Báo cáo hóa học: " A QoS guaranteeing MAC layer protocol for the “underdog” traffic" ppt

... 15 RESEARCH Open Access A QoS guaranteeing MAC layer protocol for the “underdog” traffic Mahasweta Sarkar 1* and Christopher Paolini 2 Abstract With the tremendous boom in the wireless local area ... time for propagation of the data packet, then a SIFS amount of time before the receiving STA’s interface can transmit an acknowledgement frame, then (ACK/R)timeto...

Ngày tải lên: 20/06/2014, 22:20

... of the arm. At the end of each task, a standard back-propagation algorithm with momentum is used for the training and thus the variation of the weights. The training of the artificial neural ... humans in similar tasks; • the paradigm adopted for the on-line learning of the sys- tem dynamics that includes the biomechanical character- istics of the arm. In this wa...

Ngày tải lên: 19/06/2014, 10:20

... the result of advective-diffusive equation for concentrations and the Darcy flow equation. The more popular approach in application so far has been based on the mixed formulation. In a previous ... discontinuous Galerkin formulation of the incompressible miscible displacement problem is mathematically viable, and we also believe it may be practically useful. It generalizes and e...

Ngày tải lên: 20/06/2014, 22:20

... Surface area of the catalyst before and after use in the reaction was mea- sured using surface area & pore size analyzer (NOVA 1000e, Quanta chrome Instruments). All the chemicals were used as-received. 5. ... chemistry Lakhinath Saikia 1 , Jejiron Maheswari Baruah 2 and Ashim Jyoti Thakur 1* Abstract Background: Synthesis of oximes is an important reaction in organic chemistry, bec...

Ngày tải lên: 20/06/2014, 22:20

... out the design of the study and performed the analysis. WP participated in its design and coordination. All authors read and approved the final manuscript. Competing interests The authors declare ... tropy rate for some stationary random fields on a homogeneous tree. Pemantle [5] proved a mixing prop erty and a weak law of large numbers for a PPG-invariant and ergodic ra...

Ngày tải lên: 20/06/2014, 23:20

... efficient MAC. A TDMA-based approach has many advantages over other similar techniques such as CSMA/CA and FDMA. Authors of [12] have provided a comparison between TDMA and CSMA/CA as shown in Table ... on the main radio for data communication. A beacon is received from BNC. The BN sends the data packet to the BNC and waits for the Ack. Equation (26) is used to calcu...

Ngày tải lên: 21/06/2014, 17:20

... that early learning activated the right stria- tum and right parietal area, as well as the left parietal and primary sensory area, and that there was a deactivation of the left premotor area. As ... human learning can be divided into so-called declara- tive and procedural forms, then declarative or explicit learning and memory refer to the acquisition and retrieval of information ac...

Ngày tải lên: 19/06/2014, 08:20

... 38:820-836. 21. Tirassa M, Carassa A, Geminiani G: A theoretical framework for the study of spatial cognition. In Spatial Cognition Edited by: O'Nuallain S. Amsterdam: Benjamins; 2000:19-31. ... of Human Science, University of Bergamo, Piazzale S. Agostino 2, I-24129 Bergamo, Italy Email: Francesca Morganti* - francesca.morganti@auxologico.it; Andrea Gaggioli - andrea.gaggioli@au...

Ngày tải lên: 19/06/2014, 10:20

... about typical shape and image data characteristics. But, manual segmentation is a very time-consuming process for the already increasing amount of medical images. As a result, reliable automatic methods ... that the values for GCE and LCE are lower in the case of hexagonal segmentation. The error measures, for almost all tested images, have smaller values in the case of t...

Ngày tải lên: 20/06/2014, 04:20

... performs the casting technique in all the patients. DP participate and analysis the study. HC designed and coordinated and drafted the manuscript. All authors read and approved the final manuscript. Figure ... Department, M.P.Shah Medical College, Guru Govind Singh Hospital, Jamnagar - 361008. Gujarat. India Full list of author information is available at the end of the article...

Ngày tải lên: 20/06/2014, 04:20