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In heterogeneous networks, a severe downlink interference from femtocells should be controlled centrally to increase the performance requirement of macrocell users. This paper proposes a power control mechanism for interference mitigation in a mobility environment where macrocells and femtocells are co-located together. The key benefits of this scheme is to achieve higher performance for non closed...
Femtocell networks, consisting of a conventional macro cellular deployment and overlaying femtocells, forming a hierarchical cell structure, constitute an attractive solution to improving the macrocell capacity and coverage. However, the inter- and intra-tier interferences in such systems can significantly reduce the capacity and cause an unacceptably high level of outage. This paper treats the uplink...
Significant areal capacity gains and improved cellular coverage can be achieved by hierarchical deployment of Femto Access Points (FAP) over an existing cellular network. However, the introduction of FAPs, which use the same spectrum as the cellular network, can cause severe interference to network and drive users into outage. In order to resolve this issue, advanced interference mitigation (IM) techniques...
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