Animations

Chapter 2 Transmission Fundamentals

2.2 Examples of Periodic Signals

2.3 s(t)= A sin(2*pi*ft)

2.4 Addition of Frequency Components

2.5 Frequency Components of Square Wave

2.6 Acoustic Spectrum of Speech and Music

2.8 Analog and Digital Signaling of Analog and Digital Data

2.9 Effect of Noise Signal

2.12 FDM and TDM

2.13 Synchronous TDM Systems

 

Chapter 3 Communication Networks

3.1 Comparison of Multiprocessor Systems LANs, MANs, and WANs

3.2 A Sample Local Area Network

3.3 Simple Switching Network

3.5 Circuit Establishment

3.6 The Use of Packets

3.7 Packet Switching Datagram Approach

3.8 Packet Switching Virtual Circuit Approach

3.9 Effect of Packet Size on Transmission

3.10 Event Timing for Circuit Switching and Packet Switching

 

Chapter 4 Protocols and the TCP/IP Suite

4.1 TCP/IP Concepts

4.2 Protocol Data Units in the TCP/IP Architecture

4.3 Example of TCP Credit Allocation Mechanism

4.6 Operation of TCP/IP Action at Sender

4.7 Operation of TCP/IP Action at Router

4.8 Operation of TCP/IP Action at Receiver

4.10 IP Headers

 

Chapter 5 Overview of Wireless Communication

5.1 Wireless Propagation Modes

5.2 Antenna Radiation Patterns

5.4 General Shape of BER vs Eb/No Curves

5.5 Sketch of Three Important Propagation Mechanisms

5.6 Two Pulses in Time Variant Multipath

5.7 Typical Slow and Fast Fading in an Urban Mobile Environment

5.8 Flat and Frequency Selective Fading

5.9 Four Uses of MIMO

5.10 Modulation of Analog Signals for Digital Data

5.11 16QAM Constellation Diagram

5.12 Theoretical Bit Error Rate for Multilevel FSK, PSK, and QAM

5.13 Error Detection Process

5.14 Polynomial Division for Example 5.10

5.15 Forward Error Correction Process

5.16 How Coding Improves System Performance

5.17 Tanner Graph for LDPC Iterative Decoding

5.18 Convolutional Encoder with (n,k,K)=(2,1,3)

5.19 Turbo Encoding and Decoding

5.21 Model of PDU Transmission

5 22 Go-back-N ARQ

5.23 Conceptual Understanding of Orthogonal Frequency Division Multiplexing

5.24 Illustration of Orthogonality of OFDM

5.25 IFFT Implementation of OFDM

5.27 General Model of Spread Spectrum Digital Communication System

5.28 Frequency Hopping Example

5.29 Frequency Hopping Spread Spectrum System

5.30 Example of Direct Sequence Spread Spectrum

5.31 Direct Sequence Spread Spectrum System

5.32 Approximate Spectrum of Direct Sequence Spread Spectrum Signal

 

Chapter 6 The Wireless Channel

6.1 Antenna Radiation Patterns

6.3 Radiation Patterns in 3D

6.5 Wireless Propagation Modes

6.6 Refraction of an Electromagnetic Wave

6.9 General Shape of BER vs Eb/No Curves

6.11 Sketch of Three Important Propagation Mechanisms

6.12 Two Pulses in Time Variant Multipath

6.13 Typical Slow and Fast Fading in an Urban Mobile Environment

6.14 Flat and Frequency Selective Fading

6.16 Linear Equalizer Circuit

6.17 Enterleaving Data Block to Spread the Effect of Error Bursts

6.18 Four Uses of MIMO

 

Chapter 7 Signal Encoding Techniques

7.1 Encoding and Modulation Techniques

7.2 Modulation of Analog Signals for Digital Data

7.3 Full Duplex FSK Transmission on a Voice Grade Line

7.4 MFSK Frequency Use

7.5 Differential Phase Shift Keying

7.6 QPSK Constellation Diagram

7.7 QPSK and OQPSK Modulators

7.9 Theoretical BER for Various Encoding Schemes

7.10 Theoretical Bit Error Rate for Multilevel FSK, PSK, and QAM

7.11 16QAM Constellation Diagram

7.12 QAM Modulator

7.13 Amplitude Modulation

7.14 Spectrum of AM signal

7.15 Amplitude Phase Frequency Modulation of a Sine Wave Carrier by a Sine Wave Signal

7.16 Digitizing Analog Aignals

7.17 Pulse Code Modulation Example

7.18 Effect of Non-linear Coding

7.19 Typical Companding Functions

7.20 Example of Delta Modulation

7.21 Delta Modulation

 

Chapter 8 Orthogonal Frequency Division Multiplexing

8.1 Conceptual Understanding of Orthogonal Frequency Division Multiplexing

8.2 Illustration of Orthogonality of OFDM

8.3 IFFT Implementation of OFDM

8.4 Cyclic Prefix

8.5 Ideal and Practical Amplifier Characteristics

8.6 Examples of Linear and Non-linear Amplifier Output

 

Chapter 9 Spread Spectrum

9.1 General Model of Spread Spectrum Digital Communication System

9.2 Frequency Hopping Example

9.3 Frequency Hopping Spread Spectrum System

9.4 Slow Frequency Hop Spread Spectrum using MFSK (M=4,k=2)

9.5 Fast Frequency Hop Spread Spectrum using MFSK (M=4,k=2)

9.6 Example of Direct Sequence Spread Spectrum

9.7 Direct Sequence Spread Spectrum System

9.8 Example of Direct Sequence Spread Spectrum using BPSK

9.9 Approximate Spectrum of Direct Sequence Spread Spectrum Signal

9.10 CDMA Example

9.11 CDMA in a DSSS Environment

9.12 Principle of RAKE Receiver

 

Chapter 10 Coding and Error Control

10.1 Error Detection Process

10.2 Polynomial Division for Example 10.4

10.5 Forward Error Correction Process

10.6 How Coding Improves System Performance

10.8 Tanner Graph for LDPC Iterative Decoding

10.9 Block Interleaving

10.10 Convolutional Encoder with (n,k,K)= (2,1,3)

10.11 Trellis Diagram for Encoder

10.13 Viterbi Algorithm with Decoding Window b=7

10.14 Turbo Encoding and Decoding

10.17 Model of PDU Transmission

10.18 Sliding Window Depiction

10.19 Example of Sliding Window Protocol

10.20 Go-Back-N ARQ

 

Chapter 11 Wireless LAN Technology

11.1 Example Single Cell LAN Configuration

11.4 Kiviat Graphs for Data Networks

11.5 IEEE 802 Protocol Layers Compared to OSI

11.6 IEEE 802 Protocols in Context

11.7 LLC PDU in a Generic MAC Frame Format

11.10 IEEE 802.11 Medium Access Control Logic

11.11 IEEE 802.11 MAC Timing

11.12 IEEE 802.11 MAC Frame Format

11.14 IEEE 802.11a Channel Scheme

11.16 Forms of Aggregation

11.17 IEEE 802.11 Performance Factors

11 21 IEEE 802.11i Phases of Operation

 

Chapter 12 Bluetooth and IEEE 802.15

12.1 Bluetooth Protocol Stack

12.2 Master Slave Relationships

12.3 Wireless Network Configurations

12.4 Frequency Hop Time Division Duplex

12.5 Examples of Multislot Packets

12.7 An Example of Retransmission Operation

12.8 Token Bucket Scheme

 

Chapter 13 Cellular Wireless Networks

13.2 Frequency Reuse Patterns

13.7 Handoff Between Two Cells

13.8 Example Distribution of Traffic in a Cell with Capacity 10

 

Chapter 14 Fourth Generation Systems and LTE-Advanced

14.2 Overview of the EPC LTE Architecture

14.3 LTE QoS Bearers

14.8 The Radio Interface Protocol Architecture and the SAPs between Different Layers

14.10 Spectrum Allocation for FDD and TDD

14.13 LTE Resource Grid

 

Chapter 15 Mobile Applications and Mobile IP

15.4 Mobile IP Scenario

15.8 Mobile IP Encapsulation

 

Chapter 16 Long Range Communications

16.1 Coverage and Elevation Angles

16.2 Satellite Parameters as a Function of Orbital Height

16.3 Geostationary Earth Orbit GEO

16.6 Typical Satellite Footprint

16.8 Satellite Communication Configurations

16 12 Example of TDMA Frame Format

16.13 TDMA Operation

16.15 SS TDMA Operation

16.18 Fixed Broadband Wireless Configuration

16.21 IEEE 802.16 MAC PDU Formats

16.22 IEEE 802.16 Services

16.23 IEEE 802.16 OFDMA Frame Structure in TDD Mode

16.24 IEEE 802.16 OFDMA Frame Structure in FDD Mode

16.25 The Electric Power Grid