Abstract: There is disclosed a method of operating a wireless device in a wireless communication network. The method includes transmitting a measurement report, the measurement report being indicative of a combination of a first set of measurement results, the first set of measurement results at least comprising a first measurement result pertaining to first reference signaling received by the wireless device and a second measurement result pertaining to second reference signaling received by the wireless device. The disclosure also pertains to related devices and methods.

Abstract: Methods are disclosed which can be performed by a network node for sending to a wireless device a first synchronization signal and an associated information message, for synchronization of the wireless device with the network node. The network node and the wireless device operate in a wireless communications network. The network node sends the first synchronization signal in N OFDM symbols within a subframe, at least once in a time and frequency position in every one of the N OFDM symbols. N is equal or larger than 2. For each sending of the first synchronization signal, the network node sends an associated information message at a pre-defined time and frequency position in an OFDM symbol. The pre-defined time and frequency position is relative to the time and frequency position of the first synchronization signal. The associated information message is associated with the first synchronization signal.

Abstract: Embodiments include methods, by a user equipment (UE), for receiving physical data channel transmissions from a wireless network. Such methods include receiving, from the wireless network, configuration information including: a first indication of one or more frequency-domain resource allocations for respective corresponding one or more physical data channel transmissions by respective corresponding one or more sources configured by the wireless network, and one or more second indications of further characteristics of the physical data channel transmissions. Such methods also include, based on the second indications, determining the number of frequency-domain resource allocations indicated by the first indication. Such methods also include receiving, from the wireless network, the determined number of physical data channel transmissions based on the respective indicated frequency-domain resource allocations.

Abstract: There is disclosed a method of operating a wireless device in a wireless communication network. The method includes communicating based on reference signaling, the reference signaling being based on a sequence root, the sequence root being one out of a set of sequence roots comprising at least two sequence roots, the set of sequence roots being configured to the wireless device. The disclosure also pertains to related devices and methods.

Abstract: According to an aspect, a wireless node selects a set of reference signal antenna ports for use in transmitting data to other wireless nodes in a given transmit time interval, from a plurality of sets of reference signal antenna ports that are available for use and that include reference signal antenna ports having different reference signal densities in the frequency and/or time dimension. The wireless node sends a message to a second wireless node indicating a reference signal assignment and including an indication of the selected set of reference signal antenna ports.

Abstract: A user equipment, base station and method for transmitting semi-persistent channel state information (SP-CSI) on a physical uplink shared channel (PUSCH) are provided. The user equipment includes processing circuitry configured to receive a control signaling message the control signaling message configuring the user equipment with at least one SP CSI report configuration on the PUSCH, and the message identifying a SP CSI reporting periodicity. The user equipment also receives physical layer control signaling identifying and activating the at least one SP CSI report configuration. Transmitter circuitry is configured to transmit a plurality of SP CSI reports, the reports being transmitted with the periodicity and according to the physical layer control signaling and the control signaling message.

Abstract: A wireless device (WD), network node and methods are provided for rate matching using dynamically indicated reference signals in a co-carrier co-existence scenario. According to one aspect, a method in a network node includes determining a physical downlink shared channel (PDSCH) resource element (RE) mapping for a plurality of aperiodic zero power reference signal (ZP-RS) resources. The method also includes transmitting to a first wireless device (WD) configured to operate according to a first radio access technology (RAT), a first indication of first aperiodic ZP-RS resources of the plurality of aperiodic ZP-RS resources to be excluded during a PDSCH RE mapping by the first WD to avoid a conflict with second aperiodic ZP-RS resources indicated to a second WD configured to operate according to a second RAT.

Abstract: There is disclosed a method of operating a wireless device in a wireless communication network. The method includes communicating based on reference signaling, the reference signaling being based on a sequence root, the sequence root being one out of a set of sequence roots comprising at least two sequence roots, the set of sequence roots being configured to the wireless device. The disclosure also pertains to related devices and methods.

Abstract: There is disclosed a method of operating transmitting radio node in a wireless communication network. The method comprises transmitting data signaling on multiple layers, wherein on each layer, there is transmitted a sequence of samples representing data, samples representing PT-RS being inserted into the sequence of samples in one or more groups, each group representing a PT-RS sample sequence. Groups of PT-RS of different layers are shifted relative to each other. The disclosure also pertains to related devices and methods.

Abstract: A technique for transmitting and receiving a configuration message for a phase tracking reference signal, PT-RS, on a radio channel between a radio access node and a radio device is described. The radio channel comprises a plurality of subcarriers in a physical resource block, PRB. A subset of the subcarriers in the PRB is allocated to a demodulation reference signal, DM-RS. As to a method aspect of the technique, the configuration message is transmitted to the radio device. The configuration message comprises a bit field that is indicative of at least one subcarrier allocated to the PT-RS among the subset of subcarriers allocated to the DM-RS.

Abstract: According to an aspect, a wireless node selects a set of reference signal antenna ports for use in transmitting data to other wireless nodes in a given transmit time interval, from a plurality of sets of reference signal antenna ports that are available for use and that include reference signal antenna ports having different reference signal densities in the frequency and/or time dimension. The wireless node sends a message to a second wireless node indicating a reference signal assignment and including an indication of the selected set of reference signal antenna ports.

Abstract: Embodiments include methods, by a user equipment (UE), for receiving physical data channel transmissions from a wireless network. Such methods include receiving, from the wireless network, configuration information including: a first indication of one or more frequency-domain resource allocations for respective corresponding one or more physical data channel transmissions by respective corresponding one or more sources configured by the wireless network, and one or more second indications of further characteristics of the physical data channel transmissions. Such methods also include, based on the second indications, determining the number of frequency-domain resource allocations indicated by the first indication. Such methods also include receiving, from the wireless network, the determined number of physical data channel transmissions based on the respective indicated frequency-domain resource allocations.

Abstract: Systems and methods for reliable Channel State Information (CSI) feedback towards multiple Transmission/Reception Points (TRPs) are provided. In some embodiments, a wireless device receives a configuration for one or more of: Semi-Persistent CSI (SP-CSI) reporting on PUCCH comprising a first PUCCH resource; SP-CSI reporting on PUSCH comprising a reporting periodicity and slot offset; and periodic CSI reporting on PUCCH comprising a second PUCCH resource activated with a third and a fourth spatial relations or uplink TCI states, and a reporting periodicity and slot offset. The wireless device also receives an appropriate activation command and transmits SP-CSI in a PUCCH resource; a periodic CSI in a PUCCH resource; and/or a SP-CSI in a PUSCH resource. In this way, reliability of SP-CSI on PUSCH, or SP-CSI on PUCCH, or periodic CSI on PUCCH can be improved by repeating the SP-CSI or periodic CSI over multiple TRPs.

Abstract: Radio network nodes, wireless devices, and related methods are provided in which a pseudo-random sequence initialization value, which is used during the generation of pseudo-random and/or scrambling sequences, is based, at least in part, on a first identifier, wherein the first identifier is equal to a first parameter if the first parameter has been configured and if a second identifier corresponds to a wireless-device-specific identifier.

Abstract: Systems and methods are disclosed for estimating one or more channel properties of a downlink from a cellular communications network based on quasi co-located antenna ports with respect to the one or more channel properties. In one embodiment, a user equipment receives a downlink subframe including a downlink control channel from the cellular communications network. The user equipment estimates one or more large-scale channel properties for an antenna port of interest in the downlink control channel based on a subset of reference signals that correspond to antenna ports in the cellular communications network that are quasi co-located with the antenna port of interest with respect to the one or more large-scale channel properties. As a result of using the quasi co-located antenna ports, estimation of the one or more large-scale channel properties is substantially improved.

Abstract: There is disclosed a method of operating a transmitting radio node in a wireless communication network. The method includes transmitting first control signaling covering one or more first allocation units in a control transmission time interval, and transmitting second control signaling covering one or more second allocation units in the control transmission time interval, wherein the second control signaling is shifted relative to the first control signaling, and wherein the second control signaling is shifted relative to the first control signaling based on a complex conjugation operation. The disclosure also pertains to related devices and methods.

Abstract: Systems and methods for linking Physical Downlink Control Channel (PDCCH) candidates are provided herein. In some embodiments, a method includes: receiving a configuration of a first and second Control Resource Set (CORESET) associated with a first and second Search Space (SS) set; determining that the first and second SS set are configured with a common set of parameters; activating the first and second CORESET with a first and second TCI state; linking a first PDCCH candidate in a first PDCCH monitoring occasion to a second PDCCH candidate in a second PDCCH monitoring occasion; receiving a PDCCH in the first PDCCH candidate and the PDCCH in the second PDCCH candidate; and detecting the PDCCH in the first and the second PDCCH candidates. Some embodiments might provide a simple way for linking PDCCH candidates in two SS sets to support both intra-slot and inter-slot PDCCH repetition in either TDM or FDM manner.

Abstract: There is disclosed a method of operating a transmitting radio node in a wireless communication network. The method includes transmitting first control signaling covering one or more first allocation units in a control transmission time interval, and transmitting second control signaling covering one or more second allocation units in the control transmission time interval, wherein the second control signaling is shifted relative to the first control signaling. The disclosure also pertains to related devices and methods.

Abstract: A method for reducing the number of beams required per symbol. The method is performed by a base station (gNB). The method includes transmitting reference signals (RSs) and receiving a report from a UE (302), the report identifying a matrix. The method also includes using the identified matrix to transmit data to the UE or schedule the UE. The matrix identified by the UE is equal to (I) and Wps is a port selection matrix and (II) denotes the Kronecker product.

Abstract: According to certain embodiments, a method (1100) by a wireless (110) is provided for receiving (1102), from a network node (160), an indication of a particular one of a plurality of sounding reference signal, SRS, configurations for an antenna switching configuration, ASC. At least one SRS is transmitted (1104) to the network node based on the particular one of the plurality of SRS configurations for the ASC.