Abstract: A method includes receiving (3006) at least one report signal (813) from at least one relay node (103, 104, 400), the at least one report signal (813) being associated with a plurality of communication links (111-115) formed by a first node (101, 400), a second node (102, 400), and the at least one relay node (103, 104, 400). The method also includes determining (3007) a multi-hop transmission path (192) for communication between the first node (101, 400) and the second node (102, 400) using communication links (111, 112) selected from the plurality of communication links (111-115), based on the at least one report signal (813) and a spectrum access restriction of a spectrum access of the first node (101, 400).

Abstract: Examples provide a method of operating a first communication node, CN.

Abstract: A method of operating a wireless communication device (101) includes receiving (3002) at least one downlink control message (411, 412, 4002) from a communications network (100), the at least one downlink control message (411, 412, 4002) being indicative of a frequency density (401-404) of uplink reference signals (31), the uplink reference signals (31) being for an estimation of a radio channel (114) between the wireless communication device (101) and the communications network (100) to coherently decode data signals encoding data of a uplink data transmission (4012), the uplink reference signals (31) and the data signals using the same precoding.

Abstract: A method includes receiving (402) a plurality of reference signals (301-303) at an antenna port of a communication device (101). Each reference signal (301-303) is sent using a corresponding precoder. The precoder is selected from a first set of precoders. The method further includes determining (403) a channel estimate based on the received plurality of reference signals (301-303), and selecting (404) a precoder from a second set of precoders based on the determined channel estimate. The second set of precoders comprises at least one precoder in addition to the precoders of the first set of precoders. The method includes sending (405) an indication (304) relating to the selected precoder.

Abstract: A method of operating a node of a communications network includes obtaining a timing parameter associated with a guaranteed availability of an uplink calibration gap for performing a calibration of one or more radio-frequency components of a wireless communication device connected to the communications network, and based on the timing parameter, allocating at least one resource to the wireless communication device for performing the calibration, wherein the at least one resource has a timing that is in accordance with the guaranteed availability.

Abstract: A method of operating a wireless communication device (102) connectable to a communications network (100) includes obtaining an indication of multiple repetitive resources (370) that the wireless communication device (102) is allowed to use for performing a calibration of one or more radio-frequency components; and prior to performing the calibration: selecting at least one resource from the multiple repetitive resources for performing the calibration.

Abstract: A method (20) performed by a wireless terminal (10) in a wireless communication network (10, 30) is provided. In the method (20), based on a (fundamental) polarization tracking capability of the wireless terminal (10), at least one downlink polarization of at least one downlink communication between the wireless terminal (10) and an access node (30) of the wireless communication network (10, 30) is determined (204). A reference polarization from the at least one downlink polarization is selected (207). Based on the reference polarization and a (momentary) polarization tracking ability of the wireless terminal (10), at least one uplink polarization of at least one uplink communication between the wireless terminal (10) and the access node (30) is configured (210). A corresponding method (40) performed by the access node (30) is also provided, as well as the mentioned wireless terminal (10) and the access node (30).

Abstract: According to a first aspect, examples provide a method of operating a first communication node (CN), wherein the first CN is configured for controlling a first CED, wherein the first CED is reconfigurable to provide multiple spatial filterings, each one of the multiple spatial filtering being associated with a respective input spatial direction from which incident signals on a radio channel are accepted and with a respective output spatial direction into which the incident signals are transmitted by the first CED.

Abstract: A method carried out in a UE (1) for estimation of a parameter of a communication link, such as Timing Advance, for use in communication with an orbiting satellite-based access node (141) of a non-terrestrial network (130). The method comprises determining, at repeated occasions, a time of reception (Tk) in the UE of a reference signal which is transmitted with a predetermined period (?P) from the access node. A value of the parameter is calculated based on a position (51,52) which satisfies a spatial condition for the UE, which spatial condition is given by a propagationtime difference (?k) of the reference signal between said occasions (Tk, Tk+1).

Abstract: An access node (120) of a wireless network (100), comprising a wireless transceiver (313) coupled to an antenna arrangement (314) for communication of radio signals in a plurality of beams; logic (310) configured to control the wireless transceiver to: transmit (505) a plurality of synchronization signals in a period (P) of a beam sweep, in which each of said synchronization signals identifies a beam-specific resource to be used when responding to the beam sweep; and monitor (560) omni-directionally dedicated resources allocated for reception of a low latency message (55) from a wireless terminal (10). The dedicated resources may be are allocated throughout said period, allowing for unscheduled transmission of the message to the access node.

Abstract: A re-configurable repeater device—such as a large intelligent surface or an amplify-and-forward repeater—includes an array of reflective elements and a beam-shaping unit in front of the array. The beam-shaping unit is configured to increase a beam diameter of an incoming beam. For instance, the divergence of incoming electromagnetic waves can be increased. It would be possible that the beam-shaping unit is im-plemented as a lens, e.g., a Luneberger-type lens.

Abstract: A device (112, 130) is configured to communicate data (108) on a radio channel (101, 105, 106) according to a radio access technology. The radio access technology comprises pilot signals and transmission blocks for the data (108). The device (112, 130) is further configured to participate in the radar probing (109) employing at least some of the pilot signals as radar probe pulses of the radar probing (109).

Abstract: A method of operating a re-configurable reflective device, RRD (109) is provided. One or more wireless communication devices (102, 103, 104) are served by an access node (101) via the RRD (109) using multiple spatial data streams. The RRD (109) comprises multiple reflective elements (1094), the multiple reflective elements (1094) being grouped into a plurality of subsets (691-697), the multiple reflective elements (1094) of each subset (691-697) being re-configurable to provide multiple spatial filters.

Abstract: A method is disclosed, performed by a network node, for beam suppression at a wireless device. The wireless device is configured to communicate with the network node. The method comprises transmitting, to the wireless device, reference signals for channel estimation of a set of beams. The method comprises communicating, between the network node and the wireless device, control signaling indicative of beam suppression of at least one beam of a first subset of beams suppressible by the wireless device.

Abstract: Examples relate to a method of operating a first communication node (CN). The first CN is configured for controlling a re-configurable relaying device (RRD), in particular a re-configurable reflective device, the RRD being reconfigurable to provide multiple contemporaneous spatial polarization filterings, each one of the multiple spatial polarization filterings being associated with a respective input spatial direction from which incident signals on a radio channel are accepted and with a respective output spatial direction into which the incident signals are transmitted, in particular reflected, by the RRD. The method comprising providing, to a second CN, a message indicative of the RRD being configurable to transmit an incident signal from a second CN using an output spatial direction to the first CN depending on a property of the incident signal. Further examples, relate to methods of operating the second CN and the RRD. Still further examples, relate to corresponding first CNs, second CNs and RRDs.

Abstract: An access node—e.g., a base station—provide a wireless communication device with a configuration of a reference-signal transmission in response to a need to facilitate angle-of-arrival measurements a reconfigurable repeater device.

Abstract: Examples provide a method of operating a first communication node (CN), wherein the first CN is configured for controlling a re-configurable relaying device (RRD), the RRD being re-configurable to provide spatial polarization filtering, the spatial polarization filtering being associated with an input spatial direction from which incident signals on a radio channel are accepted and with an output spatial direction into which the incident signals are transmitted by the RRD with configurable output polarizations set by the spatial polarization filtering, the method comprising providing, to the RRD, a control message indicative of predefined measurement spatial polarization filters; providing, to a second CN, a message requesting the second CN to transmit first reference signals associated with the predefined measurement spatial polarization filters, and receiving, on the radio channel from the second CN, first reference signals associated with the predefined measurement spatial polarization filters indicated by

Abstract: A base station, a user equipment and methods are provided for establishing access in a base station for a user equipment and for performing measurement in a user equipment in a radio communication system. The method includes transmitting a plurality of synchronization signal blocks at different frequencies within a wideband carrier from the base station, wherein each synchronization signal block is associated with each one cell supported by the base station. An indication is received in the base station, that a user equipment supports wideband operation. A first cell signal is transmitted from the base station to the user equipment, which first cell signal provides information identifying the cells available within the wideband carrier.

Abstract: The present invention relates to a method for operating a base station (10) of a wireless communication network. Precoding information for concentrating a radio-frequency power of a transmitted radio-frequency signal to a group of terminal devices (41 to 43) arranged in a sub area (37) of a coverage area (30) of the base station (10) is determined and applied to an antenna array (11) of the base station (10). A synchronization signal is transmitted from the base station (10) to the group of terminal devices (41 to 43) using the precoding information.

Abstract: The present disclosure provides a method, performed at a network node, for beam control signalling. The network node is configured to communicate with a wireless device comprising one or more physical antenna panels. Each physical antenna panel is configured to communicate with the network node using one or more panels. The method comprises receiving, from the wireless device, control signalling indicative of an association of the one or more panels with one or more corresponding physical antenna panels. The method comprises selecting, based on the association, one or more beams to be used by the wireless device in communication with the network node.