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Digital Telephony

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ISBN-10: 0471620564

ISBN-13: 9780471620563

Edition: 2nd 1991

Authors: John C. Bellamy

List price: $89.95
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Book details

List price: $89.95
Edition: 2nd
Copyright year: 1991
Publisher: John Wiley & Sons, Incorporated
Publication date: 1/16/1991
Binding: Hardcover
Pages: 592
Size: 6.38" wide x 9.67" long x 1.13" tall
Weight: 2.090

Preface
Acknowledgment
Acronyms
Background and Terminology
Telecommunications Standard Organizations
The Analog Network Hierarchy
Bell System Hierarchy
Postdivestiture U.S. Network
Switching Systems
Transmission Systems
Pair-Gain Systems
FDM Multiplexing and Modulation
Wideband Transmission Media
Transmission Impairments
Power Levels
Signaling
Analog Interfaces
The Intelligent Network
Dynamic Nonhierarchical Routing
Cellular Radio Telephone System
Voiceband Data Transmission
The Introduction of Digits
Voice Digitization
Time Division Multiplexing
Data under Voice
Digital Microwave Radio
Fiber Optic Transmission
Digital Switching
Digital Network Evolution
References
Problems
Why Digital?
Advantages of Digital Voice Networks
Ease of Multiplexing
Ease of Signaling
Use of Modern Technology
Integration of Transmission and Switching
Signal Regeneration
Performance Monitorability
Accommodation of Other Services
Operability at Low Signal-to-Noise/Interference Ratios
Ease of Encryption
Digital Signal Processing
DSP Applications
Disadvantages of Digital Voice Networks
Increased Bandwidth
Need for Time Synchronization
Topologically Restricted Multiplexing
Need for Conference/Extension Bridges
Incompatibilities with Analog Facilities
References
Voice Digitization
Pulse Amplitude Modulation
Nyquist Sampling Rate
Foldover Distortion
Pulse Code Modulation
Quantization Noise
Idle Channel Noise
Uniformly Encoded PCM
Companding
Easily Digitally Linearizable Coding
Syllabic Companding
Adaptive Gain Encoding
Speech Redundancies
Nonuniform Amplitude Distributions
Sample-to-Sample Correlation
Cycle-to-Cycle Correlations
Pitch-Interval-to-Pitch-Interval Correlations
Inactivity Factors
Nonuniform Long-Term Spectral Densities
Short-Term Spectral Densities
Differential Pulse Code Modulation
DPCM Implementations
Higher Order Prediction
Adaptive Differential PCM
Delta Modulation
Slope Overload
Adaptive Predictive Coding
Subband Coding
Vocoders
Channel Vocoder
Formant Vocoder
Linear Predictive Coding
Enhanced-Excitation Linear Predictive Coding
Encoder/Decoder Selection Considerations
Voice Quality
Transparency for Nonvoice Signals
Tolerance of Transmission Errors
Delay
ITU-T Coding Standards
References
Problems
Digital Transmission and Multiplexing
Pulse Transmission
Intersymbol Interference
Timing Inaccuracies
Insufficient Bandwidth
Amplitude Distortion
Phase Distortion
Asynchronous versus Synchronous Transmission
Asynchronous Transmission
Synchronous Transmission
Line Coding
Level Encoding
Bipolar Coding
Binary N-Zero Substitution
Pair Selected Ternary
Ternary Coding
Digital Biphase
Differential Encoding
Coded Mark Inversion
Multilevel Signaling
Partial-Response Signaling
Error Performance
Signal Detection
Noise Power
Error Probabilities
Performance Monitoring
Redundancy Checks
Signal Quality Measurements
Framing Channel Errors
Performance Objectives
Forward Error Correction
Time Division Multiplexing
Bit Interleaving versus Word Interleaving
Framing
DS1 Extended Superframe
Time Division Multiplex Loops and Rings
References
Problems
Digital Switching
Switching Functions
Space Division Switching
Multiple-Stage Switching
Blocking Probabilities: Lee Graphs
Blocking Probabilities: Jacobaeus
Folded Four-Wire Switches
Pathfinding
Switch Matrix Control
Time Division Switching
Analog Time Division Switching
Digital Time Division Switching
Two-Dimensional Switching
STS Switching
TST Switching
No. 4 ESS Toll Switch
System 75 Digital PBX
Digital Cross-Connect Systems
Consolidation and Segregation
DCS Hierarchy
Integrated Cross-Connect Equipment
Digital Switching in an Analog Environment
Zero-Loss Switching
Borscht
Conferencing
References
Problems
Digital Modulation and Radio Systems
Digital Modulation
Amplitude Modulation
Frequency Shift Keying
Phase Shift Keying
Quadrature Amplitude Modulation
Carrierless Amplitude and Phase Modulation
Partial-Response QAM
Trellis-Coded Modulation
Multicarrier Modulation
Filter Partitioning
Adjacent-Channel Interference
Optimum Partitioning
Emission Specifications
Radio System Design
Fade Margins
System Gain
Frequency Diversity
Space Diversity
Angle Diversity
Adaptive Equalization
Route Design
References
Problems
Network Synchronization Control and Management
Timing
Timing Recovery: Phase-Locked Loop
Clock Instability
Elastic Stores
Jitter Measurements
Systematic Jitter
Timing Inaccuracies
Slips
Asynchronous Multiplexing
Waiting Time Jitter
Network Synchronization
Plesiochronous
Networkwide Pulse Stuffing
Mutual Synchronization
Network Master
Master-Slave Synchronization
Packetization
Network Timing Performance Measurements
U.S. Network Synchronization
Synchronization Regions
Primary Reference Sources
1996 ATandT Synchronization Architecture
Network Control
Hierarchical Synchronization Processes
Network Management
Routing Control
Flow Control
References
Problems
Fiber Optic Transmission Systems
Fiber Optic Transmission System Elements
Optical Fiber Fundamentals
Electrical-to-Optical Transducers
Optical-to-Electrical Transducers
Line Codes for Fiber Optic Transmission
mBnB Line Codes
Bit Insertion Codes
Wavelength Division Multiplexing
Fiber System Design
Fiber Connectors and Splices
Protection Switching
System Gain
SONET/SDH
SONET Multiplexing Overview
SONET Frame Formats
SONET Operations, Administration, and Maintenance
Payload Framing and Frequency Justification
Virtual Tributaries
DS3 Payload Mapping
E4 Payload Mapping
SONET Optical Standards
SONET Networks
SONET Rings
Unidirectional Path-Switched Ring
Bidirectional Line-Switched Ring
References
Problems
Digital Mobile Telephony
North American Digital Cellular
D-AMPS Transmission Format
D-AMPS Speech Coding
D-AMPS Control Channel
D-AMPS Error Control
Global System for Mobile Communications
GSM Channel Structure
GSM Speech Coding
GSM Channel Coding and Modulation
GSM Mobile Station
GSM Frequency Hopping
GSM Short Message Service
Code Division Multiple-Access Cellular
CDMA Channel Establishment
CDMA Multipath Tolerance
CDMA Power Control
CDMA Soft Handoff
Personal Communication System
Voice Privacy and Authentication
Iridium
Trunked Radio
Cellular Digital Packet Data
References
Problems
Data and Asynchronous Transfer Mode Networks
Message Switching
Packet Switching
Packet Formats
Statistical Multiplexing
Routing Control
Flow Control
X.25
Frame Relay
TCP/IP
Asynchronous Transfer Mode Networks
ATM Cells
ATM Service Categories
ATM Connections
ATM Switching
ATM Applications
Internet Protocol Transport
References
Problems
Digital Subscriber Access
Integrated Services Digital Network
ISDN Basic Rate Access Architecture
S/T Interface
ISDN U Interface
ISDN D Channel Protocol
High-Data-Rate Digital Subscriber Loops
Asymmetric Digital Subscriber Line
VDSL
Digital Loop Carrier Systems
Universal Digital Loop Carrier Systems
Integrated Digital Loop Carrier Systems
Next-Generation Digital Loop Carrier Systems
Fiber in the Loop
Hybrid Fiber Coax Systems
Voiceband Modems
PCM Modems
Local Microwave Distribution Service
Digital Satellite Services
References
Problems
Traffic Analysis
Traffic Characterization
Arrival Distributions
Holding Time Distributions
Loss Systems
Lost Calls Cleared
Lost Calls Returning
Lost Calls Held
Lost Calls Cleared--Finite Sources
Lost Calls Held--Finite Sources
Network Blocking Probabilities
End-to-End Blocking Probabilities
Overflow Traffic
Delay Systems
Exponential Service Times
Constant Service Times
Finite Queues
Tandem Queues
References
Problems
Derivatization of Equations
Encoding/Decoding Algorithms for Segmented PCM
Analytic Fundamentals of Digital Transmission
Traffic Tables
Glossary
Answers to Selected Problems
Index