Page 14 - Satellite Communications, Fourth Edition

Dennis Roddy viii

13.2.5 Passband interference 407
13.2.6 Receiver transfer characteristic 408

13.2.7 Specified interference objectives 409
13.2.8 Protection ratio 410

13.3 Energy Dispersal 411
13.4 Coordination 413

13.4.1 Interference levels 413
13.4.2 Transmission gain 415

13.4.3 Resulting noise-temperature rise 416
13.4.4 Coordination criterion 417

13.4.5 Noise power spectral density 418
13.5 Problems and Exercises 419

References 421
Chapter Satellite Access 423
14.
14.1 Introduction 423

14.2 Single Access 424
14.3 Preassigned FDMA 425

14.4 Demand-Assigned FDMA 430
14.5 Spade System 430

14.6 Bandwidth-Limited and Power-Limited TWT Amplifier 432
Operation
14.6.1 FDMA downlink analysis 433
14.7 TDMA 436

14.7.1 Reference burst 440

14.7.2 Preamble and postamble 442
14.7.3 Carrier recovery 443
14.7.4 Network synchronization 444

14.7.5 Unique word detection 448

14.7.6 Traffic data 451
14.7.7 Frame efficiency and channel capacity 451
14.7.8 Preassigned TDMA 452

14.7.9 Demand-assigned TDMA 455

14.7.10 Speech interpolation and prediction 455
14.7.11 Downlink analysis for digital transmission 459