Spread-spectrum communications
D. Campana, Phil Quinn · IEEE Potentials · 1993
The characteristics of spread-spectrum systems that account for their growing use are examined. They offer low probability of intercept, signal hiding, and jammer rejection. Spread spectrum also provides a measure of immunity to multipath interference and multiple access capability, making it ideal for radar, telephone, local area networks, and many other applications. The two primary techniques commonly used frequency hopping and direct sequence, are described along with their advantages and disadvantages.>