!!! Different types of Spread Spectrum encoding

*[FHSS]:Frequency Hopping Spread Spectrum

*[DSSS]:Direct Sequence Spread Spectrum

*[CDMA]:Code Division Multiple Access



!!! Other (non SS) encoding techniques

*[TDMA]:Time Division Multiple Access

*[FDMA]:Frequency Division Multiple Access



For information on different types of modulation used in mobile phones, see (http://wireless.java.sun.com/getstart/articles/radio/ this page on Sun's website).