Báo cáo hóa học: " Research Article Evaluating IEEE 802 15 4 for Cyber-Physical Systems" potx

... Wireless Communications and Networking Volume 2011, Article ID 596397, 14 pages doi:10. 1155 /2011/596397 Research Article Evaluating IEEE 802. 15. 4 for Cyber-Physical Systems Feng Xia, 1 Alexey Vinel, 2, ... of the results to provide insights for adapting IEEE 802. 15. 4 for CPS. By analyzing the results, we can configure and optimize the parameters of IEEE 80...

Ngày tải lên: 21/06/2014, 05:20

... Engelstad Malone Bianchi 64 kb/s Vo 36.57% 89.63% 89.09% N/A BK 43 .23% 53.50% 1 14. 04% N/A 1000 kb/s Vo 14. 52% 18.08% 42 .99% N/A BK 8. 74% 21.99% 88.53% N/A 0.1 0.2 0.3 0 .4 0.5 0.6 0 5000 10000 Offered ... standard values of the EDCA parameters for IEEE 802. 11 HR/DSSS (known as 802. 11b) [1]. Furthermore, for 802. 11b the standard defines N C = 4, M equal to 4 or 7 (depe...

Ngày tải lên: 21/06/2014, 11:20

... Con- ference on Image and Graphics, pp. 43 0 44 3, Hong Kong, December 20 04. [ 14] S. Sinclair and G. G. S. Pegram, “Empirical mode decompo- sition in 2-D space and time: a tool for space-time rainfall analysis ... Corporation EURASIP Journal on Advances in Signal Processing Volume 2008, Article ID 861701, 7 pages doi:10. 1155 /2008/861701 Research Article Evaluating Pavement Cra...

Ngày tải lên: 21/06/2014, 22:20

... “System design issues and perfor- mance evaluations for adaptive modulation in new wireless access systems,” Proceedings of the IEEE, vol. 95, no. 12, pp. 245 6– 247 1, 2007. [4] Q. Liu, S. Zhou, and ... over wireless links,” IEEE Transactions on Wireless Communications, vol. 3, no. 5, pp. 1 746 –1755, 20 04. [5] J. M. Peha, “Approaches to spectrum sharing,” IEEE Commu- nications Ma...

Ngày tải lên: 21/06/2014, 11:20

... 16.35 16 .40 (3) Moving away at 1 m/s, starting from the AP/BS 11.83 12.76 20.99 24. 94 25.01 (4) Near the AP/BS for half simulation, then 30 m far (instantaneously) 10. 04 12.61 14. 44 18 .43 21.03 The ... layer in the 5 GHz band”. [12] IEEE Std 802. 16e-2005 and IEEE Std 802. 16-20 04/ Cor1-2005, IEEE Standard for Local and metropolitan area networks Part 16: Air Interface...

Ngày tải lên: 21/06/2014, 22:20

... Delaval and ´ E. Rutten 15 Table 1 Nb of tasks 1 ··· 10 ··· 15 ··· 20 Synthesis time 0.01 s ··· 0. 34 s ··· 4. 09 s ··· 4. 74 s Nb of tasks ··· 23 24 25 26 27 28 Synthesis time ··· 4. 80 s 53 min · 50 ... Corporation EURASIP Journal on Embedded Systems Volume 2007, Article ID 841 92, 17 pages doi:10. 1155 /2007/ 841 92 Research Article A Domain-Specific Language for Multitask...

Ngày tải lên: 22/06/2014, 19:20

... overheads 24 bytes Transmission time for TB 744 μs Tx time for null frame 46 4 μs Tx time for polling frame 46 4μs Tx time for CF end frame 352 μs CFP contention-free period 15 19 ms SIFS interval 10 μs Slot ... Networking Volume 2008, Article ID 218076, 8 pages doi:10. 1155 /2008/218076 Research Article Modified Isochronous Coordination Function for Enhancement of VoIP Cal...

Ngày tải lên: 22/06/2014, 19:20

... have    ∇ 2 ut    L 4  ∇vt  L 4    ∇ 4 vt    L 2 ≤ C  ∇ut  1/2 L ∞    ∇ 3 ut    1/2 L 2  ∇vt  3 /4 L 2    ∇ 4 vt    5 /4 L 2 ≤ 1 4    ∇ 4 vt    2 L 2  C  ∇ut  4/ 3 L ∞    ∇ 3 ut    4/ 3 L 2  ∇vt  2 L 2 ≤ 1 4    ∇ 4 vt    2 L 2  ... C  ∇ut  L ∞  ∇ut  1/2 L 2    ∇ 3 ut    3/2 L 2 ...

Ngày tải lên: 21/06/2014, 05:20

... 1  t  24p 2 − 144 p  48 . 2.38 g 4  1   24  7 −11p − 24p 2   24  7 − 11 π − 24 π 2  > 0, lim t →∞ g   t   −∞, 2.39 g 5  t   −720p 2 t − 240 p 2 − 120p  120, 2 .40  g 5  1   ... λ 4 > 1suchthat g 4 t > 0fort ∈ 1,λ 4  and g 4 t < 0fort ∈ λ 4 , ∞, and hence g  t is strictly increasing in 1,λ 4  and strictly decreasin...

Ngày tải lên: 21/06/2014, 05:20

... 2011, Article ID 541 283, 9 pages doi:10. 1155 /2011/ 541 283 Research Article A Salient Missing Link in RFID Securit y Protocols Imran Erguler, 1, 2 Emin Anarim, 2 and Gokay Saldamli 3 1 National Research ... Electronics and Cryptology, TUBITAK, 41 470 Kocaeli, Turkey 2 EE Department, Bogazici University, 343 42 Istanbul, Turkey 3 MIS Department, Bogazici University, 343 42 Istanbul...

Ngày tải lên: 21/06/2014, 05:20