Sustainable Wireless Sensor Networks Part 2 ppt

... P. (20 07). Performance evaluation of ns -2 simulator for wireless sensor networks. 0840-7789/07 20 07 IEEE, [18] Söderlund, R. (20 06). Energy efficient authentication in wireless sensor networks. ... distributed sensor networks, ” in Proc. CCS’ 02. New York, NY, USA: ACM Press, 20 02, pp. 41–47. [29 ] Perrig, A., Stankovic, J., & Wagner, D. (20 04). Security in wire...

Ngày tải lên: 05/03/2014, 23:20

... 180 20 0 22 0 24 0 26 0 28 0 0 10 20 30 40 50 60 70 80 90 100 Sensing range of senor nodes (units) Percentage of detected events 25 % (FED) 25 % [27 ] 15% (FED) 15% [27 ] 120 140 160 180 20 0 22 0 0 10 20 30 40 50 60 70 80 90 100 Sensing ... December 20 11 DOI : 10.5 121 /ijwmn .20 11.3603 29 FED: F UZZY E VENT D ETECTION MODEL FOR WIRELESS SENSOR NETWORKS H...

Ngày tải lên: 30/03/2014, 16:20

... (Akyildiz et al., 20 02) . Wireless Sensor Network Design issues are mentioned in (Akkaya et al., 20 05), (Akyildizet al., 20 02) , (SensorSim; Tossim, Younis et al., 20 04), (Pan et al., 20 03) and different ... Interconnection Networks 3(3-4): 21 3 22 9. [8] Cardei, M., Thai, M., Li, Y. & Wu, W. [20 05]. Energy-efficient target coverage in wireless sensor networks, INF...

Ngày tải lên: 30/03/2014, 20:20

... Modelling Framework for Energy Harvesting Aware Wireless Sensor Networks 19 DEHAR DD Time (h) % of full charge DD DEHAR 0 24 48 72 96 120 144 168 1 92 216 24 0 99.75 99.80 99.85 99.90 99.95 100.00 (a) ... selection strategies for wireless sensor networks, Mob. Netw. Appl. 13(3-4): 28 5 29 6. Voigt, T., Dunkels, A., Alonso, J., Ritter, H. & Schiller, J. (20 04). Solar-aware...

Ngày tải lên: 19/06/2014, 08:20

... non-production. The 20 -20 - 20 Climate and Energy Package has modified the Emission Trading Scheme through the Directive 20 09 /29 /EC and it will enter into force from 20 13 to 20 20, in order to overcome ... action to “green” Europe is the so-called 20 -20 -20 climate and energy package. The 20 -20 -20 Package, introduced in 20 08 through the Communication (COM (20 08)30), answe...

Ngày tải lên: 19/06/2014, 08:20

... and F. Gini (20 00), we can find the conditional Fisher’s information matrix. 2 22 222 2 0 22 2 2 222 2 ( 1) (2 1) ( 1) ( 1) () 3 (1) ( ) () 0 () (1) 0 IQ Q I NNN IA Q NNA QA I NNA NN N NN NN NN ... MCB I EI θ θ ⎧⎫ ⎪⎪ ≤ ⎨⎬ ⎪⎪ ⎩⎭ θ θ θ θ . (58) Now, from example 5 .2 in the MCRB subsection, the MCB of the joint estimated frequency offset is 2 222 22 22 ( 31 () 2 (...

Ngày tải lên: 19/06/2014, 19:20

... − − ⎣ ⎦ ∑∑ (11) where { } {}{} () 2 0 22 22 2 kk N sDu sn kkN Err J f T Er Er σπ ρ σσ ∗ + + == + () 1 2 1 log 1 L k c θ θ ρ + − = =− − ∑ ()( ) 2 222 2 1 sn c ρ ρ σσ = −+ () 1 1 L kk N k rr θ θ λθ + − ∗ + = = ∑ ... 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 NSNR ε λε σ ≤ = =−+ = ⋅ and () ( ) ( ) 24 2...

Ngày tải lên: 19/06/2014, 19:20

... s g,w |A g  = 1 2 erfc ⎛ ⎝  A g (s g,u −s g,w ) 2 4σ 2 υ ⎞ ⎠ = 1 π  π /2 0 exp  −  A g (s g,u −s g,w ) 2 4σ 2 υ sin 2 φ  dφ. (27 ) Now, defining the random variable d 2 g,uw  A g (s g,u −s g,w ) 2 , ... be expressed as P  s g,u → s g,w  = 1 π  π /2 0  +∞ −∞ e −x/4σ 2 v sin 2 φ p d 2 g,uw (x) dx dφ = 1 π  π /2 0 M d 2 g,uw  − 1 4σ 2 υ sin 2 φ ...

Ngày tải lên: 19/06/2014, 19:20

... ρ L m m ) , (19) 1 32 Recent 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 3 6 9 12 15 18 10 2 10 3 10 4 10 5 x10 4 ... optimization of ofdm wireless networks - part ii: Algorithm development, IEEE Transactions on Wireless Communications 4 (2) : 625 –634. Tao, M., L iang, Y. C...

Ngày tải lên: 19/06/2014, 19:20

... in Wireless Communications and Networks 24 0 j 2 j j 1 x y = = 1 2 2 22 j j j j D D j j 1 x y = = 1 2 22 32 j j j j D D j 2 (a)(b) j 2 j x y = = 1 2 2 3 j j j j D D j 1 j 2 j x y = = 1 2 5 25 j j j j D D j 1 (c)(d) ... 0 9.65 2. 00 20 .73 329 .85 794.50 24 0.87 10 7 .25 1.15 15.93 30 .20 46.36 153.51 20 5.85 2. 31 39.48 19.90 22 .54 113 .26 30 5.15 1.15...

Ngày tải lên: 19/06/2014, 19:20