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 carried out in a user equipment, UE, for facilitating positioning of the UE in a communication network comprising a non-terrestrial access network of satellite-based access nodes, the method comprising: receiving at least two references signals which are transmitted at different occasions from the same satellite-based access node at different satellite trajectory positions; obtaining, for each received reference signal, a time stamp of reception and a reference signal occasion identifier conveyed in the reference signal, for calculation of a UE position.

Abstract: A first terminal receives, on a radio link of a cellular network, at least one uplink pilot signal transmitted by at least one second terminal. The first terminal transmits, on the radio link and to an access node of the cellular network, an uplink report message indicative of at least one property of the received at least one uplink pilot signal.

Abstract: A composite antenna device (10) configured for omnidirectional operation, comprising a first antenna system (100) configured for use in a first frequency band of a first frequency range (FR2), comprising multiple first antenna elements (110, 110A) arranged in a cylindrical configuration; a second antenna system (200) configured for use in a second frequency band of a second frequency range (FR1) at a frequency which is lower than the first frequency band; and a housing (11) enclosing the first and second antenna systems, wherein the first and the second antenna systems are configured for omnidirectional operation about an axis (12) of the composite antenna device.

Abstract: Disclosed is a method, performed by a network node, for interference coordination for side-link communication between a first and a second User Equipment, UE. The method comprises sending, to the first and second UE, information allowing the first and the second UE to perform a side-link beam sweep for establishing a side-link beam pair in a set of resources. The method comprises sending, to other wireless nodes in the network, wherein other wireless nodes are bystanders to the side-link communication, information indicating that a potentially interfering transmission is to occur in the set of resources allowed for the side-link beam sweep of the first and the second UE. The method comprises receiving, from the first and/or the second UE, beam pair information indicative of one or more beam pairs intended for side-link communication between the first and the second UE.

Abstract: Antenna (1), for use in a wireless terminal including a ground plane (11) and a metal frame (12) encompassing the ground plane with a gap (13) between the metal frame and the ground plane; wherein said antenna is configured to form a grounding connection (15) between the ground plane and the metal frame for operation in a first frequency range (FR1); and wherein the antenna comprises an open cavity structure (100) for a second frequency range (FR2).

Abstract: An antenna (100) comprises a waveguide (120) formed by a first horizontal conductive layer (121) of a multi-layer circuit board (110), a second horizontal conductive layer (122) of the multi-layer circuit board, and vertical sidewalls formed by conductive vias (123, 124) extending between the first conductive layer (121) and the second conductive layer (122). Further, the antenna (100) of comprises a parallel plate resonator (150) at one end of the waveguide (120). The parallel plate resonator (150) is formed in the multilayer circuit board (110), by a first horizontal conductive plate (151) adjacent to the first conductive layer (121) and a second horizontal conductive plate (152) adjacent to the second conductive layer (122). Further, the antenna (100) comprises at least one conductive via (155) extending from one of the first conductive plate (151) and the second conductive plate (152) towards the other of the first conductive plate (151) and the second conductive plate (151).

Abstract: Operating a cellular multiple-input and multiple-output system including a first device having an antenna array having a plurality of antennas, and a second device having at least two antennas includes a same uplink pilot signal broadcast from each antenna of the second device, and received at the antenna array of the first device. Depending on the received same uplink pilot signal, a first set of first device receiving parameters for the antenna array is determined. From each antenna of the at least two antennas of the second device, a corresponding uplink pilot signal is sent and received at the antenna array of the first device using the first set of first device receiving parameters. At the first device, for each received uplink pilot signal, a corresponding second set of first device receiving parameters is determined depending on the plurality of received orthogonal uplink pilot signals.

Abstract: A method for antenna selection, performed by a user equipment, UE, in a wireless communication system includes determining signal performance of a signal received by the UE. The signal is received by an array antenna of the UE for communication with a network node of the wireless communication system. The method includes determining a signal decay rate associated with the signal performance of the signal, and replacing the array antenna with an omni-directional antenna of the UE for communication with the network node, based on the signal decay rate. Related devices are also described.

Abstract: A radio communication terminal (UE2) configured to act as a radar receiver, comprising: —a radio transceiver (323), —logic (320) configured to communicate data, via the radio transceiver, on a radio channel (101), wherein the logic is further configured to obtain (233), via the radio transceiver, a radar probing request (230) to detect radio signal echoes; determine (235) a receive direction (Dir2) based on the request; control the radio transceiver to detect (242) a receive property of the radio signal echoes in said direction; and transmit (261), via the radio transceiver, data (260) associated with the detected receive property to a radio communication device (BS1, UE1).

Abstract: An antenna (100) comprises a cavity (120) formed by a conductive plate (121) in a first horizontal conductive layer (221) of a multi-layer circuit board and a vertical sidewall formed by conductive vias (222) extending from the conductive plate (121). Further, the antenna (100) comprises an antenna patch (130) arranged in the cavity. The antenna patch (130) is formed in a second conductive layer (223) of the multi-layer circuit board and is peripherally surrounded by the vertical sidewall of the cavity (120).

Abstract: An antenna module for beam steering at mm Wave frequencies is described. The antenna module includes a plurality of antenna elements. The antenna module is configured to selectively activate a first antenna element of the plurality of antenna elements, while remaining ones of the plurality of antenna elements are passive, for beam steering in a first direction. The antenna module is further configured to selectively activate a second antenna element of the plurality of antenna elements, while the remaining ones of the plurality of antenna elements and the first antenna element are passive, for beam steering in a second direction. The first antenna element and the second antenna element are respectively configured to resonate at a resonant frequency when activated. Related systems and devices are also described.

Abstract: A SIW-antenna includes a SIW-structure extending along a horizontal plane for guiding electromagnetic waves along a longitudinal direction from a first feed to a radiation aperture, and a parallel plate resonator arranged at the radiation aperture and having a first flat portion extending in a first plane parallel with the horizontal plane and a second flat portion extending in a second plane parallel with the horizontal plane. The first and second planes are separate from each other. The first flat portion has an additional antenna structure connected to a second feed. The second flat portion has a plurality of flat tabs extending in the longitudinal direction. The SIW-structure is configured to radiate electromagnetic waves polarized in a first direction. The additional antenna structure is configured to radiate electromagnetic waves polarized in a second direction orthogonal to the first direction.

Abstract: A method for antenna selection, performed by a user equipment, UE, in a wireless communication system includes determining signal performance of a signal received by the UE. The signal is received by an array antenna of the UE for communication with a network node of the wireless communication system. The method includes determining a signal decay rate associated with the signal performance of the signal, and replacing the array antenna with an omni-directional antenna of the UE for communication with the network node, based on the signal decay rate. Related devices are also described.

Abstract: An antenna device configured for wireless positioning. The antenna device includes a ground plane having a polygonal shape comprising at least 4 side edges. A plurality of chip antenna elements tuned to a predetermined radio frequency are each singly provided at one of said side edges with a spacing between adjacent ones of said chip antenna elements corresponding to ½ of a wavelength of said predetermined radio frequency. A patch antenna element tuned to said predetermined radio frequency is provided at a center portion of a front side of the ground plane.

Abstract: Pulse signal transmission, such as radar pulses or the like are used in a high frequency mobile communication network as a means for determining or assisting in determining the likely presence of User Equipment (UE) and/or tracking UE in a predetermined area. As a result of determining the likely presence of UE and/or tracking UE, such information may be used to expedite either a handover or establish re-connection within the communication network. In this regard, more targeted beam sweeps or more frequent sweeps can be made in the direction where the UE has been determined to likely be present in order to hasten the establishment of the communication link between the targeted transmission point, such as a Base Station (BS) or the like, or reconnection to the existing transmission point.

Abstract: C-fed antenna formed on multi-layer printed circuit board edge A patch antenna (120) comprises an antenna patch (121) and a feeding patch (125) configured for capacitive feeding of the antenna patch (121). The antenna patch (121) is formed of multiple conductive strips (122) extending in a horizontal direction along an edge of a multi-layer printed circuit board (PCB). The multi-layer PCB has multiple layers stacked along a vertical direction. Each of the conductive strips (122) of the antenna patch (121) is arranged on a different layer of the multi-layer PCB. The conductive strips (122) are electrically connected to each other by conductive vias (123) extending between two or more of the conductive strips (122) of the antenna patch (121). The feeding patch (125) is formed of multiple conductive strips (126) extending in the horizontal direction. Each of the conductive strips (126) of the feeding patch (125) is arranged on a different layer of the multilayer PCB.

Abstract: A first terminal receives, on a radio link of a cellular network, at least one uplink pilot signal transmitted by at least one second terminal. The first terminal transmits, on the radio link and to an access node of the cellular network, an uplink report message indicative of at least one property of the received at least one uplink pilot signal.

Abstract: Adaptive selection of antenna configurations by wireless nodes that comprise a plurality of antenna elements adapted for a plurality of different antenna configurations. The selection of the antenna configuration is made based on the quality of signal(s) received by the wireless node. The wireless nodes are operable for communication in the mm-wave frequency band and, in specific embodiments, the different antenna configurations include two or more of a wide-coverage area antenna configuration, a Multiple-Input Multiple-Output (MIMO) configuration and a Beamforming (BF) configuration.

Abstract: A first terminal receives, on a radio link of a cellular network, at least one uplink pilot signal transmitted by at least one second terminal. The first terminal transmits, on the radio link and to an access node of the cellular network, an uplink report message indicative of at least one property of the received at least one uplink pilot signal.