US 12,483,932 B2
Communication control method
Masato Fujishiro, Yokohama (JP); and Henry Chang, San Diego, CA (US)
Assigned to KYOCERA Corporation, Kyoto (JP)
Filed by KYOCERA Corporation, Kyoto (JP)
Filed on Apr. 19, 2023, as Appl. No. 18/303,400.
Application 18/303,400 is a continuation of application No. PCT/JP2021/038145, filed on Oct. 14, 2021.
Claims priority of provisional application 63/093,386, filed on Oct. 19, 2020.
Prior Publication US 2023/0262518 A1, Aug. 17, 2023
Int. Cl. H04W 28/06 (2009.01)
CPC H04W 28/06 (2013.01) 3 Claims
OG exemplary drawing
 
1. A communication control method used in a mobile communication system, the mobile communication system providing a multicast broadcast service (MBS) from a base station to a user equipment, the communication control method comprising:
receiving, by the user equipment, an MBS packet from the base station; and
configuring, by a Packet Data Convergence Protocol (PDCP) entity of the user equipment, based on a PDCP sequence number included in the MBS packet received first from the base station, an initial value of a PDCP variable used for a receive window control, wherein
the PDCP variable is at least one of a first variable and a second variable, the first variable including a sequence number of next PDCP SDU expected to be received, the second variable including a sequence number of the oldest of PDCP SDUs awaiting being received and not yet provided to the higher layer.