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22 13R11A04H7 KOMANDLA SRIKANTH REDDY 23 13R11A04H8 KONDAM PADMA 24 13R11A04H9 KRISHNA ASHOK MORE 25 13R11A04J0 LINGAMPALLY RAJASRI 26 13R11A04J1 M ROHITH SAI SHASHANK 27 13R11A04J2 M TANVIKA 28 13R11A04J3 MALIHA AZAM 29 13R11A04J4 MANSHA NEYAZ 30 13R11A04J5 MATTA SRI SATYA SAI GAYATHRI 31 13R11A04J6 MD RAHMAN SHAREEF 32 13R11A04J7 MEESALA SAI SHRUTHI 33 13R11A04J8 P G CHANDANA 34 13R11A04J9 PALLE AKILA 35 13R11A04K0 PERNAPATI YAMINI 36 13R11A04K1 POLISETTY VEDA SRI 37 13R11A04K2 REGU PRAVALIKA 38 13R11A04K3 R RITHWIK REDDY 39 13R11A04K4 RAMYA S 40 13R11A04K5 SURI BHASKER SRI HARSHA 41 13R11A04K6 TANGUTOORI SIRI CHANDANA 42 13R11A04K7 THIPPARAPU AKHIL 43 13R11A04K8 UDDALA DEVAMMA 44 13R11A04K9 VALASA SHIVANI 45 13R11A04L0 VEPURI NAGA TARUN SAI 46 13R11A04L1 VISWAJITH GOVINDA RAJAN 47 13R11A04L2 YENDURI YUGANDHAR
48 13R11A04L3 M SAI KUMAR 49 14R18A0401 MODUMUDI HARSHITHA 26.GroupWise students list for discussion topics Section -D Group 1 Group 2 Group 3: 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 GOGU JEEVITHA SPANDANA 10 13R11A04G5 REDDY 11 13R11A04G6 GOLLURI SINDHUJA 12 13R11A04G7 GOPANABOENA SAI KRANTHI KUMAR 13 13R11A04G8 GUNTIMADUGU SAI RESHMA 14 13R11A04G9 K DARSHAN 15 13R11A04H0 K. ANIRUDH Group 4:
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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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CHOOSE THE CORRECT ANSWER 1. The mi
Page 161 and 162: 2.C 3.C 4.A 5.D 6.C 7.B 8.B 9.B 10.
Page 163 and 164: (b) H(X/Y)=1bit/message (c) H(X,Y)=
Page 165 and 166: (d) log m bits/symbol 6. Theencoder
Page 167 and 168: 3. .Under error free reception, the
Page 169 and 170: 10.B Code No: 56026 Set No. 1 JAWAH
Page 171 and 172: code No: 56026 Set No. 2 JAWAHARLAL
Page 173 and 174: B) (Power required)/( Minimum Band
Page 175 and 176: A) 5 B) 4 C) 2 D) 3 3. Which of the
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 and 210: o o Mesh network Wireless network A
Page 211: 25. STUDENTS LIST B.TECH III YEAR I
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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