Abstract: Systems and methods related to partial interlace frequency domain resource allocations for uplink transmissions from a wireless device are disclosed. In some embodiments, a method performed by a wireless device comprises receiving a resource allocation for an uplink transmission that allocates resources in one or more partially allocated interlaces and performing an uplink transmission on the allocated resources in the one or more partially allocated interlaces in accordance with the resource allocation. In this manner, a low-complexity approach to support flexible frequency domain resource allocation is provided. In addition, using this approach, an interlace may be shared by two or more wireless devices, which may increase spectral efficiency and reduce latency.

Abstract: Methods and apparatus are provided. In an example aspect, a method in a first access point (AP) of processing signals from at least one User Equipment (UE) is provided. The method includes receiving, for each of at least one other access point, information based on signals received at one or more antennas of the other access point from the at least one UE, processing the information based on the signals received at the one or more antennas of the at least one other access point to determine symbol estimates of symbols in the signals, and forwarding information identifying the symbol estimates to a processing node.

Abstract: Methods for a communication node configured with an antenna array having a plurality of antenna elements. Such methods include determining a link metric for a data transmission received or transmitted using a first portion of the antenna elements, and determining a first value for a first function of the link metric and of a performance target for the link metric. Such methods include, based on the first value, selectively updating the first portion and a second portion of the antenna elements by a first number. The second portion is disjoint from the first portion. Such methods include concurrently performing the following when the updated second portion includes at least one antenna element: receiving or transmitting one or more data transmissions using a first beam formed by the updated first portion; and scanning for reference signal transmissions using a second beam formed by the updated second portion.

Abstract: There is provided mechanisms for detecting a signal communicated by a backscattering device. A method is performed by a MIMO reader that comprises a first antenna panel and a second antenna panel. The method comprises selecting, for the first antenna panel, first spatial filter coefficients with an object to minimize interference from the first antenna panel towards the second antenna panel over a radio propagation channel. The method comprises transmitting, from the first antenna panel and whilst applying the selected first spatial filter coefficients, a first signal. The method comprises receiving, at the second antenna panel, a backscattered signal component of the first signal as backscattered by the backscattering device. The backscattered signal component comprises the signal communicated by the backscattering device. The MIMO reader thereby detects the signal communicated by the backscattering device.

Abstract: There is provided mechanisms for AP-based action triggering in a distributed massive MIMO system. The distributed massive MIMO system comprises a plurality of APs. The APs are controlled by a central controller and jointly serve UEs. A method is performed by one of the APs. The method comprises determining, per coherence block, at least one instantaneous link performance metric by analyzing uplink signals received from the UEs. The at least one instantaneous link performance metric quantifies channel conditions of one of the UEs for the coherence block. The method comprises performing, for the coherence block and when a comparison between the at least one instantaneous link performance metric for the coherence block and a pre-defined threshold satisfies a trigger condition, a network adapting action for said one of the UEs.

Abstract: Systems and methods related to partial interlace frequency domain resource allocations for uplink transmissions from a wireless device are disclosed. In some embodiments, a method performed by a wireless device comprises receiving a resource allocation for an uplink transmission that allocates resources in one or more partially allocated interlaces and performing an uplink transmission on the allocated resources in the one or more partially allocated interlaces in accordance with the resource allocation. In this manner, a low-complexity approach to support flexible frequency domain resource allocation is provided. In addition, using this approach, an interlace may be shared by two or more wireless devices, which may increase spectral efficiency and reduce latency.

Abstract: This disclosure presents a method (600) of skipped channel buffering performed by a wireless device configured to receive downlink, DL, transmissions in multiple beams from a network node. The method (600) comprises monitoring (610) a beam scheduling of the network node and, based on the monitoring (610), determining (620) a probability that a current DL channel transmission is scheduled in a default beam. Responsive to the probability that the current DL channel transmission is scheduled in the default beam is at or below a scheduling threshold, skipping (630) buffering of DL channel transmissions in the default beam. A wireless device, a computer program product and a carrier are also disclosed.

Abstract: A method for reducing inter symbol interference (ISI) and inter carrier interference (ICI) in transmissions between a sender and a recipient within a wireless communication network. For at least one multicarrier symbol comprising a first subcarrier modulated with an original reference signal and multiplexed with a second subcarrier modulated with an original payload signal. The method includes applying a multiple symbol shift configuration on at least a second multicarrier symbol adjacent to the first multicarrier symbol by repeating the original reference signal and the original payload signal in the second multicarrier symbol on respective subcarriers and applying a linear phase shift to each repeated reference signal and payload signal. The same linear phase shift is used for both the repeated reference signal and the repeated payload signal.

Abstract: Polypeptides are provided that bind CD123 on a target cell and the constant domain of TCR on a T cell. The polypeptides can be used in methods for treatment of CD123 associated cancers or inflammatory conditions.

Abstract: Systems and methods related to partial interlace frequency domain resource allocations for uplink transmissions from a wireless device are disclosed. In some embodiments, a method performed by a wireless device comprises receiving a resource allocation for an uplink transmission that allocates resources in one or more partially allocated interlaces and performing an uplink transmission on the allocated resources in the one or more partially allocated interlaces in accordance with the resource allocation. In this manner, a low-complexity approach to support flexible frequency domain resource allocation is provided. In addition, using this approach, an interlace may be shared by two or more wireless devices, which may increase spectral efficiency and reduce latency.

Abstract: Embodiments of the present disclosure provide a method, a transmitter node, a receiver node, and a computer program product for communication of information in a communication channel comprising at least one main band and an adjacent guard band. The method is performed by a transmitter node in a wireless communication network. The method comprises determining whether to transmit information in the guard band based one or more configured transmission parameters associated with the transmitter node. Upon determination to transmit information in the guard band, the method comprises determining transmission power for frequency resources allocated in the guard band based on a spectral mask defining a power density limit across an allocated frequency range. The method further comprises transmitting first information on the frequency resources allocated in the guard band and second information on frequency resources allocated in the main band to a receiver node according to the determined transmission power.

Abstract: A method of controlling over-the-air beamforming calibration for a multi-antenna transceiver system having a plurality of beamforming sub-systems connected to respective transceiver chains, wherein each beamforming sub-system is included in an access point of a distributed multiple-input multiple-output (MIMO) system, and wherein each beamforming sub-system is associated with a set of available beams. The method includes selecting pairs of one transmission beam and one reception beam, wherein a pair of the one transmission beam and the one reception beam are selected from the set of available beams of different ones of the beamforming sub-systems, and instructing the beamforming sub-systems to use each selected pair of one transmission beam and one reception beam for sounding signal measurements in a respective measurement resource.

Abstract: A method is disclosed for a wireless transceiver comprising a plurality of transceiver antenna elements and configured to operate in a communication network. The method comprises dynamically assigning (from the plurality of transceiver antenna elements) a first set of transceiver antenna elements allocated for channel sensing and a second set of transceiver antenna elements allocated for communication, performing channel sensing using the first set of transceiver antenna elements, and operating the wireless transceiver based on a result of the performed channel sensing.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes obtaining delay characteristic information for a set of wireless devices, the delay characteristic information for each of the set of wireless devices pertaining to one or more signaling beams of a set of signaling beams, and communicating with subgroups of wireless devices of the set of wireless devices using signaling beams selected from the set of signaling beams based on the delay characteristic information. For each subgroup, a different selected signaling beam is used for communicating. The disclosure also pertains to related devices and methods.

Abstract: A method is disclosed which is performed in a transmitter device configured for transmission of measurement signals for beam selection. The method comprises determining a collection of linear combinations of transmission beams, wherein the transmission beams are of a set of available transmission beams. A cardinality, R, of the collection of linear combinations of transmission beams is lower than a cardinality, N, of the set of available transmission beams. Each transmission beam in the set of available transmission beams is comprised in at least one linear combination of transmission beams, and at least one of the linear combinations of transmission beams comprises less than all transmission beams of the set of available transmission beams. The method also comprises transmitting measurement signals to a receiver device, wherein each of the measurement signals corresponds to a linear combination of transmission beams from the collection of linear combinations of transmission beams.

Abstract: There is disclosed a method of operating a measuring radio node in a wireless communication network, the method includes transmitting signaling based on delay spread information, the delay spread information being based on and/or representing delay spread associated to received reference signaling. There are also disclosed related devices and method.

Abstract: Embodiments of the present disclosure provide a method, a transmitter node, a receiver node, and a computer program product for communication of information in a communication channel comprising at least one main band and an adjacent guard band. The method is performed by a transmitter node in a wireless communication network. The method comprises determining whether to transmit information in the guard band based one or more configured transmission parameters associated with the transmitter node. Upon determination to transmit information in the guard band, the method comprises determining transmission power for frequency resources allocated in the guard band based on a spectral mask defining a power density limit across an allocated frequency range. The method further comprises transmitting first information on the frequency resources allocated in the guard band and second information on frequency resources allocated in the main band to a receiver node according to the determined transmission power.

Abstract: There is provided mechanisms for calibrating transmit antenna chains and receive antenna chains of an antenna system. A method is performed by a network node. The method comprises obtaining a set of observations from bi-directional sounding of pairs of antennas of the antenna system. Each of the antennas has one transmit antenna chain and one receive antenna chain. The observations are represented by a composite product of transmit calibration weights, receive calibration weights, and signal leakage terms. The method comprises estimating the transmit calibration weights and the receive calibration weights from a decomposition of the composite product. The method comprises calibrating the transmit antenna chains and the receive antenna chains by applying as calibration factors the estimated transmit calibration weights to the transmit antenna chains and the receive calibration weights to the receive antenna chains.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a first set of one or more signaling beams, wherein communicating includes performing beamforming for one or more signaling beams of the first set based on a set of beam signaling characteristics. Each beam signaling characteristic pertains to a reference beam. The disclosure also pertains to related devices and methods.

Abstract: A beamforming selection method of a first wireless communication node is disclosed. The method includes receiving first reference signaling, transmitted from a second wireless communication node using a first beamforming setting, generating a first channel estimate based on the first reference signaling, and transmitting, using a second beamforming setting, second reference signaling for reception by the second wireless communication node, wherein each coefficient of the second beamforming setting represents a complex conjugate of a corresponding component of the first channel estimate. In some embodiments, the method further includes iterating the receiving, generating, and transmitting steps until a stopping criterion is met. For example, the stopping criterion may include that a number of iterations performed equals a maximum number of iterations, and/or that a beamforming convergence criterion is met. Corresponding apparatus, wireless communication node and computer program product are also disclosed.