http://telcojournal.wordpress.com Care For Telecommunication World Fri, 20 Jul 2007 02:45:19 +0000 en hourly 1 http://wordpress.com/ http://s2.wp.com/i/buttonw-com.png http://telcojournal.wordpress.com http://telcojournal.wordpress.com/2007/07/17/call-drop-in-cdma/ http://telcojournal.wordpress.com/2007/07/17/call-drop-in-cdma/#comments Tue, 17 Jul 2007 09:29:58 +0000 telcojournal http://telcojournal.wordpress.com/2007/07/17/call-drop-in-cdma/ ]]> CDMA (Code Division Multiple Access) is a form of multiplexing and a method of multiple access that divides up a radio channel not by time (as in time division multiple access), nor by frequency (as in frequency-division multiple access), but instead by using different pseudo-random code sequences for each user. CDMA is a form of “spread-spectrum” signaling, since the modulated coded signal has a much higher bandwidth than the data being communicated.

]]> http://telcojournal.wordpress.com/2007/07/17/call-drop-in-cdma/feed/ 0 telcojournal