Abstract: Various example embodiments relate to devices, methods, apparatuses and computer readable mediums for virtual cable calibration in over the air conformance testing. In an example embodiment, a terminal device may receive training signals from at least four probes, estimate a channel based on the received training signals, and transmit a representation of the estimated channel to a test equipment coupled to the at least four probes. The terminal device and the at least four probes are positioned in a testing chamber. The estimated channel includes an over the air, OTA, channel portion between the at least four probes and the terminal device. The representation of the estimated channel is transmitted to the test equipment for compensation of the OTA channel portion.

Abstract: An apparatus may be configured to: receive, from a network, an indication of one or more sets of ports, wherein the one or more sets of ports are grouped; receive, from the network, at least one parameter for port interference detection, wherein the at least one parameter for port interference detection comprises at least one of: a scrambled cyclic redundancy code, a number of interfered ports, a set index for a set of at least one of the one or more sets of ports, or an indication of a selected set of the one or more sets of ports; and determine the set of at least one of the one or more sets of ports based, at least partially, on the at least one parameter for port interference detection.

Abstract: A method performed at a node is described. In response to receipt of a signal in a channel in the unlicensed spectrum, the node initiates a scan on one of the channels in the unlicensed spectrum to determine whether the channel is available for transmitting a response. Based on the channel being available, a response is transmitted that comprises information regarding the quality of the channel and the quality of other channels in the unlicensed spectrum along with an indication as to whether the signal was successfully received and decoded.

Abstract: Embodiments of the present disclosure relate to methods, devices, apparatuses, and computer readable medium for low latency communication in unlicensed spectrum. The method comprises transmitting, by a device, latency information to at least one other device for adjusting a channel occupancy time, COT, of the at least one other device. The latency information is associated with a first maximum tolerable latency for a first data transmission performed by the first device on an unlicensed spectrum.

Abstract: An apparatus such as a user equipment configured to support an irregular bandwidth signal. The apparatus comprising multiple means for frequency translating a wireless communication signal in a frequency bandwidth that is different to a predefined bandwidth and for filtering said frequency translated wireless communication signals. Means for adjusting a centre frequency used by the multiple means for frequency translating; and control means.

Abstract: Example embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage medium of demodulation reference signal (DMRS) for co-scheduled device. In a method, a first apparatus receives, from a second apparatus, an indication of a time period within which at least one co-scheduled terminal device of the first apparatus is present and a set of DMRS ports allocated for the first apparatus and the at least one co-scheduled terminal device are constant. The first apparatus decodes one or more downlink data transmission in consecutive downlink slots within the time period at least based on the indication.

Abstract: In accordance with embodiments, there are disclosed a method and apparatus for receiving, from a network, a configuration for multi-user multiple input multiple output; and apply at least one default setting for at least one parameter for a multi-user multiple input multiple output advanced receiver, based on the configuration for multi-user multiple input multiple output; receive, from the network, a configuration for the at least one parameter for the multi-user multiple input multiple output advanced receiver; and apply at least one non-default setting for one or more of the at least one parameter for the multi-user multiple input multiple output advanced receiver, in response to the one or more of the at least one parameter being present within the configuration for the at least one parameter for the multi-user multiple input multiple output advanced receiver.

Abstract: A UE receives configuration for interference mitigation pattern(s) indicating which resource elements in a time-frequency resource space should be measured. The UE performs interference measurements based on the received one or more interference mitigation patterns. A network node determines configuration for interference mitigation pattern(s0 indicating which resource elements in a time-frequency resource space should be measured by a user equipment. The network node sends, toward the user equipment, the configuration for use by the user equipment to perform interference measurements of the one or more interference mitigation patterns.

Abstract: Various example embodiments relate to devices, methods, apparatuses and computer readable mediums for virtual cable calibration in over the air conformance testing. In an example embodiment, a terminal device may receive training signals from at least four probes, estimate a channel based on the received training signals, and transmit a representation of the estimated channel to a test equipment coupled to the at least four probes. The terminal device and the at least four probes are positioned in a testing chamber. The estimated channel includes an over the air, OTA, channel portion between the at least four probes and the terminal device. The representation of the estimated channel is transmitted to the test equipment for compensation of the OTA channel portion.

Abstract: An apparatus configured to: receive, from a network node, a configuration for one or more resource elements having zero power; receive downlink control information, wherein the downlink control information comprises, at least, an aperiodic indication for triggering resource elements having zero power; and determine a number of co-scheduled user equipments in a physical downlink shared channel based, at least partially, on at least one of: an index associated with the one or more resource elements, a number of the one or more resource elements, or a number of the one or more resource elements triggered with the aperiodic indication; and identify co-scheduled-UE interferer information based on the number of co-scheduled-UEs and the resource elements having zero power. The co-scheduled-UE interferer information includes determination of the MO, FDRA and DMRS ports of each co-scheduled UE.

Abstract: A network element in a wireless network sends, to a target UE, configuration of CSI RSs for use in a time-frequency resource space of a PDSCH. The configuration informs the UE to use the CSI RSs for interference parameter detection of co-scheduled UE(s) in the PDSCH. The network element transmits, toward the target UE, the CSI RSs. A target UE in a wireless network receives, from a network element, configuration of CSI RSs for use in a time-frequency resource space of a physical downlink shared channel. The configuration informs the target UE to use the CSI RSs for interference parameter detection of co-scheduled UE(s) in the PDSCH. The target UE receives, from the network element, the CSI RSs. The target UE performs the interference parameter detection using the CSI RSs.

Abstract: An apparatus may be configured to: receive, from a network, an indication of one or more sets of ports, wherein the one or more sets of ports are grouped; receive, from the network, at least one parameter for port interference detection, wherein the at least one parameter for port interference detection comprises at least one of: a scrambled cyclic redundancy code, a number of interfered ports, a set index for a set of at least one of the one or more sets of ports, or an indication of a selected set of the one or more sets of ports; and determine the set of at least one of the one or more sets of ports based, at least partially, on the at least one parameter for port interference detection.

Abstract: There is provided generating, at a cell configured for a first air interface protocol, a reference signal based on a cell identifier for a second air interface protocol. At the cell configured for the first air interface protocol it is determined an air interface resource allocation for the first air interface protocol based on the cell identifier for the second air interface protocol. The cell configured for the first air interface protocol transmits the generated reference signal according to the determined air interface resource allocation.

Abstract: A UE receives configuration for interference mitigation pattern(s) indicating which resource elements in a time-frequency resource space should be measured. The UE performs interference measurements based on the received one or more interference mitigation patterns. A network node determines configuration for interference mitigation pattern(s0 indicating which resource elements in a time-frequency resource space should be measured by a user equipment. The network node sends, toward the user equipment, the configuration for use by the user equipment to perform interference measurements of the one or more interference mitigation patterns.

Abstract: An apparatus such as a user equipment configured to support an irregular bandwidth signal. The apparatus comprising multiple means for frequency translating a wireless communication signal in a frequency bandwidth that is different to a predefined bandwidth and for filtering said frequency translated wireless communication signals. Means for adjusting a centre frequency used by the multiple means for frequency translating; and control means.

Abstract: A method performed at a node where in response to receipt of a signal in a channel in the unlicensed spectrum, the node initiates a scan on one of the channels in the unlicensed spectrum to determine whether the channel is available for transmitting a response. If it is available, then a response is transmitted that comprises information regarding the quality of the channel and the quality of other channels in the unlicensed spectrum along with an indication as to whether the signal was successfully received and decoded. The method performed at the transmitting node is also disclosed, along with the transmitting and receiving nodes and a computer program for performing the methods.

Abstract: There is provided generating, at a cell configured for a first air interface protocol, a reference signal based on a cell identifier for a second air interface protocol. At the cell configured for the first air interface protocol it is determined an air interface resource allocation for the first air interface protocol based on the cell identifier for the second air interface protocol. The cell configured for the first air interface protocol transmits the generated reference signal according to the determined air interface resource allocation.

Abstract: According to an aspect, there is provided a controller of a pool of terminal devices comprising means for performing the following. Initially, information on requirements of data traffic to be handled by the pool of terminal devices and data traffic statistics for the pool are maintained in a memory of the controller. Upon receiving results of scanning of available radio access networks and capabilities from one or more primary terminal devices, the controller analyzes the results of the scanning, the requirements of the data traffic and the data traffic statistics to determine optimal radio access configurations for the pool of terminal devices for satisfying the requirements of the data traffic. Then, the controller configures the pool of terminal devices for providing radio access according to the optimal radio access configurations. Finally, the controller provides radio access using the pool of terminal devices according to the optimal radio access configurations.