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dc.contributor.authorLu, Ssu-Hanen_US
dc.contributor.authorLai, Wen-Pinen_US
dc.contributor.authorWang, Li-Chunen_US
dc.date.accessioned2015-07-21T08:30:55Z-
dc.date.available2015-07-21T08:30:55Z-
dc.date.issued2014-01-01en_US
dc.identifier.isbn978-1-63190-025-9en_US
dc.identifier.issnen_US
dc.identifier.urihttp://dx.doi.org/10.4108/icst.qshine.2014.256258en_US
dc.identifier.urihttp://hdl.handle.net/11536/125112-
dc.description.abstractIn this paper, we present an interference-aware slot allocation technique to improve system performance of the hierarchical picocell/macrocell system, where low-power picocells are underlying a high-power macrocell. Although a hierarchical picocell/macrocell system can improve capacity, it also poses a challenging inter-cell interference (ICI) issue. To control the ICI between pico-cells and macro-cells, one enhanced intercell interference coordination (eICIC) technique, called almost blank subframes (ABS), was proposed in the 3rd Generation Partnership Project (3GPP) Long-Term Evolution-Advanced (LTE-A) system. Nevertheless, the current ABS mechanism in 3GPP only defines the fixed ABS ratio, which is not very spectrum efficient and can affect the macrocellular system performance. In this paper, we propose an interference-aware ABS ratio adaptation technique to enhance the total spectrum efficiency of the hierarchical picocell/macrocell system. Compared with the current fixed ABS ratio approach, the proposed method can improve the spectral efficiency of pico-cells and macro-cells by 13% and 7% at the cell edge, respectively.en_US
dc.language.isoen_USen_US
dc.titleTime Domain Coordination for Inter-cell Interference Reduction in LTE Hierarchical Cellular Systemsen_US
dc.typeProceedings Paperen_US
dc.identifier.doi10.4108/icst.qshine.2014.256258en_US
dc.identifier.journal2014 10TH INTERNATIONAL CONFERENCE ON HETEROGENEOUS NETWORKING FOR QUALITY, RELIABILITY, SECURITY AND ROBUSTNESS (QSHINE)en_US
dc.citation.spage51en_US
dc.citation.epage55en_US
dc.contributor.department交大名義發表zh_TW
dc.contributor.departmentNational Chiao Tung Universityen_US
dc.identifier.wosnumberWOS:000352493900009en_US
dc.citation.woscount0en_US
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