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: An access point of a wireless communication system configures a carrier for communication with one or more wireless devices associated with the access point. Based on a backoff counter maintained by the access point, the access point contends for access to the carrier to transmit data. In response to another access point winning contention for access to the carrier, the access point cooperates at least with the access point winning the contention by sharing a transmission opportunity reserved on the carriers by the access point winning the contention and transmitting at least a part of the data in the shared transmission opportunity. During the shared transmission opportunity the access point pauses the backoff counter.

Abstract: A wireless communication node (500) and method therein for generating and transmitting a modulated radio frequency (RF) signal by means of backscattering are disclosed. The wireless communication node (500) comprises an antenna (510) configured to receive a illuminating RF signal, a switch (520) that has M states, a set of impedances (530) comprising Mimpedances (Z1, Z2 . . . ZM). The antenna (510) is coupled to the set of impedances (530) by the switch (520). The wireless communication node (500) further comprises a modulating value generator (540) configured to generate modulating values based on data to be transmitted and a frequency offset and a switch controller (550) configured to switch the state of the switch (520) based on the generated modulating values such that the antenna (510) is connected to a selected impedance among the M impedances.

Abstract: An access point (10) of a wireless communication system configures a carrier for communication with one or more wireless devices (11) associated with the access point (10). Further, the access point (10) contends for access to the carrier and, in response to winning contention for access to the carrier, reserves a transmission opportunity, TXOP, on the carrier. Further, the access point (10) cooperates with one or more other access points (10) of the wireless communication system by sharing the TXOP based on spatial multiplexing of wireless transmissions on the carrier.

Abstract: A method is disclosed of a transmitter configured to transmit a physical layer packet comprising a plurality of measurement signals for channel estimation. The method includes configuring the transmitter to use different precoding settings for at least two of the plurality of measurement signals for channel estimation, and transmitting the physical layer packet. In some embodiments, at least one of the plurality of measurement signals for channel estimation occurs outside of a preamble of the physical layer packet (e.g., in a midamble). A method of a corresponding receiver is also disclosed. Corresponding apparatuses, wireless communication device, and computer program product are also disclosed.

Abstract: Solid cleansing compositions and methods for the same are disclosed herein. The solid cleansing composition may include a soap and a plant oil. The plant oil may include flaxseed oil, and may be present in an amount effective to maintain or increase hydration of skin, inhibit inflammation of skin, deodorize skin, inhibit irritation of skin, or combinations thereof.

Abstract: The present disclosure provides modified human cancer cells that express exogenous human leukocyte antigen (HLA) alleles. The present disclosure also provides expression vectors for simultaneous expression of one or more HLA alleles. Methods for using the modified human cancer cells of the present disclosure as a whole-cell cancer vaccine for treating a cancer in a subject are provided.

Abstract: An activity monitor for a modular software system, the system having a first software component for use in configuring operation of a second software component via a proxy and stub interface, the activity monitor comprising; an input arranged to monitor a first event associated with the first software component and a second event associated with the proxy; a processor arranged to compare the first and second events to a schedule of events to assess compliance with the schedule of events; and an output arranged to generate an error message in response to non-compliance with the schedule of events, the error message being for use in treating the error. A method of generating an activity monitor for monitoring operation of a modular software system.

Abstract: Methods are disclosed for communication devices capable of simultaneous transmission and reception, wherein a first method is for reception of a packet comprising a header and a payload and a second method is for transmission of a packet comprising a header and a payload. The second method comprises transmitting at least a part of the header. The first method comprises receiving at least a part of the header, attempting to decode the part of the header, and (when the part of the header is successfully decoded) transmitting a header acknowledgement signal. The second method comprises monitoring receipt of a header acknowledgement signal, and (when absence of the header acknowledgement signal is detected) interrupting the transmission of the packet and scheduling the packet for retransmission. Corresponding apparatuses, transceivers, communication devices and computer program products are also disclosed.

Abstract: In one aspect, a method for detecting changes in distance between a first wireless device and a second wireless device is provided. The method comprises determining a variation of a parameter over time, based on measurements of first timing signals transmitted between the first and second wireless devices. The variation of the parameter depends on a distance between the wireless devices, and comprises periodic step transitions as a result of relative clock drift between the wireless devices. The method further comprises predicting a time at which a periodic step transition is expected to occur based on the variation of the parameter, and determining a value of the parameter based on measurements of second timing signals. In response to a determination that the determined value of the parameter differs from an expected value of the parameter, it is determined that the distance between the wireless devices has changed.

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: 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: 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 substantially neutral base multi-surface cleaning formulation. The formulation comprises an alkyl amine oxide surfactant, a levulinate solvent, a chelator and/or salt, and water. In some disclosed embodiments, the formulation further includes a buffer. The formulation has a substantially neutral pH from about 5 to about 8, from about 6 to about 8, or from about 6.5 to about 7.5. The formulation may be used as a spray, dosed on cleaning wipes, as a concentrate, in a soaps, or a wide variety of other forms.

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: Based on secured communication in a wireless communication system, a wireless communication device (10, 11) determines a variable association of device identification information to one or more wireless communication devices (10, 11). Based on the determined association, the wireless communication device (10, 11) controls processing of one or more wireless transmissions comprising the device identification information.

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.