LTE-A present deployment strategies are likely to overcome the User Equipment\n(UE) performance degradation, in certain parts of the topology incorporated\nwith coverage block holes, due to the presence of high rise buildings.\nIt also promises to serve the increase of high user density, which otherwise\nresults in capacity exhaustion of the macro cells. LTE-A addresses these challenges\nwith new features such as small cell and femto cell in its recent releases.\nSmall cell is a low-cost alternative to macro cell in rural and hard-to-reach\nareas and its installation at strategic points overcomes the capacity and coverage\nproblem. In contrast, Heterogeneous network with its ubiquitous coverage\ncan deliver high-speed data. In this paper, several LTE Key performance indicators\ne.g. average UE throughput, average area throughput, spectral efficiency,\nfairness index are analyzed between small cell network and Heterogeneous\nnetwork in close loop spatial multiplexing mode (CLSM). Besides, we also\nemphasize on the point to find out the best suited network architecture for\noverpopulated and densely urban region under proportional fair scheduling\nalgorithm.
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