Abstract: A method of a first access point and an access point arranged to provide wireless communication access for a wireless communication system are disclosed.

Abstract: A position of a wireless device (11) is determined based on an optical communication signal transmitted between the wireless device (11) and one or more access points (10) of the wireless communication network. The determined position is used for controlling beamforming processing of radio communication signals transmitted between the wireless device (10) and one or more second access points (10) of the wireless communication network.

Abstract: Methods and apparatus are provided. In an example aspect, a method in a first wireless communication device of communicating with at least one second wireless communication device on a first channel and a second channel is provided. The method includes selecting a simultaneous transmit and receive (STR) communication mode or non-simultaneous transmit and receive (NSTR) communication mode for communicating with the at least one second wireless communication device on the first channel and the second channel, selecting supported communication parameters for at least one of the first channel and the second channel based on the selected mode, and communicating with the at least one second wireless communication device on the first channel and the second channel using the selected communication mode and according to the selected supported communication parameters.

Abstract: A method for a primary wireless transmitter is disclosed. The primary wireless transmitter is configured to participate in transmission to a wireless receiver using spatial multiplexing in coordination with one or more secondary wireless transmitters. The method comprises assigning—from a collection of available channel sounding resources—respective channel sounding resources to the primary wireless transmitter and to the one or more secondary wireless transmitters, wherein each available channel sounding resource is assigned to at most one of the wireless transmitters. Each assigned respective channel sounding resource is for transmission of a respective non-spatial-multiplexed first channel sounding signal, and the first channel sounding signals are for phase tracking of signals transmitted by the primary wireless transmitter and/or for phase tracking of signals transmitted by the one or more secondary wireless transmitters.

Abstract: A method is disclosed of a transmitter configured to transmit one or more physical layer packets, which together have a plurality of measurement signals for channel estimation. The method includes receiving (from a sensing device) a precoding setting request for the measurement signals for channel estimation, wherein the precoding setting request is indicative of one or more precoding settings prioritized for sensing, configuring the transmitter to use precoding settings for the plurality of measurement signals for channel estimation based on the precoding setting request, and transmitting the one or more physical layer packets. A method is also disclosed of a receiver configured to operate as a sensing device.

Abstract: On a first channel, an access point (10) of the wireless communication system maintains a first wireless link to a first wireless station (11). On a second channel, the access point (10) maintains a second wireless link to a second wireless station (11). Further, the access point receives a measurement report from the first wireless station (11). The measurement report represents a level of interference from the second channel to the first channel. Based on the measurement report, the access point (10) controls multi-link operation on the first wireless link and the second wireless link.

Abstract: A method is disclosed of a transmitter configured to transmit a physical layer packet having a plurality of midambles. The method comprises applying a respective phase shift for each midamble of the physical layer packet, and transmitting the physical layer packet. The respective phase shift is applied to at least a portion of symbols of the midamble. A method is also disclosed of a receiver configured to receive a physical layer packet having a plurality of midambles. The method comprises receiving the physical layer packet, and counteracting a respective phase shift for each midamble of the physical layer packet. Counteracting the respective phase shift comprises applying an opposite of the respective phase shift to at least a portion of symbols of the midamble or compensating the respective phase shift for at least a portion of symbols of the midamble.

Abstract: Methods and apparatus are provided, including in an example a method for transmitting data, wherein the data includes a preamble. The method comprises transmitting the data including the preamble, wherein the preamble includes a first portion comprising a predetermined bit sequence repeated a predetermined number of times, and a second portion comprising a Barker bit sequence.

Abstract: A method is for controlling interleaving, within a packet for transmission, of second type symbols amongst first type symbols. The first type symbols comprise error correction encoded data modulated using a first modulation alphabet and the second type symbols are for communication parameter estimation and comprise error correction encoded data modulated using a second modulation alphabet which is smaller than the first modulation alphabet. The data modulated using the second modulation alphabet is encoded with a same error correcting code as the data modulated using the first modulation alphabet. The method comprises determining (340) one or more of: an interleaving density of the second type symbols, a type of the second modulation alphabet, and a size of the second modulation alphabet.

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: Disclosed is a latency control method of a transmitter apparatus adapted for transmission of a plurality of packets under clear channel assessment requirements and latency requirements. The method comprises determining a maximum required time for clear channel assessment for the plurality of packets and determining a duration of time related to the determined maximum required time. For example, the duration of time may be determined as being equal to the determined maximum required time for clear channel assessment plus an offset. The offset may be equal to zero, or may be equal to a positive value. In some embodiments, the offset may be equal to, or larger than, a duration of another packet (which is not comprised in the plurality of packets). The method also comprises enforcing, for each packet of the plurality of packets, the determined duration of time to elapse after completion of transmission of the packet, before transmission of a subsequent packet of the plurality of packets is initiated.

Abstract: A method of waking up a mesh node in a wireless mesh network, wherein said mesh node comprises a main receiver and a wakeup receiver, and wherein said method comprises the steps of receiving, by said wakeup receiver of said mesh node, a wake up signal message, wherein said wake up signal message comprises context information which is related to a path between a source mesh node and a destination mesh node corresponding to said wake up signal message, determining, by said wakeup receiver of said mesh node, that said context information is applicable for said mesh node, activating, by said wakeup receiver of said mesh node, said main receiver of said mesh node for subsequently receiving a data message.

Abstract: A wireless communication device (21) maintains a first wireless link and a second wireless link communicates, between the wireless communication device (21) and the further wireless communication device (22), an announcement of replicated transmissions of data on the first wireless link and the second wireless link. Further, the wireless communication device (21) sends the replicated transmissions (201, 202, 203) of the data on the first wireless link and the second wireless link.

Abstract: Examples of this disclosure include a method of transmitting a first signal in a first frequency range. The method comprises detecting a second signal in a second frequency range within the first frequency range, wherein the second frequency range is smaller than the first frequency range, and determining a first threshold based on a bandwidth of the second signal. If a signal power of signals within the first frequency range is below or equal to the first threshold, transmitting the first signal within the first frequency range.

Abstract: A method is disclosed of a transmitter configured to transmit a physical layer packet having a plurality of midambles. The method includes applying a respective phase shift for each midamble of the physical layer packet, and transmitting the physical layer packet. The respective phase shift is applied to at least a portion of symbols of the midamble. A method is also disclosed of a receiver configured to receive a physical layer packet having a plurality of midambles. The method includes receiving the physical layer packet, and counteracting a respective phase shift for each midamble of the physical layer packet. Counteracting the respective phase shift includes applying an opposite of the respective phase shift to at least a portion of symbols of the midamble or compensating the respective phase shift for at least a portion of symbols of the midamble. Corresponding apparatuses, and computer program product are also disclosed.

Abstract: A transceiver device includes a controller arranged to identify a first set of control information within the data packet, and to re-map the data packet such that the first set of control information is mapped on bits known to be more robust. The transceiver device further includes a transmitter arranged to transmit the re-mapped data packet. The first set of control information holds information which enables for identification to combine soft bits from repeated transmissions at a receiver of the packet. The bits known to be more robust have more distinct value distribution in signal space of a used modulation and coding scheme than other bits. The transceiver device is arranged to transmit a data packet. A corresponding method, computer program, access point and station are also disclosed.

Abstract: A wireless station (11) associates to an access point (10) of a wireless communication system. The access point (10) operates on a first wireless channel. While the wireless station (11) is associated to the access point (10), the wireless station (11) receives periodically transmitted beacons on one or more second wireless channels, which are different from the first wireless channel, e.g., beacons from other access points (10). Based on the received beacons, the wireless station (11) performs measurements for sensing one or more objects in an environment of the wireless station (11).

Abstract: A method for a radio access node configured for transmission to a user device over multiple links. The method includes, responsive to data being available for transmission to the user device, determining which of the multiple links are possible links for transmission of the data, selecting one or more links of the possible links, and transmitting a wake-up signal to the user device, wherein the wake-up signal is indicative of the selected one or more links. A method is also disclosed for a user device configured for reception from a radio access node over multiple links. The method includes receiving a wake-up signal from the radio access node, wherein the wake-up signal is indicative of one or more of the multiple links, and waking up one or more of the multiple receivers, corresponding to the indicated one or more links.

Abstract: A method is performed by a network node of a communication network. The communication network comprises a plurality of coordinated radio access network nodes for transmitting multiple streams of data to a wireless device in a given time resource. The method comprises: causing transmission, to the wireless device, of an indication that the wireless device should perform multiple separate phase-tracking processes on the signals received from the plurality of coordinated radio access network nodes in the given time resource.

Abstract: A method and devices for allocating frequency domain resources for wireless sensing of a radio channel associated with a sensing device. The method includes determining a sensing frequency range for the sensing device based on a frequency selectivity of the radio channel, and allocating frequency domain resources for the sensing device at least in part based on the determined sensing frequency range. The frequency selectivity may be parameterized based on one or more of: a number of propagation paths of the radio channel, a time dispersiveness of the channel, an impulse response of the channel, a power delay profile of the channel, a delay spread of the channel, a root mean square delay spread of the channel, a frequency response of the channel, and a coherence bandwidth of the channel. The sensing frequency range may includes a sensing bandwidth and/or a sensing frequency spread.