Chapter 8 / 8.15 / 8.15.9

8.15.9 What Are Direct-Sequence Spread Spectrum (DSSS) And Frequency-Hopping Spread Spectrum (FHSS)?

Compare the two principal spread-spectrum techniques. Learn how DSSS spreads information using pseudo-random codes, how FHSS rapidly changes carrier frequency, and where each technique is commonly used.

1. What Is Direct-Sequence Spread Spectrum?
2. How Does DSSS Work?
3. What Is a Chip?
4. What Is Frequency-Hopping Spread Spectrum?
5. How Does FHSS Work?
6. Why Are the Hopping Patterns Pseudo-Random?
7. How Does DSSS Resist Interference?
8. How Does FHSS Resist Interference?
9. Which Technique Is Better Against Jamming?
10. Which Technique Is More Resistant to Interception?
11. Does DSSS Support Multiple Users?
12. Does FHSS Support Multiple Users?
13. Which Is More Complex?
14. Where Is DSSS Used?
15. Where Is FHSS Used?
16. Can DSSS and FHSS Be Combined?
17. What Are the Advantages of DSSS?
18. What Are the Advantages of FHSS?
19. Why Are Both Techniques Important?

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