Báo cáo hóa học: " Adaptive collision resolution for efficient RFID tag identification" doc

... protocol for RFID tag collision arbitration. IEEE Trans Multimedia 8, 1096–1101 (2006) 25. J Myung, W Lee, J Srivastava, TK Shih, Tag- splitting: adaptive collision arbitration protocols for RFID tag ... novel anti -collision protocol, i.e., k-TAS, for identifying passive tags in which an adaptive collision resolution scheme is adopted to make whole tag identific...

Ngày tải lên: 20/06/2014, 22:20

... ataxia progressively impairs force adaptation during goal-directed arm movements. J Neurophysiol 2004, 91:230-238. 28. Patton JL, Mussa-Ivaldi FA: Robot-assisted adaptive training: custom force fields for teaching ... lateral deviation) in movements where force is turned on (force trials) and where force is turned off (catch trials). If adaptation had occurred, the execution error observe...

Ngày tải lên: 19/06/2014, 08:20

... size. The performance of random access for BR was analyzed in [29-31]. Oh and Kim [32] optimized the collision resolution algorithm for BR. However, they cannot elim- inate the collisions caused ... we perform mathematical analysis for the PA from following viewpoin ts: connection-level QoS performance, queuing performance, and BR efficiency enhancement. 4.1 Connection-level QoS per...

Ngày tải lên: 21/06/2014, 00:20

... severity of deformity, spine flexibility, patient's age, type of deformity, and combined other deformities. Severe scoliosis is more difficult to treat than usual ones. As the spine deformity ... osteotomy site should be performed for canal decompression. Abnormities in spinal canal (bony crista or septation) or spinal stenosis should be managed before osteotomy and deformity correctio...

Ngày tải lên: 20/06/2014, 01:20

... the example-based super -resolution, we utilized this method in the experiment. Furthermore, the method [27] is also a representative method which utilizes KPCA for performing the super -resolution, and ... Chen, Adaptive Markov random fields for example-based super -resolution of faces. EURASIP J. Appl. Signal Process. 2006, 225–225 (2006) 14. Q Wang, X Tang, H Shum, Patch based blind...

Ngày tải lên: 20/06/2014, 04:20

... algorithm performs better than the antenna grouping and the transmit beamforming methods in various channel conditions. Endnote a In this article, the beamforming mode refers to the transmit beamforming ... 256-QAM in the beamforming mode. In the high SNR region, the M1 algor ithm has the best BER perfor- mance, and the others have similar performance. The pro- posed algorithm (M5) has perfor...

Ngày tải lên: 20/06/2014, 22:20

... performance. 7. Conclusion In this paper, an adaptive FIC RR-WF channel estima- tion algorithm is proposed for the MB-OFDM UWB communication systems. This RR-WF-based algorithm employs an adaptive ... without affecting system bit-error-rate (BER) performa nce. To emphasize th e importance of the use of an adaptive R R- WF scheme, both the MSE and the BER performances are evaluated and...

Ngày tải lên: 20/06/2014, 22:20

... performance. 7. Conclusion In this paper, an adaptive FIC RR-WF channel estima- tion algorithm is proposed for the MB-OFDM UWB communication systems. This RR-WF-based algorithm employs an adaptive ... 12 RESEARC H Open Access Adaptive low-rank channel estimation for multi- band OFDM ultra-wideband communications Chia-Chang Hu * and Shih-Chang Lee Abstract In this paper, an adaptive...

Ngày tải lên: 21/06/2014, 00:20

... resort to a simple stochastic gradient method for updating the beamformers. 4.1 Stochastic gradient algorithm for beamformer update The algorithm for the beamformer update is a generali- zati on of ... performance requireme nt in order to guar- antee that the actual performance of the selected sub- set meets the requirement with minimum number of selected antenna. Performance of adapti...

Ngày tải lên: 21/06/2014, 01:20

... more serious for thicker resist [13]. Note that even thinner resist was used for most previous high resolution studies on HSQ and calixarene resists. For 30-nm polystyrene, the forward scattering ... is generally used for high resolution patterning in to reduce the effect of capillary force during resist drying, which leads to pattern collapse (unless using critical point drying [...

Ngày tải lên: 21/06/2014, 02:20