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23. References, Journals, websites and E-links: TEXT BOOKS 1. Principles Of Communication Systems-Herberet Taub, Donald L Schiling, Goutham saha,3rf edition, Mc Graw Hill 2008.\ 2. Digital and anolog communiation systems- Sam Shanmugam, John Wiley,2005. 3. Digital communications- John g. Prokaris, Masoud salehi-5 th edition Mc Graw-Hill, 2008. 4. Digital communications- Simon Haykin, Jon Wiley, 2005 Websites:- 1. http://en.wikipedia.org/wiki/digital_communications 2. http://www.tmworld.com/archive/2011/20110801.php 3. www.pemuk.com 4. www.site.uottawa.com 5. www.tews.elektronik.com Journals:- 1. Communicaions Journal 2. Omega online technical reference 3. Review of Scientific techniques REFERNCES: 1. Digital communications- John g. Prokaris, Masoud salehi-5 th edition Mc Graw-Hill, 2008. 2. Digital communication- Simon Haykin, Jon Wiley, 2005. 3. Digital communications-Lan A.Glover, Peter M.Grant.2 nd edition, pearson edu., 2008. 4. Communication systems-B.P.Lathi, BS Publication, 2006. 24. QualityControl Sheets
25. STUDENTS LIST B.TECH III YEAR II SEMESTER: SECTION-D: S.No Roll number Student Name 1 13R11A04F5 A RAMA THEJA 2 13R11A04F7 ANUGU PRASHANTH 3 13R11A04F8 ARACHANA DASH 4 13R11A04F9 CHAVALI NAGARJUNA 5 13R11A04G0 CHIGURUPATI MEENAKSHI 6 13R11A04G1 D SRI RAMYA 7 13R11A04G2 DEEKONDA RAJSHREE 8 13R11A04G3 G MANIDEEP 9 13R11A04G4 GATADI VADDE PREM SAGAR 10 13R11A04G5 GOGU JEEVITHA SPANDANA REDDY 11 13R11A04G6 GOLLURI SINDHUJA 12 13R11A04G7 GOPANABOENA SAI KRANTHI KUMAR 13 13R11A04G8 GUNTIMADUGU SAI RESHMA 14 13R11A04G9 K DARSHAN 15 13R11A04H0 K. ANIRUDH 16 13R11A04H1 KOMIRISHETTY AKHILA 17 13R11A04H2 KOPPU MOUNIKA 18 13R11A04H3 KANNE RAVI KUMAR 19 13R11A04H4 KARRA VINEELA 20 13R11A04H5 KANUKALA SIDDHARTH 21 13R11A04H6 KATHI SHIVARAM REDDY
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DC COURSE FILE
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GEETHANJALI COLLEGE OF ENGINEERING
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Convolution Codes: Encoding, decodi
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III. To inculcate positive attitude
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7. Importance of the course and how
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DC 12: Compute the power and bandwi
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10. Course mapping with PEO’s and
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13.Micro plan : Sl. no Unit No. Tot
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14.Detailed Notes UNIT 1 : Elements
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A communication system may transmit
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the wavelength is extremely long, m
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asic elements of digital communicat
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4. Channel introduced many types of
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5. Bandwidth is another scarce reso
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Pulse Code Modulation ‣ PCM gener
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77777333333333333333333333333333333
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• The most common technique for s
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Pulse Code Modulation (PCM) : • P
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Figure 3.11 Illustration of the qua
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Quantization (nonuniform quantizer)
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Time-Division Multiplexing(TDM):
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Let m n where T The error signal is
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3. Simplify receiver design Because
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Figure 3.27 Block diagram illustrat
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Adaptive Differential Pulse-Code Mo
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ASK, OOK, MASK: • The amplitude (
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Frequency Shift Keying: • One fre
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s t Acos 2f ct 3 Acos 2f
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QAM and QPR: • QAM is a combinati
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Generation and Detection of Coheren
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Figure 6.29 Signal-space diagram fo
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UNIT 3 Base Band Transmission And O
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• The tails of hI(t) decay as 1/|
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• precoding d b d k k k2 symbol 1
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h( t) N 1 n w n sin c t T b
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• Equalization : to compensate fo
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e n y n 2E en 2E en 2Eenxnk
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- Flexibility - Same H/W may be tim
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Interpretation of Eye Diagram:
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The set of source symbols is called
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We will usually neglect to mention
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Note that if Condition1 is satisfie
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where dmin is the minimum Hamming d
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Linear Block Codes - example 1: •
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• S null can be represented by it
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G 1 0 I | P 0 0 0 1 0 0 0 0
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• Compared with the systematic co
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Convolutional Codes ◊ The encoder
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Convolution Codes ‣ Encoding, ‣
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x m m ''' j j 2 j Here each messa
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Representing convolutional codes: C
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- encoder state diagram for (n,k,L)
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• For this reason the non-survive
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sequence is 1 1 0 0 0 0 0 (why?). N
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Error Correction: • If there is n
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correct:1+1+2+2+2=8;8 ( 0.11) 0.88
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Motivation: Performance of Turbo Co
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Performance as a Function of Number
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General Model of Spread Spectrum Sy
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Slow and Fast FHSS: • Frequency s
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- 10 bit spreading code spreads sig
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Direct Sequence Spread Spectrum Usi
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15.Additional Topics: Voice coders
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'Toll Quality' voice coders, such a
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The well-known Shannon-Hartley law
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its for a known permutation of the
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16. Question papers: B. Tech III Ye
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e received code word 110110. Commen
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17. Question Bank 1. (a) State and
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21. A Discrete Memory less Source (
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19. Unit wise Bits CHOOSE THE CORRE
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(d) 5 Answers 1.C 2.D 3.B 4.A 5.C 6
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(b) its capacity gets doubled (c) i
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(d) 6 5. The cascade of two binary
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Page 171 and 172: code No: 56026 Set No. 2 JAWAHARLAL
Page 173 and 174: B) (Power required)/( Minimum Band
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Page 177 and 178: Code No: 56026 Set No. 2 JAWAHARLAL
Page 179 and 180: A) maximum when the source is conti
Page 181 and 182: Code No: 56026 :2: Set No. 4 II Fil
Page 183 and 184: Code No: 07A5EC09 Set No. 2 JAWAHAR
Page 185 and 186: Cont…..2 Code No: 07A5EC09 :2: Se
Page 187 and 188: 8) For the data word 1110 in a (7,
Page 191 and 192: a) 0 bits b) 1 bit c) 2 bits d) inf
Page 195 and 196: a) increase with its certainty of o
Page 197 and 198: Code No: 07A5EC09 :2: Set No.4 10)
Page 199 and 200: Amplitude of 1v.This speech signal
Page 201 and 202: . Self Information c. Logarithmic m
Page 203 and 204: 75. What are the advantages and dis
Page 205 and 206: 22. Discussion Topics: Data transmi
Page 207 and 208: Applications and history Data (main
Page 209: o o Mesh network Wireless network A
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Page 215 and 216: Group 8: 36 13R11A04K1 POLISETTY VE
Page 217 and 218: Unit 2 Pulse-Amplitude Modulation :
Page 219 and 220: Unit 3 Differential Pulse-Code Modu
Page 221 and 222: MISSING TOPICS UNIT 1 Hartley's law
Page 223 and 224: encoding the desired information an
Page 225 and 226: • f c denotes center frequency
Page 227 and 228: An interleaver installed between th
Page 229 and 230: Subject Contents 1.7. 1. Synopsis p
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