C. C. Chan

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Nowadays, cellular phone is becoming an important mobile wireless communication means, especially in metropolitan areas. One of the important operating considerations of cellular phone service providers is to maintain good speech quality of the cellular phone network. Subjective evaluation by repeated listening tests at various sites within the coverage(More)
In our paper, we present a heuristic method for maximizing the utilization of a survivable multi-ring DWDM network without wavelength conversion. We assume that the network is supporting packet and circuit based services simultaneously. The idea is that we can provide ample bandwidth or even dedicated channels to packet based services by sharing the(More)
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