APPARATUS AND METHOD FOR SEARCHING NEIGHBOR CELLS OF SMALL CELL BASE STATION
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United States of America Patent
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Issued Date -
Jul 25, 2013
app pub date -
Jan 20, 2012
filing date -
Jan 20, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
When a first synchronization signals are measured to search neighbor cells, at least one of (i) a mute control of a second synchronization signal of the small cell base station and transmission of the second synchronization signal with the mute control to a downlink, and (ii) a downlink scheduling restriction of PDSCH data is performed. When PBCH information is acquired to search neighbor cells having the same frequency, PDSCH data are not transmitted to designated RBs of a downlink subframe by restricting downlink scheduling. At this time, when acquiring PDSCH and PDCCH information and measuring RSRP and RSRQ, it is possible not to transmit the PDSCH data to all the RBs of a downlink subframe by restricting downlink scheduling. In this way, muting and scheduling during downlink transmission can be controlled by measuring the amount of interference of the small cell base station.
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