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We propose a tunable location-dependent base station (BS) cooperation schemeby partitioning the plane into three regions: the cell centers, cell edges andcell corners. The area fraction of each region is tuned by the cooperationlevel $\gamma$ ranging from 0 to 1. Depending on the region a user resides in,he/she receives no cooperation, two-BS cooperation or three-BS cooperation.Here, we use a Poisson point process (PPP) to model BS locations and study anon-coherent joint transmission scheme, $\textit{i.e.}$, selected BSs jointlyserve one user in the absence of channel state information (CSI). For theproposed scheme, we examine its performance as a function of the cooperationlevel using tools from stochastic geometry. We derive an analytical expressionfor the signal-to-interference ratio (SIR) distribution and its approximationbased on the asymptotic SIR gain, along with the characterization of thenormalized spectral efficiency per BS. Our result suggests that the proposedscheme with a moderate cooperation level can improve the SIR performance whilemaintaining the normalized spectral efficiency.

A Tunable Base Station Cooperation Scheme for Poisson Cellular Networks