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

... mean the fluctuation on each of the difference images, should be similar to each other. The similarity between the local var iation values is estimated by the standard deviation of the local variations, ... represent that the region is determined as the edge pattern region and a flat region in this classification, respectively, and th1andth2 are thresholds that control th...

Ngày tải lên: 21/06/2014, 08:20

... channel bandwidth, commercials, and so forth. 4. 2. Radio Broadcast Database. For the purpose of our analysis a radio broadcast database was built. The database contains radio broadcast material ... efficiency and performance. The segmentation and classification algorithms were bench- marked on a large dataset, with a classification accuracy of about 95% and a segmentation...

Ngày tải lên: 21/06/2014, 19:20

... uses arrays of antennas to control the RF radiation pattern. When receiving a signal, beamforming can increase the gain in the direction of desired signal and decrease the gains in the directions ... model having a flat mainlobe and a flat sidelobe is developed. The width of the mainlobe and the height of the sidelobe are calculated based on the first moment a...

Ngày tải lên: 21/06/2014, 19:20

... evaluation illustrates the performance in terms of precision and recall. The BioCreAtIvE corpus, named here B, contains 244 4 entries, each of them containing, among other fields, a passage, as well ... the words has an impact on the performance of the method with an optimal setup based on the passage for the evaluation. The optimal probabilistic model was u...

Ngày tải lên: 21/06/2014, 22:20

... be analyzed. In order to evaluate advantages and/or disadvantages of the two methods, the maximum amplitude at the center of appearance of the synthetic data component was gradually decreased ... 20 04. [10] M. Samonas, M. Petrou, and A. A. Loannides, “Identification and elimination of cardiac contribution in single-trial magne- toencephalographic signals,” IEEE Transactio...

Ngày tải lên: 22/06/2014, 01:20

... speech was synthesized to give extraordinary in- formation. Better performance for the synthetic face than the natural face can also be a case of a hyperrealism. The anima- tion might have added additional ... that of a natural talker. For C r v , the value should be read as the visual contribution of the synthetic face compared to the natural face independentl...

Ngày tải lên: 22/06/2014, 22:20

... space dimension n, and nonstationarity on the performance of fast CPAST was investigated. The simulation results showed good per- formance of fast CPAST with low SNR and nonstationary environment. References [1] ... simulations to demonstrate the applicability and performance of the fast CPAST algorithm and to compare the performance of fast CPAST with other subspace...

Ngày tải lên: 21/06/2014, 22:20

... implementation infeasible. A number of solutions for this situation appeared (see a detailed discussion later). All of them are based on a message PDF approximation done by a proper parameterization of ... consequence of the phenomenon that the KLT analysis of the message leads to the har- monic functions. The harmonic functions based linear basis optimizes th...

Ngày tải lên: 21/06/2014, 07:20

... one-to-one communications gain relevance in many application areas. In this paper, we present an in-depth, experimental study on the impact of LQI-based routing metrics on the performance of a one-to-one ... under the assumption of a minimum data transmis- sion rate for each node to allow for a link quality estimation [5]. 4. 5. MultiHopLQI. One of...

Ngày tải lên: 21/06/2014, 11:20

... cluster types and site-to-site distances on the spectral efficiency, the area and shape of the cooperation regions, the coverage, and the capacity of the BSC network. By understanding the impact of BSC on ... pages doi:10. 1155 /2010 /40 6 749 Research Article Impact of Base Station Cooperation on Cell Planning Ian Dexter Garcia, 1 Naoki Kusashima, 1 Kei Saka...

Ngày tải lên: 21/06/2014, 17:20