Maximizing the throughput of a mobile radio data system

Any mobile radio data communications system can carry many more messages per hour than a conventional voice system; however, the full potential throughput capacity of a digital system is not generally realized in practice. With high speed (4800 bps) modems, the maximum throughput of a mobile radio data communications system is limited by radio transmit/receive switching time and signal presence detection time. The factors contributing to these times are outlined, and network design approaches which minimize their effect on throughput are described.