Abstract: A communication system is provided. The communication system comprises a network node. The communication system comprises one or more aiding wireless devices, such as a plurality of aiding wireless devices. The communication system may comprise a coverage enhancing device, CED, configured to redirect signals according to a predetermined spatial pattern. The network node may be configured to send, to the plurality of aiding WDs, a WD configuration message to configure the plurality of aiding WDs for contemporaneously sending discovery signals. In a first configuration of the CED, the CED may be configured to redirect a first set of discovery signals emitted by the plurality of aiding WDs according to a first predetermined spatial pattern.

Abstract: A method is disclosed, performed by a first wireless node for enabling estimation of a position of a wireless terminal. The method comprises receiving, from a positioning node, a message indicative of a trained prediction model for determining a line-of-sight, LoS, path associated with the first wireless node during positioning of the first wireless node. The method comprises receiving, from the second wireless node, a reference signal. The method comprises determining, based on the reference signal and the trained prediction model, a line-of-sight, LoS, path between the first wireless node and the second wireless node. The wireless terminal is one of the first wireless node and the second wireless node.

Abstract: A method of operating a wireless communication device (or, simply device) is provided. The wireless communication device is configured for communication with a wireless communications network in a disconnected operational mode.

Abstract: Various aspects of the disclosure pertain to filter management procedures at coverage enhancing devices. Various examples relate to supporting spatial filters that profilter management for wide output beams at coverage enhancing devicesvide a wide beamwidth of the output beam.

Abstract: Disclosed is a method, performed by a transmit node, for transmitting a plurality of groups of symbol sequences comprising a first group of symbol sequences and a second group of symbol sequences. The method comprises obtaining a bit sequence for transmission. The method comprises obtaining, based on the bit sequence, M different coded versions of the bit sequence. The M is a positive integer. The method comprises obtaining the first group of symbol sequences based on modulating the M different coded versions with a first bitmap of a plurality of bitmaps of a modulation scheme. The method comprises obtaining the second group of symbol sequences based on modulating M different coded versions with a second bitmap of the plurality of bitmaps. The second bitmap and the first bitmap are different. The method comprises performing at least one transmissions of the first group of symbol sequences and of the second group of symbol sequences, to a receive node.

Abstract: A method is disclosed performed by a first wireless node, for enabling joint channel estimation in a time domain in a network. The method comprises determining a presence of a repeater node in a transmission path between the first wireless node and a second wireless node. The repeater node is enabled to relay a transmission between the first wireless node and the second wireless node. The method comprises transmitting, to the second wireless node, an indication indicating a condition associated with phase continuity and/or power consistency of the transmission between the first wireless node and the second wireless node.

Abstract: A method is disclosed performed by a transmitter node, for enabling reception beam selection at one or more receiver nodes. The method comprises obtaining a polarization profile, wherein the polarization profile defines a respective polarization for a sequence of probing occasions. The method comprises transmitting a pilot signal in each probing occasion of the sequence of probing occasions according to the polarization profile, in one single transmission beam. The polarization profile defines a first polarization to be used in N probing occasions and a second polarization to be used in M probing occasions in the sequence of probing occasions, where M is smaller than N and M is non-zero.

Abstract: Examples provide a method of operating a first communication node (CN), wherein the method comprises obtaining a capability of a coverage enhancing device (CED) to provide reconfigurable frequency filters for incident signals received along one or more input spatial directions on a radio channel and transmitted into one or more output spatial directions. determining a frequency filter to be applied by the CED; and providing, to the CED, a message indicative of the frequency filter to be applied by the CED. Further examples, provide a method of operating a CED and a second CN. Still further examples provide a first CN, a CED and a second CN configured for performing the methods.

Abstract: Disclosed is a method, performed by a transmit node, for transmitting N+1 bits to a receive node. N is a positive integer. The method comprises producing a modulation element by mapping the N+1 bits to a constellation point of a N-dimensional tuneable constellation, wherein the N-dimensional tuneable constellation is derived using a constellation tuning parameter. The method comprises determining, based on N, one or more physical resource elements for the modulation element. The method comprises transmitting, to the receive node, the modulation element, using the physical resource elements.

Abstract: An antenna assembly (10) includes a substrate (24) and an array of antenna elements (26). Each antenna element is supported by the substrate at respective locations so that the antenna elements are arranged in space in a helix pattern (28). The helix pattern has a pitch along an axis about which the helix pattern turns. An arc length spacing of the antenna elements along the helix pattern and the pitch are arranged so that, in a transmit mode, a radio frequency (RF) signal fed to each of the antenna elements results in emission of a radiated signal with a rotational wave front from the antenna assembly at a first frequency and a first mode.

Abstract: A method carried out in a radio node of a wireless network for facilitating joint channel estimation in communication with a User Equipment, UE, the method comprising: providing (702), to the UE, radio configuration for a channel (PUSCH, PUCCH) identifying resources for Uplink, UL, transmission within a first frequency domain allocation (83); configuring (704) the UE to transmit, in reference signal resources associated with the radio configuration, a reference signal (DMRS) for use in the radio node for joint channel estimation, wherein said reference signal resources comprise first reference signal resources (81) allocated within said first frequency domain allocation, and second reference signal resources (82) outside said first frequency domain allocation to facilitate joint channel estimation over a transmission disruption within the first frequency domain allocation.

Abstract: A multi-layer frequency selective surface is disclosed that exhibits a frequency response having a passband and one or more stopbands.

Abstract: A method of operating a first wireless communication device (101) communicating with a second wireless communication device (102) on a device-to-device link (114) in accordance with a pre-established beam pair is provided. The method includes communicating at least one message (4101-4103) indicative of an activation of at least one of a first transmission (181) of first reference signals (191) from the first wireless communication device (101) to the second wireless communication device (102), or a second transmission (182) of second reference signals (192) from the second wireless communication device (102) to the first wireless communication device (101). The activation of the at least one of the first transmission (181) or the second transmission (182) is for use in beam adjustment of the pre-established beam pair at the first wireless communication device (101).

Abstract: A reconfigurable device for influencing spatial properties of an incident radio wave comprises a first sheet having characteristics that vary along a first length direction of the first sheet, the characteristics relating to a first influencing of a spatial propagation of an incident radio wave, and a second sheet having characteristics that vary along a second length direction of the second sheet, the characteristics relating to a second influencing of a spatial propagation of an incident radio wave. A first actuator is coupled to the first sheet and configured to move the first sheet along the first length direction so as to selectively place a section of the first sheet in an exposed area of the reconfigurable device. A second actuator is coupled to the second sheet and configured to move the second sheet along the second length direction so as to selectively place a section of the second sheet in the exposed area.

Abstract: According to a first aspect, examples provide a method of operating a first communication node (CN) wherein the first CN is configurable for transmitting, to a second CN on a radio channel, orthogonal frequency-division multiplexing (OFDM) symbols via a first propagation path and a second propagation path, wherein each OFDM symbol comprises a prefix, in particular a cyclic prefix, wherein transmitting the OFDM symbols via the first propagation path comprises transmitting the OFDM symbols to the second CN via a coverage enhancing device, wherein the method comprises providing, to the CED, a message indicative of a delay which is to be applied, by the CED, to incident signals, wherein the first CN selects the delay which is to be applied, by the CED, to the incident signals, to result in an arrival, at the second CN, of a first signal portion transmitted via the first propagation path of a first OFDM symbol being aligned with an arrival, at the second CN, of a second signal portion transmitted via the second pr

Abstract: According to a first aspect, examples provide a method of operating a first communication node (CN), wherein the first CN is configurable for exchanging, with a second CN on a radio channel, signals via a first propagation path and a second propagation path, wherein exchanging the signals via the first propagation path comprises exchanging the signals via a coverage enhancing device (CED), wherein the method comprises providing, to the CED, a message indicative of an activity pattern for establishing the first propagation path. Further examples provide a method of operating a CED, a first CN, a CED and a second CN.

Abstract: First signals and second signals are communicated using polarization multiplexing. Different spatial filters are applied at a reconfigurable relaying device for the first and second signals.

Abstract: A method is disclosed, performed by a first wireless device (WD) for assisting a first network node in determining a network node property. The method comprises determining whether the first WD satisfies one or more conditions for providing reference information. The method comprises, upon determining that the first WD satisfies the condition for providing the reference information, transmitting, to the first network node, an indication indicative of the first WD being capable of providing the reference information. The method comprises receiving, from the first network node, a request to provide the reference information. The method comprises providing, to the first network node, reference information for assisting the first network node in determining a network node property.

Abstract: A method of operating a terminal node (310) configured to communicate with one or more network nodes using a re-configurable relaying device (330), RRD, is provided. The RRD is re-configurable to provide spatial filters, each one of the spatial filters being associated with a respective spatial direction into which incident signals are selectively transmitted by the RRD. The method comprises receiving (6002) a plurality of positioning reference signals, PRSs, transmitted by the one or more network nodes, and, upon a first PRS (363) and a second PRS (362) of the plurality of PRSs being received from a same network node (320) of the one or more network nodes, the first PRS (363) being received along a path which is relayed at the RRD (330): transmitting (6006) a measurement report message comprising positioning information for the terminal node (310) based on at least the first PRS (363) and second PRS (362).

Abstract: A method for use in abase station (121) arranged for radio communication with user equipment, UE, via a time division duplexing, TDD, repeater (300), the method comprising: determining base station configuration of: a first period (BS DL Tx) usable for downlink, DL, communication, a second period (BS UL Rx) usable for uplink, UL, communication, and a guard period (GP) between the first and second periods, and transmitting configuration information to the repeater 300, identifying a starting point (Tu) of a repeater UL slot (REP DL SLOT) having an offset to the second period, wherein said starting point (Tu) is dependent on timing advance (TA) applied by one or more UEs served by the base station.