Advanced Trends in Wireless Communications Part 1 pptx

... February, 2 011 Printed in India A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Advanced Trends in Wireless Communications, ... 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 −...

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... Applications 39 Fig. 19 a. IF-Rx spectrum without noise Fig. 19 b. IF-Rx spectrum with noise 4 6 8 10 12 14 16 18 20 10 -8 10 -7 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 10 0 SNR (dB) BER DBPSK ... γ in (1) may be obtained by taking the inverse Laplace transform of M γ (s),i.e. f γ (γ)=L 1 {M γ (s); s; γ} (27) 56 Advanced Trends in Wireless Commun...

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... as P s (e)= Γ  2 ∑ L i =1 μ i + b  2Γ( b)Γ(2 ∑ L i =1 μ i + 1) M γ (a)F (2L) D  b 1, μ 1 , ···μ L , μ 1 , ···μ L ;2 L ∑ i =1 μ i + 1; 1 1 + aA 1 , ···, 1 1 + aA L , 1 1 + aB 1 , ···, 1 1 + aB L  (50) As it can easily ... pp .13 17 -13 34, doi: 10 .11 75/2008jamc2 014 .1. Zinevich, A.; Messer, H. & Alpert, P. (2 010 ). Prediction of rainfall intensity measur...

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... 010 1, 10 10, 11 11} for Scenario 1 • C = {0000, 011 1, 10 11, 11 00} for Scenario 2 • C = {0000, 011 1, 10 10, 11 01} for Scenario 3 • C = {0000, 010 1, 10 11, 11 10} for Scenario 4 Detection at the destination ... distributed codeword that has most probably 12 4 Advanced Trends in Wireless Communications Advanced Trends in Wireless Communications 11 4 An a...

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... 0 0 1 1 0 1 1 1 0 1 1 0 1 1 1 0 1 1 0 (b) Decoding errors over the S 1 − R link b S 1 b S 2 b S 1 ⊕b S 2 ˆ b S 1 ˆ b S 2 b R 0 0 0 1 0 1 0 1 1 1 1 0 1 0 1 0 0 0 1 1 0 0 1 1 (c) Decoding errors ... time-slots 13 4 Advanced Trends in Wireless Communications Diversity and Decoding in Non-Ideal Conditions 14 5 () () () () () () () () () ()...

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... 8 10 12 14 16 10 -30 10 -25 10 -20 10 -15 10 -10 10 -5 10 0 Signal to Noise Ratio dB Probability of Error Pe m =1 m=2 m=4 m=8 0 2 4 6 8 10 12 14 16 10 -14 10 -12 10 -10 10 -8 10 -6 10 -4 10 -2 10 0 Signal ... Advanced Trends in Wireless Communications 17 0 0 2 4 6 8 10 12 14 16 10 -14 10 -12 10 -10 10 -8 10 -6 1...

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... MIMO σ MCR τ (μ s) 2. 21 2 .11 2 .19 2.08 2. 21 2 .11 2 .17 2. 21 NPP (dB) 0 2. 01 1.37 4.02 0 2.79 1. 667 5 .16 FG (dB) 26.05 24.62 27.32 27. 41 28.02 27.47 30.46 30.67 SSR (dB) 4. 51 4.29 4.93 4.68 4.22 ... channel coefficients h 1 and h 2 can be recovered perfectly at the receiver, the received signal can be combined as follows, **22* * 11 122 1 211 122 ** * 2 2 * * 2 211...

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... Maps -90 -85 -80 -75 -70 -65 -60 -55 -50 10 000 10 500 11 000 11 500 12 000 Signal Level (dBm) Time (1/ 10 s) Estimated Signal Level, +/- 1 Interval Measured Signal Level (a) 1 1. 5 2 2.5 3 10 000 10 500 11 000 11 500 12 000 Path ... Systems 10 15 20 25 30 10 −4 10 −3 10 −2 10 1 10 0 SNR (dB) BER 5 Users 10 Users 15 Users (a) Simple-TR 10 15 20 25 30 1...

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... FtFFt FFFtF Ft PF F F t F t F F t Ft FtF FttFFtt Ft F Ft t Ft t 1 1 12 TUTUZU UTU T U UTZ Z U T TUTU TU UZU U 01 10 1 011 01 11 1 ττ τ ττ τ ττ τ =−−Δ+−Δ+ ⎡⎤ ⎣⎦ −Δ+−Δ+ ⎡⎤ ⎡ ⎤ ⎣⎦ ⎣ ⎦ ⎡ ⎤ Δ +− Δ ... (2000), The Infostations Challenge: Balancing Cost and Ubiquity in Delivering Wireless Data, IEEE Per. Commun., vol. 7, no. 2, pp. 66- 71, April 2000. Advanced Trends in Wir...

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... optical wireless communications system. SOPS: State of polarization system; OL: Local Oscillator: OPLL: Optical Phase lock loop 10 -17 10 -16 10 -15 10 -14 10 -13 10 -2 10 -1 10 0 10 1 C 2 n ... (April 2009) (11 07 -11 14), 0885-8993 Kahn, J.M. ; Barry, J.R. (19 97) Wireless Infrared Communications, Proceedings of the IEEE, Vol. 85, No. 2, (February 19 97...

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