SPREAD SPECTRUM
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SPREAD SPECTRUM
![6. 3-2 SPREAD SPECTRUM In spread spectrum (SS), we combine signals from different sources to fit into a larger bandwidth, but our goals are to prevent eavesdropping and jamming. To achieve these goals, spread spectrum techniques add redundancy. ,[object Object],[object Object],Topics discussed in this section:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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SPREAD SPECTRUM
- 1. SPREAD SPECTRUM UNIT 3 PART 2 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
- 4. 6. Figure 3.21 Spread spectrum
- 5. 6. Figure 3.22 Frequency hopping spread spectrum (FHSS)
- 6. 6. Figure 3.23 Frequency selection in FHSS
- 7. 6. Figure 3.24 FHSS cycles
- 8. 6. Figure 3.25 Bandwidth sharing
- 9. 6. Figure 3.26 DSSS
- 12. 6. Figure 3.27 DSSS example
- 13. DS-SS Vs FH-SS PERFORMANCE ISSUES 6.
- 16. Copyright 2005 All Rights Reserved February 2005 Co-location Comparison Date Rate in Mbps
- 17. UNIT - 3 THE END 6.