Báo cáo hóa học: " A New Strategy to Improve Proactive Route Updates in Mobile Ad Hoc Networks" ppt

... approximate routes to each destina- tion rather than exact routes. In [12, 13], each node main- tains approximate (or less accurate) information to faraway destinations, since the updates from faraway ... path to the destination uses its rout- ing table to forward each data packet towards the destina- tion. The advantage of this strategy is that routes are adapt- able to the d...

Ngày tải lên: 23/06/2014, 00:20

... Mohammad Reza Ahmadi 3 , Seyyed Mohsen Hashemi 1 , Jamshid Bagherzadeh 4 and Ahmad Khadem-Zadeh 3 Abstract Certificate authorities (CAs) are the main components of PKI that enable us for providing ... basic security services in wired networks and Internet. But, we cannot use centralized CAs, in mobile ad hoc networks (MANETs). So, many efforts have been made to adapt CA to the s...

Ngày tải lên: 20/06/2014, 22:20

... routing protocols, such as DSR and AODV. We employ the path (link) resid- ual time and path (link) duration as adaptive parameters for route and link caching schemes in on-demand routing proto- cols, ... Krishnamachari, and A. Helmy, “PATHS: analysis of PATH duration statistics and their impact on reactive MANET routing protocols,” in Proceedings of the 4th ACM Interational Sy mposium...

Ngày tải lên: 22/06/2014, 22:20

... treatment effect. Perhaps the most important measurement property of a quality-of-life questionnaire used in clinical trials is its ability to reveal a minimal clinically significant change in a particular context. ... assuming clinical stability over this period of time and bef ore any intervention, we adminis- tered again the Laval Questionnaire to all patients in order to...

Ngày tải lên: 20/06/2014, 15:20

... 2011:18 http://jwcn.eurasipjournals.com/content/2011/1/18 Page 6 of 10 RESEARC H Open Access A new approach to geographic routing for location aided cluster based MANETs SenthilVelmurugan Mangai 1* and Angamuthu Tamilarasi 2 Abstract Routing has been ... Engineering, Velalar College of Engineering and Technology, Thindal, Erode-638 012, Tamil Nadu, India Full list of author information...

Ngày tải lên: 21/06/2014, 03:20

... not be applied too often, because then GA will in fact change to random search. Our mutation operator includes a proba- bility (3%) that an arbitrary weight in a vector will be changed by a uniformly ... provided with the Tool Assisting Human Assessors (TAHA) software tool 9 that enables sentences to be easily selected and stored for later inclusion in the doc- ument extract....

Ngày tải lên: 07/03/2014, 22:20

... general case, it would seem that characterizing a sample of the translator’s art as a good translation is akin to charac- terizing a case of mayhem as a good crime: in both instances the adjective ... entry bears the chain flag f. Sometimes, a rearrangement in order of the strings is indicated, as a result of the above appraisal. 7. The SC may indicate that a key t...

Ngày tải lên: 16/03/2014, 19:20

... words instead of word indexes in categories to make the example easy to understand. 581 terminals in the source language, and T e is a set of terminals in the target language 1 . A string -to- dependency ... Minimum error rate training for sta- tistical machine translation. In Erhard W. Hinrichs and Dan Roth, editors, Proceedings of the 41st Annual Meeting of the Association f...

Ngày tải lên: 17/03/2014, 02:20

... German Fed- eral and State Governments - is to combine the tradi- tionally separated disciplines of hydrauli c engineering and ecotoxicology in a single experimental approach in order to investigate ... equally to the content of the article and gave their final approval. All authors read and approved the final manuscript. Competing interests The authors declare that they have no c...

Ngày tải lên: 20/06/2014, 21:20

... conductivity, the photoca- talytic properties increased dramatically [3-5]. In addi- tion, CNTs with large surface areas are ideal supporting materials for catalysts NPs, leading to improvements in the efficiency ... applicable for a large variety of metal ions, thus offering a great potential application. Introduction The attachment of nanoparticles (NPs) on carbon nano- materials...

Ngày tải lên: 21/06/2014, 06:20