Wireless and Mobile Communications

Volume 277 of the series The Springer International Series in Engineering and Computer Science pp 225-241

Design and Performance Analysis Of Algorithms for Channel Allocation in Cellular Networks

  • Dragomir D. DimitrijevicAffiliated withGTE Laboratories Incorporated
  • , Jelena F. VuceticAffiliated withGTE Laboratories Incorporated

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In this paper we consider the problem of dynamic channel allocation in cellular networks. Each cell can use any channel, subject to the interference constraints. Channel allocation algorithms are executed by the network switch in a centralized way. We show how to generally design and use objective functions aimed at proper channel allocation and improvement of network performance. As a figure of merit of network performance, we consider the blocking probability in the network as a whole, and the maximum blocking probability in any particular cell of the network (“hot-spot” in the network). We designed three specific channel allocation policies, based on three different objective functions. Compared with two other benchmark policies, our approach shows significant improvement.