Solution-Manual-Digital-Communications-4th-Edition-Proakis

Solution-Manual-Digital-Communications-4th-Edition-Proakis...

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Unformatted text preview: Corrections to Digital Communications, 4 th Edition 1. Page 31, Equation (2.1-54) First line: y l instead of y 2 Second line: g n instead of g 1 2. Page 163, Equation (4.2-30) ∞ should be: s(t) = a o /2 + Σ k=1 3. Page 163, Equation (4.2-31) T should be: a k = (2/T) ∫ s(t) cos 2 π kt/T dt , k> 0 0 T b k = (2/T) ∫ s(t) sin 2 π kt/T dt , k> 1 0 4. Page 178, 7 lines from the top should be: sqrt (2 ε ) instead of ε sqrt (2) 5. Page 238, Equation (5.1-19) should be: h(T-τ ) instead of h(t-τ ) 6. Page 238, two lines below Equation (5.1-20) should be: y 2 (T) instead of y 2 (t) n n 7. Page 244, Equation (5.1 & 45) should be: m = 1,2,¡M 8. Page 245, Equation (5.1-48) should be: : sqrt ( ε b ) instead of sqrt ( ε n ) 9. Page 309, Equation (5.4-39) R 1 sqrt (2 ε s /N ) instead of sqrt (2 ε s R 1 /N ) 10. Page 318, Equation (5.5-17) add the term: & (N ) dBW/Hz 11. Page 366, Equation (6.4-3) Replace + sign with & sign in the second term of the summation 12. Page 367, Equation (6.4-6) Replace + sign with & sign in the second term of the summation 13. Page 367, Equations (6.4-8) and (6.4-9) add the subscript L to the log-likelihood function 14. Page 422, lines 2 and 3 above Equation (8.1-14) delete the phrase ¡no more than¢ 15. Page 468, 12 lines from the top and 5 lines from the bottom should be: b < instead of b < 16. Page 491, Figure 8.2-15 solid line corresponds to soft-decision decoding broken line corresponds to hard-decision decoding 17. Page 500, Equation (8.2-41) In the denominator, M k should be M j and M j should be M J 18. Page 591, Figure P9.9 The lower shaping filter in the modulator and demodulator, q(t) should have a ¡hat¢ on it 19. Page 609, 6 lines above Equation (10.1-34) ε k+1& L-1 should be ε k+ l & L-1 20. Page 646, Figure 10.3-5 delete the ¡hat¢ from I(z) 21. Page 651, 4 lines from the top replace ¡over¢ with ¡about¢ 22. Page 651, 2 lines above Section 10.6 ¡Turob¢ should be ¡Turbo¢ 23. Page 673, Figure 11.1-6 Lower delay line elements: z 1 should be z-1 24. Page 750, Figure 13.2-8 Replace ¡adders¢ with ¡multipliers¢ 25. Page 752, Figure 13.2-9 Replace ¡adders¢ with multipliers¢ 26. Page 856, Equation (14.6-5) Replace K with k 27. Page 885, Figure 14.7-7 The ¡Input¢ should be 02310 28. Page 894, Problem 14.16 r 1 = h 1 s 1 + h 2 s 2 + n 1 r 2 = h 1 s 2 * + h 2 s 1 * + n 2 29. Page 895 Delete 2 k from the expression on the error probability 30. Page 915, top of page (15.47) should be (15.3-47) 31. Page 925, 6 lines form top T should be T p 32. Page 935 a) top of page: r 1 = b 1 sqrt( ε 1 ) + b 2 ρ sqrt ( ε 2 ) + n 1 r 2 = b 1 ρ sqrt( ε 1 ) + b 2 sqrt ( ε 2 ) + n 2 b) Problem 15.8, last equation delete factor of l/2 c) Problem 15.9, first equation delete comma after b 2 =1 33. Page 936, first equation at top of page, second term should be: l n cosh { [ r 2 sqrt ( ε 2 ) & b 1 ρ sqrt ( ε 1 ε 2 ) ]/ N } 34. Page 936, second equation from top of page divide each of the arguments in the cosh function by N...
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This note was uploaded on 02/23/2012 for the course ECONOMICS 101 taught by Professor Marie during the Spring '12 term at Anna University Chennai - Regional Office, Coimbatore.

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Solution-Manual-Digital-Communications-4th-Edition-Proakis...

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