Abstract: A method performed in a wireless device for handling connectivity to two network nodes. The method comprises receiving, from a first network node, a radio resource configuration message, the radio resource configuration message indicating a change in configuration of a connection towards a second network node; applying the change in configuration towards the second network node in response to the radio resource configuration message; and initiating a random access procedure towards the second network node after applying the change in configuration. The disclosure relates to corresponding wireless device, and to methods in network nodes, network nodes, computer programs and computer program products.

Abstract: Methods, network device and terminal device are disclosed time advance adjustment. A method comprises receiving a time advance, TA, command from a network device; determining a TA granularity or range; and determining a TA value based at least partly on the TA command and the TA granularity or range, wherein different numerologies are configured for at least two carriers and/or at least two bandwidth parts (BWPs) in one carrier, wherein the at least two carriers and/or the at least two BWPs serve the terminal device and/or the terminal device supports at least one numerology.

Abstract: A method performed by a communications device 208 for transmitting a message in response to a Random Access Response (RAR) message received from a Radio Network Node (RNN) 206. The RAR message comprises multiple grants. When the message to be transmitted requires resources provided by any one grant out of the multiple grants, the communications device selects one grant out of the multiple grants. When the message to be transmitted requires resources provided by two or more grants out of the multiple grants, the communications device selects the two or more of the grants out of the multiple grants. When the message to be transmitted requires more resources than provided by the multiple grants, the communications device selects one grant out of the multiple grants. The communications device transmits, to the RNN, the message using resources provided by the selected at least one grant out of the multiple grants.

Abstract: A method performed by a User Equipment (UE) for obtaining a Band Width Part (BWP) for a respective Downlink (DL), first Uplink (UL1) and second Uplink (UL2) for a Random Access of a User Equipment (UE) to a wireless communication network is provided. When it is assumed that for every UL1 BWP with Physical Random Access Channel (PRACH) occasions, there is a corresponding UL2 BWP with PRACH occasions that has the same band width part identity (bwp id), the UE obtains (201) an UL1 BWP with PRACH occasions comprising a first bwp id and a DL BWP with the same first bwp id, and after the UL1 BWP and DL BWP have been obtained, the UE obtains (202) an UL2 BWP with PRACH occasions comprising the same first bwp id.

Abstract: According to an aspect, a wireless device is configured to selectively operate in one or more bandwidth parts, BWPs, configured by the wireless communication network. In some embodiments, the wireless device detects (302) a reset event triggering a reset of a Medium Access Control, MAC, entity in the wireless device, and, responsive to detecting the reset event, resets (304) a counter that tracks beam failure indications.

Abstract: A method may be provided to operate a wireless terminal in a Radio Access Network RAN. A plurality of Logical Channel Groups LCGs may be configured for the wireless terminal, and data may be buffered for more than one of the plurality of LCGs for the wireless terminal. A buffer status report BSR may be transmitted to a base station of the RAN, wherein the BSR indicates a size of an aggregation of data buffered for at least two of the plurality of LCGs for the wireless terminal. Related wireless terminals are also discussed.

Abstract: A method in a user equipment (110) comprises receiving (604) a grant (305, 405, 505), the grant scheduling one or more dynamically-delayed transmissions (310A-C, 410A-C, 510A-C) for the user equipment. The method comprises in response to receiving the grant, starting (608) a timer associated with dynamically-delayed scheduling, wherein at least one of a start time of the timer and a duration of the timer is configured such that the user equipment is active when an acknowledgement of the one or more dynamically-delayed transmissions is expected to be received by the user equipment.

Abstract: According to some embodiments, a method of device-to-device (D2D) communication in a wireless communication network comprises a wireless device determining a division of a set of resources allocated for D2D communication into a plurality of regions. Each region of the plurality of regions is associated with a priority level, and the set of resources comprises a plurality of resource pools. Using a priority of the first wireless device and the division of the set of resources, the first wireless device determines one or more resources from the plurality of resource pools for transmission of a communication from the wireless device. The wireless device transmits the communication to another wireless device using the determined one or more resources.

Abstract: A user equipment starts a first timer and a second timer in response to different respective network events. The starting of the first and second timers causes the first and second timers to simultaneously elapse. In response to one of the simultaneously elapsing timers expiring, the user equipment sends a radio link failure report to a node of a wireless communication network indicating which of the simultaneously elapsing timers expired.

Abstract: The present disclosure relates to radio network communication. In one of its aspects, the disclosure presented herein concerns a method for assigning a value representing a length of a data packet to a field. The method is implemented in an apparatus. According to the method, a size of the data packet is determined. Based on the determined size of the data packet, the size of the field is set. The determined size of the data packet is then compared against a value threshold, and based on the comparison and based on the determined size of the data packet, a value representing the length of the data packet is calculated. The calculated value representing the length of the data packet is then assigned to the field.

Abstract: Methods, network device and terminal device are disclosed time advance adjustment. A method comprises receiving a time advance, TA, command from a network device; determining a TA granularity or range; and determining a TA value based at least partly on the TA command and the TA granularity or range, wherein different numerologies are configured for at least two carriers and/or at least two bandwidth parts (BWPs) in one carrier, wherein the at least two carriers and/or the at least two BWPs serve the terminal device and/or the terminal device supports at least one numerology.

Abstract: Embodiments of the present disclosure provide methods and wireless terminal devices that deal with issues relating to resource allocation in sidelink radio connections. One embodiment provides a method in a first wireless terminal device. The method comprises: establishing a sidelink radio connection with a second wireless terminal device; selecting one of a plurality of resource pools for wireless communication over the sidelink radio connection, the plurality of resource pools comprising a first resource pool and a second resource pool, the first resource pool defining a first subset of available physical resources and the second resource pool defining a second subset of available physical resources; and utilizing the selected resource pool for transmitting wireless communications to the second wireless terminal device, or receiving wireless communications from the second wireless terminal device.

Abstract: The present disclosure presents example techniques for merging multiple concurrent RA procedures. For instance, the present disclosure describes an example method performed by a user equipment, UE (102), for performing random access to connect to a wireless access network. In an aspect the method includes determining that a second RA procedure (122) is triggered during a first RA procedure (120) that is ongoing. In a further aspect, the example includes combining the second RA procedure (122) and the first RA procedure (120). Corresponding UE, computer program, and processor/memory embodiments are also described.

Abstract: A network node (206) and a method for transmitting uplink grants to a communications device (208), wherein the communications device operates in a service area (206a) served by the network node. The network node determines, based on a load measure on a Physical Random Access Channel, PRACH, between the network node and the communications device in relation to a load threshold, a number of uplink grants that are to be associated with a Random Access Preamble Identity, RAPID, of a PRACH preamble transmission received from the communications device. Further, the network node indicates the determined number to the communications device; and transmits the determined number of uplink grants to the communications device.

Abstract: A method performed by a wireless device is described herein. The wireless device operates in a wireless communications network. The wireless device provides a message to be sent to a network node operating in the wireless communications network. The message is a first scheduled message to be sent to the network node in a random access procedure. The message comprises a first indicator of a type of the message. The type of message has: a) a fixed size SDU, and b) a one byte header comprising the first indicator and lacking a second indicator of a length of a payload. The wireless device also initiates sending the provided message to the network node. Also described is a method performed by the network node receiving and initiating processing the message, based on the first indicator.

Abstract: A user equipment starts a first timer in response to detecting a physical layer problem with a radio link between the user equipment and a node of a cellular network. Responsive to detecting a handover measurement event, the user equipment also starts a second timer and sends a measurement report to the node. The starting of the first and second timers causes the first and second timers to simultaneously elapse. Responsive to one of the simultaneously elapsing timers expiring, the user equipment sends a radio link failure report, to the node, indicating which of the simultaneously elapsing timers expired.

Abstract: There is disclosed herein systems, methods, and apparatuses for floor control in a push to talk communication session. According to certain embodiments, a method for floor control comprises, prior to transmitting a first message to one or more wireless devices, determining, at a first wireless device, a priority of the first message. The method also comprises determining, at the first wireless device, whether a floor is available for transmitting the first message based on the determined priority of the first message. The method additionally includes, upon the floor being available, transmitting the first message from the first wireless device to the one or more wireless devices. The method additionally includes transmitting the first message from the first wireless device without the first wireless device first requesting the floor from a remote floor controller.

Abstract: A method performed by a wireless device (130) is described herein. The wireless device (130) operates in a wireless communications network (100). The wireless device (130) provides (602) a message to be sent to a network node (110) operating in the wireless communications network (100). The message is a first scheduled message to be sent to the network node (110) in a random access procedure. The message comprises a first indicator (707) of a type of the message. The type of message has: a) a fixed size SDU (702), and b) a one byte header (704) comprising the first indicator (707) and lacking a second indicator (713) of a length of a payload. The wireless device (130) also initiates sending (603) the provided message to the network node (110). Also described is a method performed by the network node (110) receiving (1307) and initiating processing (1302) the message, based on the first indicator (707).

Abstract: An authentication node (22) in a wireless communication system (10) authenticates a message received by a recipient radio node (16A) (e.g., a user equipment). The authentication node (22) in this regard determines a radio resource that carries the message received by the recipient radio node (16A). The authentication node (22) performs authentication of the message, by checking whether the message is bound to the determined radio resource. The authentication node (22) may, for example, compute an expected authentication or integrity code based on information identifying the determined radio resource and check whether the expected authentication or integrity code matches an authentication or integrity code associated with the message.

Abstract: A Logical Channel Prioritization (LCP) procedure enables a wireless device to apply an LCP mapping restriction including at least one out of: a transmission reliability requirement, a power control requirement, and information specifying whether a service's logical channel is allowed to use an uplink grant associated with a different service.