Smart Wireless Sensor Networks Part 10 pptx

... Protocols, Wireless Sensor Network (WSN), LEAP protocol, Security, compromised nodes 1. I NTRODUCTION Wireless technology has propagated the use of sensor networks in many applications. Sensor networks ... the sensors are used for or where it is situated. The types of topologies used for sensor networks include star, mesh, star-mesh etc. [2] In Wireless sensor net...

Ngày tải lên: 05/03/2014, 23:20

... algorithm for wireless sensor networks, ” International Journal of Wireless & Mobile Networks (IJWMN), vol.2, no.3, August 2 010. International Journal of Wireless & Mobile Networks (IJWMN) ... European Workshop on Wireless SensorNetworks (EWSN 2004), Jan. 2004. [30] S. Soro and W. B. Heinzelman, “Cluster head election techniques for coverage preservation in wirel...

Ngày tải lên: 30/03/2014, 16:20

... sensor networks, In Ad Hoc and Sensor Networks, Wireless Networks and Mobile Computing . [5] Brinza, D. & Zelikovsky, A. [2006]. Deeps: Deterministic energy-efficient protocol for sensor networks, ... time, the research on wireless sensor networks have considered homogeneous sensor nodes. But nowadays researchers have focused on heterogeneous sensor networks wher...

Ngày tải lên: 30/03/2014, 20:20

... communication networks. Chapter 9 covers a novel technique on joint call admission control in integrated wireless local area networks (WLAN) and cellular networks. Chapter 10 is devoted to ... heterogeneous wireless networks for next-generation multimedia communication networks. Chapter 12 studies the use of a stream control transmission protocol (SCTP) in wireless communica...

Ngày tải lên: 19/06/2014, 19:20

... 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 b /N 0 (dB) BER 0 5 10 15 20 10 −6 10 −4 10 −2 10 0 Space−Time ... Advances in Wireless Communications and Networks 20 Will-be-set-by-IN-TECH 0 3 6 9 12 15 18 10 −5 10 −4 10 −3 10 −2 x10 4 (OFDM symbols) BER 0...

Ngày tải lên: 19/06/2014, 19:20

... Rate (Tx/slot) F in n =10 F in n=20 F in n=30 F in n=40 1/S in n =10 1/S in n=20 1/S in n=30 1/S in n=40 (b) Dependence of F on τ. 0 2x10 7 4x10 7 6x10 7 8x10 7 1x10 8 0 0.01 0.02 0.03 ... n=20 F bw_bs in n=30 F bw_bs in n=40 1/S bw in n =10 1/S bw in n=20 1/S bw in n=30 1/S bw in n=40 0 1x10 -3 2x10 -3 3x10 -3 4x10 -3 5x10 -3 0 0.05 0.1 0.15 0.2 BW Request Arrival Rate at ......

Ngày tải lên: 19/06/2014, 19:20

... TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 37 IEEE Standard ðặc tính 802.11 802.15/Bluetooth 802.15.4/ZigBee Khoảng cách ~100 m ~10 – 100 m ~10m Tốc ... Học Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 4 Chương 5: GIAO THỨC ðIỀU KHIỂN TRUY CẬP TRONG MẠNG WIRELESS SENSOR NETW...

Ngày tải lên: 25/04/2013, 19:19

... 0 2 4 6 0 10 20 30 40 50 60 70 80 90 100 SINR (dB) With 2 jammers −4 −2 0 2 4 6 0 10 20 30 40 50 60 70 80 90 100 SINR (dB) With 3 jammers −4 −2 0 2 4 6 0 10 20 30 40 50 60 70 80 90 100 SNR (dB) Without ... the new SNR at node r i by: SNR(r i ) dB = RSS(r i ,s i ,P si ) dBm − 10 log 10  10 RSS(r i ,s 0 ,P 0 ) 10 +10 N ri +I ri 10  (5) PRR(s i ,r i )=PRR ri (SNR(r i )...

Ngày tải lên: 01/09/2013, 15:23

... to delete any views that were set up to display options that you’re deleting (Figure 9 .10) . Figure 9 .10 You’re prompted to delete views associated with options you’re deleting. Click ... WITH DESIGN OPTIONS 9. Finish editing the options by clicking the Edit Option button. 10. Choose Option 2 from the Edit Option drop-down menu. 11. Create the open floor plan show...

Ngày tải lên: 10/12/2013, 13:16

... Write your answers in boxes 10 -12 on your Answer Sheet. Example: The combustion engine was designed over 100 years ago. 9 42 / 45 9 Check 11-13-15 e s 34-36 43 9 Q10. The increased speed of traffic ... Section (vi) Q7. Section (iv) Example: Section (vii) (? Questions 10- 12 You are advised to spend about 7 minutes on Questions 10 -12. Refer to Reading Passage 1, and look at the statem...

Ngày tải lên: 13/12/2013, 19:15