Page 16 - Satellite Communications, Fourth Edition
P. 16
Dennis Roddy ix
15.4 Asynchronous Transfer Mode (ATM) 494
15.4.1 ATM layers 495
15.4.2 ATM networks and interfaces 497
15.4.3 The ATM cell and header 497
15.4.4 ATM switching 499
15.4.5 Permanent and switched virtual circuits 501
15.4.6 ATM bandwidth 501
15.4.7 Quality of service 504
15.5 ATM over Satellite 504
15.6 The Internet 511
15.7 Internet Layers 513
15.8 The TCP Link 516
15.9 Satellite Links and TCP 517
15.10 Enhancing TCP Over Satellite Channels Using Standard 519
Mechanisms (RFC-2488)
15.11 Requests for Comments 521
15.12 Split TCP Connections 522
15.13 Asymmetric Channels 525
15.14 Proposed Systems 527
15.15 Problems and Exercises 527
References 530
Chapter Direct Broadcast Satellite (DBS) Television 531
16.
16.1 Introduction 531
16.2 Orbital Spacing 531
16.3 Power Rating and Number of Transponders 533
16.4 Frequencies and Polarization 533
16.5 Transponder Capacity 533
16.6 Bit Rates for Digital Television 534
16.7 MPEG Compression Standards 536
16.8 Forward Error Correction (FEC) 541
16.9 The Home Receiver Outdoor Unit (ODU) 542
16.10 The Home Receiver Indoor Unit (IDU) 544
16.11 Downlink Analysis 546
16.12 Uplink 553
