Home > Terms > English, UK (UE) > Direct-sequence spread spectrum (DSSS)
Direct-sequence spread spectrum (DSSS)
Used in WLAN 802. 11 and 802. 11b physical layer, its transmissions multiply a "noise" signal to the data being transmitted. This noise signal is a pseudorandom sequence of 1 and -1 values, at a frequency much higher than that of the original signal, thereby spreading the energy of the original signal into a much wider band.
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- Part of Speech: noun
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- Category: Wireless networking
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