Wireless Sensor Networks Part 1 ppt

... the HCRB can be checked. As mentioned previously, the HCRB is () 11 2 1 () 3( 1) ( 1 ) 1 2(2 1) ( 1) ( 1 ) 3 ( 1) 2 (1) D D RR RR R HCRB f If KKN NK K N NN K NN ρ ρρ π ⎡⎤ = ⎢⎥ ⎢⎥ ⎣⎦ +++ = −+++−− − , ... 2(2 1) ( 1) ( 1 ) 3 ( 1) () () (1) [ (1) 2( 21) ] RR R DD RR NK K N NN K CRB f HCRB f KNN NK ρ ρ ρ − +++−− = +++− ( 61) A Study of Cramér-Rao-Like Bound...

Ngày tải lên: 19/06/2014, 19:20

... No.3, June 2 012 DOI : 10 . 512 1/ijcses.2 012 .33 01 01 S ECURITY IN W IRELESS S ENSOR N ETWORKS – I MPROVING THE LEAP P ROTOCOL Delan Alsoufi 1 , Khaled Elleithy 1 , Tariq Abuzaghleh 2 ... R EFERENCES [1 ] Saraogi, M. (n.d.). Security in wireless sensor networks. University of Tennessee, [2] Burgner, D. E., & Wahsheh, L. A. (2 011 ). Security of...

Ngày tải lên: 05/03/2014, 23:20

... detected events 15 % (FED) 15 % [27] 25% (FED) 25% [27] International Journal of Wireless & Mobile Networks (IJWMN) Vol. 3, No. 6, December 2 011 DOI : 10 . 512 1/ijwmn.2 011 .3603 29 FED: ... 280 0 10 20 30 40 50 60 70 80 90 10 0 Sensing range of senor nodes (units) Percentage of detected events 25% (FED) 25% [27] 15 % (FED) 15 % [27] 12 0 14 0 16 0 18 0 200...

Ngày tải lên: 30/03/2014, 16:20

... wireless networks, ACM Wireless Networks 8(5). [13 ] Chong, C Y. & Kumar, S. [2003]. Sensor networks: evolution, opportunities, and challenges, Proceedings of the IEEE 91( 8): 12 47 12 56. [14 ] ... Self-Assembling Wireless Networks (SAWN) pp. 2 61 266. [6] Cardei, M. & Du, D Z. [2005]. Improving wireless sensor network lifetime through power aware organization,...

Ngày tải lên: 30/03/2014, 20:20

... Vol.3, No .12 , (Dec 2009), pp .19 07 -19 18, ISSN 17 51- 8628. Lo, T. K. Y. (19 99). Maximum Ratio Transmission. IEEE Transactions on Communications, Vol. 47, No. 10 , (Oct 19 99), pp .14 58 -14 61, ISSN ... ordering ML Fig. 14 . BER performance of 44 × V-BLAST systems using ZF-based V-BLAST algorithm with or without ordering 0 5 10 15 20 25 30 10 -5 10 -4 10 -3 10 -2...

Ngày tải lên: 19/06/2014, 19:20

... (OFDM symbols) BER 0 3 6 9 12 15 18 10 2 10 3 10 4 10 5 x10 4 (OFDM symbols) ML detection complexity 0 3 6 9 12 15 18 0 1 2 3 4 5 6 7 8 9 10 x10 4 (OFDM symbols) Rank/Q Q =1 Q=2 Q=4 Q=8 varQ Q(k) rank ... given by A m = E m 1 − ρ m ρ m (1 − ρ L m m ) , (19 ) 13 2 Recent Advances in Wireless Communications and Networks 20 Will-be-set-by-IN-TECH 0 3 6 9 12 15...

Ngày tải lên: 19/06/2014, 19:20

... 240.87 10 7.25 1. 15 15 .93 30.20 46.36 15 3. 51 20 5.85 2. 31 39.48 19 .90 22.54 11 3.26 30 5 .15 1. 15 22.42 14 .10 16 .29 11 5.53 40 4.35 1. 15 26.54 11 .80 12 .49 10 5.85 50 4.20 2.00 47.62 9.80 10 .58 10 7.99 ... ( ) () () () () () () () () () () () () () 2 () () 2 () () 2 2 2 2 11 1 21 11 1 11 1 11 1 21 11 1 1 . 11 11 HO HO HO HO k HO k Cb Cb Cb C...

Ngày tải lên: 19/06/2014, 19:20

... in Wireless Sensor Networks, Proceedings of Nordic Radio Symposium, Oulu, Finland. Ahvar, E. & Fathy, M. (2 010 ). BEAR: A Balanced Energy-Aware Routing Protocol for Wireless Sensor Networks. ... Networks. Wireless Sensor Network, Vol.2, pp. 793-800. Manjeshwar, A. & Agarwal, D.P. (20 01) . TEEN: a Routing Protocol for Enhanced Efficiency in Wireless Sensor Net...

Ngày tải lên: 19/06/2014, 19:20

... 200 Hz. Abut. 1 Abut. 2 Bent 1 Bent 2 Bent 3 N 16 .2 m 29 .0 m29 .0 m 15 .2 m 6 .1 m 6 .1 m Wireless network server Wireless accelerometer 1 23456789 10 11 12 13 14 15 16 17 18 19 20 Hammer location A A ... and wireless sensing systems Wireless Sensor Networks in Smart Structural Technologies 417 12 3 4 5 6 7 8 9 10 111 2 13 Abut. 1 Abut. 2 Be...

Ngày tải lên: 19/06/2014, 19:20

... as f γ (γ)= 2 √ πμ μ+ 1 2 h μ Γ(μ)H μ− 1 2 γ μ− 1 2 γ μ+ 1 2 exp  − 2μγh γ  I μ− 1 2  2μHγ γ  . (26) In Format 1, h =(2 + η 1 + η)/4 and H =(η 1 −η)/4 whereas in Format 2, h = 1/ (1 −η 2 ) and H = η/ (1 −η 2 ). ... obtained as f γ (γ)= μ (1 + κ) μ +1 2 κ μ 1 2 exp(μκ) γ μ 1 2 γ μ +1 2 exp  − μ (1 + κ)γ γ  I μ 1  2μ  κ (1 + κ)γ γ  (29) Using (Ermolova, 2008)...

Ngày tải lên: 19/06/2014, 23:20