Mobile Radio (Analogue, Digital), Mobile mesh, Emerging technologies including Cognitive Radio and Softre ... 25/09/08)2 Fundamental aspects on Wireless and Mobile Communications (Cf.See books of Papadimitriou, Molisch, Schiller,…)Part III – Basic cases on Wireless and Mobile Systems (12t) (Mar 30/09 ... broadcasting Mobile broadcastingto handhelds. Introduction 5Figure 1.2. Some Spectrum Allocations in the UHF Band (January 2008) Wireless & Mobile Systems Goals and Content of this Course...
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Slide Wireless Mobile
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Báo cáo y học: "A three-country comparison of psychotropic medication prevalence in youth"
... School of Pharmacy, University of Maryland, Baltimore, Maryland, USA, 2Department of Psychiatry, School of Medicine, University of Maryland, Baltimore, Maryland, USA, 3Departments of Psychiatry ... (110/1908) of US medicated youth, 1.9% (18/937) of medicated Dutch youth and 4.6% (62/1358) of medi-cated German youth.DiscussionThe major finding of this cross-national prevalence study of psychotropic ... use of common surgical procedures: an inter-national comparison of New England, England, and Norway.N Engl J Med 1982, 307:1310-1314.13. Sheehan KH: Caesarean section for dystocia: a comparison...
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Báo cáo y học: "A Comparison of Immuncapture Agglutination and ELISA Methods in Serological Diagnosis of Brucellosis"
... Evaluation of Brucellacapt for the diagnosis of human brucellosis. Journal of Infection 2004; 49: 102–108. 3. Clavijo E, Diaz R, Anguita A, Garcia A, Pinedo A, Smith HL. Comparison of a Dipstick ... T. Comparison of Coombs and immunocapture-agglutination tests in the diagnosis of brucellosis. Chin Med J 2005;118(3):252-4. 6. Prado A, Gutierrez P, Duenas A. Serological follow-up of bru-cella ... Gültekin M, Mamıkoğlu L. Comparison of serologic tests which are used in the diagnosis of Brucellosis. Mikrobiol Bült 2005;39:291-9. 12. Alışkan H. Diagnostic value of Culture and serological...
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Báo cáo y học: "Comparison of osteogenic potentials of human rat BMP4 and BMP6 gene therapy using [E1-] and [E1-,E2b-] adenoviral vectors"
... Similar activities of these two generations of BMP adenoviral vectors were found in all models. These results indicate that the amount of viral gene expression and the source of the BMP cDNA are ... BMPs, BMP9 uses a different type of receptor and signal transduction pathway, the details of which are not yet clear [30, 40]. The functional performances of various BMP adenoviral vectors ... the deletion of the E1 and E2b genes and the use of homologous (rat) BMP genes do not improve the osteogenic potential of direct BMP adenovirus vector gene therapy, the results of this study...
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