An asynchronous time division multiplexing scheme for voice over IP.

Abstract

by Yip Chung Sun Danny.Thesis (M.Phil.)--Chinese University of Hong Kong, 2000.Includes bibliographical references (leaves 52-54).Abstracts in English and Chinese.Chapter Chapter 1 --- Introduction --- p.1Chapter 1.1 --- Motivation --- p.1Chapter 1.2 --- Organization of Thesis --- p.5Chapter Chapter 2 --- Background --- p.6Chapter 2.1 --- Speech Codec --- p.6Chapter 2.2 --- RTP/UDP/IP Header Compression --- p.7Chapter 2.2.1 --- Real-Time Transport Protocol --- p.7Chapter 2.2.2 --- RTP/UDP/IP Header Compression --- p.8Chapter Chapter 3 --- Scenario and Assumptions --- p.10Chapter Chapter 4 --- Asynchronous Time Division Multiplexing Scheme --- p.14Chapter 4.1 --- Basic Idea --- p.14Chapter 4.1.1 --- Bandwidth Efficiency Improvement --- p.16Chapter 4.1.2 --- Delay Reduction --- p.18Chapter 4.2 --- Header Compression --- p.19Chapter 4.2.1 --- Header Compression Process --- p.21Chapter 4.2.2 --- Context Mapping Table --- p.23Chapter 4.3 --- Protocol --- p.28Chapter 4.3.1 --- UNCOMPRESSED_RTP Mini-Header --- p.30Chapter 4.3.2 --- SYNCHRONIZATION Mini-header --- p.31Chapter 4.3.3 --- COMPRESSED´ؤRTP Mini-header --- p.32Chapter 4.4 --- Connection Establishment --- p.33Chapter 4.4.1 --- Addressing Phase --- p.34Chapter 4.4.2 --- Connection Phase --- p.36Chapter 4.5 --- Software Implementation --- p.38Chapter Chapter 5 --- Simulation Results --- p.39Chapter 5.1 --- Simulation Model --- p.39Chapter 5.2 --- Voice Source Model --- p.41Chapter 5.3 --- Simulation Results --- p.43Chapter 5.3.1 --- Network Utilization and Delay Performance --- p.43Chapter 5.3.2 --- Number of Supported Connections --- p.45Chapter Chapter 6 --- Conclusion and Future Work --- p.49Bibliography --- p.5