Dynamic Simulcasting: Design and Optimization
Jiangchuan Liu, Bo Li, Alan T. S. Ip, Ya-Qin Zhang · Kluwer Academic Publishers eBooks · 2006
Contents 1 Introduction 3 2 Related Work 5 2.1 Simulcasting Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Simulcasting versus Layered Transmission . . . . . . . . . . . . . . . 5 3 System Model and Definitions 7 3.1 System Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Measurement of Bandwidth Mismatch . . . . . . . . . . . . . . . . . 8 4 Intra-Session Optimization 9 4.1 Problem Formulation . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.2 Optimization for Fixed Number of Streams (OptFN) . . . . . . . . . 11 4.3 Joint Optimization for Stream Number and Bandwidths (OptNB) . 12 4.4 Remarks on the Lower Bound of ERM . . . . . . . . . . . . . . . . . 13 5 Inter-Session Bandwidth Allocation 14 6 Implementation Issues and Computation Overhead 16 6.1 Computation Overhead and Algorithm Optimization . . . . . . . . . 16 6.2 Video Stream Replicating . . . . . . . . . . . . . . . . . . . . . . . . 17 7 Performance Evaluation 18 7.1 Num