Importance

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Abstract

In a CDMA based wireless digital communications system, a CDMA communications station. A CDMA communications station includes a signal encoder adapted to encode signaling information into a signaling packet. A voice encoder is also included to encode voice information at a variable data rate and process the voice information into a voice packet. A multiplexer is coupled to receive the voice packet from the voice encoder and coupled to receive the signaling packet from the signal encoder. The multiplexer combines the voice packet and the signaling packet into a traffic frame. A transmitter is coupled to the multiplexer for transmitting the traffic frame as received from the multiplexer. The multiplexer is further coupled to receive an early data rate indication from the voice encoder such that the multiplexer is able to preconfigure the traffic frame for the variable data rate voice packet to be delivered once the processing of the voice encoder is complete. This allows the traffic frame to be sent to the transmitter for transmission immediately upon reception of the voice packet from the voice encoder, thereby reducing the latency of the digital communications system.

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First Claim