!!! 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).