Abstract: A method is disclosed for transmission of one or more packets in an unlicensed communication environment based on a transmit power setting. Each packet includes a first part and a second part, wherein the first part is associated with a potential received signal-to-noise ratio (SNR) when the transmit power setting is used. The method includes processing the first part of the one or more packets before transmission, wherein the processing comprises enforcing a reduced received SNR for the first part, which is lower than the potential received SNR. In some embodiments, enforcing the reduced received SNR for the first part includes adding noise to the first part and/or applying a decreased transmit power setting for the first part. In some embodiments, the transmission of the one or more packets is in accordance with an IEEE 802.11 standard and the first part is a legacy preamble.

Abstract: A wireless communication device (10, 11) configures a wireless channel defining multiple resource units, RUs, by orthogonal frequency division multiplexing, OFDM, on a plurality of subcarriers. The wireless communication device (10, 11) sends a first wireless transmission on a first subset of the multiple RUs. While sending the first wireless transmission, the wireless communication device (10, 11) receives a second wireless transmission on a second subset of the multiple RUs. The first subset of the multiple RU's and the second subset of the multiple RUs are at least in part non-overlapping.

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: A wireless communication device (100) comprises a first transceiver (110) comprising a first frequency synthesizer (112) which comprises a first digitally controlled oscillator (DCO1) and a crystal oscillator (XO). The wireless communication device (100) further comprises a second transceiver (120) comprising a wakeup receiver (Rx2), a second transmitter (Tx2) and a second digitally controlled oscillator (DCO2) connected to the wakeup receiver (Rx2) and second transmitter (Tx2). The wireless communication device (100) further comprises a control unit (170) configured to control operation of the wireless communication device. The second transmitter (Tx2) is configured to transmit periodically a signal to a base station. The signal is modulated by a code identifying the wireless communication device (100) and transmitted at a frequency set by the second digitally controlled oscillator (DCO2).

Abstract: Methods, signal packets, orthogonal frequency division multiplexing (OFDM) transmitters, backscattering devices and corresponding computer program products are disclosed. According to one aspect, a signal packet is provided for transmission by an OFDM transmitter of to illuminate a backscatter device. The signal packet includes an initial portion to trigger circuitry of the backscatter device for operation, and to transfer energy to the backscatter device. The signal packet includes a data carrying portion providing control information. The data carrying portion includes to the backscatter device regarding backscatter transmission, and an illuminating portion to cause backscatter transmission within a duration of the illuminating portion in accordance with the control information. Also disclosed are a method for an OFDM transmitter and a method for a backscatter device.

Abstract: A method is disclosed for a simultaneous transmission and reception (STR) multi-link device (MLD). The method includes transmitting a signal packet within a transmission channel of the MLD for illumination of a backscatter device. The signal packet includes control information regarding backscatter transmission, and the control information includes a frequency indicator for backscatter transmission. The frequency indicator for backscatter transmission is configured to cause the backscatter transmission to fall within a reception channel of the MLD. A method is also disclosed for a backscatter device. The method includes receiving the signal packet from the STR MLD within a transmission channel of the MLD, whereby the signal packet illuminates the backscatter device, and performing backscatter transmission in accordance with the frequency indicator for backscatter transmission, whereby the backscatter transmission falls within a reception channel of the MLD.

Abstract: A method is disclosed for transferring data symbols between a transmitter and a receiver. The method comprises specifying communication symbols through application of a transform to a representation of the data symbols, and conveying a signal indicative of the communication symbols from the transmitter to the receiver. When expressed as a transform matrix, the transform has at least the following properties: that a ratio (between number of zero-valued elements of the transform matrix and number of non-zero-valued elements of the transform matrix) equals or exceeds a sparsity threshold, and that a number of columns of the transform matrix that has a zero-valued element sum equals or exceeds an angle distortion mitigation threshold.

Abstract: A wireless communication device (10, 11) determines an idle bandwidth portion of a wireless channel. Further, the wireless communication device (10, 11) estimates one or more reception conditions at a further wireless communication device (10, 11). Using a transmission bandwidth in the idle bandwidth portion of the wireless channel, the wireless communication device (10, 11) sends a wireless data transmission to the further wireless communication device (10, 11). The transmission bandwidth of the wireless data transmission is selectively punctured based on the estimated one or more reception conditions.

Abstract: A technique for performing a multi-layer transmission from a transmitting station to a receiving station on a radio frequency is described. The multi-layer transmission comprises multiple layers (902, 904) having different robustnesses on the radio frequency. As to a method aspect of the technique, a first portion (802.1) of first data (802) and a first portion (804.1) of second data (804) on a first layer (902) of the multi-layer transmission and, simultaneously on a second layer (904) of the multi-layer transmission, a second portion (802.2) of the first data (802) and a second portion (804.2) of the second data (804) are transmitted.

Abstract: A method of establishing connection between a first node in a wireless network and a second node in said wireless network, wherein each of said first and second nodes comprise a primary radio receiver and a wake up receiver, each of said nodes comprising a Radio Frequency, RF, switch, arranged to connect one of said primary or secondary radios to a radio antenna, said method comprising the steps of transmitting, by said first node, to a wake-up receiver of a second radio node, a wake-up signal that indicates a frequency channel on which the second radio node is to transmit a response, receiving, by said first node, in response to transmitting said wake-up signal, response from said second radio node on the frequency channel indicated, and establishing, by said first node, a connection between said first and second nodes in order to transfer data between said first and second nodes. The present disclosure also relates to corresponding mesh nodes and a computer program product.

Abstract: One aspect of the disclosure provides a method performed by a transmitting device, for transmitting wirelessly to a receiving device in a wireless network. The method comprises: obtaining information which is indicative of a level of wireless activity caused by interfering transmissions by one or more interfering devices, experienced by one or more receiving devices on one or more first channels configured for transmissions by the one or more receiving devices; and determining whether to transmit to a receiving device of the one or more receiving devices using one or more second channels based on the information indicative of the level of wireless activity experienced by the one or more receiving devices on the one or more first channels.

Abstract: A first communication node (12) in a wireless communication network (10) monitors for a cell-specific wake-up signal (20). The first communication node (12) may monitor for the cell-specific wake-up signal (20) with a wake-up receiver (12W). The first communication node (12) in particular may monitor for a cell-specific wake-up signal (20) that is any of multiple cell-specific wake-up signals (20) in a set. In some embodiments, the set is re-used for different sets of cells. Alternatively or additionally, the set may include cell-specific wake-up signals (20) that are based on multiple respective binary sequences, based on different codewords of a binary error correcting code, based on different orthogonal sequences in a set, composed of different sets of Zadoff-Chu sequences with different roots, composed of the same set of Zadoff-Chu sequences with different cyclic shifts, or a function of different cyclic shifts of a root wake-up signal formed by multiple Zadoff-Chu sequences with different roots.

Abstract: Methods, apparatus, and device-readable mediums are disclosed relating to wireless access in a network requiring a carrier-sense mechanism. One aspect provides a method performed by a transmitting device for transmitting to a receiving device in a wireless communications network. The transmitting device comprises a plurality of antenna elements. The method comprises: performing a directional carrier-sense assessment for one or more sub-bands configured for transmissions between the transmitting device and the receiving device, the directional carrier-sense assessment utilizing beamforming to detect a respective level of wireless activity on each of the sub-bands in a particular direction for transmissions to the receiving device; selecting a respective transmit power for each sub-band based on the determined level of wireless activity; and transmitting to the receiving device in the particular direction, using the respective selected transmit power for each sub-band.

Abstract: An access point (10) of a wireless communication system reserves a transmit opportunity. TXOP, on a wireless channel. Further, the access point (10) determines, for a wireless station (11) associated with the access point (10), a first set of one or more transmit parameters to be applied in a first wireless transmission from the wireless station (11) to the access point (10). Further, the access point (10)) sends a message (405) for triggering the first wireless transmission by the wireless station (11). The message (405) indicates the first set of one or more transmit parameters.

Abstract: Methods and apparatus are provided. In an example aspect, a method of transmitting a signal is provided. The method includes transmitting a frequency hopping signal on a first plurality of frequency channels in a first bandwidth using a first interference detect and avoid (DAA) scheme for each of the plurality of frequency channels, detecting interference in a predetermined proportion of the first plurality of frequency channels, and transmitting the frequency hopping signal on a second plurality of frequency channels in a second bandwidth smaller than the first bandwidth without using the first interference DAA scheme in response to detecting interference in the predetermined proportion of the first plurality of frequency channels.

Abstract: Methods and apparatus are provided. In an example aspect, a method in a first wireless communication device of transmitting data is provided. The method includes determining that each of a plurality of frequency ranges is free for a transmission by the first wireless communication device, selecting one or more of the frequency ranges, and transmitting the data using one or more frequency ranges other than the selected one or more frequency ranges.

Abstract: Methods and apparatus are provided. In an example aspect, a method in a first wireless communication device of transmitting data to a second wireless communication device is provided. The method includes selecting a first channel access mechanism or a second channel access mechanism based on a property of the data, and transmitting the data to the second wireless communication device according to the selected channel access mechanism.

Abstract: Transmitting a first data stream to a first station and simultaneously transmitting a second data stream to a second station. A method includes modulating a first signal by the first data stream to form a second signal, modulating the second signal by the second data stream to form a third signal, and transmitting the third signal by conversion to a transmission frequency to form a radio frequency signal, amplifying the radio frequency signal and providing the amplified radio frequency signal to an antenna. The modulation of the first signal is performed by scrambling of the first signal and the modulation of the second signal is performed by binary amplitude shift keying of the second signal, or the modulation of the first signal is performed by binary amplitude shift keying of the first signal and the modulation of the second signal is performed by scrambling of the second signal.

Abstract: A method is performed by a wireless transmitting device for a communication network. The communication network implements a standard in which transmitting devices contend for access to a wireless transmission medium, a transmitting device being permitted to transmit using the wireless transmission medium for a window of time upon winning contention. The method includes: initiating a first, initial transmission to one or more wireless receiving devices in the window of time, the first transmission including a first preamble; and, subsequent to the first transmission, initiating a second transmission to one or more wireless receiving devices in the window of time, the second transmission including a second preamble which is shorter than the first preamble, or including no preamble.

Abstract: An approach for transmission provides a method of enabling Hybrid Automatic Request, HARQ, in an IEEE 802.11 communication. The method includes transmitting, in an element in a Block Acknowledgement, BA, setup of a Medium Access Control, MAC, message, which element indicates a request to use HARQ, receiving a response to said request, and starting to apply HARQ. The approach includes a network entity of a wireless network using IEEE 802.11. The network entity includes a transmitter arranged to transmit, in an element in a Block Acknowledgement, BA, setup of a Medium Access Control, MAC, message, which element indicates a request to use HARQ, a receiver arranged to receive a response to said request, and a communication handler arranged to start to apply HARQ.