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: Disclosed is a method performed by a transmitter node of a communication system, for transmitting reference signalling. The method comprises transmitting, to one or more receiver nodes of the communication system, a reference signal sequence using a first antenna port and a carrier frequency. The method comprises transmitting, to the one or more receiver nodes, using another antenna port and the same carrier frequency, a delayed version of the reference signal sequence. The delay is non-zero and less than a symbol duration of the communication system.

Abstract: A method for operating an access node for transmission of radio signals in a plurality of beams of a beam sweep, includes: transmitting a first radio signal using a first polarization in a first beam having a first beam direction, and transmitting a second radio signal using a second polarization, which is different from the first polarization, in a second beam in said first beam direction, wherein the transmission of the first radio signal is linked to the transmission of the second radio signal in accordance with a predetermined rule. By means of such a link, a communication device may determine, based on the predetermined rule, that the first and second beams have a common directionality, but are configured for transmission with different, preferably orthogonal, polarization.

Abstract: A method of operating a transmitter node (101) configured to communicate with one or more receiver nodes (102-104) using a re-configurable reflective device, RRD (109), is provided. The RRD (109) is re-configurable to provide multiple spatial filters, each one of the multiple spatial filters being associated with a respective spatial direction (351-353) into which incident signals are selectively reflected by the RRD (109). The method includes repeatedly transmitting reference signals (198) towards the RRD (109) at one or more transmit periods (551-554).

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: Disclosed is a method, performed by a network node, for an enhanced paging of a wireless device of a set of wireless devices. The method comprises transmitting, to the set of wireless devices, information indicative of a first set of paging resources for first-time transmissions of paging data, and indicative of a second set of paging resources for retransmissions of the paging data. The second set of paging resources is different from the first set of paging resources. The method comprises transmitting, to the set of wireless devices, first-time transmissions of paging data using the first set of paging resources. The method comprises, upon detecting that at least one of the wireless devices of the set has failed to react to the first-time transmissions of paging data, transmitting, to the least one of the wireless devices, retransmissions of the paging data using the second set of paging resources.

Abstract: A method for operating an access node for transmission of radio signals in a plurality of beams of a beam sweep, includes: transmitting a first radio signal using a first polarization in a first beam having a first beam direction, and transmitting a second radio signal using a second polarization, which is different from the first polarization, in a second beam in said first beam direction, wherein the transmission of the first radio signal is linked to the transmission of the second radio signal in accordance with a predetermined rule. By means of such a link, a communication device may determine, based on the predetermined rule, that the first and second beams have a common directionality, but are configured for transmission with different, preferably orthogonal, polarization.

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: A method of operating a wireless communication device (102) configured to connect to a communications network (100) includes: monitoring for multiple downlink reference signals (411) transmitted by at least one access node of the communications network (100) using multiple downlink transmit beams (361-364), each one of the multiple downlink reference signals (411) being associated with a respec-five at least one of multiple random-access occasions (415-418); and accessing at least two random-access occasions (415, 418) of the multiple random-access occasions (415-418), the at least two random-access occasions (415, 418) being associated with at least two downlink reference signals (411) selected from the multiple downlink reference signals (411) based on said monitoring and establishing a multibeam operation between the wireless communication device (102) and the communications network (100), wherein the multi-beam operation is established based on at least two downlink transmit beams (361,364) used for trans

Abstract: A method of operating a wireless communication device (102) configured to communicate with a communications network (100) using frequency duplex transmission in an uplink frequency band (601) and in a downlink frequency band (602) is provided. The method includes monitoring for first downlink reference signals (445, 6052) transmitted by an access node (101) of the communications network (100) in the uplink frequency band (601) and using multiple first downlink transmit beams (351-354); and monitoring for second downlink reference signals (411, 446) transmitted by the access node (101) of the communications network (100) in the downlink frequency band (602) and using multiple second downlink transmit beams (361-364).

Abstract: The present application relates to a method for operating a device (30) of a wireless multiple-input and multiple-output, MEM, system (10) providing a wireless communication between the device (30) and a network node (20) of the MIMO system (10).

Abstract: A method carried out in a User Equipment, UE, (1) for establishing communication with a wireless network (100) using inter-band Carrier Aggregation, CA, comprising: transmitting (610), to the wireless network, information identifying capabilities (51) of the UE to perform beam management of multiple Component Carriers, CC; receiving (612), from a base station (110) of the wireless network, dependent on the capabilities, information (52) indicative of co-location properties of a first CC in a first band and a second CC in a second band; establishing (617) communication between the UE (1) and the wireless network (100) using the first and the second CC.

Abstract: A preprocessing arrangement is configured for installation in a multiple-antenna communication system, e.g. a MI-MO-enabled device, to improve internal data transfer of the system. The arrangement is interposed between an antenna array and a computer device. In operation, the arrangement obtains (301) a diagonal matrix W of multiplicator values, the diagonal matrix W being given by H=WAX, wherein H is a channel transmission matrix for the system, A is a predefined filter matrix, and X is a matrix that depends on H. The arrangement further extracts (302) an input vector Y of signal values from the antenna array, generates (303) an output vector ? of output values by forming AHWHY, wherein superscript indicates Hermitian transpose, and provides the output values in the output vector ? to the computer device. By providing the output vector ?, the number of signal values to be received and jointly processed by the computer device is reduced relative to the number of antennas in the antenna array.

Abstract: The present disclosure provides a method performed by a wireless device, for beam correspondence signalling. The wireless device comprises a plurality of antenna panels including a first antenna panel. The method comprises obtaining, for the first antenna panel, a first beam correspondence, BC, capability parameter associated with a first panel identifier. The method comprises transmitting to a network node a first BC capability indicator. The first BC capability indicator comprises the first BC capability parameter and the first panel identifier.

Abstract: A method of configuring a multichannel uplink transmission (199) comprising multiple channels (151, 152, 159, 451, 452) between a wireless communication device (102) and multiple receive panels (1013-1, 1013-2) of at least one network node (101) is provided. The multiple receive panels (1013-1, 1013-2) and the at least one network node (101) are connected via backhaul links (1018-1, 1018-2). The method is carried out by the wireless communication device (102). The method comprises receiving, from the at least one network node (101), a downlink message encoding control data (4001) for the multichannel uplink transmission (199), the control data (4001) being associated with the backhaul links. The method further comprises configuring the multichannel uplink transmission (199) based on the control data (4001).

Abstract: Disclosed is a method performed by a network node, for an enhanced paging of a wireless device of a set of wireless devices. The method comprises controlling transmission, to the set of wireless devices, of a first paging message in a first paging period. The method comprises transmitting, to the set of wireless devices, in at least one physical signal between the first paging period and a second paging period succeeding the first paging period, control signaling indicating a change in paging of the second paging period, wherein the change in paging is with respect to the first paging period. The method comprises controlling, in accordance with the indicated change, transmission, to the set of wireless devices, of a second paging message in the second paging period.

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: The present application relates to methods for operating a wireless communication device (20). According to an embodiment, the method comprises transmitting, on a wireless link between the wireless communication device (20) and a further wireless communication device (30, 40, 50), at least one first signal (301) using a first polarization (501), transmitting, on the wireless link, at least one second signal (302) using a second polarization (502), and transmitting, on the wireless link, at least one third signal (303) using a third polarization (503). The first polarization (501), the second polarization (502), and the third polarization (503) are different from each other. Based on the at least one first signal (301), the at least one second signal (302), and the at least one third signal (303), channels of the wireless link associated with the at least one first signal (301), the at least one second signal (302), and the at least one third signal (303) are sounded.

Abstract: An operation method with fingerprint event recognition, an apparatus, and a mobile terminal relate to the field of communications technologies. The method includes receiving a fingerprint event from a user at a preset position on a mobile terminal, and displaying on a display screen of the mobile terminal at least one shortcut when the fingerprint matches a stored fingerprint event. A sliding gesture input from the user is detected, the sliding gesture starting at the preset position and extending from the preset position to select a first shortcut from the at least one shortcut, thereby improving operation efficiency.

Abstract: A method is disclosed, performed in a radio network node, for handling interference caused by a plurality of wireless terminals served by the radio network node. The method comprises transmitting, to at least one wireless terminal of the plurality of wireless terminals served by the radio network node, a message indicative of a beam width restriction criterion to be applied to transmissions from the at least one wireless terminal.