Terminal apparatus and retransmission control method
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United States of America Patent
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Dec 26, 2017
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N/A
app pub date -
May 17, 2016
filing date -
Apr 21, 2009
priority date (Note) -
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Abstract
A terminal apparatus and retransmission control method reduces overhead of the uplink control channel in cases when ARQ is applied in communication that uses an uplink unit band and a plurality of downlink unit bands associated with the uplink unit band. A first condition is set in which downlink assignment control information is transmitted from a base station by a unit band group which comprises a basic unit band, which is the downlink unit band on which a broadcast channel signal including information relating to the uplink unit band is transmitted, and a second downlink unit band other than the basic unit band. A bundling unit will not transmit a response signal to the base station in certain cases.
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