USER EQUIPMENT AND BASE STATION IN CARRIER AGGREGATION SYSTEM, AND CALL ADMISSION CONTROL METHOD FOR USE WITH THE USER EQUIPMENT AND BASE STATION
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United States of America Patent
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Issued Date -
Aug 1, 2019
app pub date -
Apr 14, 2019
filing date -
Apr 14, 2019
priority date (Note) -
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Abstract
Disclosed are user equipment and a base station in a carrier aggregation system, and a call admission method thereof. The user equipment includes a plurality of physical layers, and the base station provides multiple component carriers. When messages for connection setup are transmitted and received between the user equipment and base station, the messages include information about what component carriers are selected by the physical layers, information about what component carriers are selectable by the physical layers, and information about calculations for uplink timing alignment, and call admission control and load balancing is performed based on the information included in the messages. Accordingly, in the carrier aggregation system, quicker call admission and load balancing are achieved.
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