Abstract
Digital cellular mobile radio communication techniques is an area of wide public acceptance. This paper looks onto the performance of packet reservation multiple access (PRMA) protocol for the transmission of digital speech packets from mobile speech sources. Packets from active speech sources contend for access to a channel time slot. Computer simulations were done to study the performance of the protocol and to determine the capacity of channels having different bandwidth and frame size. Computer simulations were done to study PRMA protocol and its performance when applied in different second generation networks like GSM, USDC/IS-54, PDC, DECT etc. It is observed that PRMA increases system capacity significantly if mobile terminal's data transmission rate can be reduced to a figure as low as 8 kbps or lower than that.
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