Computer Science – Networking and Internet Architecture
Scientific paper
2010-11-12
Computer Science
Networking and Internet Architecture
20 pages, 10 figures, accepted by International Journal of Communication Systems(IJCS)
Scientific paper
Interference matrix (IM) has been widely used in frequency planning/optimization of cellular systems because it describes the interaction between any two cells. IM is generated from the source data gathered from the cellular system, either mobile measurement reports (MMRs) or drive test (DT) records. IM accuracy is not satisfactory since neither MMRs nor DT records contain complete information on interference and traffic distribution. In this paper, two IM generation algorithms based on source data fusion are proposed. Data fusion in one algorithm is to reinforce MMRs data, using the frequency-domain information of DT data from the same region. Data fusion in another algorithm is to reshape DT data, using the traffic distribution information extracted from MMRs from the same region. The fused data contains more complete information so that more accurate IM can be obtained. Simulation results have validated this conclusion.
Hua Cunqing
Huang Aiping
Qian Jun
Wu Zhouyun
Zhou Haojie
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