Abstract: According to certain embodiments, a method is disclosed for use in a wireless device being affected by pre-emption. The method comprises receiving information from a network node and performing one or more operations based on the received information. The information indicates a portion of a buffer that is affected by pre-emption. Examples of operations that can be performed based on the received information include flushing the portion of the buffer affected by pre-emption or separately handling the portion of the buffer affected by pre-emption.

Abstract: According to certain embodiments, a method for synchronous control of timing configurations includes operating a wireless device according to a first timing configuration associated with a first delay duration for transmitting feedback to a network node. A second timing configuration associated with a second delay duration for transmitting feedback to the network node is received from the network node. The second delay duration is different from the first delay duration. In response to a first downlink transmission from the network node, a first feedback is scheduled for transmission at a transmission time determined based on the second delay duration associated with the second timing configuration.

Abstract: The invention refers to a method (200) of handling hybrid automatic repeat request (HARQ), processes for grant-free transmission in a radio access network (RAN), the method comprising the steps of computing (202), for a radio device configured or configurable for grant-free transmission in the RAN, a number of HARQ processes for the grant-free transmission of the radio device; and signaling (204), to the radio device, the computed number of HARQ processes. The invention further refers to corresponding devices, and a corresponding computer program.

Abstract: In a method for soft buffer handling in a user equipment in a wireless communication system, performing the steps of receiving (S100) a transmission, identifying (S101) overlapping positions for non-zero soft values in a soft buffer and received transmission soft values, copying and storing (S102) identified overlapping non-zero soft values or received transmission soft values, and combining (S103) soft buffer with received transmission.

Abstract: The present disclosure provides methods and apparatus for detecting when a data transmission has been preempted or punctured by detecting inconsistency in the modulation or other signal characteristic of a received signal. If an inconsistency is detected, measures can be taken to mitigate potential problems caused by the inconsistent data. In one example, the receiving device (30) may identify soft bits in a soft buffer that may have been corrupted and flush the corrupted parts from the soft buffer.

Abstract: There is disclosed a method of operating a terminal (10) in a wireless communication network, the method comprising receiving and/or transmitting according to a transmission time interval, TTI, configuration, the TTI configuration indicating at least one short transmitting time interval having between one or two and seven symbols of duration in a subframe. There are also disclosed related methods and devices.

Abstract: According to certain embodiments, a method for synchronous control of timing configurations includes operating a wireless device according to a first timing configuration associated with a first delay duration for transmitting feedback to a network node. A second timing configuration associated with a second delay duration for transmitting feedback to the network node is received from the network node. The second delay duration is different from the first delay duration. In response to a first downlink transmission from the network node, a first feedback is scheduled for transmission at a transmission time determined based on the second delay duration associated with the second timing configuration.

Abstract: A wireless device, network node and a method for managing a hybrid automatic repeat request (HARQ) process for grant-free uplink access. The method includes transmitting data to a network node during a first time slot corresponding to a first PID according to a first mapping. The method further includes receiving a HARQ feedback signal indicating one of an acknowledgement, ACK, and a non-acknowledgement, NACK, associated with the first PID. When a NACK is received, an indication of a second time slot for a retransmission is received. The data corresponding to the first PID is retransmitted during the second time slot.

Abstract: There is disclosed a method of operating a radio node in a Radio Access Network, RAN. The method includes transmitting acknowledgement signaling pertaining to at least two transmission data streams in which the acknowledgement signaling is determined based on performing a combined error evaluation pertaining to the at least two transmission data streams based on a combination indication obtained by the radio node. The present disclosure also pertains to related methods and devices.

Abstract: A method performed in an entity for transmitting in a communications system. The method comprises assessing a channel to be available for transmission by establishing an on-going transmission to have a received signal strength such as to allow simultaneous transmission in view of a first clear channel assessment threshold; establishing type of transmission of the on-going transmission; and determining, based on the established type of transmission, whether to transmit or to defer transmitting. A corresponding entity, computer programs and computer program products are also provided.

Abstract: There is disclosed a method of operating a terminal (10) in a wireless communication network, the method comprising receiving and/or transmitting according to a transmission time interval, TTI, configuration, the TTI configuration indicating at least one short transmitting time interval having between one or two and seven symbols of duration in a subframe. There are also disclosed related methods and devices.

Abstract: A network node, a wireless device for communication with a network node and corresponding methods are provided. The network node includes processing circuitry configured to stop a hybrid automatic repeat request (HARQ) process associated with data to be retransmitted and retransmit the data using a procedure that is different from the stopped HARQ process.

Abstract: A method performed by a network node for handling a damaged transmission of data due to data puncturing is provided. The network node receives (201), from a User Equipment, (UE) a Negative Acknowledgment (NACK) feedback of a previous transmission of data transmitted to the UE. The network node checks (202) whether or not the data is punctured in the previous transmission corresponding to the NACK feedback. When the data is punctured in the previous transmission, the network node selects (203) a Redundancy Version (RV), for a retransmission of the data, according to characteristics of the punctured data and puncturing data. The network node then sends (204) a Puncturing Indication (PI), the selected RV and the retransmission of the data to the UE.

Abstract: According to certain embodiments, a method in a wireless device includes generating a signal comprising repeating segments for transmission in a subslot duration transmission time interval (TTI) to a network node. The signal comprising the repeating segments is transmitted to the network node in the subslot duration TTI.

Abstract: In order to address problems arising due to conflicting transmissions of different services, each transport block transmitted to a receiver includes at least two code blocks and the decision by the receiver to flush and replace parts of the soft buffer and/or to add the soft bits to only some of the code blocks of a transport block is based on a combination of the multi-bit feedback transmitted by the receiver and a multi-bit indication in the DCI (Downlink Control Information) transmitted by the transmitter.

Abstract: A method in a wireless device (810) is disclosed. The wireless device receives (1404) an uplink grant from a network node (815), the uplink grant scheduling one or more uplink transmissions by the wireless device. The wireless device selects (1408) an ON/OFF time mask to use for transmitting the one or more uplink transmissions. The wireless device determines (1412), based on the received uplink grant, an allowed placement of a transient period of the selected ON/OFF time mask and a duration of the transient period to use for the one or more uplink transmissions.

Abstract: The disclosure pertains to selecting a Transport Block Size (TBS) in a communication system. An aspect is directed to an apparatus for selecting a Transport Block Size (TBS) for a transmitter of a communication system. The communication system supports variable Transmission Time Interval (TTI) lengths regarding the number of symbols to be transmitted in one TTI. The apparatus is configured to receive first information indicative of a TTI length, receive second information indicative of a number of reference symbols included in the TTI, decode, from the first information, the TTI length, and decode, from the second information, the number of reference symbols included in the TTI.

Abstract: Embodiments described herein provide methods and apparatus for transmitting at least one data stream comprising a plurality of samples between a first wireless device and a second wireless device using machine-to-machine communication. A method in the first wireless device comprises receiving the at least one data stream; generating a first data packet comprising N of the plurality of samples, wherein N is an integer value of greater than or equal to 2; and transmitting the first data packet to the second wireless device.

Abstract: A method, network node and wireless device that use grants that restrict the set of LCHs that can be serviced using the grant are disclosed. According to one aspect, a method in a wireless device (WD) configured to communicate with a network node is provided. The method includes receiving from the network node, a first grant for uplink transmission of data, the first grant indicating that use of the first grant is restricted to logical channels (LCHs) of a first subset of LCHs of an LCH set, the first subset of LCHs configured to include fewer than all LCHs, such that there exists at least one LCH for which use of the first grant is not allowed. The method also includes selecting at least one LCH from the first subset of LCHs according to a priority of LCHs in the first subset of LCHs, the selected at least one LCH configured to provide data to be transmitted on the uplink according to the first grant.

Abstract: Preempting a slot with a mini-slot for use in a wireless transmitter of a wireless communication network is presented. The method includes preempting a slot transmission to a wireless receiver with a mini-slot transmission to the wireless receiver, wherein the slot transmission comprises a plurality of time-frequency regions (TFRs), each TFR comprising a plurality of sub-regions. The method further includes transmitting a preemption indication to the wireless receiver, where the preemption indication includes: a TFR position in time of one or more preempted TFRs in the slot transmission, a TFR position in frequency of the one or more preempted TFRs in the slot transmission and an identifier of one or more of the plurality of sub-regions of the one more preempted TFRs.