Method for performing reflective quality of service in wireless communication system and a device therefor
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United States of America Patent
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May 24, 2022
Grant Date -
May 14, 2020
app pub date -
Sep 18, 2018
filing date -
Sep 18, 2017
priority date (Note) -
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Abstract
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing reflective Quality of Service (QoS) in wireless communication system, the method comprising: receiving a DL PDU with a QoS flow ID via a DL DRB identified by a first DRB ID from a network; determining whether or not to update UL QoS flow to DRB mapping rule according to a value of the QoS flow ID; and transmitting UL data via a UL DRB mapped to QoS flow ID of the UL data based on the UL QoS flow to DRB mapping rule, wherein if the QoS flow ID is not a specific value but a first QoS flow ID, the UL QoS flow to DRB mapping rule is updated such that a UL DRB mapped to the first QoS flow ID is changed to a UL DRB identified by the first DRB ID, and wherein if the QoS flow ID is the specific value, the UE doesn't update the UL QoS flow to DRB mapping rule.
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