Direct Sequence Spread Spectrum
Direct Sequence Spread Spectrum (DSSS) is a modulation technique used in wireless communication systems to enhance signal robustness, security, and resistance to interference. It works by spreading the original data signal over a much larger bandwidth using a high-rate pseudo-random noise sequence (chipping code). DSSS is widely applied in technologies such as Wi-Fi (802.11b), GPS, and Code Divi..