Terminal of a code division multiple access cellular communicati

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

1996-06-28

1998-08-04

Vo, Don N.

Pulse or digital communications

Transceivers

375341, 371 437, 370342, 455425, H04B 138

Patent

active

057905924

ABSTRACT:
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 executing a 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 for restoring data decoded by the DSP.

REFERENCES:
patent: 5436942 (1995-07-01), Cheng et al.
patent: 5546420 (1996-08-01), Seshadri et al.
patent: 5566206 (1996-10-01), Butler et al.

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