Descripción
Digital Telephony and Network Integration
1 A Network in Transition. - 2 Speech Digitization Fundamentals. - 3 Waveform Coding. - 4 Parametric and Hybrid Coding. - 5 Digital Techniques in the Telephone Network. - 6 Digital Transmission. - 7 Digital Cellular Radio. - 8 Microwave Transmission. - 9 Satellite Transmission. - 10 Fiber-Optic Transmission. - 11 Digital Switching Architecture. - 12 Operational Switching Systems. - 13 The Evolving Switched Digital Network. - 14 The Integrated Services Digital Network (ISDN). - 15 Closing the Loop. - Appendix A. North American Mixed-Network Technology. - A. l Introduction. - A. 2 The North American Network. - A. 2. 1 Network Numbering Plan. - A. 2. 2 Network Routing Plan. - A. 3 Transmission Technology. - A. 3. 1 Subscriber-Loop Transmission. - A. 3. 1. 1 Copper-Loop Environment. - A. 3. 1. 2 Subscriber Carrier Systems. - A. 3. 2 Network Transmission. - A. 3. 2. 1 Frequency-Division Multiplexing. - A. 3. 2. 2 Transmission Impairments. - A. 3. 2. 3 Control of Impairments. - A. 3. 2. 4 Via Net Loss Plan. - A. 3. 2. 5 Network Transmission Plans. - A. 4 Signaling Technology. - A. 4. 1 Supervisory Signaling. - A. 4. 1. 1 Subscriber Line Supervisory Signaling. - A. 4. 1. 2 Inband Interoffice Supervisory Signaling. - A. 4. 1. 3 E & M Lead Control. - A. 4. 1. 4 Control of Disconnect. - A. 4. 2 Address Signaling. - A. 4. 2. 1 Dial-Pulse Signaling. - A. 4. 2. 2 Dual-Tone Multifrequency Signaling. - A. 4. 2. 3 Multifrequency Signaling. - A. 4. 2. 4 Control of User Address Signaling. - A. 4. 2. 5 Control of Interoffice Address Signaling. - A. 4. 2. 6 Glare Detection and Resolution. - A. 4. 2. 7 Signaling Transients. - A. 4. 3 Network Information Signals. - A. 4. 4 Inband Signaling Techniques. - A. 4. 5 Switched Access for Inter-LATA Carriers. - A. 4. 6 Equal-Access Dialing and Signaling Plan. - A. 4. 7 Common-Channel Signaling. - A. 4. 7. 1 Principles of Common-Channel Signaling. - A. 4. 7. 2 Signaling Link Operation. - A. 4. 7. 3 Call Setup with CCIS. - A. 4. 7. 4 Signaling-Message Formats. - A. 4. 7. 5 Datagram Direct Signaling. - A. 4. 7. 6 Advantages of Common-Channel Signaling. - A. 5 Switching Technology. - A. 5. 1 Basic Switching Functions. - A. 5. 1. 1 Supervision. - A. 5. 1. 2 Control. - A. 5. 1. 3 Signaling. - A. 5. 1. 4 Switching Network. - A. 5. 2 Control Concepts. - A. 5. 2. 1 Operator Control. - A. 5. 2. 2 User Control. - A. 5. 2. 3 Common Control. - A. 5. 3 Switching Network Technology. - A. 5. 3. 1 Space-Division Switching. - A. 5. 3. 2 Time-Division Switching. - References. - Appendix B. Traffic Considerations in Telephony. - B. 1 Introduction. - B. 2 Traffic Assumptions. - B. 3 Traffic Measurements. - B. 3. 1 Traffic Data Collection. - B. 3. 2 Traffic Analysis Considerations. - B. 3. 3 Traffic Loss Probabilities. - B. 3. 3. 1 Erlang B Formula. - B. 3. 3. 2 Poisson Formula. - B. 3. 3. 3 Erlang C Formula. - B. 3. 3. 4 Comparison of Traffic Formulas. - B. 3. 3. 5 Nonrandom Traffic Theories. - B. 4 Network Management. - B. 4. 1 Principles of Control. - B. 4. 2 Principal Controls Available. - References. - Appendix C. Analog Cellular Systems. - CA Introduction. - C. 2 Analog System Operation. - C. 2. 1 Call Setup. - C. 2. 2 Signal-to-Noise Ratio. - C. 2. 3 Signal-to-Interference Ratio. - C. 2. 4 FM Deviation. - C. 3 Analog System Control. - C. 3. 1 Supervision. - C. 3. 1. 1 Signaling Tone. - C. 3. 1. 2 Supervisory Audio Tone. - C. 3. 1. 3 Locating Function. - C. 3. 2 Paging and Access. - C. 3. 3 Setup Channels. - C. 3. 4 Seizure Collision Avoidance. - C. 3. 5 Error Limits. - C. 3. 6 Blank and Burst. - C. 3. 7 Making Calls. - C. 3. 7. 1 Call to Mobile. - C. 3. 7. 2 Call from Mobile. - C. 3. 8 Handoff. - C. 3. 9 Disconnect. - C. 3. 9. 1 Mobile-Initiated Disconnect. - C. 3. 9. 2 System-Initiated Disconnect. - C. 3. 10 Summary. - C. 4 Narrowband Advanced Mobile Phone Service (NAMPS). - References. Language: English
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Nº de Fruugo :
340077287-746008071
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ISBN:
9781461357216