Abstract: Methods, apparatus and non-transitory machine-readable mediums are provided for wireless communication in communication networks comprising a wireless device, a radio access network node and a wireless light communication network node. In one embodiment, a method is performed by a node (102, 104, 120) of a wireless communication network (100), the wireless communication network comprising a wireless device (104), a radio access network node (102) and one or more wireless light communication (LC) network nodes (106). At least one of the wireless device and the radio access network node comprise a plurality of antenna elements configurable to provide a transmit or receive beam (110, 112) for communication with the other of the wireless device and the radio access network node.

Abstract: A method of a communication device configured with two or more multi-user coordination modes for communication with a plurality of users is disclosed. The method comprises determining an available spatial selectivity for the plurality of users, and selecting one of the two or more multi-user coordination modes based on the determined available spatial selectivity and a number of users of the plurality. Corresponding apparatus, communication receiver and computer program product are also disclosed.

Abstract: A technique for performing time synchronization between a master device (200) and a slave device (210) is disclosed. A method implementation of the technique is performed by the master device (200) and comprises transmitting, using optical wireless signals, a timestamp representative of a clock time of the master device (200) to the slave device (210), wherein the timestamp is encoded using a color-based optical coding scheme and is to be used by the slave device (210) to set a clock time of the slave device (210) in accordance with the timestamp to thereby synchronize the clock time of the slave device (210) with the clock time of the master device (200).

Abstract: Methods, apparatus and non-transitory machine-readable mediums are provided for wireless access in communications networks comprising radio access network nodes and wireless light communication network nodes. In one embodiment, a method is performed by a radio access network node for selecting a transmit or receive beam for communication with a wireless device in a communication network. The radio access network node comprises a plurality of antenna elements configurable to provide a plurality of transmit or receive beams. The communication network further comprises one or more wireless light communication, LC, network nodes.

Abstract: In a wireless communication system, an access point (10) contends with at least one further access point (10) for a set of transmission resources. In response to winning contention for the set of transmission resources, the access point (10) shares at least a subset of the transmission resources with the at least one further access point (10). In addition, the access point (10) exchanges information with the at least one further access point (10). Based on the exchanged information, the access point (10) coordinates wireless transmissions on the shared subset of transmission resources.

Abstract: Methods, apparatus and non-transitory machine-readable mediums are provided for wireless access in communications networks comprising radio access network nodes and wireless light communication network nodes. In one embodiment, a method is performed by a radio access network node for selecting a transmit or receive beam for communication with a wireless device in a communication network. The radio access network node comprises a plurality of antenna elements configurable to provide a plurality of transmit or receive beams. The communication network further comprises one or more wireless light communication, LC, network nodes.

Abstract: Methods, apparatus and non-transitory machine-readable mediums are provided for wireless communication in communication networks enabled for wireless light communication. In one embodiment, a method is performed in a node of a communication network. The method enables data communication to be established between a first wireless device and the communication network upon a wireless Light Communication (LC) link between the first wireless device and an LC-enabled Access Point (AP) of the communication network becoming unavailable. The method comprises: identifying a second wireless device for relaying data between the first wireless device and the communication network via a first communication link between the first wireless device and the second wireless device and a second communication link between the second wireless device and an AP of the communication network associated with the second wireless device.

Abstract: Methods, apparatus and non-transitory machine-readable mediums are provided for wireless communication in communication networks comprising a wireless device, a radio access network node and a wireless light communication network node. In one embodiment, a method is performed by a node (102, 104, 120) of a wireless communication network (100), the wireless communication network comprising a wireless device (104), a radio access network node (102) and one or more wireless light communication (LC) network nodes (106). At least one of the wireless device and the radio access network node comprise a plurality of antenna elements configurable to provide a transmit or receive beam (110, 112) for communication with the other of the wireless device and the radio access network node.

Abstract: In one example aspect, a method of determining a channel estimate of an optical communications channel between at least one optical transmitting component and at least one optical receiving component is provided, the method comprising determining a location of at least one optical transmitting component, determining an orientation of the at least one optical transmitting component, determining a transmission characteristic of the at least one optical transmitting component, determining a location of at least one optical receiving component, determining an orientation of the at least one optical receiving component, determining a reception characteristic of the at least one optical receiving component, and calculating the channel estimate of the optical communications channel based on the location of the at least one optical transmitting component, the orientation of the at least one optical transmitting component, the transmission characteristic of the at least one optical transmitting component, the location

Abstract: Methods, apparatus and non-transitory machine-readable mediums are provided for wireless access in communications networks comprising radio access network nodes and wireless light communication network nodes. In one embodiment, a method is performed by a radio access network node for selecting a transmit or receive beam for communication with a wireless device in a communication network. The radio access network node comprises a plurality of antenna elements configurable to provide a plurality of transmit or receive beams. The communication network further comprises one or more wireless light communication, LC, network nodes.

Abstract: In one example aspect, a method of determining a channel estimate of an optical communications channel between at least one optical transmitting component and at least one optical receiving component is provided, the method comprising determining a location of at least one optical transmitting component, determining an orientation of the at least one optical transmitting component, determining a transmission characteristic of the at least one optical transmitting component, determining a location of at least one optical receiving component, determining an orientation of the at least one optical receiving component, determining a reception characteristic of the at least one optical receiving component, and calculating the channel estimate of the optical communications channel based on the location of the at least one optical transmitting component, the orientation of the at least one optical transmitting component, the transmission characteristic of the at least one optical transmitting component, the location

Abstract: A method of a communication device configured with two or more multi-user coordination modes for communication with a plurality of users is disclosed. The method comprises determining an available spatial selectivity for the plurality of users, and selecting one of the two or more multi-user coordination modes based on the determined available spatial selectivity and a number of users of the plurality. Corresponding apparatus, communication receiver and computer program product are also disclosed.

Abstract: A method is disclosed for a wireless communication device (WCD) configured to receive, using a combiner selected from a plurality of combiners available at the WCD, downlink transmissions from a wireless communication node (WCN) via a downlink transmission beam selected from a plurality of downlink transmission beams available at the WCN. The method comprises, for each of the plurality of combiners, estimating an interference level experienced at the WCD. The method also comprises transmitting a measurement signal on each of a plurality of uplink transmission beams for selection of the downlink transmission beam by the WCN. Each of the plurality of uplink transmission beams corresponds to a respective one of the plurality of combiners available at the WCD. A signal strength of the measurement signal on an uplink transmission beam is responsive to the estimated interference level for the corresponding combiner. Corresponding arrangement, WCD and computer program product are also disclosed.

Abstract: A method is disclosed for a wireless communication device (WCD) configured to receive, using a combiner selected from a plurality of combiners available at the WCD, downlink transmissions from a wireless communication node (WCN) via a downlink transmission beam selected from a plurality of downlink transmission beams available at the WCN. The method comprises, for each of the plurality of combiners, estimating an interference level experienced at the WCD. The method also comprises transmitting a measurement signal on each of a plurality of uplink transmission beams for selection of the downlink transmission beam by the WCN. Each of the plurality of uplink transmission beams corresponds to a respective one of the plurality of combiners available at the WCD. A signal strength of the measurement signal on an uplink transmission beam is responsive to the estimated interference level for the corresponding combiner. Corresponding arrangement, WCD and computer program product are also disclosed.

Abstract: There is disclosed a method of operating a transmitting radio node in a wireless communication network, the transmitting radio node being configured to communicate utilising a first cyclic prefix having a first cyclic prefix duration. The method includes transmitting reference signaling having an effective cyclic prefix duration that is longer than the first cyclic prefix length. The disclosure also pertains to related devices and methods.