Do you need to know what signal type to select for a wireless application? Quickly develop a useful expertise in digital modulation with this practical guide, based on the author's experience of over 30 years in industrial design. You will understand the physical meaning behind the mathematics of wireless signals and learn the intricacies and tradeoffs in signal selection and design. Six modulation families and 12 modulation types are covered in depth, together with a quantitative ranking of relative cost incurred to implement any of 12 modulation types. Extensive discussions of the Shannon Limit, Nyquist filtering, efficiency measures and signal-to-noise measures are provided, radio wave propagation and antennas, multiple access techniques, and signal coding principles are all covered, and spread spectrum and wireless system operation requirements are presented. INDICE: Preface; Glossary and abbreviations; Terms and conventions; 1. Keying, states, and block diagram construction; 2. Common issues and signal characterization; 3. Important details on results from Shannon, Nyquist, and others; 4. Digital amplitude modulation: ASK; 5. Digital frequency modulation: FSK; 6. Digital phase modulation: PSK; 7. Combined digital modulations: QAM and OFDM; 8. Spread spectrum; 9. Wireless propagation and antenna fundamentals; 10. Principles of coding; 11. Multiple access techniques; 12. Signal trade-offs and system evolution; Appendix A. Phasor review; Appendix B. Decibels (dB) really are simple; Appendix C. Analog modulation basics; Appendix D. Quadrature modulation and demodulation principles; Appendix E. Polar modulation and demodulation principles; Appendix F. Derivative-zeroed pulse family; Appendix G. Selected DWC standards and their modulations.
- ISBN: 978-1-107-67409-7
- Editorial: Cambridge University Press
- Encuadernacion: Rústica
- Páginas: 434
- Fecha Publicación: 22/08/2013
- Nº Volúmenes: 1
- Idioma: Inglés