Abstract: It is provided a method, comprising monitoring if an assignment packet is received by a new node from a parent node; setting, if the assignment packet is received, a new value of an identifier for determining if a first packet of a first layer protocol is intended for the new node; wherein the assignment packet comprises the new value of the identifier; the assignment packet is a packet of the first layer protocol; the assignment packet comprises a header of the first layer protocol.

Abstract: An apparatus comprising at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured, with the at least one processor, to cause the apparatus at least to support for a determined period at least one hop within a multi-hop self-backhaul communications, wherein the determined period comprises: a first part within which information for controlling dynamic allocation between backhaul and access links within resource slots is passed between the apparatus and at least one further apparatus in the multi-hop self-backhaul communications; and a second part within which a dynamic slot pattern is implemented based on the information for controlling dynamic allocation between backhaul and access links within resource slots is passed between the apparatus and at least one further apparatus in the multi-hop self-backhaul communications.

Abstract: Embodiments of the disclosure provide a method, device and computer readable medium for centralized unit switch. According to embodiments of the present disclosure, the DU transmits identity information of a target CU/DU to the source CU for the CU switch. The target CU does not need to initiate context setup procedure to set up context for the terminal device. Thus, the switch is implemented with minimized signaling and interruption in the data connection and the switched is completed faster by avoiding the unnecessary F1 AP context setup.

Abstract: This document discloses a solution for selecting a frequency channel for a service. According to an aspect, a method comprises: receiving, by a first access node of a first wireless network, a scanning message comprising at least one information element indicating a channel access limit for a frequency channel operated by a second access node of a second wireless network; selecting, by the first access node on the basis of the at least one information element, the frequency channel or another frequency channel for an ultra-reliable low-latency (URLLC) service provided by the apparatus; and upon selecting the frequency channel for the URLLC service, causing by the first access node transmission of frames of the service within channel access limits indicated by the at least one information element.

Abstract: An apparatus for use by a communication element or function communicating in a first network area of a communication network, the first network area being controlled by first communication network control element or function, the apparatus comprising at least one processing circuitry, and at least one memory for storing instructions to be executed by the processing circuitry, wherein the at least one memory and the instructions are configured to, with the at least one processing circuitry, cause the apparatus at least: to conduct a processing for a conditional handover procedure of the communication element or function served by the first communication network control element or function, to receive and process, in the processing for the conditional handover procedure, handover configuration information defining how the conditional handover procedure is to be executed at the communication element or function, wherein the handover configuration information includes instructions for the communication element or

Abstract: In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to at least perform: for a new quality of service (QoS) flow in a buffer of a user equipment, determine using one or more conditional rules whether to send data from the new QoS flow using a default data radio bearer (DRB) or to trigger radio resource control (RRC) signaling to request a dedicated DRB for the new QoS flow; and perform, by the user equipment and based on an outcome of the determining, one of transmitting the data using the default DRB or triggering the RRC signaling to request the dedicated DRB for the new QoS flow.

Abstract: An apparatus comprising at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured, with the at least one processor, to cause the apparatus at least to support for a determined period at least one hop within a multi-hop self-backhaul communications, wherein the determined period comprises: a first part within which information for controlling dynamic allocation between backhaul and access links within resource slots is passed between the apparatus and at least one further apparatus in the multi-hop self-backhaul communications; and a second part within which a dynamic slot pattern is implemented based on the information for controlling dynamic allocation between backhaul and access links within resource slots is passed between the apparatus and at least one further apparatus in the multi-hop self-backhaul communications.

Abstract: Various communication systems may benefit from improved signaling of control messages. For example, certain embodiments may benefit from an improved signaling of control messages in 5G or New Radio systems between a donor node and a plurality of integrated access and backhaul nodes. A method may include generating at a network node a control message for a plurality of other nodes. The method may also include transmitting the control message from the network node to the plurality of other nodes via a multicast radio bearer. The multicast radio bearer may connect the plurality of other nodes.

Abstract: A method can include sending, by a first wireless node to a second wireless node, multiple packets, the multiple packets being associated with multiple sequence numbers; sending a poll to the second wireless node, the poll requesting indications of whether the multiple packets were successfully received; setting a polling sequence number to a highest sequence number associated with the multiple packets sent by the first wireless node when the first wireless node sent the poll; starting a poll retransmission timer; receiving a status report from the second wireless node, the status report including a negative acknowledgment sequence number and an acknowledgment sequence number, the negative acknowledgment sequence number being greater than the acknowledgment sequence number; and based on the negative acknowledgment sequence number being equal to or greater than the polling sequence number, reinstating the poll retransmission timer.

Abstract: A method can include sending, by a first wireless node to a second wireless node, multiple packets, the multiple packets being associated with multiple sequence numbers; sending a poll to the second wireless node, the poll requesting indications of whether the multiple packets were successfully received; setting a polling sequence number to a highest sequence number associated with the multiple packets sent by the first wireless node when the first wireless node sent the poll; starting a poll retransmission timer; receiving a status report from the second wireless node, the status report including a negative acknowledgment sequence number and an acknowledgment sequence number, the negative acknowledgment sequence number being greater than the acknowledgment sequence number; and based on the negative acknowledgment sequence number being equal to or greater than the polling sequence number, reinstating the poll retransmission timer.

Abstract: In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to at least perform: for a new quality of service (QoS) flow in a buffer of a user equipment, determine using one or more conditional rules whether to send data from the new QoS flow using a default data radio bearer (DRB) or to trigger radio resource control (RRC) signaling to request a dedicated DRB for the new QoS flow; and perform, by the user equipment and based on an outcome of the determining, one of transmitting the data using the default DRB or triggering the RRC signaling to request the dedicated DRB for the new QoS flow.

Abstract: In accordance with an example embodiment of the present invention, there is disclosed apparatus, method sand storage mediums with computer-readable instructions for transmitting aggregated packets, comprising dividing a plurality of data units into ordered groups and advantageously encoding sub-headers for the data units to be aggregated. In accordance with an example embodiment of the present invention, there is disclosed apparatus, method sand storage mediums with computer-readable instructions for receiving the aggregated packets with the advantageously encoding sub-headers.

Abstract: Methods and apparatus, including computer program products, are provided for dual connectivity. In one aspect there is provided a method. The method may include switching, by a user equipment, between a first carrier associated with a first base station and a second carrier associated with a second base station, wherein the switching is performed based on at least a configuration defining when to perform the switching; and indicate an extension of a time allocated by the configuration at the first base station. Related apparatus, systems, methods, and articles are also described.

Abstract: Systems, methods, apparatuses, and computer program products for enhancing the setup of carrier aggregation (or dual connectivity or multi connectivity or stand-alone LTE/LTE-like on unlicensed band or LAA or LTE-WLAN aggregation) from IDLE mode (or semi-idle or semi-connected or suspended state) are provided. One method includes providing an indication, to at least one UE, of (or configuring the UE with) potential inter-frequency carriers that the UE should measure during IDLE mode (or during semi-idle or semi-connected or suspended state) for potential SCells. The method may further include during or after RRC connection establishment, receiving an indication from the at least one UE that it has inter-frequency carrier(s) and/or SCell measurement results available, and based on the received measurement results, configuring carrier aggregation (or dual connectivity or multi connectivity or LAA or LTE-WLAN aggregation) without further measurements and activating the SCell.

Abstract: Disclosed is a User Equipment UE, which establishes connection with a macro eNB (or master eNB) and a small cell eNB (or secondary eNB), measures channel quality (CQI) of a signal received from the small cell eNB, derives a second channel quality based on the measured channel quality of the signal received from the small cell eNB, transmits information associated with the measured channel quality of the signal to the small cell eNB and transmits information associated with the second channel quality to the macro eNB.

Abstract: Systems, methods, apparatuses, and computer program products for enhancing the setup of carrier aggregation (or dual connectivity or multi connectivity or stand-alone LTE/LTE-like on unlicensed band or LAA or LTE-WLAN aggregation) from IDLE mode (or semi-idle or semi-connected or suspended state) are provided. One method includes providing an indication, to at least one UE, of (or configuring the UE with) potential inter-frequency carriers that the UE should measure during IDLE mode (or during semi-idle or semi-connected or suspended state) for potential SCells. The method may further include during or after RRC connection establishment, receiving an indication from the at least one UE that it has inter-frequency carrier(s) and/or SCell measurement results available, and based on the received measurement results, configuring carrier aggregation (or dual connectivity or multi connectivity or LAA or LTE-WLAN aggregation) without further measurements and activating the SCell.

Abstract: Disclosed is a User Equipment UE, which establishes connection with a macro eNB (or master eNB) and a small cell eNB (or secondary eNB), measures channel quality (CQI) of a signal received from the small cell eNB, derives a second channel quality based on the measured channel quality of the signal received from the small cell eNB, transmits information associated with the measured channel quality of the signal to the small cell eNB and transmits information associated with the second channel quality to the macro eNB.

Abstract: Methods and apparatus, including computer program products, are provided for dual connectivity. In one aspect there is provided a method. The method may include switching, by a user equipment, between a first carrier associated with a first base station and a second carrier associated with a second base station, wherein the switching is performed based on at least a configuration defining when to perform the switching; and indicate an extension of a time allocated by the configuration at the first base station. Related apparatus, systems, methods, and articles are also described.

Abstract: Methods and apparatus, including computer program products, are provided for dual connectivity. In one aspect there is provided a method. The method may include detecting, at a user equipment configured for dual connectivity to a secondary cell and a primary cell, a radio link failure with the secondary cell; and reporting, in response to the detected radio link failure, an indication of the radio link failure with the secondary cell, wherein the user equipment maintains connectivity with the primary cell despite the radio link failure with the secondary cell. Related apparatus, systems, methods, and articles are also described.

Abstract: A network configuration and process are disclosed in which a user equipment preserves its physical uplink control channel resources (PUCCH) in connected mode when so instructed by the network upon expiration of a time alignment timer. Upon re-initiation of network messaging the network passes information to the user equipment during random access signalling to re-use the physical uplink control channel resources.