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The spectrum efficiency in cellular radio systems can be measured by a parameter that is called radio capacity. Using radio capacity, it is shown that splitting analog channels does not increase the spectrum efficiency in cellular radio systems, but that using digital cellular channels does. A simple evaluation method for judging spectrum efficiency in different digital systems is introduced. Also, several new concepts of spectrum efficiency in cellular radio systems are described.>
W.C.Y. Lee (Mon,) studied this question.
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