... Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 42 Chương 5 GIAO THỨC ðIỀU KHIỂN TRUY CẬP TRONG MẠNG WIRELESS SENSOR NETWORKS Mạng ... TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 41 Hình 4.8: Mô hình giao thức ZigBee. Ưu ñiểm của ZigBee/IEEE802. 15. 4 với Bl...
Ngày tải lên: 21/01/2014, 04:20
... for wireless sensor networks, ” Comput. Netw. J., vol. 45, no. 3, pp. 2 45 261, Jun. 2004. [12] C. Y. Wan, A. T. Campbell, and L. Krishnamurthy, “PSFQ: a reliable transport protocol for wireless sensor ... resource management for wireless communication networks. ” IEEE/ACM TRANSACTIONS ON NETWORKING, VOL. 13, NO. 5, OCTOBER 20 05 1003 Event-to-Sink Reliable Transport in Wireles...
Ngày tải lên: 16/03/2014, 19:20
Sustainable Growth and Applications in Renewable Energy Sources Part 5 doc
... 19 20 19 18 19 18 17 16 15 14 13 13 13 11 11 10 9 8 9 8 8 7 6 7 6 5 5 5 4 4 4 5 4 5 4 5 5 4 4 4 12 13 15 16 17 18 19 20 23 20 23 25 26 30 32 38 39 40 36 42 38 36 39 37 39 40 40 42 44 44 44 45 42 41 39 41 44 50 53 53 31 33 34 34 35 36 37 36 38 34 36 38 39 41 43 48 48 49 45 50 46 43 45 44 46 45 45 47 48 48 48 50 47 45 43 46 49 54 57 57 0 5 10 15 20 2...
Ngày tải lên: 19/06/2014, 08:20
Recent Advances in Wireless Communications and Networks Part 2 doc
... time-varying multipath channels, IEEE Transaction on Signal Processing, Vol .53 , No.12, (December 20 05) , pp. 452 6- 453 5 Manolakis, K., Gutierrez Estevez, D. M., Jungnickel, J., Xu, W. & Drewes, ... (23) where () ( ) () () () 2 2 ,0 0 .5 0 ˆ ˆ sin max 2 1 .5 ˆ sin p nc p dd dd N g NSNR NddN ε πε λ σ πε ≤ ≠ −+ =⋅ −+ () () 2 2 ,1 0 .5 0 ˆ ˆ max 2 0 .5 p nc p dd N g dd g...
Ngày tải lên: 19/06/2014, 19:20
Recent Advances in Wireless Communications and Networks Part 3 doc
... , 5 X , 6 X and 7 X are listed in Table 2. T n p T n X 3 4 1234 3214 3 3412 xxxx xx x x xxxx −−− ⎡ ⎤ ⎢ ⎥ =− ⎢ ⎥ ⎢ ⎥ − ⎣ ⎦ X 5 8 123 456 78 21 43 65 8 7 34 1 2 7 85 6 5 4321 87 65 56 ... x xxxx xx x x −−− ⎡ ⎤ ⎢ ⎥ − ⎢ ⎥ = ⎢ ⎥ − ⎢ ⎥ ⎣ ⎦ X 8 8 123 456 78 21 43 65 8 7 34 1 2 7 85 6 4321 87 65 8 56 7 8 1 2 3 4 658 7214 3 7 856 3 412 87 6 54 3 21 xxxxxxxx xx xx xx x x xx x...
Ngày tải lên: 19/06/2014, 19:20
Recent Advances in Wireless Communications and Networks Part 5 pptx
... Transactions on Information Theory 45( 5): 1 456 –1467. Telatar, E. (1999). Capacity of Multi-antenna Gaussian Channels, European Transactions on Telecommunications 10(6): 58 5 59 5. van Zelst, A. & Hammerschmidt, ... Will-be-set-by-IN-TECH 0 5 10 15 20 10 −6 10 −4 10 −2 10 0 E b /N 0 (dB) BER Spatial Division Multiplex 0 5 10 15 20 10 −6 10 −4 10 −2 10 0 Cyclic Delay Diversity E...
Ngày tải lên: 19/06/2014, 19:20
Recent Advances in Wireless Communications and Networks Part 6 docx
... 11 − 25 −20 − 15 −10 5 0.1 0.2 0.3 0.4 0 .5 0.6 0.7 0.8 0.9 1 SNR, dB P D Nr = 1 L = 100 Nr = 4 L = 25 (ρ = 0) Nr = 4 L = 25 (ρ = 0.3) Nr = 4 L = 25 (ρ = 0.6) Nr = 4 L = 25 (ρ = 0. 95) Fig. 5. ... shown below. 146 Recent Advances in Wireless Communications and Networks Primary User Detection in Multi-Antenna Cognitive Radio 15 −20 − 15 −10 5 0 5 10 15 20 10 −2 10 −1 10...
Ngày tải lên: 19/06/2014, 19:20
Recent Advances in Wireless Communications and Networks Part 11 docx
... (motesim) 50 . SNetSim 51 . WISENES (WIreless SEnsor NEtwork Simulator) 52 . JiST/SWANS++ 53 . SensorMaker 54 . WSNet-Worldsens and WSim 55 . Avrora 56 . TRMSim-WSN 57 . LSU SensorSimulator 58 . Sidh 59 . PAWiS ... Tutornet: A Tiered Wireless Sensor Network Testbed 44. CENSE (A Century of Sensor nodes) 45. Intel Research Berkeley’s 150 - mote SensorNet Testbed 46. W...
Ngày tải lên: 19/06/2014, 19:20
Recent Advances in Wireless Communications and Networks Part 14 docx
... Coilcraft DO3340P-104 2 ,5 2 ,5 220 12,9x9,4x11,4 Open Coilcraft DO5040H-684 2 2 780 18,5x 15, 2x12,0 Open Pulse PF 050 4.104NL 2 ,5 2 ,5 153 18,5x 15, 2x11,4 Table 3. Comparison between inductor technologies ... SRR1240-470M 2 2 1 35 12,5x12,5x4,0 Close Vishay IHLP-4040DZ-11 0 ,5 0 ,5 270 11,3x11,5x4,0 Close Coilcraft MSS1246T-104 1,84 1,84 210 12,3x12,3x4,8 Open Coilcraft DO334...
Ngày tải lên: 19/06/2014, 19:20
Advanced Trends in Wireless Communications Part 5 docx
... Block Transmission Systems in Wireless Communications 163 1 2 3 4 5 0.2 35 0.667 1 0 1 2 3 -30 -10 10 1 1 .5 2 2 .5 3 0.707 1 0 1 2 3 -30 -10 10 1 1 .5 2 2 .5 3 -0 .5 0 .5 1 0 1 2 3 -30 -10 10 mplitude p litude ... [ ] 0.2 35 0.667 1 0.667 0.2 35 [ ] 0.166 0.472 0.707 0.472 0.166 1.4143 [ ] 0.707 1 0.707 [ ] 0 .5 0.707 0 .5 1.4141 [ ] 0 .5 1 0 .5 [ ] 0.408 0.816...
Ngày tải lên: 19/06/2014, 23:20