Chapter 8 / 8.15 / 8.15.8

8.15.8 What Is Spread Spectrum And Why Was It Developed?

Discover why engineers deliberately spread signals over bandwidths much larger than necessary. Learn how spread-spectrum techniques improve resistance to interference, jamming, interception, and multipath propagation while supporting multiple-access operation.

1. What Is Spread Spectrum?
2. Why Is It Called Spread Spectrum?
3. Why Would Engineers Intentionally Use More Bandwidth?
4. How Does Spread Spectrum Work?
5. What Is a Spreading Code?
6. What Is a Pseudo-Random Sequence?
7. What Is Processing Gain?
8. Why Does Spread Spectrum Resist Interference?
9. Why Is Spread Spectrum Resistant to Jamming?
10. Why Is Spread Spectrum Difficult to Intercept?
11. Does Spread Spectrum Improve Multipath Performance?
12. Does Spread Spectrum Increase Capacity?
13. Where Is Spread Spectrum Used?
14. Are There Different Types of Spread Spectrum?
15. What Are the Advantages of Spread Spectrum?
16. What Are the Disadvantages?
17. Why Was Spread Spectrum Such an Important Development?

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