Abstract
In this paper, the effect of applying coordinated multi-point joint transmission (CoMP-JT) in system performance of 5G heterogeneous cloud radio access networks (H-CRANs) is investigated. For this purpose, two simple user-centric and network-centric clustering methods are presented and the amount of obtained CoMP gain in each of these dynamic-formed clusters is evaluated. Network-centric and user-centric clustering approaches are also compared with each other with respect to imposed cell load and system performance metrics through different simulation setups. The results demonstrate that remarkable improvement could be achieved specially by user-centric clustering at the price of higher imposed load and lower energy efficiency disadvantages.
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