Edimax Technology Adaptor Manuale Utente

 

 

13.  What is Spread Spectrum？ 

Spread Spectrum technology is a wideband radio frequency technique developed by the military 

for use in reliable, secure, mission-critical communication systems. It is designed to trade off 

bandwidth efficiency for reliability, integrity, and security. In other words, more bandwidth is 

consumed than in the case of narrowband transmission, but the trade off produces a signal that 

is, in effect, louder and thus easier to detect, provided that the receiver knows the parameters of 

the spread-spectrum signal being broadcast. If a receiver is not tuned to the right frequency, a 

spread –spectrum signal looks like background noise. There are two main alternatives, Direct 

Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS). 

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