Abstract: According to some embodiments, a method performed by a wireless device for transmitting on a plurality of antennas comprises signaling, to a network node, a wireless device power transmission capability. The wireless device power transmission capability identifies a power ratio value of a plurality of power ratio values that the wireless device supports for transmission of a physical uplink channel. Each value of the plurality of power ratio values corresponds to a transmission power capability and to a number of antenna ports. A power ratio refers to a ratio relative to a maximum power the wireless device is rated to transmit. The method further comprises transmitting a physical uplink channel using the number of antenna ports with a power scaled at least by the power ratio value.

Abstract: Embodiments of the present disclosure provide method and apparatus for power headroom reporting. A method performed by a terminal device may comprise sending a first power headroom report (PHR) to a network device. The first PHR comprises first power headroom information for a first waveform and second power headroom information for a second waveform. The second power headroom information for the second waveform comprises information about maximum output power of the second waveform configured for the terminal device.

Abstract: A method of a user equipment, UE, for performing an uplink, UL, transmission, a method of a network node for scheduling an UL transmission, a user equipment and a network node are disclosed. The method of UE for performing UL transmission comprises: determining an uplink, UL, duty cycle of the UL transmission including an unscheduled transmission; applying a power backoff setting to a transmission power for the UL transmission in response to the UL duty cycle being larger than capability information reported by the UE for compliance with electromagnetic power density exposure requirements, to determine an actual transmission power for performing the UL transmission; and transmitting the UL transmission using the actual transmission power.

Abstract: A communication device operating in a communications network can determine to transmit information using repetition to a network node operating in the communications network during a random access, RA, procedure. The communication device can further determine a subset of preambles based on determining to transmit the information using repetition. Responsive to determining the subset of preambles, the communication device can determine a preamble of the subset of preambles to transmit to the network node to indicate a type of the repetition. The communication device can further transmit the preamble to the network node. The communication device can further transmit the information using the type of repetition to the network node.

Abstract: A user equipment (UE) receives, from a network node, codebook subset restriction (CBSR) signaling comprising a bitmap. The bitmap comprises a plurality of bits. A bit of the plurality of bits mapped to a first index indicates whether a vector with the first index from a first set of vectors is restricted. Bits of the plurality of bits mapped within a particular window indicate whether a vector with a second index from the second set of vectors is restricted. The UE restricts precoders selectable from a plurality of codebooks based on the restricted vectors.

Abstract: A method (1300) implemented by a user equipment, UE, for dynamic uplink waveform switching includes transmitting (1301) a first Physical Uplink Shared Channel, PUSCH, transmission to a network device using a first waveform. The UE sends (1302) a UE report to the network device. The UE report includes information associated with a second waveform that is different from the first waveform. The UE receives (1303) an indication of the second waveform from the network device. The UE transmits (1304) a second PUSCH transmission to the network device using the second waveform based on receiving the indication to transmit using the second waveform from the network device.

Abstract: A wireless device having N antenna ports, with N>4, receives (s1202), signaling configuring the wireless device to transmit according to a set of precoders, the set of precoders comprising a first type of precoder and a second type of precoder. For a transmission comprising L layers the first type of precoder corresponds to transmitting on all of the N antenna ports with mutually controlled phase among all the ports, and the second type of precoder corresponds to transmitting on at least a subset of the N antenna ports and to transmitting without controlled phase among all the antenna ports in the subset. Further, the wireless device receives (s1204) an indication that identifies a precoder of the first or the second type. Further, the wireless device transmits (s1206) signals on the antenna ports according to the identified precoder.

Abstract: A method, system and apparatus are disclosed. In some embodiments, a wireless device is configured to determine a power capability modification, and transmit a power headroom report, PHR. The PHR quantifies the power capability modification for a serving cell based on a first field and a second field included in the PHR.

Abstract: There is provided a method in a UE, for adapting a codebook based on the number of layers for transmissions. The method comprises: receiving a configuration of a codebook to use for uplink transmissions; mapping a list of indices to precoders of the codebook according to a rank of the precoders, wherein the list of indices are mapped to values of a parameter (“N”), first by increasing values of a number of transmitted layers and then by increasing values of N for a given number of layers; and transmitting a layer on an antenna port that corresponds to a value of the parameter N.

Abstract: A method, system and apparatus are disclosed. A method implemented in a wireless device is provided. The method includes receiving, from a network node, a Sounding Reference Signal, SRS, configuration indication including SRS resource set information, determining a power headroom report, PHR, set for at least one activated serving cell, where the PHR includes PH information associated with at least one SRS resource included in the SRS resource set, and transmitting, to the network node, the PHR including the PH information for the at least one SRS resource.

Abstract: Methods and apparatuses for random access. A method performed by a terminal device comprises determining a random access procedure to be performed, the random access procedure being one of a two-step random access procedure and a four-step random access procedure, and transmitting a request message for random access in the determined random access procedure.

Abstract: A wireless device (12, 50) obtains a window of time for bundling of a set of uplink transmissions (20) on a carrier or bandwidth part. The wireless device determines whether or not to apply a timing advance adjustment (16) within the window of time. The timing advance adjustment comprises an adjustment to a transmission timing of an uplink transmission on the carrier or bandwidth part. The wireless device transmits the uplink transmission on the carrier or bandwidth part during the window of time using a transmission timing which is in accordance with the determining. The determining is based on whether the timing advance adjustment is indicated by a received timing advance command (18) or whether the timing advance adjustment is due to a detected error in downlink timing.

Abstract: According to some embodiments, a method performed by a wireless device comprises receiving a sounding reference signal (SRS) configuration for a SRS resource set. The SRS resource set comprises a plurality of SRS resources. The SRS configuration comprises a first periodicity for a first subset of the plurality of SRS resources and a second periodicity for a second subset of the plurality of SRS resources. The method further comprises transmitting the first subset of SRS resources according to the first periodicity and transmitting the second subset of SRS resources according to the second periodicity.

Abstract: Systems and methods are disclosed herein for uplink power control for Transport Block (TB) over Multiple Slots (TBoMS). In one embodiment, a method performed by a wireless communication device comprises determining transmit power for a TBoMS uplink transmission per TBoMS transmission occasion and transmitting the TBoMS uplink transmission. In this manner, power control for TBoMS is provided.

Abstract: A method and system to signal transmission layers or dedicated reference signal ports to be used in a multiple input multiple output system, the method including providing a downlink control signal containing information for transmission layers or dedicated reference signal ports utilized, the dedicated reference signal ports being associated with the transmission layers; and using the information to demodulate data on each transmission layer.

Abstract: Systems and methods relating to 6-port and/or greater than 8-port Channel State Information Reference Signal (CSI-RS) configurations are disclosed. In some embodiments, a method of operation of a radio access node in a cellular communications network comprises configuring a plurality of CSI-RS ports for a wireless device, where the plurality of CSI-RS ports is six CSI-RS ports, ten CSI-RS ports, twelve CSI-RS ports, fourteen CSI-RS ports, or sixteen CSI-RS ports, depending on the embodiment. The method further comprises transmitting CSI-RS on at least a subset of the plurality of CSI-RS ports configured for the wireless device. In this manner, support for, e.g., an increased number of antenna ports and/or support for two-dimensional (2D) antenna arrays is provided.

Abstract: The present disclosure provides a method in a network device. The method includes: determining a configuration for a terminal device to transmit a Transmission Block, TB, the configuration indicating at least a transmission mode in which a single TB is allowed to be transmitted over more than one slot; transmitting the configuration to the terminal device; and receiving the TB that is transmitted from the terminal device according to the configuration.

Abstract: A method, system, network node and wireless device are disclosed. In one or more embodiments, A network node configured to communicate with a wireless device is provided. The network node includes processing circuitry configured to transmit a first configuration for prioritized 2-step random access, RA, signaling where the first configuration includes at least a power ramping step and is separately configured from a second configuration for RA signaling, and perform the prioritized 2-step RA signaling based on the power ramping step of the first configuration.

Abstract: According to some embodiments, a method performed by a wireless device for transmitting on a plurality of antennas comprises signaling, to a network node, a wireless device power transmission capability. The wireless device power transmission capability identifies a power ratio value of a plurality of power ratio values that the wireless device supports for transmission of a physical uplink channel. Each value of the plurality of power ratio values corresponds to a transmission power capability and to a number of antenna ports. A power ratio refers to a ratio relative to a maximum power the wireless device is rated to transmit. The method further comprises transmitting a physical uplink channel using the 0 number of antenna ports with a power scaled at least by the power ratio value.

Abstract: The present disclosure is related to the field of telecommunication, and in particular, to enhancement for uplink data transmission. A method at a terminal device comprises: receiving, from a network node, a first message indicating at least one parameter for a Physical Uplink Shared Channel (PUSCH) transmission; and transmitting, to the network node, the PUSCH transmission at least partially based on the first message. A method at a network node comprises: transmitting, to a terminal device, a first message indicating at least one parameter for a Physical Uplink Shared Channel (PUSCH) transmission; and receiving, from the terminal device, the PUSCH transmission at least partially based on the first message.