DSSS – direct-sequence spread spectrum

Direct-sequence spread spectrum (DSSS) is one of two types of spread spectrum radio, the other being frequency-hopping spread spectrum.

DSSS Transmission

DSSS is a transmission technology used in LAWN transmissions where a data signal at the sending station is combined with a higher data rate bit sequence, or chipping code, that divides the user data according to a spreading ratio. The chipping code is a redundant bit pattern for each bit that is transmitted, which increases the signal’s resistance to interference.

If one or more bits in the pattern are damaged during transmission, the original data can be recovered due to the redundancy of the transmission.

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