mohatta2015.pdf

Recommendations

Info

To my colleagues at Ericsson
CONTENTS IN BRIEF 1 Introduction 1 2 Matched Filtering 31 3 Zero-Forcing Decision Feedback Equalization 57 4 Linear Equalization 69 5 MMSE and ML Decision Feedback Equalization 99 6 Maximum Likelihood Sequence Detection 115 7 Advanced Topics 151 8 Practical Considerations 173
Page 2 and 3: Channel Equalization for Wireless C
Page 6 and 7: CONTENTS List of Figures List of Ta
Page 8 and 9: CONTENTS XI 4.2 4.3 4.4 4.5 4.6 4.1
Page 10 and 11: CONTENTS XIII 8 Practical Considera
Page 12 and 13: xvi LIST OF FIGURES 2.2 Matched fil
Page 14 and 15: XviÜ LIST OF FIGURES 6.18 Scatter
Page 16 and 17: XX Prologue Alice was nervous. Woul
Page 18 and 19: XXÜ PREFACE is introduced as neede
Page 20 and 21: ACRONYMS AC A/D ADC AMLD AMPS ASK A
Page 22 and 23: ML MLD MLPD MLSD MLSE MRC MSE MSB O
Page 24 and 25: 2 INTRODUCTION Table 1.1 Possible m
Page 26 and 27: 4 INTRODUCTION s o S 1 8 2 S 3 S 0
Page 28 and 29: 6 INTRODUCTION A block diagram of t
Page 30 and 31: 8 INTRODUCTION Figure 1.7 QPSK. tra
Page 32 and 33: 10 INTRODUCTION phases (phase modul
Page 34 and 35: 12 INTRODUCTION rollo« 0.22 0.8 Ί
Page 36 and 37: 14 INTRODUCTION is the "channel" re
Page 38 and 39: 16 INTRODUCTION 1.4 MORE MATH In th
Page 40 and 41: 18 INTRODUCTION For K = 1 (order 0)
Page 42 and 43: 20 INTRODUCTION The K = 4 main bloc
Page 44 and 45: 22 INTRODUCTION A sample of the noi
Page 46 and 47: 24 INTRODUCTION The receiver may ha
Page 48 and 49: 26 INTRODUCTION 1.5.1 Reference sys
Page 50 and 51: 28 INTRODUCTION a) What most likely
Page 53 and 54: CHAPTER 2 MATCHED FILTERING In this
Page 55 and 56:
MORE DETAILS 33 2.2 MORE DETAILS So
Page 57 and 58:
THE MATH 35 Now compare the output
Page 59 and 60:
THE MATH 37 The correlation in (2.2
Page 61 and 62:
THE MATH 39 correlation function f(
Page 63 and 64:
THE MATH 41 Thus, in the complex pl
Page 65 and 66:
THE MATH 43 to the medium response
Page 67 and 68:
THE MATH 45 We can interpret f(t) a
Page 69 and 70:
MORE MATH 47 10" 1 Odeg 90 deg X 18
Page 71 and 72:
MORE MATH 49 With despread-level Ra
Page 73 and 74:
MORE MATH 51 Figure 2.6 OFDM exampl
Page 75 and 76:
MORE MATH 53 2.4.3 MF in colored no
Page 77 and 78:
PROBLEMS 55 period) is examined in
Page 79 and 80:
CHAPTER 3 ZERO-FORCING DECISION FEE
Page 81 and 82:
MORE DETAILS 59 1/c r m —► H i
Page 83 and 84:
MORE DETAILS 61 where «i = m - (d/
Page 85 and 86:
MORE MATH 63 Because there is no IS
Page 87 and 88:
MORE MATH 65 In the later chapter o
Page 89 and 90:
PROBLEMS 67 b) What is the detected
Page 91 and 92:
CHAPTER 4 LINEAR EQUALIZATION With
Page 93 and 94:
THE IDEA 71 estimate of symbol s 2
Page 95 and 96:
THE IDEA 73 Notice that £2 (MSE) d
Page 97 and 98:
MORE DETAILS 75 The first term is t
Page 99 and 100:
MORE DETAILS 77 To obtain the unity
Page 101 and 102:
THE MATH 79 and SINR becomes w T h
Page 103 and 104:
THE MATH 81 To obtain the MMSE solu
Page 105 and 106:
THE MATH 83 where *m n = ν ^ ^ ^ '
Page 107 and 108:
THE MATH 85 power is much larger th
Page 109 and 110:
MORE MATH 87 IQ' 1 OC 111 ω 10 2 1
Page 111 and 112:
MORE MATH 89 values of h k m (f) fr
Page 113 and 114:
MORE MATH 91 where C(d(),d 0 ) . C(
Page 115 and 116:
AN EXAMPLE 93 between z and s. This
Page 117 and 118:
PROBLEMS 95 Another aspect of cocha
Page 119:
PROBLEMS 97 The math 4.11 Consider
Page 122 and 123:
100 MMSE AND ML DECISION FEEDBACK E
Page 124 and 125:
Page 126 and 127:
Page 128 and 129:
Page 130 and 131:
Page 132 and 133:
Page 134 and 135:
Page 137 and 138:
CHAPTER 6 MAXIMUM LIKELIHOOD SEQUEN
Page 139 and 140:
MORE DETAILS 117 r 2 Ht, r, fcl + f
Page 141 and 142:
MORE DETAILS 119 Figure 6.3 MLSD tr
Page 143 and 144:
THE MATH 121 legs of the journey is
Page 145 and 146:
THE MATH 123 Figure 6.8 MLSD trelli
Page 147 and 148:
THE MATH 125 We would then identify
Page 149 and 150:
THE MATH 127 Expanding the square,
Page 151 and 152:
THE MATH 129 Consider the matched f
Page 153 and 154:
THE MATH 131 6.3.5.1 M-algorithm Wi
Page 155 and 156:
THE MATH 133 results, DFE and MLSD
Page 157 and 158:
THE MATH 135 IQ" 1 oc LU CD 10 2 10
Page 159 and 160:
THE MATH 137 sometimes inaccurate w
Page 161 and 162:
MORE MATH 139 POWER CONTROL effecti
Page 163 and 164:
MORE MATH 141 15 POWER CONTROL 10
Page 165 and 166:
MORE MATH 143 6.4.3 More approximat
Page 167 and 168:
THE LITERATURE 145 EDGE is an evolu
Page 169 and 170:
PROBLEMS 147 the channel to minimum
Page 171:
PROBLEMS 149 c) Suppose we know «o
Page 174 and 175:
152 ADVANCED TOPICS detecting the w
Page 176 and 177:
154 ADVANCED TOPICS Table 7.2 Examp
Page 178 and 179:
156 ADVANCED TOPICS Let's look at t
Page 180 and 181:
158 ADVANCED TOPICS Thus, for MAPSD
Page 182 and 183:
160 ADVANCED TOPICS Table 7.6 Examp
Page 184 and 185:
162 ADVANCED TOPICS If we assume no
Page 186 and 187:
164 ADVANCED TOPICS Now we can focu
Page 188 and 189:
166 ADVANCED TOPICS Notice we used
Page 190 and 191:
168 ADVANCED TOPICS to achieve spat
Page 192 and 193:
170 ADVANCED TOPICS c) What are the
Page 195 and 196:
CHAPTER 8 PRACTICAL CONSIDERATIONS
Page 197 and 198:
MORE DETAILS 175 8.2 MORE DETAILS I
Page 199 and 200:
MORE DETAILS 177 One extreme is to
Page 201 and 202:
THE MATH 179 8.3.1 Time-invariant c
Page 203 and 204:
THE MATH 181 With recursive channel
Page 205 and 206:
MORE PRACTICAL ASPECTS 183 timing).
Page 207 and 208:
THE LITERATURE 185 8.6 THE LITERATU
Page 209 and 210:
PROBLEMS 187 a) Draw the new receiv
Page 211 and 212:
APPENDIX A SIMULATION NOTES Perform
Page 213 and 214:
FADING CHANNELS 191 where JA = A 2
Page 215 and 216:
APPENDIX B NOTATION Channel Equaliz
Page 217:
NOTATION 195 Variable Meaning p(t)
Page 220 and 221:
198 REFERENCES [Ari98] [Ari99] [Ari
Page 222 and 223:
200 REFERENCES [Bra91] W. R. Braun
Page 224 and 225:
202 REFERENCES [Div98] [Dou95] [Due
Page 226 and 227:
204 REFERENCES [Gon68] R. A. Gonsal
Page 228 and 229:
206 REFERENCES [Kaa94] [Kai60] V.-P
Page 230 and 231:
208 REFERENCES [ManOl] [Mar73] [Mar
Page 232 and 233:
210 REFERENCES [Pic95] [P0088] [Pri
Page 234 and 235:
212 REFERENCES [Sto93] [Sto96] [Sui
Page 236 and 237:
214 REFERENCES [Wan06a] T. Wang, J.
show all

mohatta2015.pdf

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?