Abstract: A first communication device and method therein for operating in a wireless communication network as a relay node are disclosed. The wireless communication network comprises a network node providing a coverage area and at least two mobile communication devices. The first communication device receiving (510) a request from the network node to function as a relay node for a second communication device and enters (520) into a relay mode operation. The first communication device sets up (530) a relay link comprising a first communication link between the first communication device and the network node and a second communication link between the first communication device and the second communication device and relays (540) communications between the network node and the second communication device via the relay link. In the relay mode operation, at least one of the mobility and functionality of the first communication device in a normal mode operation is controllable to prioritize the relaying function.

Abstract: A radar sensing function is performed in a mobile communication device that operates in a Time Division Duplex (TDD) wireless communication system having an air interface that comprises a plurality of uplink symbol times associated with symbols transmitted in an uplink direction and a plurality of downlink symbol times associated with symbols transmitted in a downlink direction, and in which each transmitted symbol from a plurality of transmitted symbols has a corresponding cyclic prefix that is transmitted immediately before the corresponding transmitted symbol, and that is a repetition of an end part of the corresponding transmitted symbol. Information about a path delay between the mobile communication device and a receiver is used as one of one or more bases to determine a timing of a radar operation window having a duration that is shorter than a duration of a cyclic reception window of the receiver and comprising a radar signal transmission time and a radar backscatter reception period.

Abstract: A network node and method therein for ultra-reliable communication with a communication device in a wireless communications network are disclosed. The network node determines whether the communication with a second communication device is to be relayed via a relay node and determines that the first communication device is able to act as a relay node for the second communication device. The network node requests the first communication device to operate in a relay mode for relaying communications to the second communication device. The network node communicates with the second communication device over a relay link from the network node to the first communication device and from the first communication device to the second communication device.

Abstract: Systems and methods are disclosed herein for tracking multiple beams between a first radio node and one or more other radio nodes. In this regard, embodiments of a method performed by a first radio node for mitigating interference between two or more three-dimensional (3D) beams between the first radio node and the one or more other radio nodes are provided. According to one embodiment, the method comprises determining that a particular 3D beam from among two or more 3D beams results in interference to at least one other 3D beam from among the two or more 3D beams, wherein both the particular 3D beam and the at least one other 3D beam are both operated on a first frequency. The method further comprises selecting a new frequency to which to switch the particular 3D beam, and switching the particular 3D beam from the first frequency to the new frequency.

Abstract: Systems and methods are disclosed herein for Wireless Power Transfer (WPT) using radiative coupling and dynamic beamforming. In some embodiments, a method of operation of an Energy Transmitter (ET) comprises, for each time period (TPi) of a plurality of time periods ({TPi}i=0,1, . . . , I-1), for each time slot (TSi,j) of one or more time slots ({TSi,j}j=0,1, . . . , J-1), transmitting, during TSi,j of TPi on a frequency fmod(i,2), a radio frequency signal (ST(i,j)) that is modulated with a signature of a particular Energy Harvester (EH). The method further comprises, for each TPi, attempting, during TPi, to receive, from the particular EH on a frequency fmod(i+1,2), a radio frequency signal (SR(i)) that is modulated with the signature of the particular EH. In this manner, continuous WPT is provided. Corresponding embodiments of an ET are also disclosed. Embodiments of a method performed by an EH and corresponding embodiments of an EH are also disclosed.

Abstract: Methods and apparatus are provided. In an example aspect, a method in a network node of selecting one or more beams for communication with a wireless device and/or measurement by the wireless device is provided. The method comprises determining an indication of a location of a wireless device, determining an indication of motion of the wireless device, determining probabilities that the wireless device will move along each of a plurality of routes based on the indication of location of the wireless device and the indication of motion of the wireless device, and selecting one or more beams served by a base station for communication with the wireless device and/or measurement by the wireless device based on the probabilities.

Abstract: Blockage of a mmWave communication link, due to movement of one or both of the wireless devices, and/or movement of an obstacle, is predicted. An environment is monitored by imaging devices, which may be fixed or mobile, and may be on the wireless devices. Objects in the environment are detected and their motion tracked from the image data. Based on the motion of the wireless device(s) and/or an obstacle, a link blockage event—whereby an obstacle interrupts communications on the link—is predicted, and a start time is estimated. Prior to the start time, directional antenna beams of both wireless devices are directed to a passive reflector, and the mmWave communication link is routed around the obstacle. Passive reflectors may be deployed through the environment. They may be moveable in angle and tilt to assist in avoiding link blockage. Beam re-training is performed on a group of directional antenna beam pairs directed towards the passive reflector.

Abstract: A communication device comprises a modem and a transceiver, wherein the modem comprises digital baseband circuitry for generating a digital baseband signal for transmission, and the transceiver is configured to receive the digital baseband signal from the modem and to generate therefrom a radiofrequency signal for transmission by the communication device. The communication device controls the modem to operate in a first mode, and controls the modem to operate in a second mode. The first mode is a radar mode in which the modem generates radar baseband signals for transmission as one or more radar radiofrequency signals by the transceiver, and the second mode is a communication mode in which the modem generates information-containing baseband signals for transmission by the transceiver.

Abstract: A radar-enabled wireless communication device (12) is configured for exchanging communication signals with a wireless communication network (10) and for performing radar transmissions for surrounding-environment sensing. The device (12) classifies radar beam directions (30) as restricted or unrestricted, based on known or estimated interference with Uplink (UL) reception operations of the network (10) and adapts its radar transmissions based on the classifications. Classification operations may be autonomous, without requiring explicit network support, or may be based on one or radio network nodes (22) of the network (10) performing supporting procedures. Updating the classifications depends on, for example, one or more triggering conditions, such as changes in the position or orientation of the device (12), transmit-frequency changes, and changes in ambient conditions, such as the presence or intensity of rain.

Abstract: Systems and methods are disclosed herein for Wireless Power Transfer (WPT) using radiative coupling and dynamic beamforming. In some embodiments, a method of operation of an Energy Transmitter (ET) comprises, for each time period (TPi) of a plurality of time periods ({TPi}i=0,1,...,I-1), for each time slot (TSi,j) of one or more time slots ({TSi,j}j=0,1,...,J-1), transmitting, during TSi,j of TPi on a frequency fmod(i,2), a radio frequency signal (ST(i,j)) that is modulated with a signature of a particular Energy Harvester (EH). The method further comprises, for each TPi, attempting, during TPi, to receive, from the particular EH on a frequency fmod(i+1,2), a radio frequency signal (SR(i)) that is modulated with the signature of the particular EH. In this manner, continuous WPT is provided. Corresponding embodiments of an ET are also disclosed. Embodiments of a method performed by an EH and corresponding embodiments of an EH are also disclosed.

Abstract: A node in a wireless communication system coordinates multistatic radar measurements, wherein the node controls a plurality of wireless communication devices. Coordination involves obtaining an indication that a first sensing area located within a geographic area that is served by the node is to be sensed by a first radar signal. A first multistatic radar group of wireless communication devices selected from a participating group of the plurality of wireless communication devices and the node is formed, wherein the first multistatic radar group comprises at least one device for transmitting the first radar signal and at least two devices for receiving one or more reflections of the transmitted first radar signal. The first multistatic radar group is controlled to introduce the first radar signal into the first sensing area and to receive the one or more reflections of the introduced first radar signal.

Abstract: One or more network nodes are configured for operation in a wireless communication network and, specifically, are configured to provide for co-existence between radar-scanning operations of a radar-enabled UE and network communications, where the radar transmissions are in a same or overlapping frequency range as regards the network communications. In an example implementation, a radio network node, referred to as an CONFIGURE ONE OR MORE access point or base station supports coexistence between radar sensing and network communications that are subject to interference from the radar sensing.

Abstract: A radar-enabled wireless communication device (12) is configured to communicate with a wireless communication network (10) and performs radar transmissions using a same or overlapping millimeter wave (mmW) frequency range, determine whether there are any neighboring wireless communication devices (32) that are vulnerable to interference from the radar transmissions and, if so, adapt radar transmissions in the affected radar beam directions or transmit assistance information enabling the vulnerable devices (32) to mitigate or avoid the interference. In a particular example, the wireless communication device (12) performs radar transmissions during a Downlink (DL) phase of the wireless communication network (10), such that the vulnerability determinations are with respect to DL interference at the neighboring wireless communication devices (32).

Abstract: A wireless communications device that operates in a wireless communications system performs a radar function. This involves obtaining required radio frequency (RF) properties of a radar signal to be used for the radar function, wherein the radar function is one of a plurality of radar functions supported by the wireless communications device, each having a respective one of a plurality of different required RF properties. A transceiver of the wireless communications device is configured to transmit a predefined signal of the wireless communications system using time and frequency resources associated with the predefined signal of the wireless communications system and that satisfy the required RF properties of the radar signal. The configured transceiver is used to transmit the predefined signal of the wireless communications system.

Abstract: Methods and apparatus are provided. In an example aspect, method of configuring a User Equipment (UE) is provided. The method includes detecting a movement of the UE, determining a context of the UE in response to the detected movement, and configuring at least one parameter of wireless communication between the UE and a base station based on the context of the UE and the detected movement.

Abstract: Systems and methods are disclosed herein for tracking multiple beams between a first radio node and one or more other radio nodes. In this regard, embodiments of a method performed by a first radio node for mitigating interference between two or more three-dimensional (3D) beams between the first radio node and the one or more other radio nodes are provided. According to one embodiment, the method comprises determining that a particular 3D beam from among two or more 3D beams results in interference to at least one other 3D beam from among the two or more 3D beams, wherein both the particular 3D beam and the at least one other 3D beam are both operated on a first frequency. The method further comprises selecting a new frequency to which to switch the particular 3D beam, and switching the particular 3D beam from the first frequency to the new frequency.

Abstract: Methods and apparatuses are disclosed herein for ascertaining reliability aspects for Device-to-Device (D2D) links prior to actual data transmission. In some embodiments, a method performed by a second Wireless Communication Device (WCD) comprises attempting to receive synthetic packet transmissions, each comprising R replicas of a respective synthetic packet, from a first WCD over a direct or indirect D2D link using a current resource allocation. The method further comprises determining that the D2D link violates a requirement based on results of the attempting to receive the synthetic packet transmissions and sending a violation notification to a Centralized Scheduler (CS). Corresponding embodiments of a second WCD are also disclosed. Embodiments of a method of operation of a first WCD and corresponding embodiments of the first WCD as well as embodiments of a method of operation of a CS and corresponding embodiments of the CS are also described herein.

Abstract: There is provided mechanisms for polarization aligned transmission towards a receiver device. A method is performed by a mobile wireless device. The mobile wireless device comprises an antenna array. The method comprises obtaining, based on analysis of an image of the receiver device as captured by an image capturing unit, information of orientation of the receiver device. The orientation pertains to orientation of an antenna of the receiver device towards which a signal is to be transmitted. The method comprises transmitting the signal from the antenna array towards the receiver device using a wave. The wave has its polarization aligned, based on the orientation of the receiver device, with the antenna of the receiver device.

Abstract: An object detection arrangement having a controller configured to: a) receive a plurality of image data streams; b) perform feature extraction on each of the received a plurality of images providing a plurality of feature data streams; and to c) perform a common feature extraction based on the plurality of feature data streams providing as common feature data stream for object detection.

Abstract: A method for dynamic load distribution for a distributed neural network is disclosed. The method comprises estimating, in a device of the neural network, an energy usage for processing at least one non-processed layer in the device, and estimating, in the device of the neural network, an energy usage for transmitting layer output of at least one processed layer to a cloud service of the neural network for processing. The method further comprises comparing, in the device of the neural network, the estimated energy usage for processing the at least one non-processed layer in the device with the estimated energy usage for transmitting the layer output of the at least one processed layer to the cloud service.