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 system and method for operating a hybrid 4G satellite network. The method includes providing a NGSG including a satellite AS/NAS stack, a terrestrial 4G stack and a relay to connect the satellite AS/NAS stack and the terrestrial 4G stack; transporting a 4G traffic between a 4G UE and the NGSG using a satellite air interface; utilizing a terrestrial network between the NGSG and a 4G CN to transport the 4G traffic; and mapping, with the relay, the 4G traffic between the satellite AS/NAS stack and the terrestrial 4G stack and vice versa, where the satellite air interface is better suited for satellite communications than the terrestrial network. A system and method for multiplexing a first-generation UE and a second-generation UE on a satellite channel.

Abstract: A method for synchronized selection of user equipments (UEs) for both downlink (DL) Multi-User Multiple Input Multiple Output (MU-MIMO) operation and uplink (UL) MU-MIMO operation includes: applying a common set of selection criteria for selecting a common pool of UE candidates for both DL and UL MU-MIMO operations, wherein the common set of selection criteria are applied in Stage-1 selection process to select Stage-1 candidates for a UE candidates list; and if the Stage-1 selection process applying the common set of selection criteria is not able to find UE candidates to fill available slots in the UE candidates list, initiating Stage-2 selection process involving 1) applying a first set of Stage-2 selection criteria to select DL-only traffic UEs as Stage-2 candidates for the UE candidates list, and 2) applying a second set of Stage-2 selection criteria to select UL-only traffic UEs as Stage-2 candidates for the UE candidates list.

Abstract: Embodiments of this application provide a data transmission method and an apparatus, and relate to the communication field, to indicate a plurality of codebooks or a plurality of sounding reference signal (SRS) resource combinations. The method includes: A terminal device receives first information, where the first information is used to indicate a plurality of codebooks; and the terminal device performs data transmission based on the plurality of codebooks, where each of the plurality of codebooks corresponds to one beam. Alternatively, a terminal device is configured to receive second information, where the second information is used to indicate N SRS resource combinations, where N is an integer greater than 1; and the terminal device performs data transmission based on the N SRS resource combinations, where each of the N SRS resource combinations corresponds to one beam. Embodiments of this application are applied to a 5G communication system.

Abstract: The described technology is generally directed towards reducing unwanted cellular network activities, such as phantom 911 calls or other unwanted cellular network activities. Machine learning models described herein can be trained, using device level data and network level data, to identify devices that are likely to engage in an unwanted cellular network activity. A trained machine learning model can be deployed to identify devices, and devices identified by the trained machine learning model can be re-configured to prevent them from engaging in the unwanted cellular network activity. Devices likely to engage in the unwanted cellular network activity are thus identified and reconfigured to prevent future unwanted cellular network activity before it occurs.

Abstract: One general aspect of the present disclosure includes a device configured to operate in a wireless system. The device including: a transceiver configured with a plurality of Evolved UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access (E-UTRA) operating bands; and a processor operably connectable to the transceiver, the processer is configured to: control the transceiver to transmit an uplink signal via two bands among the plurality of E-UTRA operating bands, wherein the two bands are configured for uplink carrier aggregation (CA), and consists of a first band and a second band; and control the transceiver to receive a downlink signal via one or more band from the three bands among the plurality of E-UTRA operating bands, wherein the three bands are configured for downlink CA, are consists of the first band, the second band, and a third band.

Abstract: In accordance with an example embodiment of the present invention, a method comprising: determining, by a user equipment of a communication network, information received from a communication network comprising a physical uplink control channel resource set indication and an indication of subcarrier spacing used for a physical uplink control channel; based on the information, determining at least one of a size or allocation of at least one physical uplink control channel resource associated with the physical uplink control channel resource set; and transmitting control information associated with the physical uplink control channel to the communication network using at least the determined at least one of size or allocation of the at least one physical uplink control channel resource.

Abstract: Embodiments of this application provide a method for receiving and sending a reference signal, an apparatus, and a system, so that a network device can correctly demodulate uplink data of different terminal devices of a same cell. This solution is applicable to a wireless communications system including a first cell. The first cell includes a plurality of terminal devices that can transmit uplink data on a same time-frequency resource. A first terminal device in the plurality of terminal devices determines an index of a first sequence based on a first parameter value, and generates a first reference signal based on the first sequence indicated by the index of the first sequence. Then, the first terminal device sends the first reference signal to the network device. The first parameter value is different from a parameter value corresponding to another terminal device in the plurality of terminal devices.

Abstract: A method may include transmitting multiple antenna beams to an unmanned aerial vehicle (UAV) and determining a location of the UAV. The method may also include identifying a network slice to service the UAV, assigning the identified network slice to the UAV and performing antenna beam management for the UAV while the UAV is in flight.

Abstract: Proposed are a method and device for receiving an EHT PPDU on the basis of a tone plan in a wireless LAN system. Specifically, a reception STA receives the EHT PPDU from a transmission STA through a 320 MHz band. The reception STA decodes the EHT PPDU. The EHT PPDU includes a control field and a data field. The control field includes information about a pilot tone. The information about the pilot tone includes allocation information indicating that a first pilot tone for the 320 MHz band is configured by repeating a second pilot tone for an 80 MHz band defined in an 802.11ax wireless LAN system. The first pilot tone is received in a data field on the basis of the allocation information.

Abstract: Methods, apparatuses, and systems described herein generally relate to a reference signal generation and mapping. For example, a method comprises determining a first set of antenna ports for a demodulation reference signal (DM-RS) transmission; determining, based on the first set, a frequency index associated with four adjacent resource elements, wherein the four adjacent resource elements correspond to two adjacent symbols in a time axis and to two adjacent subcarriers in a frequency axis; generating, based on a first orthogonal cover code and a second orthogonal cover code, a DM-RS associated with the first set of antenna ports; and transmitting, via a mapping to the four adjacent resource elements, the DM-RS associated with the first set of antenna ports.

Abstract: A wireless device may include a transceiver configured to communicate through a first link and a second link. The wireless device may be configured to indicate, through the transceiver, a number of spatial streams associated with the first link. The wireless device may include one or more radio frequency (RF) chains and may be configured to indicate a sharing capability of the one or more RF chains between the first and second links. The wireless device may be configured to perform a collision avoidance operation based on switching an RF chain from the first link to the second link. The wireless device may be configured use an RF chain on the first link based on the availability of the first link. A method of performing a sounding operation may include initiating a sounding sequence on a link based on a sounding feedback capability of a wireless device.

Abstract: In a case of using a different frequency band that is different from a frequency band including one or a plurality of frequency ranges, a terminal applies initial access configurations including a format of an initial access signal, the format being different from that for the frequency band. The terminal transmits the initial access signal via an initial access channel set based on the applied initial access configurations.

Abstract: Methods, systems, and devices for wireless communication are described. A first wireless device may establish a communication session with a second wireless device using a neighbor awareness networking (NAN) radio access technology (RAT). The first wireless device may transmit a first indication that the first wireless device is capable of using a secured ranging protocol. The first wireless device may receive a second indication that the second wireless device is also capable of using the secured ranging protocol. The first wireless device may determine one or more setup parameters to use for a ranging procedure between the first wireless device and the second wireless device based on the first indication and the second indication. Accordingly, the first wireless device may obtain a measurement report after using the secured ranging protocol to perform the ranging procedure in accordance with the one or more setup parameters.

Abstract: A method and device for power adjustment in a user equipment and a base station are disclosed in the present disclosure. The user equipment receives first information which is used to trigger a first operation, and then receives K piece(s) of target information and transmits a first wireless signal. A transmission power value of the first wireless signal is a first power value; the first power value is irrelevant to all piece(s) of target information received prior to triggering the first operation. The K piece(s) of target information is(are) received after triggering the first operation. The sum of K power offset value(s) is used to determine the first power value. The K power offset value(s) are respectively indicated by the K piece(s) of target information.

Abstract: Methods for resource indication and a terminal device are provided in implementations of the disclosure. The method includes the following. A first terminal device transmits a shared resource set to a second terminal device through first signaling, where the shared resource set indicates transmission resources for sidelink (SL) communication.

Abstract: A terminal includes a transmission unit that transmits a request for channel state information and one or more shared channels including a reference signal to another terminal, a control unit that configures a latency bound for a channel state report triggered by the request, and a reception unit that receives the channel state report triggered by the request, before the latency bound from the other terminal, wherein the control unit performs at least one of: an operation of controlling the channel state report based on reception of a HARQ feedback in a case where the reception unit receives the HARQ feedback corresponding to the request; and an operation of configuring a specific latency bound for each of multiple requests for the channel state information in a case where the transmission unit transmits the multiple requests for the channel state information corresponding to a channel state report event.

Abstract: A wireless device may select a power headroom value of a first cell. The power headroom value may be selected from a first power headroom value of an uplink transmission via uplink resources of the first cell, and a second power headroom value of a sidelink transmission via a sidelink resource pool of the first cell. The power headroom value may be selected based on whether the uplink transmission or the sidelink transmission is a scheduled transmission. The wireless device may transmit, based on selecting the power headroom value, a power headroom report comprising the power headroom value of the first cell.

Abstract: A UE may determine a number of antenna ports associated with a frequency band that includes one or more CCs. The determined number of antenna ports may be based on a plurality of UL Tx chains for the one or more CCs/frequency band. The UE may switch from a first UL Tx chain to a second UL Tx chain, at least one of which may be associated with the one or more CCs/frequency band. The number of antenna ports may correspond to a maximum number of antenna ports of an individual CC of the one or more CCs, or to a sum of antenna ports of the one or more CCs. For the latter, the number of antenna ports may be limited to an available number of UE antenna ports when the sum of antenna ports is greater than the available number of UE antenna ports.

Abstract: An appropriate MAC Control Element (CE) operation start timing control process is realized in an NTN system. A terminal 100 comprises: a wireless reception unit 106 that receives a MAC CE and an offset value (KMAC_ACTION, etc.); and a control unit 110 that, on the basis of the offset value, sets a slot for starting an operation based on a MAC CE control command.

Abstract: Advances in wireless technologies have resulted in the ability of a 5G communication system to support multiple wireless communication applications. Each of these applications requires special handling in all layers and more so in scheduler and physical layer. The present disclosure presents embodiments of dynamical creating a computation instance with a slice of resources allocated for each scheduling input. Each computation instance may be independently managed, controlled, and customized according to the specific requirements of the corresponding scheduling input. Such a dynamic resource allocation allows large number of slices in PHY layer. Furthermore, when overloading happens, one scheduling inputs may be migrated from one distribution unit (DU) to another DU without interruption for end users during scheduling migration. Accordingly, efficiency and robustness of a 5G communication system may be improved to serve multiple wireless communication applications.

Abstract: A wireless device receives one or more parameters indicating a plurality of sidelink carriers, a discontinuous transmission (DTX) threshold value, and a channel busy ratio (CBR) threshold value for a sidelink carrier selection procedure. The wireless device selects one or more first sidelink carriers from the plurality of sidelink carriers. The wireless device determines that the number DTXs on at least one sidelink carrier is equal to the DTX threshold value. Based on the determining, the wireless device triggers the sidelink carrier selection procedure and transmits a message indicating the at least one sidelink carrier. The wireless device selects, during the triggered sidelink carrier selection procedure and based on a CBR being below the CBR threshold value, a third sidelink carrier from the plurality of sidelink carriers. The wireless device transmits, to the second wireless device, a sidelink transport block (TB) via the third sidelink carrier.

Abstract: Disclosed is an electronic device including an antenna module comprising a plurality of antenna elements, and a processor operatively connected to the antenna module, wherein the processor is configured to form a plurality of reception beams by selecting a first number of antenna elements among the plurality of antenna elements, receive a first signal from an external device using the plurality of reception beams, select a second number of antenna elements that are used to transmit a signal to an external device, the second number being less than the first number, identify beam set information related to a plurality of transmission beam sets capable of being formed using the second number of antenna elements, select, based on quality information of the first signal and the beam set information, at least one transmission beam from the transmission beam sets, and transmit a second signal to the external device using the selected transmission beam.

Abstract: Aspects generally relate to wireless communication. In some aspects, an integrated access and backhaul (IAB) node may receive a configuration that indicates multiple resource patterns for one or more slots, wherein each resource pattern corresponds to a different set of one or more resource block (RB) sets within the one or more slots, and wherein each resource pattern includes at least one of: a resource availability pattern that indicates at least one of hard resources, soft resources, or not available resources for one or more RB sets corresponding to that resource pattern, or a resource directionality pattern that indicates at least one of uplink resources, downlink resources, or flexible resources for the one or more RB sets corresponding to that resource pattern. The IAB node may apply a resource pattern, of the multiple resource patterns, based at least in part on the configuration. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. Generally, a user equipment (UE) may transmit feedback signaling for received sidelink messages to both the base station and the transmitting UE. The receiving UE may multicast a feedback message to both the base station and the transmitting UE on a physical uplink control channel (PUCCH) or on a physical sidelink feedback channel (PSFCH). The base station may configure the receiving UE with resources, the transmitting UE may allocate resources to the receiving UE, or the base station may actively monitor for the feedback message. In some examples, the receiving UE may operate in a dual connectivity mode, and may transmit the feedback message to both the base station and the transmitting UE on both the PUCCH and the PSFCH.

Abstract: Methods and apparatus for beam refinement are disclosed. A wireless transmit/receive unit (WTRU) may be configured to receive configuration information. The configuration information may indicate an association between preambles, synchronization signal blocks (SSBs), reference signal (RS) sets, and physical uplink shared channel (PUSCH) resources. The WTRU may be configured to receive a plurality of SSBs, determine a measurement of the received SSBs, and select an SSB based on the determined measurement. The WTRU may be configured to select and transmit a preamble using a first beam. The WTRU may be configured to receive a plurality of sets of RSs based on the transmitted preamble and determine a measurement of the received sets of RSs. The WTRU may be configured to select a RS based on the determined measurement of the received sets of RSs. The WTRU may be configured to transmit uplink data on a PUSCH using a second beam.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling indicating a set of sidelink shared resources of a sidelink shared resource pool, a threshold quantity of mini-slot reservations for the set of sidelink shared resources, and an indication of a sidelink transmission mode of operation, where each slot of one or more slots of the set of sidelink shared resources may include multiple mini-slots. The UE may transmit to one or more sidelink UEs, sidelink control information that may include a reservation of a set of mini-slots of a first slot of the multiple slots, where the quantity of the set of mini-slots satisfies the threshold quantity of mini-slot reservations. The UE may transmit sidelink signaling to the one or more sidelink UEs, via the set of mini-slots according to the sidelink transmission mode of operation associated with the set of mini-slots.

Abstract: Disclosed is a channel detection method for a shared spectrum, which falls within the technical field of wireless communications. The method is executed by a first base station, and the method comprises: acquiring channel occupation information sent by a second base station, wherein the channel occupation indication information is used for indicating an occupation time period when the second base station successfully occupies a shared spectrum; and suspending, within the occupation time period, channel detection for shared spectrum resources occupied by the second base station. According to the solution disclosed, when a base station determines that another base station is occupying the shared spectrum, the base station does not perform channel detection on the occupied shared spectrum resources, thereby reducing unnecessary shared spectrum detection, and reducing the power consumption of the base station.

Abstract: The present application relates to devices and components including apparatus, systems, and methods for mapping transmission configuration indicator states to resources of physical downlink shared channel transmission occasions in wireless communication systems.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support management of network-configured sensing bandwidths in a wireless communication system. In particular aspects, a network configures a sensing bandwidth, and the sensing bandwidth configuration is signaled to a contending node. The contending node (e.g., a UE or a base station) performs a medium sensing procedure (e.g., a listen-before-talk (LBT) procedure) using the signaled configuration of the sensing bandwidth. Aspects of this disclosure provide various techniques for signaling the configuration of the sensing bandwidth to the contending node.

Abstract: The present disclosure describes methods, systems and devices for scheduling at least one cell with downlink control information (DCI) for a user equipment (UE). One method includes receiving, by the UE, the DCI via a physical downlink control channel (PDCCH) from a network base station, the DCI used to schedule at least one physical downlink shared channel (PDSCH) on the at least one cell. Another method includes sending, by a network base station to the UE, the DCI via a PDCCH, the DCI used to schedule at least one PDSCH on the at least one cell.

Abstract: A method of operating a user equipment (UE) includes receiving first information for a physical cell identifier (PCI) different from a serving cell PCI; receiving second information for source or measurement reference signals (RSs) for the PCI; determining, based on one or more transmission configuration indicator (TCI) states, the first information, and the second information, a reception spatial domain filter for reception of at least one of downlink (DL) RSs and channels from the PCI; and measuring, based on the first information and the second information, the measurement RS. The method further includes determining, based on the measured measurement RSs, the first information, and the second information, a beam report and transmitting the beam report for the PCI on an uplink (UL) channel. A beam refers to a spatial property used to receive or transmit a source RS or a channel.

Abstract: This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer storage media, for multiple downlink control information (DCI) message handling for multiple control resource set (CORESET) groups. In one aspect, a user equipment (UE) may provide separate or joint feedback for data messages received from different CORESET groups. In some examples, the UE may be configured with code block group (CBG)-based transmissions for a component carrier (CC) or a CORESET group in a CC. If implementing a dynamic codebook, the UE may track separate transport block (TB)-based and CBG-based downlink assignment indexes (DAIs) for each CORESET group or may track joint TB-based and CBG-based DAIs across the set of CORESET groups to handle the CBG configuration. Additionally, or alternatively, if implementing a semi-static codebook, the UE may apply skipping rules across the set of CORESET groups or separately for each CORESET group to reduce signaling overhead.

Abstract: A data receiving method, a data sending method, a terminal, and a network side device. The data receiving method is applied to a terminal, and includes: in a case that a network side device needs to perform early data transmission EDT and the terminal is in a radio resource control RRC idle state or an RRC inactive state, in a random access process with the network side device, receiving EDT data sent by the network side device and performing RRC state switching.

Abstract: A wireless communication method for use in a wireless terminal is disclosed. The wireless communication method comprises prioritizing a reception of a first resource when at least one event occurs, wherein the first resource and a second resource overlap in at least one time unit.

Abstract: A control apparatus that is connected to a plurality of antennas and performs communication of user data with a terminal apparatus using at least one of the plurality of antennas, specifies a reception state of a random access preamble transmitted from the terminal apparatus for establishing connection with the control apparatus, at each of the plurality of antennas, selects an antenna to be used when performing communication of user data with the terminal apparatus, from the plurality of antennas based on the respective reception states at the plurality of antennas, and performs control such that communication of user data is performed with the terminal apparatus using the selected antenna.

Abstract: Certain aspects of the present disclosure provide techniques for multi-carrier scheduling and search space activation.

Abstract: A wireless communication method for use in a wireless terminal comprises receiving, from a wireless network node, a signal associated with a paging message, and processing the received signal based on an event associated with an extended user equipment identification, UE ID, of the wireless terminal.

Abstract: Methods and apparatuses for channel occupancy sharing with a sidelink in a wireless communication system. A method of a user equipment (UE) includes receiving, from a base station (BS), a set of configurations, determining a channel occupancy initiated by the BS based on the set of configurations, determining a set of resources for a first sidelink transmission within the channel occupancy based on the set of configurations, and determining a sidelink channel access procedure associated with the first sidelink transmission based on the set of configurations. The method further includes performing the sidelink channel access procedure and transmitting, to at least one other UE, the first sidelink transmission within the channel occupancy upon successfully performing the sidelink channel access procedure.

Abstract: A method performed by a first STA in a wireless local area network (WLAN) according to various embodiments may comprise transmitting or receiving a TWT setup request message and a TWT setup response message. The first STA may perform a TWT operation on the basis of the TWT setup request message and the TWT setup response message. The TWT setup request message and the TWT setup response message may be transmitted or received through a first link included in multiple links. The first STA may set the first link to be in an awake state in order to perform the TWT operation through the first link.

Abstract: Provided are a method and an apparatus for determining a time-domain position of a search space, and a communication device. The method for determining the time-domain position of the search space includes: determining the time-domain position of the search space corresponding to a terminal, according to terminal parameter information and a search space monitoring periodicity of the terminal. The terminal parameter information includes: a terminal identity identifier (UE ID) or a cell radio network temporary identifier (C-RNTI) corresponding to the terminal; and the search space monitoring periodicity of the terminal is a predetermined value.

Abstract: Provided are a method for data feedback processing and a device. The method is applied to a first terminal and includes: determining a plurality of second terminals as feedback receiving terminals, upon determining that feedback is required to be provided in a first time slot for first data sent by the plurality of second terminals; determining whether the first terminal supports simultaneous feedback; and determining, according to a service priority level upon determining that the first terminal does not support simultaneous feedback, a target terminal having the highest service priority level from the plurality of feedback receiving terminals, and sending, in the first time slot, feedback information to the target terminal having the highest service priority level.

Abstract: A method of operating a first device 100 in a wireless communication system is proposed. The method may comprise: generating a MAC PDU related to a groupcast transmission; and selecting at least one SL resource for a transmission of the MAC PDU among a plurality of candidate resources in a resource pool, wherein a first SL resource included in the at least one SL resource is included in a first SL DRX active time, and the first SL resource being selected outside the first SL DRX active time is not allowed, based on the MAC PDU being related to groupcast transmission.

Abstract: This disclosure provides systems, methods and apparatus for wireless communications that support fallback from a 2-step to a 4-step random access procedures. A user equipment (UE) may establish a connection with a base station using a random access procedure. The random access procedure may be a 2-step random access procedure and reduce a number of handover exchange messages. The 2-step random access procedure may include the UE transmitting, to the base station, a first random access message including a preamble and a payload. In some implementations, the base station may receive the preamble but fail to receive or decode the payload. The random access procedure may utilize the received preamble information instead of performing retransmission of the first random access message. The base station may transmit a second random access message to the UE indicating, explicitly or implicitly, a fallback to a 4-step random access procedure for connection establishment.

Abstract: The present disclosure discloses a method and a device in wireless communication. A User Equipment receives first information; and then transmits a first radio signal; and transmits a second radio signal. The first information comprises P1 piece(s) of configuration information, each of which is used to determine first-type resources, a first-type integer, and a first-type set; the first radio signal and the second radio signal comprises M1 first and M2 second radio sub-signal(s), respectively; the M2 is an element within a target set which is a positive integer; time-frequency resources occupied by the first radio signal belong to the first-type resources determined by first configuration information, the M1 is the first-type integer determined by the first configuration information, the target set is the first-type set determined by the first configuration information. The present disclosure provides a method of determining a number of non-grant uplink repeated transmissions while avoiding timing confusion.

Abstract: Example implementations include a method, apparatus and computer-readable medium of wireless communication at a user equipment, including receiving on a physical downlink control channel (PDCCH) during a first PDCCH monitoring occasion a first downlink control information (DCI) that schedules a physical downlink shared channel (PDSCH) for each of at least two component carriers, wherein the DCI includes a counter downlink assignment index (DAI) that indicates a number of scheduled PDSCHs up to a point that the first DCI was received and a total DAI indicating a number of scheduled PDSCHs across the at least two component carriers. The implementations further include transmitting a physical uplink control channel (PUCCH) including a position for hybrid automatic repeat request (HARQ)-Acknowledgement (ACK) bits corresponding to the PDSCH for each of the at least two component carriers. Also included is a corresponding a method, apparatus and computer-readable medium of wireless communication at a base station.

Abstract: A device and method for new site impact analysis for network improvement. Key Performance Indicator (KPI) data is from a KPI database. A new site impact analysis graphical user interface (GUI) for analyzing an impact of a new site to the network is presented on a display device. A report GUI is presented on the display device for making a selection for generating a report including data associated with the impact of the new site. Based on the KPI data, the report is generated according to the selection made using the report GUI and displaying the report on the display device. At least one of a cluster of neighbor cells and the new site are configured to improve performance of the network based on the generated report. After configuring the at least one of the cluster of neighbor cells and the new site, the new site impact analysis GUI is used to bring the new site on-air.

Abstract: User equipment includes a control unit that selects a sidelink resource from candidate resources excluding a selected resource and a further resource within a predetermined time window and a transmitting unit that performs transmission or retransmission using the resource selected by the control unit.

Abstract: This document generally relates to use of non-coaxial estimation and compensation for orbital angular momentum (OAM) communication. The transmitting node may transmit an OAM signal to a receiving node. A non-coaxial parameter estimation node may determine one or more non-coaxial parameters according to the OAM signal. The transmitting node and/or the receiving node may perform beam forming and/or channel compensation based on the non-coaxial parameters.

Abstract: A terminal includes a reception unit configured to receive resource information of an uplink transmission, the resource information including spatial relation information, and a setting unit configured to perform configuration related to the uplink transmission, in accordance with the resource information of the uplink transmission, the resource information including the spatial relation information. The spatial relation information of the resource information of the uplink transmission is activated or deactivated.