HEADER COMPRESSION HANDLING DURING HANDOVER

    公开(公告)号:US20210321294A1

    公开(公告)日:2021-10-14

    申请号:US17354977

    申请日:2021-06-22

    Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, handling header compression in scenarios with concurrent connections, such as make-before-break (MBB) handover or dual connectivity (DC) scenarios. A method of wireless communication performed by a user equipment (UE) can include concurrently communicating with a first base station (BS) on a connection with the first BS and with a second BS on a connection with the second BS during a handover procedure. The UE maintains a context for a header compression protocol for the connection with the first BS and the connection with the second BS. The concurrently communicating includes using the header compression protocol context for sending one or more packets, receiving one or more packets, or both.

    USER EQUIPMENT TO NETWORK RELAY
    104.
    发明申请

    公开(公告)号:US20210243829A1

    公开(公告)日:2021-08-05

    申请号:US17248476

    申请日:2021-01-26

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a remote user equipment (UE) may establish, via a sidelink signaling interface, a unicast link between the remote UE and a relay UE; establish a connection with a base station via the relay UE, wherein a message associated with establishing the connection is communicated via the unicast link; establish one or more bearers based at least in part on a radio bearer configuration received from the base station via the connection; establish, with the relay UE, one or more sidelink access stratum entities for the one or more bearers using one or more sidelink radio resource control messages based at least in part on an access stratum configuration received from the base station via the connection; and receive or transmit control-plane or user-plane traffic via the one or more bearers.

    CONDITIONAL PROCEDURES FOR ADDING AND/OR CHANGING A SECONDARY NODE (SN)

    公开(公告)号:US20210105681A1

    公开(公告)日:2021-04-08

    申请号:US17062230

    申请日:2020-10-02

    Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to procedures for supporting conditional new radio (NR) secondary node (SN) addition and change by reusing conditional handover (CHO) procedures. In some aspects, the procedures include a method for wireless communications by a master node (MN), comprising identifying a set of candidate cells for a conditional addition or change as an SN for a UE based on execution criteria, and signaling configuration information regarding the set of candidate cells to the UE.

    CARRIER AGGREGATION (CA) CONFIGURATION DURING DUAL-ACTIVE-PROTOCOL STACK (DAPS) HANDOVER (HO)

    公开(公告)号:US20210105676A1

    公开(公告)日:2021-04-08

    申请号:US17061518

    申请日:2020-10-01

    Abstract: Certain aspects of the present disclosure are directed to a method for wireless communication. The method generally includes receiving a message for dual-active-protocol stack (DAPs) handover (HO) from a source network entity to a target network entity, wherein carrier-aggregation (CA) is configured with the source network entity prior to reception of the message for HO, deactivating the CA in response to reception of the message for handover (HO) to activate a single carrier mode with the source network entity, and performing the HO from the source network entity to the target network entity during a HO period, wherein the single carrier mode is maintained with the source network entity during at least a portion of the HO period, and wherein connection with the target network entity is maintained during the at least the portion of the HO period.

    LOSS-LESS TRANSMISSION FOR UNACKNOWLEDGED MODE (UM) DATA RADIO BEARER (DRB)

    公开(公告)号:US20210014924A1

    公开(公告)日:2021-01-14

    申请号:US16920199

    申请日:2020-07-02

    Abstract: Disclosed are techniques for wireless communication. In an aspect, a packet data convergence protocol (PDCP) entity of a receiver device receives, from a radio link control (RLC) entity of the receiver device, a plurality of RLC data packets received from a transmitter device over an RLC unacknowledged mode (UM) data radio bearer (DRB) or RLC transparent mode (TM) DRB. The PDCP entity generates a plurality of PDCP data packets corresponding to the plurality of RLC data packets. The receiver device determines to send a PDCP status report indicating a reception status at the receiver device of the plurality of PDCP data packets and transmits the PDCP status report to a PDCP entity of the transmitter device. The receiver device receives, in response to sending the PDCP status report, one or more PDCP data packets of the plurality of PDCP data packets that were not successfully received at the receiver device.

    PERFORMING A COMBINATION OF HANDOVER TECHNIQUES

    公开(公告)号:US20200022035A1

    公开(公告)日:2020-01-16

    申请号:US16450771

    申请日:2019-06-24

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a source base station (BS), an indication that the UE is to perform a conditional handover from the source BS to a target BS and is to perform at least one of: a two protocol stack handover from the source BS to the target BS or a dual connectivity handover from the source BS to the target BS. The UE may perform the conditional handover and at least one of the two protocol stack handover or the dual connectivity handover based at least in part on the indication. Numerous other aspects are provided.

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