Abstract: A method and apparatus to perform receiving at least one control signal in one of subframes or symbols of a sub-bandwidth part of signaling from a network node of a communication network; based on the at least one control signal of the sub-bandwidth part, performing timing and frequency synchronization for the communication network; and using the synchronized timing and frequency, maintain a connected state for communication operations with the communication network. Further, to perform configuring signaling including at least one control signal in one of subframes or symbols of a sub-bandwidth part of the signaling configured for a device, wherein the sub-bandwidth part of the signaling is configured for the device; and sending towards the device the signaling including the at least one control signal in the one of subframes or symbols of the sub-bandwidth part.

Abstract: According to an example embodiment, a method may include determining, by a user equipment in a wireless network, a starting physical resource block of a common physical resource block grid that is associated with a wideband channel, wherein a plurality of bandwidth parts are provided within the common physical resource block grid, each bandwidth part having a bandwidth that is less than the bandwidth of the wideband channel; determining, by the user equipment, a wideband channel guard band for the wideband channel, the wideband channel guard band provided between a lowest frequency of the wideband channel and a first usable physical resource block of the common physical resource block grid; and, determining, by the user equipment for at least one bandwidth part of the plurality of bandwidth parts, a bandwidth part-specific physical resource block grid that is a subset of the common physical resource block grid.

Abstract: There is provided a subframe arrangement for use in wireless communications between a relay node and a base station and between a user equipment and at least one of the base station and relay node, the subframe arrangement comprising a plurality of symbols and a downlink control portion comprising at least one symbol having a first portion allocatable to a first downlink control channel transmission, wherein the first downlink control channel transmission is from the base station to the relay node, an uplink control portion comprising at least one symbol having a first portion allocatable to a first uplink control channel transmission, wherein the first uplink control channel transmission is from the relay node to the base station, a data portion allocatable to one of one of uplink and downlink data transmission, wherein the data transmission is between the relay node and the base station, and wherein symbol timing of the subframe arrangement is different to the symbol timing of a subframe arrangement for use

Abstract: According to the disclosure there is provided an apparatus comprising means for performing: receiving a configuration for a distributed unit of the apparatus for transmitting reference signals using a time domain resource of the apparatus, in accordance with a time domain transmission pattern; and receiving a configuration for a mobile termination unit of the apparatus for reception of reference signals using the time domain resource of the apparatus, in accordance with a time domain reception pattern; and selectively measuring received reference signals in dependence on a determination of whether measurement of received reference signals is required.

Abstract: Various communication systems may benefit from appropriate handling of uplink communications. For example, certain wireless communication systems may benefit from an uplink coverage extension for unlicensed band operation. A method can include configuring a first interlace having a first starting physical resource block. The method can also include configuring a second interlace having a second starting physical resource block offset from the first physical resource block. The method can further include transmitting or receiving a signal based on a combination of the first interlace and the second interlace. The combination can include at least one cluster but less than two clusters in each measurement interval.

Abstract: Various communication systems may benefit from improved signaling. For example, anew radio communication system may benefit from a flexible indication of transmission timing. A method may include determining, at the user equipment, transmission timing based on a first parameter and a second parameter. The first parameter may indicate an offset as a number of slots. The second parameter may indicate an offset as a number of symbols within one of the slots. The method may also include using the transmission timing to at least one of send an uplink transmission or receive a downlink transmission.

Abstract: According to an aspect, there is provided a method comprising: determining, by an apparatus, that data is to be exchanged between the apparatus and another apparatus, wherein the other apparatus does not have a wired backhaul connection; obtaining, by the apparatus, a time domain resource partitioning, wherein the time domain resource partitioning comprises a plurality of portions grouped to a first group and to a second group such that a first portion of the first group is available to a first downlink transmission and a first portion of the second group is available to a second downlink transmission; detecting, by the apparatus, if a channel is available for transmission; and if the channel is available for transmission, transmitting, by the apparatus, to the other apparatus according to the time domain resource partitioning.

Abstract: A method comprising: determining a time domain resource partitioning that comprises at least a first pattern and a second pattern, wherein the first pattern comprises a first number of portions allocated to uplink transmission and/or downlink transmission and is associated with a first link category and the second pattern comprises a second number of portions allocated to uplink transmission and/or downlink transmission and is associated with a second link category; determining if link category for transmission is the first or the second link category; determining if the channel is available for the transmission according to a pattern associated with the determined link category, wherein the pattern associated with the determined link category corresponds to the first or the second pattern; and if the channel is available, acquiring the channel and transmit according to the pattern associated with the determined link category.

Abstract: A method includes performing, by a terminal device, a sub-bandwidth part based operation. The method includes determining a requirement for radio frequency retuning, and switching from the sub-bandwidth part based operation to a bandwidth part based operation. The method also includes performing the bandwidth part based operation.

Abstract: According to an example aspect of the present invention, there is provided a method for a cellular wireless device, including, obtaining, from a cellular base station, a first opportunity for an uplink data transmission on an unlicensed frequency band, wherein the first opportunity is within a first period reserved for first transmission opportunities on a frequency channel, upon detecting that the frequency channel is occupied at a beginning of the first opportunity, determining a second opportunistic resource for the uplink data transmission or a downlink transmission and receiving or transmitting using the second opportunistic resource.

Abstract: A user equipment (UE) may determine channel state information (CSI) reports with each CSI report being related to a component carrier. The UE may send a subframe with CSI report(s) on a physical uplink control channel (PUCCH). When a collision occurs in the subframe having the CSI report(s) on the PUCCH a lower priority CSI report may be dropped from the transmission.

Abstract: According to an aspect, there is provided an access node for configuring relaying using one or more terminal devices. The access node is configured to select the one or more terminal devices connected to the access node for relaying a signal from the source terminal device to the access node based on radio link measurements. Further, the access node is configured to configure each of the one or more terminal devices to decode each received primary uplink resource and if the decoding is successful, to cause transmitting a transport block corresponding to the decoded primary uplink resource on a secondary uplink resource using a pre-defined starting position to a target network node. The access node is also configured to receive at least one transport block transmitted from the source terminal device via one or more terminal devices on one or more secondary uplink resources.

Abstract: A technique is provided for beamforming training, including: transmitting, by a network node, common control signaling via a plurality of beams periodically according to a predetermined beam sweeping pattern, and transmitting, via a set of one or more beams in each of one or more sequential time-domain resources, an aperiodic downlink sounding burst to at least one user device to allow the at least one user device to perform beamforming training.

Abstract: There is provided a method in a device of a cellular network, the method comprising: receiving a user plane data from a source network node of the cellular network; detecting that at least one quality condition with respect to the user plane data transfer is met; and in response to the detecting that the at least one quality condition is met, causing a transmission of an indication for a data forwarding or duplication to a target network node of the cellular network or to the source network node, the data forwarding or duplication causing the source network node to forward or duplicate a user plane data of the device to the target network node.

Abstract: A method including receiving one or more data packets wirelessly in one or more downlink transmission opportunities on one or more radio carriers, receiving scheduling information including an indication of uplink control information to be transmitted related to at least one of the one or more data packets, and causing wireless transmission of the uplink control information in an uplink transmission opportunity.

Abstract: There is provided a method comprising controlling receiving, at a node, subframe type configuration information, said subframe type configuration information defining at least one subframe type of a group of subframes to be used in a secondary cell, said secondary cell configured to provide at least one of licensed-assisted access, licensed shared access and co-primary sharing access and using said subframe type configuration information to cause the node to operate in accordance with that configuration in the secondary cell.

Abstract: A technique may include sending, by a base station to at least one user device, a signal indicating a configuration of at least one guard period, wherein the at least one guard period is provided between subframe portions of a same link direction. According to an example implementation, the at least one guard period may include one or more of: at least one first guard period provided between subframe portions of a same link direction within a subframe, and at least one second guard period provided between subframe portions of a same link direction of different subframes.

Abstract: Systems, methods, apparatuses, and computer program products for periodic uplink (UL) signals with hybrid transceiver architectures are provided. One method includes configuring, by a network node, opportunities for periodic signal transmission for user equipment based around cell-specific sweeping uplink resources. In an embodiment, the sweeping comprises a process for providing more than one opportunity for the user equipment to transmit a periodic signal based on the user equipment's location in the cell.

Abstract: Systems, methods, apparatuses, and computer program products for signal block mapping are provided. One method includes configuring, by a network node (e.g., base station or eNB), a group of discovery signaling blocks. The method may then include mapping the discovery signaling blocks of the group onto a subframe structure, including the group information into each of the discovery signaling blocks, and transmitting the discovery signaling blocks in the subframe structure.

Abstract: A technique is provided for beamforming training, including: transmitting, by a network node, common control signaling via a plurality of beams periodically according to a predetermined beam sweeping pattern, and transmitting, via a set of one or more beams in each of one or more sequential time-domain resources, an aperiodic downlink sounding burst to at least one user device to allow the at least one user device to perform beamforming training.