Passband Digital Transmission

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Passband Digital Transmission Chapter 07 Passband Digital Transmission

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.1 A model of passband digital communication system. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.2 The Gram-Schmidt orthogonalization procedure: (a) generation of signal from coefficients and (b) extraction of coefficients from signal. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.3 Set of signals and orthonormal functions for Example 7.1. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.4 A geometric representation of transmitted vector, noise vector, and received vector. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.5a Optimum receivers: (a) correlation receiver and (b) matched-filter receiver. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.5b Optimum receivers: (a) correlation receiver and (b) matched-filter receiver. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.6a Example 7.3: (a) signal set, (b) orthonormal functions, (c) matched filters, and (d) optimum decision regions. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.6b Example 7.3: (a) signal set, (b) orthonormal functions, (c) matched filters, and (d) optimum decision regions. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.6c Example 7.3: (a) signal set, (b) orthonormal functions, (c) matched filters, and (d) optimum decision regions. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.6d Example 7.3: (a) signal set, (b) orthonormal functions, (c) matched filters, and (d) optimum decision regions. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.7 Optimum receiver for nonwhite noise. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.8 Noncoherent detection. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.9 Binary digital modulation schemes: (a) binary data, (b) modulating signal, (c) carrier wave, (d) BASK signal, (e) BFSK signal, and (f) BPSK signal. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.10ab BASK modulation: (a) transmitter, (b) signal space and optimum decision regions, (c) coherent detection, and (d) noncoherent detection. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.10cd BASK modulation: (a) transmitter, (b) signal space and optimum decision regions, (c) coherent detection, and (d) noncoherent detection. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.11 Power spectral density functions for BASK, BFSK, and BPSK modulation schemes. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.12ab BFSK modulation: (a) transmitter, (b) signal space and optimum decision regions, (c) coherent detection, and (d) noncoherent detection. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.12cd BFSK modulation: (a) transmitter, (b) signal space and optimum decision regions, (c) coherent detection, and (d) noncoherent detection. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.13ab BPSK modulation: (a) transmitter, (b) signal space and optimum decision regions, (c) coherent detection, and (d) differential detection. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.13cd BPSK modulation: (a) transmitter, (b) signal space and optimum decision regions, (c) coherent detection, and (d) differential detection. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.14 Bit error rate performances of binary digital modulation schemes. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.15a QPSK modulation: (a) input binary signal in polar form, (b) signal decomposition into two independent signals, (c) transmitted signal, (d) transmitter, (e) receiver, and (f) signal space and optimum decision regions. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.15bc QPSK modulation: (a) input binary signal in polar form, (b) signal decomposition into two independent signals, (c) transmitted signal, (d) transmitter, (e) receiver, and (f) signal space and optimum decision regions. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.15de QPSK modulation: (a) input binary signal in polar form, (b) signal decomposition into two independent signals, (c) transmitted signal, (d) transmitter, (e) receiver, and (f) signal space and optimum decision regions. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.15f QPSK modulation: (a) input binary signal in polar form, (b) signal decomposition into two independent signals, (c) transmitted signal, (d) transmitter, (e) receiver, and (f) signal space and optimum decision regions. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.16 Power spectral density functions for QPSK, OQPSK, and MSK. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.17a OQPSK modulation: (a) input binary signal in polar form, (b) signal decomposition into two independent signals, and (c) transmitted signal. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.17bc OQPSK modulation: (a) input binary signal in polar form, (b) signal decomposition into two independent signals, and (c) transmitted signal. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.18a MSK modulation: (a) input binary signal in polar form, (b) signal decomposition into two independent signals, and (c) transmitted signal. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.18bc MSK modulation: (a) input binary signal in polar form, (b) signal decomposition into two independent signals, and (c) transmitted signal. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.19 Carrier phases for QPSK and MSK schemes. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.20a Signal space and optimum decision regions for M-ary modulation schemes: (a) MASK (M=4), (b) MPSK (M=8), (c) QAM (M=16), and (d) MFSK (M=3). Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.20b Signal space and optimum decision regions for M-ary modulation schemes: (a) MASK (M=4), (b) MPSK (M=8), (c) QAM (M=16), and (d) MFSK (M=3). Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.20c Signal space and optimum decision regions for M-ary modulation schemes: (a) MASK (M=4), (b) MPSK (M=8), (c) QAM (M=16), and (d) MFSK (M=3). Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.20d Signal space and optimum decision regions for M-ary modulation schemes: (a) MASK (M=4), (b) MPSK (M=8), (c) QAM (M=16), and (d) MFSK (M=3). Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.21 MASK bit error rate performance. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.22 MPSK bit error rate performance. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.23 QAM bit error rate performance. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.24 MFSK bit error rate performance. Copyright © 2016 Elsevier Inc. All rights reserved.

Copyright © 2016 Elsevier Inc. All rights reserved. Figure 7.25 Block diagram of an orthogonal frequency-division multiplexing: (a) transmitter and (b) receiver. Copyright © 2016 Elsevier Inc. All rights reserved.