Terminal of a code division multiple access cellular...

Details Terminal of a code division multiple access cellular... Terminal of a code division multiple access cellular...

H - Electricity

04

B

H04B 1/707 (2006.01) H04B 7/216 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2176765

A terminal and a method therefor in which only one digital signal processor DSP is utilized, thereby decoding receive data and encoding transmit data in a code division multiple access cellular communication system. The terminal according to the present invention comprises: a DSP for performing a certain program which includes a sub-routine for determining receive data bit rate, and encoding data to be transmitted according to a transmit data rate; a controller for controlling encoding and decoding operations of the DSP; a modulator for modulating data encoded by the DSP; a demodulator for demodulating receive data, thereby to input the demodulated data to the DSP; a speech encoder for encoding speech information to be transmitted, thereby to input the encoded speech information to the controller; and a speech decoder forrestoring data decoded by the DSP.

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