Abstract: A terminal is disclosed including a transmitter that transmits a beam recovery request signal and a processor that controls the transmission of the beam recovery request signal. The transmission of the beam recovery request signal is controlled by the processor based on a received power that is measured using a channel state information reference signal (CSI-RS) resource or a synchronization signal (SS) block that is quasi co-located (QCL) with a demodulation reference signal of a downlink control channel. In other aspects, a radio communication method is also disclosed.

Abstract: Disclosed herein is a terminal configured to acquire a configuration for at least one PUCCH resource set associated with at least one downlink multicast channel, monitor a PDCCH in a search space for scheduling of a specific downlink multicast channel, and detect, as a result of the monitoring of the PDCCH, DCI having a CRC scrambled with a specific G-RNTI, wherein a specific PUCCH resource set associated with the specific downlink multicast channel may be mapped to a specific downlink frequency band having the search space for the monitoring of the PDCCH, wherein a PUCCH resource for transmission of HARQ-ACK for the specific downlink multicast channel among one or more PUCCH resources included in the specific PUCCH resource set may be indicated through the DCI.

Abstract: The present application relates to an electronic device in a wireless communication system, and a wireless communication method. The electronic device in a wireless communication system according to the present application comprises: a processing circuit, configured to perform a channel detection process in one or more beam directions of an unlicensed spectrum; and a transceiver circuit, configured to transmit a random access preamble sequence in one or more beam directions in which channels are detected as idle. The electronic device and the wireless communication method of the present application can implement a random access process on an unlicensed spectrum, improve the channel detection efficiency, and reduce the delay caused by the channel detection process.

Abstract: A radio access network operates by obtaining, at a scheduler, CSI corresponding to a plurality of RUs associated with a master DU and another plurality of RUs associated with at least one other DU, wherein the CSI associated with the another plurality of RUs is obtained via another scheduler or via the at least one other DU; allocating, based on the CSI, a resource allocation for resource blocks associated with the plurality of RUs and the another plurality of RUs; negotiating with the another scheduler to obtain PRB resources of RUs controlled by the another scheduler; generating, based on the CSI, precoders associated with the plurality of RUs and the another plurality of RUs; and facilitating, via the master DU and based on the precoders and the resource allocation, contemporaneous transmission to a user equipment UE via the plurality of RUs and the another plurality of RUs and contemporaneous reception from the user equipment UE via the plurality of RUs and the another plurality of RUs.

Abstract: Example communication methods and apparatus are described. In one example method, a terminal device receives configuration information of a first control resource set, where the configuration information of the first control resource set comprises mapping manner information of the first control resource set. The terminal device determines, based on the mapping manner information, a mapping manner between a control channel element (CCE) and resource element groups (REGs) in the first control resource set, where a REG in the first control resource set occupies one symbol in time domain and one resource block (RB) in frequency domain, and REGs in the first control resource set are numbered in a time-first manner. The mapping manner information indicates that the mapping manner is interleaved mapping.

Abstract: A wireless device initiates a beam failure recovery procedure based on a beam failure of at least one beam of a cell. A radio link failure is determined based on a failure of the beam failure recovery procedure. A radio link failure report is transmitted. The radio link failure report comprises: a first field indicating that the failure of the beam failure recovery procedure is a cause of the radio link failure; and a second field indicating a random access resource for the beam failure recovery procedure.

Abstract: This application discloses a search space determining method of a wireless apparatus, relates to the field of communications technologies, and is used to resolve a problem that an existing search space determining method cannot be applied to a future evolved network. The method includes: obtaining a second parameter, and a first parameter corresponding to a control resource set, where the first parameter is a positive integer not equal to 39827, 39829, and 65537, and the second parameter is equal to 65537 or is a prime number not equal to 65537; and determining a search space of the control resource set based on the first parameter and the second parameter. This application is applicable to a search space determining process.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a connection release message, the connection release message including a resource indicator indicating that a set of resources are to be used for grant-free uplink transmissions by the UE while operating in a disconnected state. The UE may transition from a connected state to a disconnected state based at least in part on the connection release message. The UE may perform, while operating in the disconnected state, the grant-free uplink transmissions using the set of resources.

Abstract: Aspects of the present disclosure provide various devices, methods, and systems for dynamic spectrum sharing of a spectrum between different radio access technologies and multiple frequency division duplexing modes. Dynamic spectrum sharing (DSS) is a technology that allows wireless network operators to share a spectrum between different radio access technologies (RATs). DSS allows an operator to dynamically allocate some existing 4G spectrum to 5G use to deliver 5G services using a shared spectrum.

Abstract: Provided is a multiple-input multiple-output (MIMO) antenna having a lightweight stacked structure. According to one aspect of the present invention, there is provided a MIMO antenna assembly having a lightweight stacked structure, in which a calibration network, which was provided between antenna elements and filters in the related art, is provided on one printed circuit board (PCB), together with a power amplifier and a digital circuit, and filters are closely coupled to the bottom of the PCB on which the feeding network is provided. The present invention employs a strategy in which an antenna assembly is reduced to a compact size while managing phase deviation caused due to filters at an acceptable level.

Abstract: Methods, apparatuses, and systems are described for wireless communications. A transmission timing difference between a first cell group and a second cell group may be determined. If the transmission timing difference exceeds a threshold, one or more devices may stop transmitting uplink signals via one or more secondary cells and/or may not apply the timing adjustment for a cell group.

Abstract: A method performed by a user equipment (UE) in idle mode, for determining common search space (CSS) for NB-IoT paging is disclosed. The method comprises determining a set of periodic subframes as a Paging Occasion (PO) subframe pattern. The method further comprises monitoring a starting subframe of paging CSS for a Radio Network Temporary Identifier (RNTI). The starting subframe of paging CSS is determined as follows: a first subframe (SF0) defined by the Paging Occasion subframe pattern, is used when SF0 is determined to be a valid downlink subframe. A next valid downlink subframe after SF0 is used when SF0 is determined to be an invalid downlink subframe.

Abstract: An arrangement is disclosed where in a multi-carrier communication system, the modulation scheme, coding attributes, training pilots, and signal power may be adjusted to adapt to channel conditions in order to maximize the overall system capacity and spectral efficiency without wasting radio resources or compromising error probability performance, etc.

Abstract: Disclosed herein are a method and a device for transmitting and receiving uplink data in a wireless communication system. According to the present disclosure, a UE may transmit to a base station information related to a capability of the UE and the information may include a subset including at least one transmit precoding matrix indicator (TPMI) supported by the UE. The UE may receive Downlink Control Information (DCI) for transmitting the uplink data from the base station and the DCI may include a TPMI used for the UE to transmit the uplink data. Thereafter, the UE may transmit to the base station the uplink data by using transmission power determined based on the TPMI and the transmission power may be determined according to whether the TPMI is included in the at least one TPMI.

Abstract: The embodiments of the present disclosure provide a method for determining a transmission bandwidth, a device and a storage medium. In the method, after configuring an unlicensed carrier for a terminal device, a network device performs channel detection on sub-bands on the unlicensed carrier, then determines, according to the detection result, which sub-bands are used for communication, indicates said sub-bands by means of first indication information, and then sends the first indication information to the terminal device; the terminal device determines, according to the first indication information, the sub-band on the unlicensed carrier for transmitting a downlink channel and/or downlink signal by the network device.

Abstract: The present invention relates to NR communication. A method for a user equipment provided with a plurality of panels or antennas to transmit an uplink signal to a plurality of transmission reception points (TRPs) comprises the steps of: receiving Downlink Control Indicators (DCI) including first to n-th field values; and transmitting identical uplink data to the plurality of TRPs by using the same number of antenna ports on the basis of the DCIs, wherein the first field value among the first to n-th field values may be determined on the basis of a Transmission Rank Indicator (TRI) and a Transmit Precoder Matrix Indicator (TPMI) corresponding to the selected first TRP among the plurality of TRPs, the second to n-th field values may be determined on the basis of second to n-th TPMIs respectively corresponding to the remaining second to n-th TRPs other than the selected first TRP, and the TRIs corresponding to the second to n-th field values may be determined on the basis of the TRI in the first field value.

Abstract: Systems, methods, and apparatuses for providing dynamic, prioritized spectrum utilization management. The system includes at least one monitoring sensor, at least one data analysis engine, at least one application, a semantic engine, a programmable rules and policy editor, a tip and cue server, and/or a control panel. The tip and cue server is operable utilize the environmental awareness from the data processed by the at least one data analysis engine in combination with additional information to create actionable data.

Abstract: A method performed by a terminal in a wireless communication system, according to one embodiment of the present disclosure, comprises: monitoring a physical downlink control channel (PDCCH) candidate in one or more of a first search space (SS) set on a first cell or a second SS set on a second cell; and receiving downlink control information (DCI) on the basis of the monitored PDCCH, wherein the second SS set is associated with cross-carrier scheduling for uplink transmission or downlink reception on the first cell, and the monitoring of the first SS set may not be performed on the first cell for the DCI format associated with a specific identifier on the basis of an overlap of at least a portion of a time domain resource unit associated with the first SS set and at least a portion of a time domain resource unit associated with the second SS set.

Abstract: This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for handling hybrid automatic repeat request (HARQ) processes with discontinuous reception (DRX) operations. A user equipment (UE) may use timers to maintain an ON duration in DRX. The UE may receive, via downlink control information (DCI), an indication of a feedback transmission opportunity (TxOP) for a HARQ process. The UE may activate a timer at the end of the TxOP regardless of whether the UE transmits feedback in the TxOP to ensure that the UE remains active. In some implementations, a base station may provide the UE with multiple opportunities to transmit a feedback message. The UE may reactivate a timer after each feedback TxOP for the same HARQ process or may activate the timer after the first feedback TxOP and may refrain from activating the timer after subsequent feedback TxOPs for the HARQ process.

Abstract: Provided in some implementations is a sidelink-related operation method of a first user equipment (UE) in a wireless communication system, including the steps in which: a first UE receives, from a second UE, a physical sidelink control channel (PSCCH) including modulation coding scheme (MCS) information; a channel status information reference signal (CSI-RS) and a physical sidelink shared channel (PSSCH) related to the PSCCH are received; CSI is derived on the basis of the CSI-RS; and the first UE transmits, to the second UE, a CSI report including the CSI, wherein the CSI is derived on the basis of the determination of an MCS table.