Wireless communications system using random access procedure
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United States of America Patent
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Aug 28, 2018
Grant Date -
Jan 18, 2018
app pub date -
Sep 25, 2017
filing date -
Apr 9, 2015
priority date (Note) -
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Abstract
A wireless communications system includes a first wireless apparatus; and a second wireless apparatus. In a case of receiving from the second wireless apparatus, a random access preamble in an initial access of the second wireless apparatus to a first cell of the first wireless apparatus, the first wireless apparatus transmits a response signal for the random access preamble, the response signal including an instruction to change a connected cell to a cell different from the first cell. The second wireless apparatus transmits based on the instruction included in the response signal transmitted from the first wireless apparatus, a random access preamble in an initial access to a second cell different from the first cell.
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