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- W2072615273 abstract "Orthogonal frequency division multiplexing (OFDM) is a critical technology in 3G evolution systems, which can effectively avoid intra-cell interference, but may bring with serious inter-cell interference. Inter-cell interference cancellation is one of effective schemes taken in mitigating inter-cell interference, but for many existing schemes in inter-cell interference cancellation, various generalized spatial diversities are taken, which always bring with extra interference and blind spots, or even need to acquire extra information on source and channel. In this paper, a novel inter-cell interference mitigation method is proposed for 3G evolution systems. This method is based on independent component analysis in blind source separation, and the input signal to interference plus noise ratio (SINR) is set as objective function. By generalized eigenvalue decomposition and algorithm iterations, maximum signal noise ratio (SNR) can be obtained in output. On the other hand, this method can be worked with no precise knowledge of source signal and channel information. Performance evaluation shows that such method can mitigate inter-cell interference in a semi-blind state, and effectively improve output SNR with the condition that lower input SINR, higher input SNR and longer lengths of the processing frame." @default.
- W2072615273 created "2016-06-24" @default.
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- W2072615273 date "2009-01-01" @default.
- W2072615273 modified "2023-09-27" @default.
- W2072615273 title "An Inter-Cell Interference Mitigation Method for OFDM-Based Cellular Systems Using Independent Component Analysis" @default.
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- W2072615273 doi "https://doi.org/10.1587/transcom.e92.b.3034" @default.
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