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Analytical Modeling of Heterogeneous Cellular Networks by Sayandev Mukherjee

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6  SINR analysis with power control

6.1  Introduction

In Chapters 4 and 5, we analyzed the distribution of the SINR at a user in single-tier and multi-tier deployments, respectively, when all BSs in each tier transmitted with the same, fixed, power. This is a good model for the pilot channels in a system such as LTE, because the pilot channels are used by the UEs to identify BSs, and it makes sense for the power in these pilot channels to be as high as possible all the time. We also know that the distribution of maximum SIR (without selection bias) in an interference-limited deployment is not a function of the (assumed fixed) transmit powers in the tiers if either (i) there is a single tier (see (4.74)), or (ii) the path-loss exponents are the ...

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