METHODS AND APPARATUSES FOR BEARER RELEASE AND INFORMATION EXCHANGE ON THE F1 -INTERFACE

WIPO Patent Application WO/2018/232399

A3

A base station distributed unit receives packet data convergence protocol, PDCP, packets of a radio bearer. The base station distributed unit transmits, to a wireless device, the PDCP packets via the radio bearer. The base station distributed unit initiates a bearer release procedure comprising transmitting, to a base station central unit, a first message comprising a first data radio bearer identifier of the radio bearer to be released. The base station distributed unit receives, from the base station central unit, a second message confirming release of the radio bearer by the base station central unit. The base station distributed unit receives, from the base station central unit, a radio resource control message for the wireless device. The radio resource control message comprises the first data radio bearer identifier. The base station distributed unit transmits, to the wireless device, the radio resource control message.

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WO/2020/091047	TERMINAL DEVICE, BASE STATION DEVICE, AND METHOD
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PARK KYUNGMIN (US)
DINAN ESMAEL (US)
BABAEI ALIREZA (US)
JEON HYOUNGSUK (US)

PCT/US2018/038078

January 31, 2019

June 18, 2018

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PARK KYUNGMIN (US)
DINAN ESMAEL (US)
BABAEI ALIREZA (US)
JEON HYOUNGSUK (US)

H04W76/34; H04W88/08

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GROSSMAN, David et al. (US)

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