The Minimum Coupling Loss (MCL) is an important parameter when designing the characteristies of a new mobile communications system. In this paper a method for evaluation of the MCL in the UMTSDMT-2000 reference scenarios specilied by ETSI is presented. Furthermore some results are given for respective maximum subscriber densities in terms of maximum spectral efeciency for the speech service.

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In this paper the results of a spectral compatibility investigation is presented. The mutual interference situations between the different UTRA-modes and between UTRA-FDD and PHS are described in detail for different scenarios. Some values for the ACIR (Adjacent Channel Interference Ratio) are obtained as a function of the power control gain. Finally, the results of system-level simulations using the monte-carlo technique are given.

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