Abstract: Various example embodiments relate to devices, methods, apparatuses and computer readable mediums for virtual cable calibration in over the air conformance testing. In an example embodiment, a terminal device may receive training signals from at least four probes, estimate a channel based on the received training signals, and transmit a representation of the estimated channel to a test equipment coupled to the at least four probes. The terminal device and the at least four probes are positioned in a testing chamber. The estimated channel includes an over the air, OTA, channel portion between the at least four probes and the terminal device. The representation of the estimated channel is transmitted to the test equipment for compensation of the OTA channel portion.

Abstract: An apparatus configured to perform a performance test involving demodulation of input signals by a user equipment, the test including a sequence of consecutive time intervals and the test including providing to a first receive chain of the user equipment a first wireless input signal and providing to a second receive chain of the user equipment a second wireless input signal, and update the first and second wireless input signals for each time interval, the updating including updating a power level of the first and second wireless input signals and, responsive to a determination that a modulation and coding scheme, MCS, update condition is fulfilled, the updating also comprises updating the MCS of at least one of the first or the second wireless input signal.

Abstract: An apparatus configured to: receive, from a network node, a configuration for one or more resource elements having zero power; receive downlink control information, wherein the downlink control information comprises, at least, an aperiodic indication for triggering resource elements having zero power; and determine a number of co-scheduled user equipments in a physical downlink shared channel based, at least partially, on at least one of: an index associated with the one or more resource elements, a number of the one or more resource elements, or a number of the one or more resource elements triggered with the aperiodic indication; and identify co-scheduled-UE interferer information based on the number of co-scheduled-UEs and the resource elements having zero power. The co-scheduled-UE interferer information includes determination of the MO, FDRA and DMRS ports of each co-scheduled UE.

Abstract: A method for operating an on-board water supply and distribution system of an aircraft for supplying water includes a central water tank, first consumer assemblies with buffer tanks each including a heater to heat up water in the buffer tank to a disinfection temperature, pump having upstream and downstream sides to operate in supply and reverse modes, and high-pressure conduit system. The central water tank connects to the pump's upstream side. The conduit system connects the downstream side with a first consumer assembly. The method includes operating the pump in supply mode where water from the central tank goes to a first consumer assembly to fill a buffer tank, operating a buffer tank heater so water heats to a predetermined disinfection temperature, and operating the pump in reverse mode so heated water passes through a part of the conduit system and the upstream side of the pump.

Abstract: A cooling module includes a cooling element having a closed central part and heat-conducting elements on two sides of the central part, as well as a feeding apparatus for air. The feeding apparatus is designed as an integrated twin fan which, on the one hand, feeds ambient air from one side of the central part and, on the other hand, feeds ambient air from the other side of the central part to the cooling element.

Abstract: Systems, methods, apparatuses, and computer program products for selective uplink transmission power boosting for a user equipment (UE) are provided. One method may include determining, by a UE, for a given transmission or service, whether to use a first uplink transmission power or a second uplink transmission power over a radio channel bandwidth, based on obtained configuration information. The user equipment is configured to support the first uplink transmission power associated with a first power limit over the radio channel bandwidth and the second uplink transmission power associated with a second power limit over the radio channel bandwidth, and the second uplink transmission power is equal to or higher than the first uplink transmission power. The method may then include transmitting the transmission or service applying the determined first or second uplink transmission power limit.

Abstract: Disclosed is a method comprising transmitting, to a network element of a wireless communication network, if cross-division duplexing is supported by the network element, a random-access preamble on at least one random-access channel occasion that overlaps with one or more downlink symbols in time.

Abstract: Techniques of relaying signals include modifying an IAB node to have a built-in mode to support signal repetition, wherein a portion of the time-frequency resources of the IAB are dynamically allocated in the repeater mode for delay-sensitive data.

Abstract: According to an example aspect of the present invention, there is provided a method, comprising, receiving, by a user equipment, a timing advance command from a wireless network node, wherein the timing advance command comprises a timing advance value and the user equipment is in an inactive or idle state, selecting, by the user equipment, a coverage enhancement configuration using the timing advance value and transmitting, by the user equipment, at least one message to the wireless network node using the selected coverage enhancement configuration.

Abstract: Systems, methods, apparatuses, and computer program products for beamforming repeater and/or for hybrid beamforming repeater may be provided. For example, adaptive beamforming capabilities for the access link of the repeaters and beamforming on a backhaul link to a donor node may be provided.

Abstract: A network element in a wireless network sends, to a target UE, configuration of CSI RSs for use in a time-frequency resource space of a PDSCH. The configuration informs the UE to use the CSI RSs for interference parameter detection of co-scheduled UE(s) in the PDSCH. The network element transmits, toward the target UE, the CSI RSs. A target UE in a wireless network receives, from a network element, configuration of CSI RSs for use in a time-frequency resource space of a physical downlink shared channel. The configuration informs the target UE to use the CSI RSs for interference parameter detection of co-scheduled UE(s) in the PDSCH. The target UE receives, from the network element, the CSI RSs. The target UE performs the interference parameter detection using the CSI RSs.

Abstract: An apparatus may be configured to: receive, from a network, an indication of one or more sets of ports, wherein the one or more sets of ports are grouped; receive, from the network, at least one parameter for port interference detection, wherein the at least one parameter for port interference detection comprises at least one of: a scrambled cyclic redundancy code, a number of interfered ports, a set index for a set of at least one of the one or more sets of ports, or an indication of a selected set of the one or more sets of ports; and determine the set of at least one of the one or more sets of ports based, at least partially, on the at least one parameter for port interference detection.

Abstract: Certain examples of the present disclosure relate to a User Equipment, UE, (110) comprising means for: determining a first total amount of energy (ETx(TW1)) that has been transmitted by the UE within a first time window (TW1); and determining a first transmission power (PmaxTx(i)) that is allowed for a transmission (Tx(i)) by the UE within the first time window, TW1 wherein the first transmission power is determined based, at least in part, on the first total amount of energy (ETx(TW1)) that has been transmitted by the UE within the first time window (TW1).

Abstract: In one embodiment, an apparatus performs receiving, via two different signal pathways, at least two different signals that are associated with different radio wave characteristics; changing the frequency of signal(s) to provide intermediate signal(s) with each having different frequencies; multiplexing the intermediate signals to allow signals to be transmitted together via a single wired connection; receiving a multiplexed signal via the single wired connection, the multiplexed signal including intermediate further signals having different frequencies, the intermediate further signals also being associated with differing radio wave characteristics; and separating the intermediate further signals into separate signals; changing the frequency of the further signals to provide further signals at a transmission frequency; and transmitting the further signals via the two signal pathways.

Abstract: Certain examples of the present disclosure provide a User Equipment, UE, 110 configured to: receive an identifier 202, wherein the identifier is configured to signal control information and/or configuration information respectively for triggering performance of an action and/or configuring the UE 110; determine 203, based at least in part on the received identifier, the control information and/or the configuration information; and perform 204 the action and/or configure the UE 110 in accordance with the determined control and/or the determined configuration information.

Abstract: A method for performing over the air (OTA) testing of a UE in a testing chamber including at least one probe antenna includes generating a first emulated downlink (DL) signal of a first virtual transmission/reception point (TRP) located at a first virtual location and a second emulated DL signal of a second virtual TRP located at a second virtual location in accordance with a first signal alternation profile and a second signal alternation profile, respectively, the first signal alternation profile including one or more first alternation characteristics that vary over time with simulated movement of the UE relative to the first virtual location, the second signal alternation profile including one or more second alternation characteristics that vary over time with simulated movement of the UE relative to the second virtual location; and transmitting signals for testing the UE based on the first and second emulated DL signals.

Abstract: A micro-lens array projection device has at least one light source, a field lens array, a projection lens array, and a pattern template arranged in a light beam path coming from the light source between the field lens array and the projection lens array for generating a light pattern from the light emitted by the light source. The pattern template is formed by a microslide array having at least two microslides. At least one microslide can be moved by at least one actuator in a plane located perpendicular to an optical axis between the field lens array and the projection lens array.

Abstract: There is provided generating, at a cell configured for a first air interface protocol, a reference signal based on a cell identifier for a second air interface protocol. At the cell configured for the first air interface protocol it is determined an air interface resource allocation for the first air interface protocol based on the cell identifier for the second air interface protocol. The cell configured for the first air interface protocol transmits the generated reference signal according to the determined air interface resource allocation.

Abstract: Methods and apparatus, including computer program products, are provided for increasing uplink beamforming gain. In one aspect there is provided a method of identifying user equipment which makes use of the proposed new beam-sweeping random access channel procedure that enables the base station to identify the best uplink transmit beam rather than the first beam that the base station managed to detect. Related apparatus, systems, methods, and articles are also described.

Abstract: Systems, methods, apparatuses, and computer program products for enabling multi-beam PRACH. One method may include transmitting a physical random access channel preamble based upon at least two different transmission beams in the same random access channel occasion; and receive a message configured to indicate a preferred transmission beam of the transmission beams used with the physical random access channel preamble.