Importance

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Abstract

A cell search method is disclosed. In an environment that a plurality of small cells are located around a macro cell, a macro base station may allocate a terminal-specific signal distinguishing a terminal from other terminal to the terminal which establishes a connection with the macro base station, and share information of the terminal-specific signal with a plurality of small cell base stations. When a cell search is triggered, the terminal may transmit the allocated terminal-specific signal, and the plurality of small cell base stations perform measurements on the received terminal-specific signal and then report the measured results to the macro base station. The macro base station may configure a candidate set of small cells for the terminal based on the measurement results reported from the plurality of small cell base stations, and transmit the candidate set to the terminal.

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First Claim