Abstract
Under the signal-strength-based power control scheme, the effect of various microcell cluster locations on the uplink average signal-to-interference ratio (also called carrier-to-interference ratio, or CIR) is studied for the hierarchical code-division multiple-access cellular system with attenuators applied to each microcell base station. On the basis of the interference statistics analysis, the influence of power control errors on the uplink average bit error rate (BER) is also studied under the multipath fading and shadowing. Results show that both central macrocell and microcell uplink CIR are almost unaffected by the variations of microcell cluster locations, and that the uplink average BER is evidently affected by the imperfection of power control and the shadowing standard deviations.
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