Methods for a user equipment device to request mac messages from a base station

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11632700
APP PUB NO 20210368404A1
SERIAL NO

17398738

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Importance

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Abstract

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In order to perform a RACH-less handover from a source base station to a target base station, a UE device generates a request that the target base station is to send a Media Access Control (MAC) message to the UE device. The request can be sent with a Radio Resource Control (RRC) Connection Reconfiguration Complete message. Alternatively, an RRC message sent from a UE device functions as an implicit request that the target base station is to send a MAC message to the UE device. The request can also be configured to specify a particular MAC Control Element that the target base station should send. The target base station transmits the requested MAC message, along with TA information, if required. The UE device determines when the handover has been completed, based at least partially on when the requested MAC message is received from the target base station.

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Patent Owner(s)

Patent OwnerAddress
KYOCERA CORPORATION6 TAKEDA TOBADONO-CHO FUSHIMI-KU KYOTO-SHI KYOTO 612-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Comstock, David San Diego, US 55 448

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