Bandwidth Re-allocation Depending on Large-Scale Path-Loss for Two Users in Partial Frequency Reuse Cellular Networks

In this paper we apply constrained optimization techniques to optimally allocate bandwidth and transmit power to the users in a cellular network. We utilize partial frequency reuse as inter-cell interference mitigation technique considering two users uniformly located in full and partial frequency reuse regions. Bandwidth and power are allocated to the users based on their large-scale path-loss attenuation. Moreover, an efficient algorithm is used to solve the problem of power assignment for fixed bandwidth allocation when one user is in the full reuse region and one in the partial reuse region. We further demonstrate by simulations that allocation of the bandwidth and power to the users depending on the threshold for large-scale path-loss attenuation, results in a significantly increased sumrate.