Chapter 8 / 8.15 / 8.15.4

8.15.4 What Is Code-Division Multiple Access (CDMA)?

Discover how CDMA allows many users to transmit simultaneously over the same frequency band using unique spreading codes. Learn about processing gain, spreading sequences, the near-far problem, power control, and why CDMA represented a major advance in mobile communications.

1. What Is Code-Division Multiple Access?
2. Why Is It Called Code-Division Multiple Access?
3. What Is Spread Spectrum?
4. How Does CDMA Work?
5. What Is a Chip?
6. What Is a Spreading Code?
7. What Types of Codes Are Used?
8. What Is Processing Gain?
9. Why Can Many Users Share the Same Frequency?
10. Is There Any Interference?
11. What Is the Near-Far Problem?
12. How Is the Near-Far Problem Solved?
13. Why Is Power Control So Important?
14. What Is a RAKE Receiver?
15. Why Is Multipath Helpful?
16. Where Was CDMA Used?
17. What Are the Advantages of CDMA?
18. What Are the Disadvantages?
19. Is CDMA Still Used Today?
20. Why Was CDMA Such a Major Advance?

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