Channel hand-off strategies in cellular mobile communication systems
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This paper describes a computer simulation study of a cellular, land-mobile radio communication system with and without frequency hand-off strategies. The authors assume that cell boundary crossings for calls-in-progress exist. In the hand-off procedure, they have studied several strategies where channels are specifically reserved for hand-offs. These strategies have been evaluated in terms of the new-call rejection rate and the rate of premature terminations of calls-in-progress. In a second method the authors have found the additional base station transmitter power required to service all the calls in progress without switching them to new channels. In addition, the cochannel interference introduced by this method has been evaluated and studied as a function of the additional transmission distance, with different partitions of channels, while maintaining a blocking probability of 2% or less.
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