Abstract: Systems, methods, apparatuses, and computer program products for dynamic antenna array angular phase deviation compensation for broad beam positioning. For example, certain embodiments may provide for multi-round trip time (multi-RTT) positioning where a user equipment (UE) may report time of departure (TOD) compensation values to a serving gNB and/or location management function (LMF). The LMF may calibrate the RTT computation with the received TOD compensation values. As another example, certain embodiments may provide for uplink time difference of arrival (UL-TDOA) positioning where an LMF may signal calculated assistance information to the UE to request time of departure TOD compensation values. The UE may report the TOD compensation values to a location management function (LMF), and the LMF may compensate initial relative time of arrival (RTOA) estimates using the TOD compensation values.

Abstract: Systems, methods, apparatuses, and computer program products for asset tracking joint sounding reference signal (SRS) transmission. A location management network node may send a positioning failure message to a serving network node. The serving network node may group devices if one or more criteria are met. When one or more of the devices can be grouped, the serving network node may assign and distribute, to devices, a multi-tag-SRS sequence identifier that may be used by the devices in the group. The serving network node may compute and send, to the devices in the group, a multi-tag-SRS transmit configuration. The devices may perform a joint SRS transmission. The location management network node may compute a location of a centroid for the group of devices associated with the reported metric.

Abstract: Embodiments of the present disclosure relate to updating positioning assistance configuration. A first device transmits a first request for updating a current positioning assistance configuration of the first device to a second device. The first device is in a radio resource control inactive mode, and the current positioning assistance configuration is used by the first device to receive a plurality of positioning reference signals from a plurality of positioning devices. Further, the first device receives a first response comprising a requested positioning assistance data for updating the current positioning assistance configuration from the second device. In this way, the first device can maintain being in a power saving mode meanwhile update the positioning assistance configuration in time.

Abstract: The present disclosure relates to User Equipment positioning apparatuses, methods and computer programs. Certain examples provide a User Equipment, UE (110), comprising means (500) for: receiving (201), from a Radio Access Network, RAN, node (120), positioning configuration information (801, 801?) for configuring the UE to perform a device-to-device communication channel based positioning procedure (803, 803) with one or more other UEs (110a, 110b) for enabling the UE to determine information (804) indicative of one or more positions of the one or more other UEs relative to the UE; performing (202), based at least in part on the configuration information, the device-to-device communication channel based positioning procedure and determining therefrom information indicative of the one or more positions of the one or more other UEs relative to the UE; and transmitting (203), to the RAN node, the information indicative of the one or more positions of the one or more other UEs relative to the UE.

Abstract: An apparatus and method for beam steering is disclosed. The apparatus comprises: a beam forming signal generator configured to generate a beam forming signal for applying to at least one of amplitude and phase shift circuitry associated with an antenna array to provide a radiation pattern. A determining means is provided that is configured to determine a signal strength of interfering signals received at the antenna array within a user equipment and to determine a dominant interfering ratio indicative of a strength of a strongest interfering signal relative to a strength of other interfering signals. A comparator is provided that is configured to compare the dominant interfering ratio to a predetermined ratio value and where the dominant interfering ratio exceeds the predetermined ratio value to generate a control signal for controlling the beam forming signal generator to generate a radiation pattern comprising a beam and at least one steered null.

Abstract: An apparatus, method and computer program product for: providing (305) at least one single-polarized radio beam in a first direction, receiving (310) feedback for modifying operation of a terminal device for maintaining a radio connection, determining (315), in response to receiving the feedback, a first radio beam and a second radio beam, wherein the first radio beam and the second radio beam are single-polarized, providing (320) the first radio beam in the first direction and the second radio beam in a second direction and determining (325), based on the feedback relating to the first radio beam and the second radio beam, a need for reconfiguration of a following transmission of the first radio beam and the second beam.

Abstract: An apparatus, which comprises at least one antenna array comprising a plurality of array elements having cross-polarized coupled branches, is configured to adjust at least its uplink beam steering direction by measuring (301), while transmitting a combined uplink signal via the plurality of the an-ay elements as individual signals forming the combined uplink signal, per an array element, first signal on an unused branch of the array element, and using the first signal and reference information in the memory to adjust if needed, at least one beam steering setting.

Abstract: Disclosed is a method comprising selecting a reference point associated with a position of a terminal device (302), determining a timing offset associated with one or more first antenna panels (304), wherein the timing offset is determined based at least partly on the reference point, and applying the timing offset to the one or more first antenna panels (305).

Abstract: According to an example aspect of the present invention, there is provided an apparatus for a base station including at least one processing core, configured to cause the apparatus at least to define a first cluster of time-division duplex user equipments at least partly by including in the first cluster user equipments whose uplink signals may be received using a single first directional beamforming beam, determine a ratio of received signal strengths of a pair of user equipments in the first cluster, the pair including a first user equipment associated with the apparatus and a second user equipment associated with a neighbouring base station device, and responsive to the ratio fulfilling a predetermined condition, inform the neighbouring base station device of a scheduling plan of the first user equipment.

Abstract: Systems, methods, apparatuses, and computer program products for transmitter residual carrier frequency offset compensation. The method may include receiving, at a reference user equipment, configuration for a positioning reference measurement from a network element. The method may also include estimating a transmission carrier frequency offset of the network element based on the positioning reference measurements. The method may further include transmitting the estimated transmission carrier frequency offset in a report to the network element.

Abstract: Abstract: Disclosed is a method comprising increasing an antenna isolation between a first antenna panel and a second antenna panel by adjusting a radiation pattern associated with the first antenna panel and/or with the second antenna panel (1501). A first signal is then received via the first antenna panel and a second signal is transmitted via the second antenna panel substantially simultaneously (1502).

Abstract: Systems, methods, apparatuses, and computer program products for GIS-NR beamforming for mmWave. For example, certain embodiments may provide for beam realignment, through which a serving network node may be able to re-position its beam towards a UE without the UE explicitly measuring and signalling to the network node the need for realignment. Instead of performing the traditional UE-based exhaustive beam search, the serving network node may proactively switch the beam in an attempt to track the UE movements. The serving network node may do this by corroborating information from two types of sources: 1) a set of neighbor mobile or fixed network nodes and 2) a geographic information system (GIS).

Abstract: Example embodiments relate to an apparatus, method and computer program for timing compensation, for example timing compensation in relation to timing information provided by one or more positioning reference units (PRUs). An example method may involve providing data representing a timing error associated with a first position reference unit located at a first known position, with respect to a second position reference unit located at a second known position. The method may also comprise modifying timing information received from the first position reference unit, the modifying being based on at least the first timing error.

Abstract: An apparatus comprising: a switching arrangement configured to split an antenna array panel, comprising an array of antenna elements, to provide a first part for a first downlink beam from a first transmitter and a second part for a second downlink beam from a second transmitter, wherein the first downlink beam and the second downlink beam have independent directions; and the switching arrangement being configured to enable inter-band carrier aggregation at receiver circuitry using a first component carrier received at the first part of the antenna array panel via the first downlink beam and a second component carrier received at the second part of the antenna array panel via the second downlink beam.

Abstract: An apparatus including: circuitry for receiving reference signals including a plurality of channel synchronization signal blocks and/or state information reference signals on a downlink channel; circuitry for measuring received signal power and/or quality level of said reference signals; circuitry for estimating arrival directions or an arrival antenna panel for a plurality of beams associated with said reference signals; circuitry for estimating, based on at least the received signal power and/or quality level, a required transmission power for a random access channel preamble for each beam; circuitry for selecting, in response to detecting a failure of a serving beam, another of said beams according to spatial diversity and/or required transmission power; and circuitry for sending the random access channel preamble on the selected beam.

Abstract: Certain examples of the present invention relate to carrier management in a wireless communication network. Certain examples provide a User Equipment, UE, comprising: means for receiving, following a maximum permissible exposure, MPE, event occurring during operation over a first carrier such that the UE is no longer operating over the first carrier, a first signal, over a second carrier, for configuring the UE to determine a status of the MPE event associated with the previously used first carrier; means for determining, responsive to receipt of the first signal, a current status of the MPE event associated with the previously used first carrier; and means for transmitting, responsive to receipt of the first signal, a second signal over the second carrier, wherein the second signal comprises an indication of the current status of the MPE event associated with the previously used first carrier.

Abstract: Disclosed is a method comprising transmitting or receiving, by a first terminal device (100), a first signal via a first antenna (1901), said first signal transmitted to or received from a second terminal device (102), and then switching, by the first terminal device, a polarization of the first antenna (1902), and then transmitting or receiving, by the first terminal device, a second signal via the first antenna (1903), said second signal transmitted to or received from the second terminal device.

Abstract: A method including receiving a first reference signal, wherein the first reference signal is having a first bandwidth in a first frequency range, determining an angle of arrival of a line of sight component of the first reference signal, receiving a second reference signal, wherein the second reference signal is having a second bandwidth in a second frequency range, wherein the second bandwidth is greater than the first bandwidth, determining a time of arrival of a line of sight component of the second reference signal, based on the first reference signal and on the second reference signal, determining a link quality measure, and based on the link quality measure, the time of arrival and the angle of arrival, performing a position estimation to obtain an estimated position, wherein the first reference signal and the second reference signal are received from a same transmit-receive point.

Abstract: To increase positioning accuracy, channel characteristics are determined taking into account receive filter response and transmit filter response. For example, upon receiving assistance data for positioning an apparatus, a transmit sequence is generated using the assistance data; and a combination of the transmit sequence is generated by combining the transmit sequence. Further, a receive filter response is determined, a transmit filter response is obtained, and a combined filter response is generated using the receive filter response and the transmit filter response. Reference signals received over a channel are measured by sampling them into a plurality of time-domain samples, and the channel is estimated from the plurality of time-domain samples using the combined filter response and the combination of the transmit sequence. Then, per channel characteristics, a value of the channel characteristics based on the channel estimated is determined.

Abstract: Example embodiments may relate to systems, methods and/or computer programs relating to positioning, for example for terminating or adapting an established positioning session under certain conditions. For example, the method may involve monitoring, for a plurality of time instances during transmission over a wireless channel of a positioning signal from a first terminal to a second terminal as part of a positioning session, one or more features of the wireless channel. The method may also involve identifying based on a value of one, or a combination, of the monitored one or more features between a first time instance and a second time instance, a change indicative of transition of at least one of the first and second terminals from a first environment to a second environment. The method may also involve causing termination or adaptation of the active positioning session responsive to the identification.