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Methods for Over-the-Air Blind Synchronization of Two OFDMA-Based Networks that Minimizes Interference and By Using an Extended Correlation Window Length
Methods for Over-the-Air Blind Synchronization of Two OFDMA-Based Networks that Minimizes Interference and By Using an Extended Correlation Window Length
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机译:两个基于OFDMA的网络的空中盲同步方法,可最大程度地减少干扰并使用扩展的相关窗口长度
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摘要
Synchronization of a macrocell network with one of its sub networks (e.g., a femtocell network, a microcell network) is important for reducing the level of inter-carrier interference (ICI) that exists between the uplink users of a macrocell network and the sub-network. Even though blind synchronization techniques based on single-user signal conditions are known, the signal models are ineffective in multiuser scenarios and do not provide for reducing ICI effects. A blind synchronization method is disclosed which reduces ICI for sub network communications. Additionally, a method is disclosed which accurately and blindly synchronizes to the first user using an extended correlation window.
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