Abstract: A method and apparatus for hybrid automatic retransmission request (HARQ) is provided. The method is performed by a first UE. The method includes receiving, from a NodeB, an acknowledge configuration indicating an HARQ scheme of the first UE and uplink resource for the HARQ scheme; determining whether an acknowledgement for a data block associated with a first downlink control information (DCI) is to be transmitted according to the HARQ scheme.

Abstract: A transceiver can transmit a broadcasted system information message including a restricted operator service access indication from a serving cell of a network. A controller can perform a radio resource control connection establishment procedure to receive an attach request message.

Abstract: A method and apparatus are provided, in which a service link path delay relative to a first leg of a communication path of a communication between the user equipment and a network entity via a relay entity is estimated (602), where the first leg corresponds to a portion of the communication path between the user equipment and the relay entity. A feeder link path delay relative to a second leg of the communication path is determined (604), where the second leg corresponds to a portion of the communication path between the relay entity and the network entity, based upon at least a received signaling indication. A timing advance value is calculated (606), based upon the service link path delay and the feeder link path delay. An uplink transmission timing of the user equipment is adjusted (608), based upon the calculated timing advance value.

Abstract: A method and apparatus are provided, which include transmitting to a user equipment via an access stratum signaling an indication as to whether network slice selection assistance information is required as part of radio connection establishment or resumption signaling, and receiving the network slice selection assistance information. A determination is then made as to whether to accept or to reject a radio resource control connection establishment or resumption based on the received network slice selection assistance information.

Abstract: For switching between packet duplication operating modes, methods, apparatus, and systems are disclosed. One apparatus includes a processor and a transceiver that communicates with a mobile communication network via a radio bearer. The processor determines whether PDCP packet duplication associated with the PDCP protocol entity is to be activated and, if so, communicates with a mobile communication network according to a packet duplication mode of operation. Otherwise, the processor determines whether a split threshold value of the PDCP protocol entity is set to a predefined value, communicates with the mobile communication network according to a first split bearer mode of operation in response to determining that the split threshold value is set to the predefined value, and communicates with the mobile communication network according to a second split bearer mode of operation in response to determining that the split threshold value is not set to the predefined value.

Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving information for configuring a trigger condition that an integrated access and backhaul node reports load information of at least one integrated access and backhaul node; and reporting the load information of the at least one integrated access and backhaul node in the case that the trigger condition is met, wherein the load information includes a load status indicator of the integrated access and backhaul node.

Abstract: An uplink transmission can be received in an allocated slot on a first serving cell of a base station, the allocated slot on the first serving cell overlapping with multiple slots on a second serving cell of the apparatus. A first power headroom report can be received for the allocated slot on the first serving cell. A second power headroom report can be received for the second serving cell, where the second power headroom report is for a first slot of the multiple overlapping slots on the second serving cell that fully overlaps with the allocated slot on the first serving cell. The first power headroom report and the second power headroom report can be received in the uplink transmission in the allocated slot on the first serving cell. The first power headroom report and the second power headroom report can be Type 1 power headroom reports.

Abstract: A SS of a SS block of a SS burst set can be received. A measurement can be performed at least on the received SS of the SS block. A PBCH of the SS block that can include a first portion and a second portion of the PBCH can be received. The first portion can carry at least a part of minimum system information. The second portion can carry timing information. The timing information can include information including at least an indication of a SS block index of the SS block within the SS burst set. The SS block index can be determined. A measurement report that can include a measurement quantity from the measurement on the received SS of the SS block and that can include the determined SS block index can be transmitted.

Abstract: An apparatus, which includes a processor, and a memory coupled to the processor, is provided. The processor is configured to cause the apparatus to apply a first security key for a first cell group, wherein a first medium access control (MAC) entity of the apparatus is associated with the first cell group; and apply a second security key for a second cell group, wherein a second MAC entity of the apparatus is associated with the second cell group. The processor if further configured to receive a second reconfiguration message indicating a counter including a value for deriving at least in part a third security key for the second cell group; and apply the derived third security key for the second cell group, wherein the apparatus continues to use the first security key for the first cell group, and wherein the first MAC entity is not reset.

Abstract: Embodiment of the present application is directed to a method and apparatus for target IAB node selection. According to an embodiment of the present application, the method includes receiving hop number information and end-to-end link quality information associated with a plurality of IAB nodes, wherein the plurality of IAB nodes include serving IAB nodes of an IAB node and at least one neighbor IAB node of the IAB node, and each of the serving IAB nodes and the at least one neighbor IAB node is associated with at least one active route. The method may further include reporting end-to-end link quality information associated with each of the at least one neighbor IAB node.

Abstract: A transceiver can transmit a broadcasted system information message including a restricted operator service access indication from a serving cell of a network. A controller can perform a radio resource control connection establishment procedure to receive an attach request message. The radio resource control connection establishment procedure can be for the restricted operator service access and can include receiving a RRCConnectionSetupComplete message from a mobile equipment to the network.

Abstract: Broadcasted minimum system information comprising information for initial access to a cell can be received. A random access message, including a request for non-minimum system information, of a random access procedure can be transmitted. The random access message can comprise a random access preamble associated with requesting the non-minimum system information. The non-minimum system information can be excluded from the broadcasted minimum system information. A random access response message can be received in response to the request for the non-minimum system information. The random access response message can include only a MAC subheader with a RAPID.

Abstract: A method and apparatus are provided, in which a configuration including a number of symbols for delaying monitoring a physical downlink control channel (PDCCH) in a search space set associated with each of at least one type of physical random access channel (PRACH) occasions is determined (202). A PRACH preamble is transmitted (204) in a PRACH occasion for an identified type of PRACH occasion. In response to the transmission of the PRACH preamble in the PRACH, the PDCCH is monitored (206) for a random access response in the search space set associated with a control resource set (CORESET) during a window, wherein the window starts at a first symbol of the earliest CORESET that the user equipment is configured to receive the PDCCH that is at least the configured number of symbols for the identified type of PRACH occasion after the last symbol of the PRACH occasion.

Abstract: A first configuration of a first set of random access channel occasions can be transmitted in a handover command message from a first cell. A second configuration of a second set of random access channel occasions of a second cell can be transmitted. The second set of random access channel occasions can be different from the first set of random access channel occasions. System information of the second cell can include the second configuration of the second set of random access channel occasions. A random access channel preamble can be received on a random access channel occasion. At least one selected from the first set of random access channel occasions and the second set of random access channel occasions can include the random access channel occasion. The first cell can be different from the second cell.

Abstract: A method and apparatus provides for receiving a first connection reconfiguration message to configure at least one split bearer with a first logicalchannelidentity, terminated in the second cell group. A first security key for communication with the first cell group and a second security key for communication with the second cell group are applied. A second connection reconfiguration message is received, the second connection reconfiguration message including a counter having a count value for deriving a third security key for communication with the second cell group, wherein the third security key that was derived for communication with the second cell group is based on the count value of the received counter. The third security key is applied for communication with the second cell group, while continuing to use the first security key and the first MAC entity for communication with the first cell group, where continuing to use the first MAC entity includes not resetting the first MAC entity.

Abstract: Various aspects of the present disclosure relate to a UE that receives a group RRC release message that is based on a group mobility configuration, the group RRC release message intended for communication to a group of multiple UEs. The UE can switch to a RRC inactive state based in part on a determination that a RRC connection suspend configuration directed to the UE is included in the group RRC release message. The UE can switch to a RRC idle state based in part on a determination that the RRC connection suspend configuration is not included in the group RRC release message. A network entity can generate the group RRC release message with the group mobility configuration, and the group RRC release message is intended for communication to the group of multiple UEs. The network entity can then transmit the group RRC release message to the group of multiple UEs.

Abstract: Embodiments of the present application relate to a method and an apparatus for for master cell group (MCG) link recover considering conditional handover (CHO) and listen before talk (LBT). According to an embodiment of the present application, a method can include: receiving MCG link recovery configuration information; in response to a RLF in a MCG, starting a first timer associated with a fast MCG link recovery procedure and transmitting MCG failure information including a failure type, wherein the failure type indicates that the RLF in the MCG is due to one of: an out-of-sync timer expires; a random access problem occurs; a maximum number of retransmissions has been reached; and a consistent uplink LBT failure is detected. Embodiments of the present application can define the UE behavior for the fast MCG link recovery when considering CHO and LBT.

Abstract: A method and apparatus send and receive information on a wireless network. A user equipment can establish a radio resource control connection with a wireless wide area network base station to enter a radio resource control connected state. The user equipment can send an uplink grant request message using a predefined dedicated random access channel preamble while in the radio resource control connected state. The user equipment can receive an uplink grant from the base station. The user equipment can transmit a radio resource control message in response to receiving the uplink grant.

Abstract: Various aspects of the present disclosure relate to generating a notification that instructs a user equipment (UE) to perform a configured grant-small data transmission (CG-SDT) action to cause CG-SDT resources of the UE to be released. A base station generates a notification with an instruction to perform a CG-SDT action and communicates the notification to a UE. The UE receives the instruction and performs the CG-SDT action to release CG-SDT resources allocated to the UE while the UE is in an inactive state.

Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: transmitting, at an access node, a failure information message to a base station, wherein the access node is connected to the base station via a master node and a secondary node, and wherein the failure information message includes a failure type of a backhaul link. The failure type is based on a failure type set including at least the following: an expiry of a physical layer problem timer, a random access problem, and reaching a maximum number of retransmission in response to radio link failure (RLF).