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: Embodiments described herein provide methods and apparatus for performing a random access procedure to access a wireless communications network. A method in a wireless device comprises responsive to transmitting a first random access preamble to a base station using first random access resources in an uplink, UL, bandwidth part, BWP, of a carrier: selecting, based on an association, a first downlink, DL, BWP of the carrier, wherein the association maps a plurality of DL BWPs of the carrier to different values of a parameter related to physical random access configurations and/or to different UL BWPs of the carrier; and monitoring the first DL BWP in order to receive a random access response from the base station.

Abstract: Methods and systems for dynamically adapting an Energy Detection (ED) threshold for use in an unlicensed network are provided. According to one aspect, a method for dynamically adapting ED threshold for use in an unlicensed network comprises determining an ED threshold based on a current state of an unlicensed network and using the determined ED threshold for channel sensing and/or signaling the ED threshold to another entity for use during channel sensing.

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: Group transmission of data from a group of User Equipment devices to a network node of a cellular communication system where communication between devices is effected by device-to-device technology can provide significant improvements in uplink coverage and user bit rate. However, the benefits of group transmission means that not all devices of a group have sufficient network coverage to reliably receive a grant signal scheduling uplink resources from a network node. Methods, devices and a network node are proposed that enable the dynamic selection of either a direct grant mode, in which each device receives the uplink grant directly from the network, or a relayed grant mode, in which a device acting as group coordinator relays the grant to all members of the group, to ensure optimal performance for group transmissions. The selection is dependent on at least one determined condition relating to the group of devices and/or the group transmission.

Abstract: The present disclosure provides a method for a user equipment, UE, to perform random access to a radio network, comprising: transmitting, from the UE, a random access request containing a preamble to the radio network on a physical random access channel, PRACH, of an uplink physical resource configuration; receiving, at the UE, a random access response for the UE indicating the uplink physical resource configuration on whose PRACH the random access request was sent; and accessing, by the UE, the radio network based on information in the random access response. The present disclosure also provides a corresponding method for a base station, BS, the corresponding devices, computer programs, and computer-readable storage.

Abstract: Systems, methods and apparatus are disclosed for user equipment and/or network nodes. An example method performed by a network node includes providing a shared resource to a plurality of user equipments (UEs) that are active on a bandwidth part (BWP). The network node receives a Scheduling Request (SR) on the shared resource of the BWP, and responsive to the SR, assigns one or more grants to one or more of the plurality of UEs that are provided with the shared resource. The network node monitors another resource, for a time window after the assigning of the one or more grants, and after receiving a transmission on the monitored resource from a UE, provides the UE with a dedicated resource on the BWP.

Abstract: A method, performed by a UE, for handling a two-step Random Access Channel (RACH) procedure, in a wireless communications network is provided. When a Random Access (RA) event is triggered the UE obtains a Physical Random Access Channel (PRACH) preamble corresponding to the RA event and/or a desired grant size, by randomly select a preamble mapping to a table entry providing a required size of a Physical Uplink Shared Channel (PUSCH) resource for the triggered RA event. The UE then obtains a grant from the PUSCH resource table based on the obtained PRACH preamble, which grant includes an indication of a PUSCH resource to use for a Msg 3 transmission in uplink.

Abstract: A method, system and apparatus are disclosed. In one embodiment, a wireless device (WD) configured to communicate with a network node is provided. The wireless device includes a radio interface and processing circuitry configured to implement a Random Access Response, RAR, window, and receive a RAR using the implemented RAR window. A time length of the RAR window being configurable to correspond to a fraction or multiple of a slot in the frame.

Abstract: A method is provided in a user equipment for retransmitting a packet data unit, PDU, that has previously been transmitted in an uplink to a receiver, the previously transmitted PDU comprising one or more service data units, SDUs. The method comprises receiving an uplink grant for retransmission, wherein the uplink grant for retransmission comprises a time transmission interval, TTI, duration associated therewith. The method comprises determining whether a SDU of the one or more SDUs of the previously transmitted PDU comprises a TTI duration which is not suited to the TTI duration associated with the uplink grant for retransmission, and, if so repackaging the PDU for retransmission.

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: 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: The invention refers to a method for a communication device in a radio network, which comprises a step of performing a first transmitting, in a first time slot of a first duration, comprising transmitting a Buffer Status Report, BSR, for a plurality of logical channels, and a step of performing a second transmitting, in a second time slot of a second duration, comprising transmitting a Scheduling Request, SR, for at least a first part of the plurality of logical channels; the invention further refers to corresponding communication devices, to a computer-readable storage, to a computer program and to a carrier.

Abstract: Embodiments herein disclose, e.g., a method performed by a user equipment, UE, for handling communication in a wireless communication network, wherein the UE is in a connected mode in a first beam connected to a radio network node. The UE detects a beam failure of the first beam and transmits, to the radio network node, a preamble of a random access procedure in a second beam, wherein the preamble or a random access resource used for the preamble is associated with a beam failure recovery. The UE then receives a random access response, RAR, from the radio network node, wherein the RAR includes an uplink, UL, grant but without a temporary identity that is used by a medium access control, MAC, entity during a random access procedure.

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: According to an aspect, a method for communications includes determining whether a random access procedure is initiated for a first service that requires a more reliable random access than a second service. In response to the determination that the random access procedure is initiated for the first service, respective transmit power for one or more messages of the random access procedure is estimated based at least in part on parameter settings for the first service. The messages are transmitted to a network node during the random access procedure by using the respective transmit power.

Abstract: Methods and devices are proposed for enabling group transmission of data from a group of devices to a base station of a mobile telecommunications network. In order to enable beamforming for each of the group of devices, a plurality of unique antenna identifiers is assigned to each transmit antenna of the devices forming the beamforming group. The antenna identifiers are communicated to the base station. Each device of the beamforming group then transmits sounding reference signals to the base station with each transmit antenna identified with a unique identifier. The individual devices then receive respective beamforming precoding information, for each antenna identified with the unique antenna identifier, generated in response to a respective sounding reference signal from the base station. The devices then utilize the respective precoding information to transmit data to the base station as part of a joint beamforming transmission from the group of devices.

Abstract: A method, performed by a wireless device (130), for handling access to a cell (120). The wireless device (130) operates in a wireless communications network (100). The wireless device (130) determines (302), given a first uplink carrier (141) in use during a random access procedure to the cell (120), whether or not a second uplink carrier (142) is to be used during the random access procedure to the cell (120), instead of the first uplink carrier (141). The cell (120) is served by a network node (110) operating in the wireless communications network (100). The wireless device (130) then uses (305), based on a result of the determination, one of the first uplink carrier (141) and the second uplink carrier (142), to continue the random access procedure to the cell (120).

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: The invention refers to a method for a communication device in a radio network, which comprises a step of performing a first transmitting, in a first time slot of a first duration, comprising transmitting a Buffer Status Report, BSR, for a plurality of logical channels, and a step of performing a second transmitting, in a second time slot of a second duration, comprising transmitting a Scheduling Request, SR, for at least a first part of the plurality of logical channels; the invention further refers to corresponding communication devices, to a computer-readable storage, to a computer program and to a carrier.