reverse coding
1.The lx EV-DO Realese A standards is an evolution of the IS-856 of CDMA air interface standards developed specifically for packet data communications, and ulilizes the most advanced coding techniques and some key techniques such as forward link scheduler, reverse link rate control arithematic, reverse link power control arithematic and high level coding technique in order to provide up to 3.1 Mbps peak data rate on the forward link and 1.8 Mbps peak data rate on the reverse link.

