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thesis
Intelligent packet discarding policies for real-time traffic over wireless networks.
Authors
Publication date
1 January 2006
Publisher
Abstract
Yuen Ching Wan.Thesis (M.Phil.)--Chinese University of Hong Kong, 2006.Includes bibliographical references (leaves 77-83).Abstracts in English and Chinese.Abstract --- p.iAcknowledgement --- p.iiiChapter 1 --- Introduction --- p.1Chapter 1.1 --- Nature of Real-Time Traffic --- p.1Chapter 1.2 --- Delay Variability in Wireless Networks --- p.2Chapter 1.2.1 --- Propagation Medium --- p.3Chapter 1.2.2 --- Impacts of Network Designs --- p.5Chapter 1.3 --- The Keys - Packet Lifetime & Channel State --- p.8Chapter 1.4 --- Contributions of the Thesis --- p.8Chapter 1.5 --- Organization of the Thesis --- p.9Chapter 2 --- Background Study --- p.11Chapter 2.1 --- Packet Scheduling --- p.12Chapter 2.2 --- Call Admission Control (CAC) --- p.12Chapter 2.3 --- Active Queue Management (AQM) --- p.13Chapter 2.3.1 --- AQM for Wired Network --- p.14Chapter 2.3.2 --- AQM for Wireless Network --- p.17Chapter 3 --- Intelligent Packet Discarding Policies --- p.21Chapter 3.1 --- Random Packet Discard --- p.22Chapter 3.1.1 --- Variable Buffer Limit (VABL) --- p.22Chapter 3.2 --- Packet Discard on Expiration Likelihood (PEL) --- p.23Chapter 3.2.1 --- Working Principle --- p.24Chapter 3.2.2 --- Channel State Aware Packet Discard on Expiration Likelihood (CAPEL) --- p.26Chapter 3.3 --- System Modeling --- p.29Chapter 3.3.1 --- Wireless Channel as an Markov-Modulated Poisson Process (MMPP) --- p.30Chapter 3.3.2 --- System Analysis --- p.30Chapter 3.3.3 --- System Time Distribution --- p.33Chapter 3.3.4 --- Approximation of System Time Distribution by Gamma Distribution --- p.36Chapter 3.4 --- Goodput Analysis of Intelligent Packet Discarding Policies --- p.38Chapter 3.4.1 --- Variable Buffer Limit (VABL) --- p.38Chapter 3.4.2 --- CAPEL at the End-of-Line --- p.39Chapter 3.4.3 --- CAPEL at the Head-of-Line --- p.43Chapter 4 --- Performance Evaluation --- p.44Chapter 4.1 --- Simulation --- p.44Chapter 4.1.1 --- General Settings --- p.45Chapter 4.1.2 --- Choices of Parameters --- p.46Chapter 4.1.3 --- Variable Buffer Limit (VABL) --- p.49Chapter 4.1.4 --- CAPEL at the End-of-Line --- p.53Chapter 4.1.5 --- CAPEL at the Head-of-Line --- p.60Chapter 4.2 --- General Discussion --- p.64Chapter 4.2.1 --- CAPEL vs RED --- p.64Chapter 4.2.2 --- Gamma Approximation for System Time Distribution . --- p.69Chapter 5 --- Conclusion --- p.70Chapter A --- Equation Derivation --- p.73Chapter A.l --- Steady State Probabilities --- p.73Bibliography --- p.7
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Last time updated on 09/11/2016