Abstract: This document generally relates to wireless communication involving a communication device that determines a switching gap based on at least one switching period of at least one band pair of at least three bands involved in an uplink (UL) transmitter (Tx) switching. In addition, a user device transmits, and a network device receives, an UL transmission after the UL Tx switching and/or a preceding UL transmission before the UL Tx switching according to the switching gap. In addition, this document relates to a user device that determines a restriction for a PDCCH monitoring capability, and reports a UE capability of the PDCCH monitoring capability with the restriction.

Abstract: The present disclosure describes methods, system, and devices for controlling transmission power. One method includes performing, by a user equipment (UE), transmission power control for uplink (UL) transmission by: receiving, by the UE, a message corresponding to the transmission power control; determining, by the UE, a power control parameter according to the message; and transmitting, by the UE, the UL transmission with a transmission power according to the power control parameter. Another method includes configuring, by a base station, transmission power control for UL transmission by: transmitting, by the base station to a UE, a message corresponding to the transmission power control, so that the UE is configured to determine a power control parameter according to the message; and receiving, by the base station from the UE, the UL transmission with a transmission power according to the power control parameter.

Abstract: A system and method for indicating timing difference between different cells. In one aspect, a wireless method may include measuring, by a wireless communication device, a current timing difference between a first time unit used in a first cell and a second time unit used in a second cell. In some embodiments, the method may include sending, by the wireless communication device to a wireless communication node, a message indicating the current timing difference.

Abstract: The present disclosure describes methods, system, and devices for configuring measurement subband configuration for interference measurement and reporting. One method includes determining, by a user equipment (UE), a measurement subband (MSB) configuration for interference measurement and reporting, the MSB configuration comprising at least one of size information and division information of a plurality of MSBs in a frequency range, the frequency range comprising an uplink (UL) subband; and transmitting, by the UE, feedback information to a base station, the feedback information comprising measurement result for at least one MSB in the plurality of MSBs. Another method includes receiving, by a base station from a UE, an MSB configuration; and receiving, by the base station, feedback information from the UE.

Abstract: Method, systems and devices for configuring time domain resource allocation (TDRA) of a physical uplink shared channel (PUSCH) for a user equipment. The method includes receiving, by the user equipment, a radio resource control (RRC), the RRC configuring a TDRA type corresponding to a TDRA table. Another method includes sending, by a network base station, a RRC configuring a TDRA type corresponding to a TDRA table for the user equipment.

Abstract: Techniques are described for transmission and reception of random access response (RAR) message. An example wireless communication method includes performing, by a communication device, transmissions on a plurality of random access channels; and receiving a message in response to the transmissions on the plurality of random access channels, where a transmission beam with which the communication device is to perform a subsequent transmission after the message is received is identified by information with which the message is scrambled, is identified by information included in the message, or is associated with a time domain location of the message, and where the transmission beam is used for a transmission of a random access channel from the plurality of random access channels.

Abstract: Techniques are described to construct a semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook. An example wireless communication method includes determining, by a communication device that is configured to communicate with a first cell and a second cell, a position of a first time slot associated with the first cell that overlaps with a second time slot associated with the second cell, where the second time slot is configured for a transmission of a hybrid automatic repeat request (HARQ) acknowledgement (ACK) information; determining, for the HARQ-ACK information, a plurality of time slots associated with the first cell and the second cell based on the position of the first time slot and a set of values associated with the first cell; and transmitting, by the communication device, the HARQ-ACK information for the plurality of time slots in the second time slot to the second cell.

Abstract: Techniques are described to perform cross-carrier scheduling. A wireless communication method comprises transmitting, by a network node to a communication node, a control information that schedules at least two shared channels for data transmission, where the control information is transmitted using a first channel associated with a first component carrier, and where the at least two shared channels are associated with at least two component carriers; and transmitting, to the communication node and using the at least two shared channels, at least two transmission blocks comprising data.

Abstract: Systems, methods, non-transitory processor-readable media, and apparatuses for determining, by a wireless communication device, a transmission power for multiple Physical Random Access Channel (PRACH) transmissions in a PRACH transmission bundle and transmitting, by the wireless communication device to a base station, the multiple PRACH transmissions using the transmission power.

Abstract: The present disclosure describes methods, system, and devices for multiple carrier transmission mechanism. One method includes receiving a configuration of a value for a set of cells, and receiving a configuration of a search space of a multi-cell scheduling downlink control information (MC-DCI), wherein: the set of cells is configured for multi-cell scheduling and at least one of the set cells are scheduled by the MC-DCI on a physical downlink control channel (PDCCH) candidate on a scheduling cell, the value is used to determine control channel element (CCE) indexes of the search space corresponding to the PDCCH candidate, and the search space is configured on at least one of the following: the scheduling cell carrying the MC-DCI or a scheduled cell in the set of cells.

Abstract: A wireless communication method includes receiving a signaling, from a base station (BS), to indicate a user equipment (UE) to perform a PUCCH transmission with N PUCCH repetitions, N being an integer larger than 1; determining one or more slots for the PUCCH transmission; and transmitting the PUCCH repetitions in the one or more slots.

Abstract: The present disclosure describes methods, system, and devices for configuring and scheduling a physical uplink control channel (PUCCH). A method includes transmitting, by a user equipment (UE), a PUCCH to a base station, the UE being configured with an uplink (UL) subband, by: receiving, by the UE, a configuration for at least one PUCCH resource; determining, by the UE, whether a PUCCH resource is valid for the UL subband based on the configuration; and in response to the determining that the PUCCH resource is valid for the UL subband, transmitting, by the UE, the PUCCH in the PUCCH resource to the base station.

Abstract: This disclosure is generally directed to wireless communication systems and methods and relates particularly to resource configuration and allocation for time-division duplex. The various implementations described in detail below concern scheduling and allocation of time-frequency communication resources within a uplink subband configured within a set of resources that are otherwise configured for downlink transmission or for transmission with a flexible direction. Various embodiments are described below for dynamically scheduling downlink transmissions within the resources of the uplink subband, for modifying/extending resources for the uplink subband in order to improve uplink and downlink transmission resource balance in real-time. The disclosure below further provides various implementations for resolving uplink and downlink transmission time conflict within the uplink subband and for transmitting downlink reference signal over the UL subband.

Abstract: Systems, methods, non-transitory processor-readable media, and apparatuses for determining, by a wireless communication device, a time-domain resource and a frequency-domain resource for transmitting at least one repetition of a Physical Random Access Channel (PRACH). The wireless communication device transmits to a base station, the at least one repetition of the PRACH using the time-domain resource and the frequency-domain resource.

Abstract: In one aspect a wireless communications method is disclosed. The method includes transmitting, from a first radio terminal to a second radio terminal, control information or payload data, wherein the receiving and a preparation is completed at a first time. The method further includes receiving, from the second radio terminal, feedback information at an interval later than a last symbol of the transmitted control information or payload data, wherein the interval is pre-defined by a protocol or configured by a network parameter.

Abstract: This document generally relates to wireless communication that includes a user device and a wireless access node that determine a first frequency range for an uplink (UL) bandwidth part (BWP) and a second frequency range for an UL sub-band. The user device and/or the wireless access node determine a frequency hopping offset value or a frequency resource for a physical uplink shared channel (PUSCH) based on at least one of the first frequency range or the second frequency range. The user device transmits, and the wireless access node receives, the PUSCH on the UL BWP or the UL sub-band.

Abstract: This document relates to wireless communication involving a network device determining, and a user device receiving, a first physical downlink control channel (PDCCH) configuration for a first downlink (DL) bandwidth part (BWP) and a second PDCCH configuration for a first sub-band within an uplink (UL) BWP or within the DL BWP. The network device transmits, and the user device receives, a PDCCH in the first sub-band according to the second PDCCH configuration, or the network device receives, and the user device transmits, an UL transmission in the UL BWP or in a second sub-band. Also, a network device configures a DL sub-band within an UL BWP and an UL sub-band within a DL BWP, the user device receives the DL sub-band and UL sub-band configurations, and the network device and user device perform a DL transmission in the DL sub-band or an UL transmission in the UL sub-band.

Abstract: This document generally relates to wireless communication that includes a user device that determines whether a first value indicated by a first type of downlink control information (DCI) matches a second value indicated by a second type of DCI. The user device selects a candidate physical uplink shared channel (PUSCH) for uplink control information (UCI) multiplexing based on at least determining whether the first and second values match. Also, a wireless access node transmits the first type of DCI and the second type of DCI, and receives a PUSCH with a multiplexed UCI corresponding to at least whether the first and second values match.

Abstract: This document generally relates to wireless communication with an aggregation link between user devices. A first user device sends a request to establish the aggregation link with a second user device to a wireless access node. The request includes at least one transport protocol and at least one of a first identification of the first user device or a second identification of the second user device. In response to receiving the request, the wireless access node determines the second user device, and requests that the first and second user devices establish the aggregation link, such as by sending a configuration of the aggregation link. The first and second user devices establish the aggregation link, and communicate data over the aggregation link.

Abstract: This document generally relates to establishing an aggregation link between layer entities of two user devices, and communicating data packets over the aggregation link. One user device may function as a primary user device that performs transmissions with a wireless access node. The other user device may function as a secondary user device that communicates data packets between the wireless access node and the primary user device for the transmissions. The wireless access node may communicate data packets between a protocol stack configuration for the primary user device and a protocol stack configuration for the secondary user device for the transmissions.