
Communication Systems for Electrical Engineers
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The book includes example problems in each chapter to help the reader in understanding the materials well.
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Person
Dr. Mohammad A Matin is currently working at the department of Electrical and Electronic Engineering, Universiti Teknologi Brunei (UTB), Brunei Darussalam as an Associate Professor. Before joining ITB, he was with the department of Electrical Engineering and Computer Science, North South University as an Associate Professor. He obtained his BSc. degree in Electrical and Electronic Engineering from BUET (Bangladesh), MSc degree in digital communication from Loughborough University, UK and PhD degree in wireless communication from Newcastle University, UK. He has taught several courses in communications, electronics and signal processing at KUET, Khulna University, and BRAC University during his career.
He has published over 80 refereed journals and conference papers. He is the author of ten academic books and nine book chapters. He has presented invited talks in Bangladesh, and Malaysia and has served as a member of the program committee for more than 50 international conferences. He is currently serving as a member of editorial board of several international journals such as IEEE Communications Magazine, IET Wireless Sensor Systems (IET-WSS), etc. and Guest Editor of special issue of IJDSN, IJAPIJCNIS etc. Dr. Matin is a member of IEEE, IEEE Communications Society (IEEE ComSoc), and several other international organizations. He served as a counselor of IEEE North South University (2008-2011), and secretary of IEEE Communication Society, Bangladesh Chapter (2010-2011). He has received a number of Prizes and Scholarships including the Best student prize (Loughborough University), Commonwealth Scholarship and Overseas Research Scholarship (ORS).
Content
2 - 1 Introduction to Signals, Systems and Communication [Seite 10]
2.1 - 1.1 Introduction [Seite 10]
2.2 - 1.2 Signals [Seite 10]
2.2.1 - 1.2.1 Representation of Signals [Seite 12]
2.2.2 - 1.2.2 Bandwidth of Signals [Seite 12]
2.2.3 - 1.2.3 Evaluation of Signal Power [Seite 13]
2.2.4 - 1.2.4 Transform of Periodic Signals [Seite 14]
2.2.5 - 1.2.5 Fourier Transform and Spectra [Seite 15]
2.2.6 - 1.2.6 Signal Shapes in Communication [Seite 16]
2.2.7 - 1.2.7 Some Useful Signal Operations [Seite 16]
2.3 - 1.3 System [Seite 18]
2.3.1 - 1.3.1 Baseband Systems [Seite 19]
2.3.2 - 1.3.2 Passband Systems [Seite 20]
2.4 - 1.4 Communication System [Seite 20]
2.4.1 - 1.4.1 Analog Versus Digital Communication System [Seite 21]
2.4.2 - 1.4.2 Modulation and Demodulation in Communication System [Seite 22]
2.4.3 - 1.4.3 Performance of Communication Systems [Seite 22]
2.5 - 1.5 Sample Questions [Seite 23]
3 - 2 Transmission Media and Propagation Mechanisms [Seite 24]
3.1 - 2.1 Introduction [Seite 24]
3.2 - 2.2 Wired Media: Twisted Pair [Seite 24]
3.3 - 2.3 Wired Media: Optical Fiber [Seite 25]
3.3.1 - 2.3.1 Structure of an Fiber Optic Cable [Seite 25]
3.3.2 - 2.3.2 Propagation Modes of Fiber Optic Cable [Seite 26]
3.3.3 - 2.3.3 Calculation of Number of Modes in a Fiber [Seite 27]
3.3.4 - 2.3.4 Optical Fiber Index Profile [Seite 28]
3.3.5 - 2.3.5 Optical Fiber's Numerical Aperture (NA) [Seite 29]
3.4 - 2.4 Wireless Media [Seite 30]
3.5 - 2.5 Transmission Impairments [Seite 30]
3.6 - 2.6 Data Transmission [Seite 32]
3.6.1 - 2.6.1 Nyquist Information Capacity [Seite 32]
3.6.2 - 2.6.2 Shannon Capacity [Seite 33]
3.7 - 2.7 Wireless Propagation [Seite 34]
3.7.1 - 2.7.1 Ground Wave Propagation [Seite 34]
3.7.2 - 2.7.2 Sky Wave Propagation [Seite 34]
3.8 - 2.8 Propagation Mechanism [Seite 36]
3.9 - 2.9 Sample Questions [Seite 37]
3.10 - Reference [Seite 37]
4 - 3 Speech Digitization and Service Integration [Seite 38]
4.1 - 3.1 Introduction [Seite 38]
4.2 - 3.2 Speech Digitization [Seite 38]
4.3 - 3.3 Pulse Code Modulation (PCM) [Seite 39]
4.3.1 - 3.3.1 Sampling [Seite 39]
4.3.2 - 3.3.2 Quantizing [Seite 40]
4.3.2.1 - 3.3.2.1 Signal to Quantization Noise Ratio, (SNR)Q [Seite 41]
4.3.3 - 3.3.3 Nonuniform Quantizing: Companding [Seite 44]
4.3.4 - 3.3.4 Encoding [Seite 44]
4.4 - 3.4 PCM Transmission Bandwidth and the Output SNR [Seite 45]
4.5 - 3.5 Time Division Multiplexing of Digitized Speech Channels in PSTN [Seite 46]
4.5.1 - 3.5.1 Higher Order Multiplexing [Seite 47]
4.6 - 3.6 Differential Pulse Code Modulation (DPCM) [Seite 48]
4.7 - 3.7 Delta Modulation [Seite 49]
4.8 - 3.8 Integrated Services Digital Network (ISDN) [Seite 50]
4.9 - 3.9 Sample Questions [Seite 51]
4.10 - References [Seite 51]
5 - 4 AM, Angle Modulation and Digital Modulation Systems [Seite 52]
5.1 - 4.1 Introduction [Seite 52]
5.2 - 4.2 Amplitude Modulation (AM) [Seite 52]
5.2.1 - 4.2.1 AM Spectrum [Seite 52]
5.2.2 - 4.2.2 Double Sideband Suppressed Carrier (DSB-SC) [Seite 54]
5.2.3 - 4.2.3 AM Modulation Index [Seite 57]
5.2.4 - 4.2.4 Power of an AM Signal [Seite 58]
5.2.5 - 4.2.5 AM Signals Generation [Seite 60]
5.2.6 - 4.2.6 Demodulation Methods of AM [Seite 61]
5.2.6.1 - 4.2.6.1 Rectifier Detector [Seite 61]
5.2.6.2 - 4.2.6.2 Envelope Detector [Seite 61]
5.3 - 4.3 Angle Modulation (FM and PM) [Seite 63]
5.3.1 - 4.3.1 Frequency Modulation (FM) [Seite 63]
5.3.2 - 4.3.2 FM Signal Spectrum and Bandwidth [Seite 64]
5.3.3 - 4.3.3 Power in FM Signal [Seite 66]
5.3.4 - 4.3.4 FM Signal Generation [Seite 67]
5.3.5 - 4.3.5 FM Demodulation-General Principles [Seite 68]
5.3.5.1 - 4.3.5.1 Tuned Circuit [Seite 69]
5.3.5.2 - 4.3.5.2 Phase-Locked Loop (PLL) [Seite 69]
5.3.6 - 4.3.6 Frequency Modulation Versus Amplitude Modulation [Seite 70]
5.3.7 - 4.3.7 Phase Modulation (PM) [Seite 70]
5.3.8 - 4.3.8 Relation Between PM and FM [Seite 71]
5.4 - 4.4 Generalized Receiver: Superheterodyne Receiver [Seite 71]
5.5 - 4.5 Digital Modulation Techniques [Seite 72]
5.5.1 - 4.5.1 Binary Modulated Bandpass Signaling [Seite 72]
5.5.2 - 4.5.2 Multilevel Modulated Bandpass Signaling [Seite 75]
5.6 - 4.6 Sample Questions [Seite 77]
6 - 5 Telecommunication Systems [Seite 79]
6.1 - 5.1 Introduction [Seite 79]
6.2 - 5.2 Evolution of Modern Telecommunications [Seite 79]
6.3 - 5.3 Simple Telephone Communication [Seite 80]
6.3.1 - 5.3.1 Subscriber Loop Signaling [Seite 81]
6.3.2 - 5.3.2 Signaling Tones to the Exchange from the Telephone [Seite 82]
6.3.3 - 5.3.3 Telephone Numbering Plan [Seite 83]
6.4 - 5.4 Telephone Call and Charging Plan [Seite 84]
6.4.1 - 5.4.1 Telephone Call Set-up [Seite 84]
6.4.2 - 5.4.2 Charging Plan [Seite 85]
6.5 - 5.5 Telecommunication Network [Seite 85]
6.5.1 - 5.5.1 Elements of Telecommunication Network [Seite 85]
6.5.2 - 5.5.2 Technologies in Telecommunication Network [Seite 87]
6.5.2.1 - 5.5.2.1 Transmission Systems [Seite 87]
6.5.2.2 - 5.5.2.2 Switching Systems [Seite 88]
6.5.2.3 - 5.5.2.3 Signalling System [Seite 89]
6.6 - 5.6 Telecommunication Design and Implementation [Seite 90]
6.6.1 - 5.6.1 Telecommunication Access Network Architecture: Fiber to the x [Seite 90]
6.6.2 - 5.6.2 Metro (SONET/SDH, Metro Ethernet) and Core Network Architecture [Seite 90]
6.7 - 5.7 Telecommunication Traffic Engineering [Seite 91]
6.7.1 - 5.7.1 Trunking and Grade of Service [Seite 92]
6.7.1.1 - 5.7.1.1 Traffic Model [Seite 93]
6.7.1.2 - 5.7.1.2 Congestion [Seite 93]
6.7.1.3 - 5.7.1.3 Erlang B formula [Seite 93]
6.8 - 5.8 Sample Questions [Seite 95]
6.9 - References [Seite 95]
7 - 6 Cellular Telephony System [Seite 96]
7.1 - 6.1 Introduction [Seite 96]
7.2 - 6.2 Basic Cellular Telephony [Seite 96]
7.3 - 6.3 Cellular Telephony Evolution [Seite 97]
7.4 - 6.4 Cellular Concept [Seite 98]
7.4.1 - 6.4.1 Frequency Reuse [Seite 99]
7.5 - 6.5 Hierarchical Cell Structure [Seite 101]
7.6 - 6.6 Handoff in Cellular System [Seite 101]
7.6.1 - 6.6.1 Types of Handoffs [Seite 103]
7.6.2 - 6.6.2 Practical Handoff Scenarios [Seite 104]
7.6.2.1 - 6.6.2.1 Umbrella Cell Approach [Seite 104]
7.6.2.2 - 6.6.2.2 Cell Dragging [Seite 104]
7.7 - 6.7 Interference and System Capacity [Seite 105]
7.8 - 6.8 Techniques for Improving Coverage and Capacity [Seite 109]
7.8.1 - 6.8.1 Cell Splitting [Seite 109]
7.8.2 - 6.8.2 Sectoring [Seite 110]
7.8.3 - 6.8.3 Microcell Zone Concept [Seite 111]
7.9 - 6.9 Sample Questions [Seite 112]
7.10 - References [Seite 113]
8 - 7 Satellite Communication Systems [Seite 114]
8.1 - 7.1 Introduction [Seite 114]
8.2 - 7.2 Active and Passive Satellites [Seite 115]
8.3 - 7.3 Satellite Communications Spectrum [Seite 116]
8.4 - 7.4 Orbits for Communication Satellites [Seite 116]
8.5 - 7.5 Elements of Satellite Communications System [Seite 119]
8.5.1 - 7.5.1 Space Segment [Seite 119]
8.5.1.1 - 7.5.1.1 Satellite Payload [Seite 121]
8.5.1.2 - 7.5.1.2 Satellite Subsystems [Seite 122]
8.5.2 - 7.5.2 Ground Segment [Seite 123]
8.6 - 7.6 "Link Budget" for Satellite Communication [Seite 125]
8.6.1 - 7.6.1 Carrier-to-Noise Ratio [Seite 128]
8.7 - 7.7 Launch Vehicles and Satellite Installation [Seite 128]
8.7.1 - 7.7.1 Launch Vehicle [Seite 129]
8.7.2 - 7.7.2 Satellite Installation [Seite 129]
8.7.3 - 7.7.3 Launch of Communication Satellites [Seite 130]
8.7.4 - 7.7.4 Launch Failure [Seite 130]
8.8 - 7.8 Sample Questions [Seite 131]
8.9 - References [Seite 131]
9 - Index [Seite 132]
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