Abstract: There is disclosed a method of operating a radio node in a wireless communication network, the method comprising communicating utilising a first beam pair based on a timing indication, the timing indication being based on first signaling received utilising the first beam pair and second signaling received utilising a second beam pair.

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: A method of beamforming calibration is disclosed for a multi-antenna transceiver configured to communicate with one or more other transceivers. The multi-antenna transceiver has a plurality of transceiver chains connectable to respective antenna elements of the multi-antenna transceiver. Each transceiver chain comprises a transmitter path and a receiver path. The method comprises (for each transceiver chain) feeding an analog signal from the transmitter path to the receiver path via connection circuitry between the transmitter path and the receiver path to provide a digital calibration signal, and determining a beamforming calibration factor for the transceiver chain based on the digital calibration signal. Corresponding apparatus, multi-antenna transceiver, wireless communication node, and computer program product are also disclosed.

Abstract: A method of operating a radio node in a wireless communication network includes communicating utilising signaling. The communication of the utilising signaling is based on performing pulse-shaping pertaining to the signaling. The pulse-shaping is based on a first pulse-shaping parameter beta. Other related devices and methods are disclosed.

Abstract: Embodiments include methods, performed by a user equipment (UE), for uplink (UL) transmission in a wireless network. Such methods include receiving a configuration associated with an UL transmission to a network node in the wireless network. Such methods include, for each of a plurality of combinations of the UE's available antennas and transmitters, determining metrics based on the UE performing the UL transmission using the particular combination. The metrics include a quality metric associated with reception of the UL transmission by the network node, and a UE energy consumption metric. Such methods include selecting one of the plurality of combinations of the available antennas and transmitters based on the respective quality metrics and the respective UE power consumption metrics, and performing the UL transmission according to the configuration and using the selected combination of available antennas and transmitters. Other embodiments include UEs configured to perform such methods.

Abstract: A beamforming method is disclosed of a multi-antenna transmitter configured for operation in a listen-before-talk (LBT) environment. The method comprises transmitting—in transmission resources of a collection of one or more transmission resources corresponding to an LBT sensing event—according to a primary emission pattern (e.g., a primary beam) having a main lobe in a primary angular direction associated with a channel path towards an intended receiver, and transmitting according to one or more secondary emission patterns. The one or more secondary emission patterns—when accumulated over the collection of transmission resources corresponding to the LBT sensing event—are configured to indicate channel occupancy in angular directions other than the primary angular direction. In some embodiments, the one or more secondary emission patterns comprises a plurality of secondary emission patterns (e.g., a plurality of secondary beams).

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes obtaining delay characteristic information for a set of wireless devices, the delay characteristic information for each of the set of wireless devices pertaining to one or more signaling beams of a set of signaling beams, and communicating with subgroups of wireless devices of the set of wireless devices using signaling beams selected from the set of signaling beams based on the delay characteristic information. For each subgroup, a different selected signaling beam is used for communicating. The disclosure also pertains to related devices and methods.

Abstract: A method is disclosed of a transmitter node comprising a plurality of antenna elements and configured for beam-in formed transmission in a wireless communication environment requiring clear channel assessment (CCA) before transmission. The in method comprises performing CCA measurements by measuring received energy of the plurality of antenna elements, taking a CCA decision based on the measured received energy of the plurality of antenna elements, transforming the measured received energy of in the plurality of antenna elements into measured received energy of a plurality of angular directions, and selecting transmission beam based on the measured received energy of the plurality of angular directions. The wireless communication environment requiring CCA before transmission typically uses an unlicensed frequency spectrum. Corresponding apparatus, transmitter node and computer program product are also disclosed.

Abstract: A method is disclosed for a control node of a wireless communication system. The wireless communication system comprises two or more transmission arrangements and a receiver arrangement. Each transmission arrangement is associated with a respective set of available beams for beam measurements. The method comprises determining, for at least one transmission arrangement of the two or more transmission arrangements, a respective collection of linear combinations of available beams. At least one of the linear combinations comprises available beams from at least two sets of available beams associated with different transmission arrangements of the two or more transmission arrangements. The method also comprises causing transmission, by the transmission arrangements, of at least one of the linear combinations of available beams for beam measurements by the receiver arrangement. Corresponding apparatus, control node and computer program product are also disclosed.

Abstract: One embodiment provides a resistive random-access memory (RRAM) based convolutional block including a complementary pair of RRAMs having a first RRAM and a second RRAM, a programming circuit coupled to the complementary pair of RRAMs, and a XNOR sense amplifier circuit coupled to the complementary pair of RRAMs. The programming circuit is configured to receive a kernel bit from a kernel matrix, program the first RRAM to at least one selected from a group consisting of a low resistive state (LRS) and a high resistive state (HRS) based on the kernel bit, and program the second RRAM to other of the LRS and the HRS. The XNOR sense amplifier circuit is configured to receive an input bit from an input matrix, perform a XNOR operation between the input bit and the kernel bit read from the complementary pair of RRAMs, and output a XNOR output based on the XNOR operation.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a selected signaling beam from a set of signaling beams, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams. The disclosure also pertains to related devices and methods.

Abstract: A method is disclosed for a wireless transceiver comprising a plurality of transceiver antenna elements and configured to operate in a communication network. The method comprises dynamically assigning (from the plurality of transceiver antenna elements) a first set of transceiver antenna elements allocated for channel sensing and a second set of transceiver antenna elements allocated for communication, performing channel sensing using the first set of transceiver antenna elements, and operating the wireless transceiver based on a result of the performed channel sensing.

Abstract: There is provided mechanisms for reshaping individual beams of a beam pattern. A method is performed by a control node. The method comprises determining the beam pattern by distributing available transmission energy in individual beams according to a weighted combination of the individual beams. Different weights are applied for at least two of the individual beams. The weighted combination of individual beams is based on radio propagation channel properties. The method comprises truncating transmission energy of the individual beam with highest transmission energy in the beam pattern to not be over a threshold. The method comprises redistributing the truncated transmission energy among the remaining individual beams in the beam pattern, thereby reshaping the individual beams of the beam pattern.

Abstract: A method is disclosed for a system comprising a transmitter apparatus and a receiver apparatus. The transmitter apparatus is configured to transmit signals to the receiver apparatus using an available transmission beam. The receiver apparatus is configured to receive the signals using an available reception beam. The method comprises the transmitter apparatus determining a collection of linear combinations of transmission beams and a collection of linear combinations of reception beams, providing an indication of the collection of linear combinations of reception beams to the receiver apparatus and transmitting each of the linear combinations of transmission beams of the collection of linear combinations of transmission beams.

Abstract: There is provided mechanisms for reshaping individual beams of a beam pattern. A method is performed by a control node. The method comprises determining the beam pattern by distributing available transmission energy in individual beams according to a weighted combination of the individual beams. Different weights are applied for at least two of the individual beams. The weighted combination of individual beams is based on radio propagation channel properties. The method comprises truncating transmission energy of the individual beam with highest transmission energy in the beam pattern to not be over a threshold. The method comprises redistributing the truncated transmission energy among the remaining individual beams in the beam pattern, thereby reshaping the individual beams of the beam pattern.

Abstract: There is disclosed a method of operating a radio node in a wireless communication network. The method includes communicating using a selected signaling beam from a set of signaling beams, the selected signaling beam being selected based on a delay characteristic and a beam signaling characteristic of the signaling beams of the set of signaling beams. The disclosure also pertains to related devices and methods.

Abstract: A beamforming method is disclosed of a multi-antenna transmitter configured for operation in a listen-before-talk (LBT) environment. The method comprises transmitting—in transmission resources of a collection of one or more transmission resources corresponding to an LBT sensing event—according to a primary emission pattern (e.g., a primary beam) having a main lobe in a primary angular direction associated with a channel path towards an intended receiver, and transmitting according to one or more secondary emission patterns. The one or more secondary emission patterns—when accumulated over the collection of transmission resources corresponding to the LBT sensing event—are configured to indicate channel occupancy in angular directions other than the primary angular direction. In some embodiments, the one or more secondary emission patterns comprises a plurality of secondary emission patterns (e.g., a plurality of secondary beams).

Abstract: There is disclosed a method of operating a measuring radio node in a wireless communication network, the method includes transmitting signaling based on delay spread information, the delay spread information being based on and/or representing delay spread associated to received reference signaling. There are also disclosed related devices and method.

Abstract: Systems and methods related to partial interlace frequency domain resource allocations for uplink transmissions from a wireless device are disclosed. In some embodiments, a method performed by a wireless device comprises receiving a resource allocation for an uplink transmission that allocates resources in one or more partially allocated interlaces and performing an uplink transmission on the allocated resources in the one or more partially allocated interlaces in accordance with the resource allocation. In this manner, a low-complexity approach to support flexible frequency domain resource allocation is provided. In addition, using this approach, an interlace may be shared by two or more wireless devices, which may increase spectral efficiency and reduce latency.

Abstract: There is disclosed a method of operating a measuring radio node in a wireless communication network, the method includes transmitting signaling based on delay spread information, the delay spread information being based on and/or representing delay spread associated to received reference signaling. There are also disclosed related devices and method.