Abstract: A method in a network node includes communicating, over a narrowband Internet of Things downlink, a first message to a first wireless device during repetition periods of at least a first time frame and a second time frame of a plurality of time frames of a transmission time of a narrowband physical downlink control channel (NB-PDCCH) or a narrowband physical downlink shared channel (NB-PDSCH). Each time frame of the plurality of time frames includes a repetition period and a gap. The method also includes communicating a second message to a second wireless device during a gap of the first time frame.

Abstract: Methods and systems described herein are directed to encoding information bits for transmission. The methods can include receiving a set of information bits (900) and determining a set of parity check bits (910). The set of information bits is concatenated with the set of parity check bits (920), and the information bits are polar encoded into a set of information bits and frozen bits (930). The encoded set of information bits is transmitted to a wireless receiver (940). In particular embodiments, each parity check bit in the set of parity check bits is the binary sum of the values of all bits in front of it. Other embodiments include generating a set of parity check bits based on a systematic block code on the least reliable bits of the set of information bits. The methods and systems described herein may be applied to 3GPP 5G mobile communication systems.

Abstract: Systems and methods are disclosed herein for determining and indicating antenna ports in Downlink Control Information (DCI). In one embodiment, a method performed by a wireless communication device comprises receiving a configuration comprising a Demodulation Reference Signal (DMRS) configuration and an antenna port field configuration for an antenna port field in a Downlink Control Information (DCI) format. The method further comprises receiving a DCI of the DCI format and determining a size of an antenna port field and a DMRS port table for interpreting a value comprised in the antenna port field based on the DMRS and antenna port field configurations, the determined DMRS port table being a subset of a master DMRS port table. The method further comprises determining a DMRS port(s) used for a corresponding physical channel based on the size of the antenna port field, the DMRS port table, and/or the value of the antenna port field.

Abstract: Embodiments of a method performed by a wireless device are disclosed. In one embodiment, the method comprises providing physical downlink control channel capability information to a base station, where the physical downlink control channel capability information comprises one or more candidate values comprising one or more candidate (X,Y) values or one or more candidate (X, Y, ?) values, where X is a minimum time separation in Orthogonal Frequency Division Multiplexing (OFDM) symbols between the starts of two physical downlink control channel monitoring spans, Y is a maximum length of a physical downlink control channel monitoring span in terms of OFDM symbols, and ? is subcarrier spacing. The method further comprises determining a maximum value. The maximum value is either a maximum number of non-overlapping Control Channel Elements (CCEs) for channel estimation or a maximum number of blind decodes for physical downlink control channel monitoring, per physical downlink control channel monitoring span.

Abstract: A method for use in a transmitter includes sending a transmission comprising a transport block (TB) comprising a plurality of code blocks (CBs) arranged in one or more code block groups (CBGs). Each code block group includes one or more code blocks and each code block includes a plurality of coded bits. The transmission is sent to a receiver configured to use multi-bit hybrid automatic repeat request (HARQ) feedback per transport block. The method further includes receiving HARQ ACK or NACK feedback from the receiver one or more of the one or more code block groups of the transport block. The method further includes determining a number of code blocks or code block groups to send to the receiver in a retransmission based on at least the received HARQ ACK or NACK feedback.

Abstract: Systems and methods for multi-Transmission Reception Point (TRP) transmission for downlink Semi-Persistent Scheduling (SPS) are provided. In some embodiments, a method performed by a wireless device for configuring one or more wireless communications settings includes determining multiple wireless communications configurations; and simultaneously activating at least two of the wireless communications configurations such that the at least two of the plurality of wireless communications configurations include configuration of one or more of a low latency and/or reliability scheme and one or more properties related to the low latency and/or reliability scheme. This enables multi-TRP based reliability schemes for the case when multiple downlink SPS configurations can be simultaneously activated.

Abstract: Systems and methods for scheduling request (SR) prioritization are disclosed herein. In one embodiment, a method performed by a wireless device for prioritized SR transmission comprises transmitting, to a base station, a SR for data generated on a particular logical channel on a Physical Uplink Control Channel (PUCCH) resource in accordance with an associated SR configuration, wherein a SR priority of the SR is indicated by one or more physical layer properties of the PUCCH resource, in accordance with a mapping between the one or more physical layer properties of the PUCCH and the SR priority.

Abstract: A method and a wireless device for determining out of order (OOO) operation are disclosed. According to one aspect, the processing circuitry is configured to, when at least one physical downlink shared channel (PDSCH) is subject to semi-persistent scheduling (SPS) determine an OOO condition that is independent of a relative timing of physical downlink control channel (PDCCH) signaling, the OOO condition being one of data transmission overlap and out-of-order hybrid automatic repeat request, HARQ, feedback. A method and wireless device for codebook construction are disclosed. According to one aspect, a method includes constructing a codebook by combining a first codebook and a second codebook, the first codebook being configured for hybrid automatic repeat request (HARQ) acknowledgment (ACK) response of dynamically scheduled physical shared channels and the second codebook being configured for HARQ-ACK response of semi-persistently scheduled (SPS) physical shared channels.

Abstract: Systems and methods are disclosed herein for determining and using a Transport Block Size (TBS) when two or more Low Density Parity Check (LDPC) base graphs can be used for LPDC coding. In some embodiments, a method comprises determining a Transport Block Size (TBS) for a transport block communicated between a network node and a wireless device via a physical channel transmission using a formula such that code block segmentation of the transport block results in equal sized code blocks independent of which of two different LDPC base graphs is used for the code block segmentation. The method further comprises transmitting or receiving the transport block according to the determined TBS.

Abstract: A method, network node and wireless device for resolving physical uplink control channel (PUCCH) collisions in subslots. According to one aspect, a wireless device (WD) is configured to remove a candidate physical uplink control channel, PUCCH, resource from a subslot to resolve an overlap of PUCCH resources in a slot. According to another aspect, a network node is configured to receive a physical uplink control channel, PUCCH, transmission, a PUCCH resource used for the PUCCH transmission being based at least in part on a removal of a candidate PUCCH resource from a subslot to resolve an overlap of PUCCH resources in a slot.

Abstract: Systems and methods are disclosed herein that relate wireless device positioning based on cell portion specific Positioning Reference Signals (PRSs) by multiple Transmit Points (TPs) in a shared cell. In some embodiments, a method of operation of a TP in a cellular communications network is provided. The TP is one of multiple of non-co-located TPs of a shared cell that has a shared cell identifier. The method of operation of the TP comprises transmitting a PRS having at least one parameter that is a function of a cell portion identifier of the TP, where the at least one parameter comprises a frequency-shift of the PRS, a portion of a system bandwidth in which the PRS is transmitted, and/or a PRS sequence used for the PRS. By transmitting cell-portion-specific PRSs, the TPs in the shared cell enable wireless device positioning based on PRSs transmitted by the non-co-located TPs.

Abstract: There is disclosed a method of operating a wireless device in a radio access network, the wireless device being configured with a slot configuration according to which a slot has multiple subslots. The method includes transmitting acknowledgement information reporting on subject transmission in a subslot based on a received timing indication indicating a subslot for transmitting the acknowledgement information, the timing indication being indicative of a subslot of a set of available subslots. Related methods and devices are also disclosed.

Abstract: There is disclosed a method of operating a wireless device in a radio access network, the wireless device being configured with a slot configuration according to which a slot has multiple subslots. The method includes transmitting acknowledgement information reporting on subject transmission in a subslot based on a received timing indication indicating a subslot number for transmitting the acknowledgement information, and based on a subslot offset. There are also disclosed related methods and devices.

Abstract: Systems and methods for constructing a Hybrid Automatic Repeat Request (HARQ) codebook are provided. In some embodiments, a method performed by a User Equipment (UE) includes constructing a dynamic HARQ codebook with a first set of HARQ ACK bits being associated with dynamically scheduled Physical Downlink Shared Channels (PDSCHs) and a second set of HARQ ACK bits being associated with Semi-Persistent Scheduling (SPS) PDSCHs; and ordering the second set of HARQ ACK bits according to the SPS PDSCH index. In some embodiments, the UE receives, from a network node, a plurality of downlink SPS PDSCHs, each with a SPS configuration index and the UE sends, to the network node, HARQ ACK feedback associated with the SPS PDSCHs. In this way, HARQ ACK feedback is enabled for multiple DL SPS configured for a UE with possibly overlapping time domain resource allocations.

Abstract: Apparatuses and methods are disclosed for preemption priority level for Uplink Control Information (UCI) and/or Physical Uplink Shared Channel (PUSCH) conflict resolution. In one embodiment, a method implemented in a network node includes indicating to a wireless device (WD) a priority associated with at least one uplink (UL) channel; and receiving at least one UL signal based at least in part on the indicated priority. In another embodiment, a method implemented in a WD includes determining a priority associated with at least one of at least two uplink (UL) channels; and resolving a conflict between the at least two uplink channels based at least in part on the determined priority.

Abstract: A method in a User Equipment (UE) for determining a transmission data block size is provided. The method comprises: obtaining parameters for a data transmission, the parameters including at least a number of layers, a number of allocated resource blocks, a modulation order and a code rate; determining an effective number of resource elements; determining a transmission data block size based on the obtained parameters and the determined effective number of resource elements; and performing one of transmitting and receiving data based on the determined transmission data block size.

Abstract: A method, system and apparatus are disclosed. According to one or more embodiments, a wireless device configured to communicate with a network node is provided. The wireless device includes processing circuitry configured to resolve a scheduling overlap between at least one physical uplink control channel, PUCCH, resource configured for a scheduling request and at least one physical uplink shared channel, PUSCH, resource of a PUSCH based at least on at least one criterion.

Abstract: A method and apparatus are disclosed for transmission of one or more UCIs with colliding PUSCH. In one embodiment, a method implemented in a wireless device (WD) is provided. The method includes determining a first uplink control information (UCI) and a second UCI, the first UCI associated with a first physical uplink control channel (PUCCH) and the second UCI associated with a second PUCCH; and combining the first UCI and the second UCI and/or disregarding at least one of the first UCI and the second UCI and/or transmitting at least one of the first UCI and the second UCI in a time resource.

Abstract: A method, network node and wireless device for scheduling PUCCH transmissions that are longer than a subslot such that no different PUCCH transmissions overlap in time are disclosed. According to one aspect, a method in a network node includes scheduling physical uplink control channel (PUCCH) transmissions on a per sub-slot basis. The method further includes transmitting to a wireless device (WD) on a per sub-slot basis a physical downlink channel having an indication of a sub-slot to transmit a PUCCH transmission according to the schedule.

Abstract: A technique for allocating transmit power for uplink, UL, radio transmission is described. As to a method aspect, a method of allocating transmit power for at least two UL transmissions on one or more cells (302, 304) of a radio access network, RAN, is provided. The method comprises or initiates the step of allocating (202) the transmit power for the UL transmissions. A total transmit power resulting from the allocation is less than or equal to a maximum transmit power by allocating the transmit power to the UL transmissions according to a priority order of the UL transmissions. At least one UL transmission of a low-latency communication is prioritized over at least one UL transmission of a regular communication according to the priority order.