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SpreadSpectrum version 2, including all changes.
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A technique typically used in wireless transmissions. A spread-spectrum transmission offers three main advantages over a fixed-frequency transmission: |
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# Spread-spectrum signals are highly resistant to noise and interference. The process of re-collecting a spread signal spreads out noise and interference, causing them to recede into the background. |
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# Spread-spectrum signals are difficult to intercept. A Frequency-Hop spread-spectrum signal sounds like a momentary noise burst or simply an increase in the background noise for short Frequency-Hop codes on any narrowband receiver except a Frequency-Hop spread-spectrum receiver using the exact same channel sequence as was used by the transmitter. |
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# Spread-spectrum transmissions can share a frequency band with many types of conventional transmissions with minimal interference. The spread-spectrum signals add minimal noise to the narrow-frequency communications, and vice versa. As a result, bandwidth can be utilized more efficiently. |
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See Also: [FHSS] [DSSS] |
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Part of CategoryNetworking, CategoryWireless |
