Terminal, wireless communication method, and base station

Abstract

A terminal according to an aspect of the present disclosure includes: when a plurality of physical uplink control channels (PUCCH) associated with different transmission / reception points or different panels overlap in a time domain, a control portion that determines a specific PUCCH resource for mapping a plurality of uplink control information (UCI) of the plurality of PUCCHs for each transmission / reception point or each panel; and a transmission portion that transmits the plurality of UCI in the same time domain to the different transmission / reception points or by using the different panels by using the specific PUCCH resource determined for each transmission / reception point or each of the panels. According to an aspect of the present disclosure, UL transmission can be appropriately controlled, even when the UL transmission is performed using a plurality of panels.

Description

Terminal, wireless communication method and base station

[0001] The present disclosure relates to a terminal, a wireless communication method, and a base station in a next-generation mobile communication system.

[0002] Long Term Evolution (LTE) has been specified for the Universal Mobile Telecommunications System (UMTS) network with the aim of achieving higher data rates and lower latency (Non-Patent Document 1). Also, LTE-Advanced (3GPP Rel. 10-14) has been specified with the aim of achieving higher capacity and more advanced features than LTE (Third Generation Partnership Project (3GPP (registered trademark)) Release (Rel.) 8, 9).

[0003] Successor systems to LTE (e.g., 5th generation mobile communication system (5G), 5G+ (plus), 6th generation mobile communication system (6G), New Radio (NR), 3GPP Rel. 15 or later, etc.) are also being considered.

[0004] 3GPP TS 36.300 V8.12.0 “Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2 (Release 8)”, April 2010

[0005] In future wireless communication systems, a UE will be able to use one of multiple panels (or multiple beams) for uplink (UL) transmission. Furthermore, in Rel. 18 and later, support for simultaneous transmission across multiple panels (STxMP) is being considered to improve UL throughput and reliability.

[0006] However, there has been insufficient consideration on how to control UL transmission using multiple panels (e.g., simultaneous UL transmission) when it is supported. If UL transmission using multiple panels is not performed appropriately, there is a risk of degradation in system performance, such as a decrease in throughput.

[0007] Therefore, one of the objectives of the present disclosure is to provide a terminal, a wireless communication method, and a base station that can appropriately control UL transmission even when UL transmission is performed using multiple panels.

[0008] A terminal according to one aspect of the present disclosure includes: a control unit that, when multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, determines, for each transmission / reception point or panel, specific PUCCH resources to which multiple uplink control information (UCI) of the multiple PUCCHs are mapped; and a transmission unit that transmits the multiple UCIs in the same time domain using the specific PUCCH resources determined for each transmission / reception point or panel, for the different transmission / reception points or using the different panels.

[0009] According to one aspect of the present disclosure, even when UL transmission is performed using multiple panels, UL transmission can be appropriately controlled.

[0010] FIGS. 1A and 1B are diagrams illustrating an example of single-panel transmission. FIGS. 2A to 2C are diagrams illustrating an example of multi-panel transmission. FIGS. 3A to 3D are diagrams illustrating an example of single-DCI-based STxMP. FIGS. 4A and 4B are diagrams illustrating an example of single-DCI-based STxMP. FIGS. 5A to 5C are diagrams illustrating an example of multi-DCI-based STxMP. FIG. 6 is a diagram illustrating an example of a method for multiplexing multiple PUCCHs within a slot. FIGS. 7A and 7B are diagrams illustrating an example of a method for multiplexing multiple PUCCHs within a slot. FIGS. 8A and 8B are diagrams illustrating an example of a method for multiplexing multiple PUCCHs within a slot. FIG. 9 is a diagram illustrating an example of a method for transmitting multiple PUCCHs. FIG. 10 is a diagram illustrating an example of a method for multiplexing / mapping multiple PUCCHs according to the first embodiment. FIG. 11 is a diagram illustrating an example of PUCCH transmission according to Option 2-1. FIG. 12 is a diagram illustrating an example of PUCCH transmission according to Option 2-2. FIG. 13 is a diagram illustrating an example of PUCCH transmission. FIG. 14 is a diagram showing an example of allocation of PUCCH resources. FIG. 15 is a diagram showing an example of transmission of PUCCH according to option 2A-1. FIG. 16 is a diagram showing an example of transmission of PUCCH according to option 2A-2. FIG. 17 is a diagram showing an example of transmission of multiple CSIs according to the fourth embodiment. FIG. 18 is a diagram showing an example of a schematic configuration of a wireless communication system according to an embodiment. FIG. 19 is a diagram showing an example of a configuration of a base station according to an embodiment. FIG. 20 is a diagram showing an example of a configuration of a user terminal according to an embodiment. FIG. 21 is a diagram showing an example of hardware configurations of a base station and a user terminal according to an embodiment. FIG. 22 is a diagram showing an example of a vehicle according to an embodiment.

[0011] (Single Panel Transmission) Single panel UL transmission or a candidate single panel UL transmission scheme may employ at least one of the following transmission schemes A and B (single panel UL transmission schemes A and B). In the present disclosure, panel / UE panel may be interpreted as a UE capability value set (e.g., a UE capability value set) reported for each UE capability. In the present disclosure, different panels, different spatial relationships, different joint TCI states, different TPC parameters, different antenna ports, etc. may be interpreted as interchangeable terms.

[0012] <Transmission Scheme A: Single Panel Single TRP UL Transmission> In Rel. 15 and Rel. 16, a transmission scheme is used in which a UE transmits UL for one TRP from only one beam and panel at one time (FIG. 1A).

[0013] <Transmission Scheme B: Single Panel Multi-TRP UL Transmission> Rel. 17 considers UL transmission from only one beam and panel at a time and repeated transmission for multiple TRPs (Fig. 1B). In the example of Fig. 1B, the UE transmits a PUSCH from panel #1 to TRP #1 (switching beams and panels), and then transmits a PUSCH from panel #2 to TRP #2. The two TRPs are connected via an ideal backhaul.

[0014] (Multi-panel Transmission) In Rel. 18 and later, in order to improve UL throughput / reliability, support for simultaneous UL transmission using multiple panels (e.g., simultaneous multi-panel UL transmission (or STxMP)) for one or more TRPs is being considered. Also, a multi-panel UL transmission scheme is being considered for a specific UL channel (e.g., PUSCH / PUCCH).

[0015] For example, a maximum of X panels (e.g., X = 2) and a maximum of Y panels (e.g., Y = 2) may be supported for multi-panel UL transmission. Note that the values ​​of X and Y are not limited to these. In multi-panel UL transmission, if UL precoding instructions for PUSCH are supported, a codebook of an existing system (e.g., Rel. 16 or earlier) may be supported for simultaneous multi-panel transmission. Considering single DCI and multi-DCI-based multi-TRP operation, the number of layers may be up to x (e.g., x = 4) in all panels, and the number of codewords (CWs) may be up to y (e.g., y = 2) in all panels. Note that the values ​​of x and y are not limited to these.

[0016] At least one of the following methods 1 to 3 (multi-panel UL transmission methods 1 to 3) is being considered as a multi-panel UL transmission method or a candidate multi-panel UL transmission method. Only one of transmission methods 1 to 3 may be supported. Multiple methods including at least one of transmission methods 1 to 3 may be supported, and one of the multiple transmission methods may be configured in the UE.

[0017] <Transmission Scheme 1: Coherent Multi-Panel UL Transmission> Multiple panels may be synchronized with each other. All layers are mapped to all panels. Multiple analog beams are directed. The SRS Resource Indicator (SRI) field may be extended. This scheme may use up to 4 layers for UL.

[0018] In the example of Figure 2A, the UE maps one codeword (CW) or one transport block (TB) to L layers (PUSCH (1, 2, ..., L)) and transmits the L layers from each of two panels. Panels #1 and #2 are coherent. Transmission scheme 1 can obtain diversity gain. The total number of layers in the two panels is 2L. If the maximum total number of layers is 4, the maximum number of layers in one panel is 2.

[0019] <Transmission Scheme 2: Non-coherent Multi-Panel UL Transmission of One Codeword (CW) or Transport Block (TB)> The multiple panels may not be synchronized. Different layers are mapped to one CW or TB for different panels and PUSCHs from multiple panels. A layer corresponding to one CW or TB may be mapped to multiple panels. This transmission scheme may use up to four layers or up to eight layers for the UL. If up to eight layers are supported, this transmission scheme may support one CW or TB using up to eight layers.

[0020] In the example of FIG. 2B, the UE maps 1 CW or 1 TB to k layers (PUSCH(1, 2, ..., k)) and L-k layers (PUSCH(k+1, k+2, ..., L)), transmits k layers from panel #1, and transmits L-k layers from panel #2. Transmission scheme 2 can obtain gains through multiplexing and diversity. The total number of layers in the two panels is L.

[0021] <Transmission Scheme 3: Non-coherent Multi-Panel UL Transmission of Two CWs or TBs> The multiple panels may not be synchronized. Different layers are mapped to different panels and two CWs or TBs for PUSCHs from the multiple panels. A layer corresponding to one CW or TB may be mapped to one panel. Layers corresponding to multiple CWs or TBs may be mapped to different panels. This transmission scheme may use up to four layers or up to eight layers for the UL. When up to eight layers are supported, this transmission scheme may support up to four layers per CW or TB.

[0022] In the example of FIG. 2C , the UE maps CW#1 or TB#1 of the 2CWs or 2TBs to k layers (PUSCH (1, 2, ..., k)), maps CW#2 or TB#2 to L-k layers (PUSCH (k+1, k+2, ..., L)), and transmits k layers from panel #1 and L-k layers from panel #2. Transmission scheme 3 can obtain gains through multiplexing and diversity. The total number of layers in the two panels is L.

[0023] In each of the above transmission schemes, the base station may configure or indicate panel-specific transmission for UL transmission using UL TCI or panel ID. UL TCI (UL TCI state) may be based on signaling similar to DL beam indication supported in Rel. 15. The panel ID may be implicitly or explicitly applied to transmission of at least one of the target RS resource or target RS resource set, PUCCH, SRS, and PRACH. When the panel ID is explicitly signaled, the panel ID may be configured in at least one of the target RS, target channel, and reference RS (e.g., DL RS resource configuration or spatial relationship information).

[0024] (Simultaneous Multi-Panel Transmission) In Rel. 18 and later, in one or more of the above-mentioned transmission schemes / modes, multi-panel UL transmission (e.g., simultaneous transmission across multiple panels (STxMP)) for PUSCH scheduling based on one DCI (single DCI) / PUSCH scheduling based on multiple DCIs (multi-DCI) is being considered.

[0025] For example, in Rel. 18, the following STxMPs are expected to be supported: Single DCI PUSCH SDM scheme, Single DCI PUSCH SFN scheme, Single DCI PUCCH SFN scheme, Multi-DCI overlapping PUSCH+PUSCH scheme.

[0026] <Single DCI-based STxMP> In Rel. 18 and later, a UE with multiple panels (e.g., Panel #1 and Panel #2) may support simultaneous multi-panel transmission (STxMP) in a single DCI-based multi-TRP system (see Figure 3A). In single DCI-based STxMP, the following schemes may be applied for UL transmission (e.g., PUSCH, PUCCH, or PUSCH+PUCCH).

[0027] Space Division Multiplexing (SDM) scheme (PUSCH): Different layers / DMRS ports of one PUSCH are separately precoded and transmitted simultaneously from different UE panels / beams (see Fig. 3B). Single Frequency Network (SFN)-based transmission scheme (PUSCH): All layers / DMRS ports of one PUSCH are transmitted simultaneously from two different UE panels / beams (see Fig. 3C). Single Frequency Network (SFN)-based transmission scheme (PUCCH): One PUCCH is transmitted simultaneously from different panels (see Fig. 3D).

[0028] Figure 3B shows an example of a case where the SDM scheme for a single DCI-based PUSCH is applied. The UE may assume that repeated SDM PUSCH transmissions are scheduled on the same time and frequency resources. That is, when using coherent panels, the UE may transmit repeated SDM PUSCH transmissions on the same time and frequency resources. Figure 3B shows a case where the time and frequency resources of Layer #1 and Layer #2 corresponding to the PUSCH are the same.

[0029] 3B may be applied to a case where SDM is applied to one CW (or TB), or may be applied to a case where SDM is applied to two CWs (or TBs). When SDM is applied to two CWs, two CWs simultaneously transmitted from two different panels are spatially multiplexed.

[0030] Figure 3C illustrates an example of a single DCI-based PUSCH SFN-based transmission scheme. In SFN, a UE transmits the same signal from panels corresponding to different TCI states (e.g., joint / UL TCI states) to the same RE. Here, all layers (e.g., Layers 1-2) / DMRS ports of one PUSCH are simultaneously transmitted from two different UE panels (e.g., Panel 1 and Panel 2).

[0031] 3D shows an example of a single DCI-based PUCCH SFN-based transmission scheme, in which one PUCCH is simultaneously transmitted from different panels (e.g., panel #1 and panel #2).

[0032] In the SDM / SFN scheme of a single DCI-based PUSCH, multiple (e.g., two) SRS resource sets may be configured and multiple (e.g., two) SRI / TPMI fields may be indicated.

[0033] In the SFN scheme for single DCI-based PUCCH, multiple (eg, two) TCI states may be applied to one PUCCH resource.

[0034] <Multi-DCI-Based STxMP> In Rel. 18 and later, a UE with multiple panels (e.g., Panel #1 and Panel #2) may support simultaneous multi-panel transmission (STxMP) in a multi-DCI-based multi-TRP system (see Figure 4A). In multi-DCI-based STxMP, simultaneous transmission of UL channels / UL signals (e.g., PUSCH+PUSCH) may be supported (see Figure 4B). For example, two overlapping PUSCHs in the time domain are associated with different TRPs and transmitted simultaneously from different UE panels / beams.

[0035] A UE may simultaneously transmit two independent PUSCHs associated with different TRPs in the same active BWP. The total number of layers corresponding to the two independent PUSCHs may be specified as a maximum of X (or less than or equal to X), where X may be, for example, 4 or some other value. The maximum number of layers for each of the two PUSCHs may be X / 2 (e.g., 2) or some other value. The two independent PUSCHs may also be associated with different CORESET pool indices.

[0036] In a multi-DCI-based PUSCH+PUSCH, multiple (e.g., two) SRS resource sets may be configured, and the two SRS resource sets may be associated with different (e.g., two) CORESET pool indices, respectively.

[0037] In Rel. 18, simultaneous transmission of PUSCHs (e.g., PUSCH+PUSCH scheme) is supported as multi-DCI-based STxMP. Furthermore, in Rel. 19 and later, simultaneous transmission including an uplink control channel (e.g., PUCCH) (e.g., STxMP PUCCH+PUCCH, STxMP PUCCH+PUSCH) is also expected to be supported as multi-DCI-based STxMP.

[0038] FIG. 5A shows an example of multi-DCI-based STxMP PUSCH+PUSCH, FIG. 5B shows an example of multi-DCI-based STxMP PUCCH+PUCCH, and FIG. 5C shows an example of multi-DCI-based STxMP PUCCH+PUSCH.

[0039] In STxMP PUSCH+PUSCH (see FIG. 5A), two PUSCHs are associated with different TRPs and transmitted simultaneously from a UE panel. The two PUSCHs may be partially / fully overlapping in the time domain or partially / fully / non-overlapping in the frequency domain. TRP may be replaced with panel, CORESET pool index, SRS resource set, SSB group, CSI-RS group, TCI state, or group of TCI states.

[0040] In STxMP PUCCH+PUCCH (see Fig. 5B), two PUCCHs are associated with different TRPs and transmitted simultaneously from the UE panel, and the two PUCCHs may be partially / fully overlapping in the time domain and partially / fully / non-overlapping in the frequency domain.

[0041] In STxMP PUCCH+PUSCH (see FIG. 5C), one PUCCH and one PUSCH are associated with different TRPs and transmitted simultaneously from the UE panel, and the PUCCH and PUSCH may be partially / fully overlapping in the time domain and partially / fully / non-overlapping in the frequency domain.

[0042] Prior to Rel. 17 (e.g., STxMP PUCCH+PUCCH in FIG. 5B and STxMP PUCCH+PUSCH in FIG. 5C are not supported), UE operations to resolve overlap between PUCCH and other UL channels / signals (e.g., PUCCH-PUCCH, PUCCH-PUSCH) were supported.

[0043] For example, when the PUCCH overlaps with other UL channels / signals, the UE multiplexes UCIs of multiple PUCCH transmissions into one PUCCH resource, multiplexes UCIs of PUCCH transmissions into PUSCH transmissions, or drops the PUCCH / PUSCH transmissions. The UL channel on which UCI is multiplexed / dropped may be determined based on predetermined criteria (e.g., UCI type, priority index of PUCCH / PUSCH, etc.).

[0044] (Method of Multiplexing / Mapping UCI of Multiple PUCCHs) In Rel. 18, it is being considered to introduce UE operations regarding a method of multiplexing / mapping UCI of multiple PUCCHs in a slot.

[0045] Hereinafter, the UCI / PUCCH multiplexing / mapping method will be described using an example in which a plurality of PUCCHs are arranged as shown in FIG.

[0046] [Step 1] PUCCH resources with earlier start symbols may be arranged / ordered earlier than PUCCH resources with later start symbols, and PUCCH resources with longer durations may be arranged / ordered earlier than PUCCH resources with shorter durations.

[0047] In the example shown in FIG. 6, PUCCH resources are arranged / ordered in the order of PUCCH #0, #1, #2, #3, and #4.

[0048] [Step 2] Starting from the first PUCCH resource according to the order of step 1, for PUCCH resource #j, all PUCCH resources that overlap with PUCCH resource #j may be determined.

[0049] In the example shown in FIG. 7A, the first PUCCH resource is PUCCH #0, and PUCCHs #0, #1, and #2 overlap (PUCCHs #0, #1, and #2 are determined).

[0050] [Step 3] The UCIs of the overlapping PUCCH resources determined in step 2 may be multiplexed / mapped in one PUCCH resource.

[0051] The one PUCCH resource may be determined based on a rule defined in advance in a specification.

[0052] The one PUCCH resource may be determined based on at least one of a UCI type, a priority index, a UCI size, a supported UCI size of the PUCCH resource set / resource, and a number of resource blocks (RBs) of the PUCCH resource.

[0053] In the example shown in FIG. 7B, UCI of PUCCHs #0, #1, and #2 are multiplexed / mapped in one PUCCH resource (PUCCH #X).

[0054] Note that the selected (one) PUCCH resource used for transmission may be a PUCCH resource other than PUCCH #0, #1, and #2.

[0055] For example, the PUCCH resource set / PUCCH resource may be reselected based on the total UCI size after multiplexing / mapping.

[0056] [Step 4] For one PUCCH resource determined in step 3 (PUCCH #X in the example shown in FIG. 7B ) and the remaining PUCCH resources for which overlap has not been resolved (PUCCH #3 and #4 in the example shown in FIG. 7B ), restart from step 1.

[0057] Specifically, in the example shown in Fig. 8A, PUCCHs #X, #3, and #4 are reordered to become PUCCHs #0, #1, and #2, respectively. Then, the UCI of PUCCHs #1 and #2, which overlap in time, is multiplexed / mapped to one PUCCH resource (PUCCH resource #Y) (see Fig. 8B).

[0058] These above procedures are performed until there are no more overlapping PUCCH resources.

[0059] This procedure is defined to prevent different results from occurring when UCIs are multiplexed / mapped in different orders. For example, in the example of Figure 6, the results differ depending on whether PUCCH #0, #1, and #2 are multiplexed / mapped first or PUCCH #0 and #1 are multiplexed / mapped first.

[0060] (Analysis) Incidentally, the introduction of STxMP as described above is being considered for Rel. 18 and later.

[0061] When STxMP is performed, there has been insufficient consideration of how to multiplex / map multiple PUCCHs.

[0062] Furthermore, if multiplexing of UCIs of multiple PUCCHs associated with different panels / TRPs is permitted, the above-mentioned method of multiplexing / mapping multiple PUCCHs will need to be extended, but this has not been sufficiently considered.

[0063] For example, in the example shown in Figure 9, assume that PUCCH #0-0 is associated with TRP / UE panel #0, PUCCH #1-0 and #1-1 are associated with TRP / UE panel #1, and PUCCH #0-0 and PUCCH #1-0 / #1-1 overlap in the time domain. In this case, for example, if UCI multiplexing of PUCCH #0-0 and PUCCH #1-0 is possible, but UCI multiplexing of PUCCH #0-0 and PUCCH #1-1 is not possible, the UE needs to simultaneously transmit PUCCH #0-0 and PUCCH #1-1. However, it is not clear what operation the UE uses to simultaneously transmit PUCCH #0-0 and PUCCH #1-1.

[0064] If these considerations are not sufficient, operations related to STxMP may not be performed appropriately, which may inhibit an increase in communication throughput.

[0065] Therefore, the present inventors have focused on the case where PUCCH is supported as multi-DCI-based STxMP, studied UE operations in such a case, and conceived the present embodiment. Note that the present embodiment may be applied to cases other than STxMP having PUCCH related to multi-DCI.

[0066] Hereinafter, embodiments according to the present disclosure will be described in detail with reference to the drawings. Wireless communication methods according to the embodiments may be applied independently or in combination.

[0067] In the present disclosure, "A / B" and "at least one of A and B" may be interpreted interchangeably. Also, in the present disclosure, "A / B / C" may mean "at least one of A, B, and C."

[0068] In the present disclosure, terms such as notify, activate, deactivate, indicate (or indicate), select, configure, update, and determine may be read interchangeably. In the present disclosure, terms such as support, control, controllable, operate, and operate may be read interchangeably.

[0069] In the present disclosure, Radio Resource Control (RRC), RRC parameters, RRC messages, higher layer parameters, fields, information elements (IEs), settings, etc. may be interchangeable. In the present disclosure, Medium Access Control (MAC) control elements (CEs), update commands, activation / deactivation commands, etc. may be interchangeable.

[0070] In the present disclosure, the higher layer signaling may be, for example, any one of Radio Resource Control (RRC) signaling, Medium Access Control (MAC) signaling, broadcast information, other messages (e.g., messages from the core network such as positioning protocol (e.g., NR Positioning Protocol A (NRPPa) / LTE Positioning Protocol (LPP)) messages), or a combination thereof.

[0071] In the present disclosure, MAC signaling may use, for example, a MAC Control Element (MAC CE), a MAC Protocol Data Unit (PDU), etc. Broadcast information may be, for example, a Master Information Block (MIB), a System Information Block (SIB), Remaining Minimum System Information (RMSI), Other System Information (OSI), etc.

[0072] In the present disclosure, physical layer signaling may be, for example, Downlink Control Information (DCI), Uplink Control Information (UCI), and the like.

[0073] In the present disclosure, the terms index, identifier (ID), indicator, resource ID, etc. may be interchangeable. In the present disclosure, the terms sequence, list, set, group, cluster, subset, etc. may be interchangeable.

[0074] In the present disclosure, the terms panel, UE panel, UE capability value set (e.g., UE capability value set), panel group, beam, beam group, precoder, Uplink (UL) transmitting entity, Transmission / Reception Point (TRP), base station, Spatial Relation Information (SRI), spatial relation, SRS Resource Indicator (SRI), Control Resource Set (CORESET), Physical Downlink Shared Channel (PDSCH), Codeword (CW), Transport Block (TB), Reference Signal (RS), antenna port (e.g., Demodulation Reference Signal (DMRS) port), antenna port group (e.g., DMRS port group), group (e.g., spatial relation group, Code Division Multiplexing (CDM)), and so on are used interchangeably. The terms "CDM (Corrective Multiplexing) group," "reference signal group," "SSB group," "CSI-RS group," "CORESET group," "Physical Uplink Control Channel (PUCCH) group," "PUCCH resource group," "TCI state group," "resource (e.g., reference signal resource, SRS resource)," "resource set (e.g., reference signal resource set, SRS resource set)," "CORESET pool," "CORESET pool index," "TCI state," "downlink Transmission Configuration Indication state (TCI state) (DL TCI state)," "uplink TCI state (UL TCI state)," "unified TCI state," "common TCI state," "quasi-co-location (QCL)," "QCL assumption," and the like may be read as interchangeable.

[0075] Furthermore, the spatial relationship information identifier (ID) (TCI state ID) and the spatial relationship information (TCI state) may be interchangeable. The "spatial relationship information" may be interchangeable with "set of spatial relationship information," "one or more pieces of spatial relationship information," etc. The TCI state and the TCI may be interchangeable with each other.

[0076] Furthermore, the panel identifier (ID) and the panel may be interchangeable. That is, the TRP ID and the TRP, the CORESET group ID and the CORESET group, etc. may be interchangeable.

[0077] In the present disclosure, the terms TRP, transmission point, panel, DMRS port group, CORESET pool, and one of two TCI states associated with one code point in the TCI field may be read interchangeably.

[0078] In the present disclosure, transmission / reception of a channel / signal using a single TRP may be interpreted as the TCI states (joint / separate / indicated TCI states) being equal in the transmission / reception of the channel / signal (e.g., NCJT / CJT / repeat), or the number of TCI states (joint / separate / indicated TCI states) being one in the transmission / reception of the channel / signal (e.g., NCJT / CJT / repeat).

[0079] Transmission / reception of a channel / signal using a single TRP may also be interpreted as the TCI states (joint / separate / indicated TCI states) being different in the transmission / reception of the channel / signal (e.g., NCJT / CJT / repeat), or the number of different TCI states (joint / separate / indicated TCI states) being multiple (e.g., two) in the transmission / reception of the channel / signal (e.g., NCJT / CJT / repeat).

[0080] In this disclosure, the terms single TRP, single TRP system, single TRP transmission, and single PDSCH may be interchangeable. In this disclosure, the terms multi-TRP, multi-TRP system, multi-TRP transmission, and multi-PDSCH may be interchangeable.

[0081] In the present disclosure, a single DCI, a single PDCCH, multiple TRPs based on a single DCI, activating two TCI states on at least one TCI code point, mapping at least one code point of a TCI field to two TCI states, and setting a specific index (e.g., a TRP index, a CORESET pool index, or an index corresponding to a TRP) for a specific channel / CORESET may be read interchangeably.

[0082] In the present disclosure, the terms single TRP, channel / signal using single TRP, channel using one TCI state / spatial relationship, multi-TRP not enabled by RRC / DCI, multiple TCI states / spatial relationships not enabled by RRC / DCI, a CORESETPoolIndex value of 1 not set for any CORESET, and no code point in the TCI field mapped to two TCI states may be read interchangeably.

[0083] In the present disclosure, multi-TRP, channel / signal using multi-TRP, channel using multiple TCI states / spatial relationships, multi-TRP enabled by RRC / DCI, multiple TCI states / spatial relationships enabled by RRC / DCI, and at least one of multi-TRP based on a single DCI and multi-TRP based on multiple DCI may be read interchangeably.

[0084] In the present disclosure, multi-TRP based on multi-DCI (multi-DCI-based multi-TRP), multi-DCI multi-TRP, setting one CORESET pool index (CORESETPoolIndex) value for a CORESET, and setting multiple specific indexes (e.g., TRP index, CORESET pool index, or index corresponding to a TRP) for a specific channel / CORESET may be read interchangeably.

[0085] In the present disclosure, TRP #1 (first TRP) may correspond to CORESET pool index = 0 or may correspond to the first of two TCI states corresponding to one code point in the TCI field. TRP #2 (second TRP) TRP #1 (first TRP) may correspond to CORESET pool index = 1 or may correspond to the second of two TCI states corresponding to one code point in the TCI field.

[0086] In the present disclosure, single DCI (sDCI), single PDCCH, multi-TRP system based on single DCI, sDCI-based MTRP, and activation of two TCI states on at least one TCI codepoint may be read interchangeably.

[0087] In the present disclosure, multi-DCI (mDCI), multi-PDCCH, multi-TRP system based on multi-DCI, mDCI-based MTRP, and setting two CORESET pool indices or CORESET pool index = 1 (or a value greater than or equal to 1) may be read interchangeably.

[0088] In the present disclosure, the beam indication DCI, the beam indication MAC CE, and the beam indication DCI / MAC CE may be interchangeable. In other words, an indication regarding the indication TCI state to the UE may be made using at least one of the DCI and the MAC CE.

[0089] In the present disclosure, the terms channel, signal, and channel / signal may be interchangeable. In the present disclosure, the terms DL channel, DL signal, DL signal / channel, transmission / reception of DL signal / channel, DL reception, and DL transmission may be interchangeable. In the present disclosure, the terms UL channel, UL signal, UL signal / channel, transmission / reception of UL signal / channel, UL reception, and UL transmission may be interchangeable.

[0090] In this disclosure, applying a TCI state / QCL assumption to each channel / signal / resource may mean applying the TCI state / QCL assumption to transmission and reception of each channel / signal / resource.

[0091] In the present disclosure, the first TRP may correspond to the first TCI state (the first indicated TCI state). In the present disclosure, the second TRP may correspond to the second TCI state (the second indicated TCI state). In the present disclosure, the nth TRP may correspond to the nth TCI state (the nth indicated TCI state).

[0092] In the present disclosure, a first CORESET pool index value (e.g., 0), a first TRP index value (e.g., 1), and a first TCI state (first DL / UL (joint / separate) TCI state) may correspond to each other. In the present disclosure, a second CORESET pool index value (e.g., 1), a second TRP index value (e.g., 2), and a second TCI state (second DL / UL (joint / separate) TCI state) may correspond to each other.

[0093] In the present disclosure, the terms transmission, scheduling, mapping, multiplexing, setting, etc. may be read interchangeably.

[0094] In the following embodiments of the present disclosure, the application of multiple TCI states in transmission and reception using multiple TRPs will be mainly described with respect to a method for two TRPs (i.e., when at least one of N and M is 2), but the number of TRPs may be three or more (multiple), and each embodiment may be applied to correspond to the number of TRPs. In other words, at least one of N and M may be a number greater than 2.

[0095] (Wireless Communication Method) In the following description, a multi-DCI-based multi-TRP is taken as an example, but the application of this embodiment is not limited to this. It may also be applied to cases where UL channels / signals overlap in the time domain.

[0096] When multi-DCI-based multi-TRP is configured / applied, the UE may be provided with no CORESET pool index for the first CORESET of the active DL BWP of the serving cell, or may be provided with a CORESET pool index of a first value (e.g., 0), and may be provided with a CORESET pool index of a second value (e.g., 1) for the second CORESET of the active DL BWP of the serving cell.

[0097] In this disclosure, a TRP / panel may refer to a CORESET pool index, an SRS resource set, an SSB group, a CSI-RS group, a TCI state, or a TCI state group.

[0098] In the following description, the case where two TRPs are configured in one cell / CC (or two TRPs are associated with one cell / CC) will be described as an example, but the case to which this embodiment can be applied is not limited to this. The number of TRPs may be three or more. It may also be applied to the case where two TRPs corresponding to different cells are configured (or a TRP is associated with each of multiple (e.g., two) cells / CCs).

[0099] In addition, in the present disclosure, overlapping of PUCCHs in the time domain may mean at least one of: multiple PUCCH resources completely overlapping; multiple PUCCH resources at least partially overlapping; and the time resource of one PUCCH resource including the time resource of another PUCCH resource.

[0100] First Embodiment The first embodiment relates to a method for multiplexing / mapping UCI in multiple PUCCHs.

[0101] The UE may support simultaneous multi-panel transmission (STxMP) of multiple PUCCHs. The UE may report UE capability for simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0102] The UE may receive a configuration for simultaneous multi-panel transmission (STxMP) of multiple PUCCHs, which may be signaled to the UE using higher layer signaling (RRC / MAC CE), and the UE may use the configuration to enable simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0103] The setting / UE capability may be, for example, a setting / UE capability common to at least one of the settings / UE capabilities for multiple simultaneous PUSCH multi-panel transmissions and simultaneous PUSCH and PUCCH multi-panel transmissions.

[0104] The setting / UE capability may be, for example, a setting / UE capability separate from at least one of the setting / UE capability for multiple simultaneous PUSCH multi-panel transmissions and the setting / UE capability for simultaneous PUSCH and PUCCH multi-panel transmissions.

[0105] Multiple PUCCHs may be associated with each TRP / UE panel, and one or more PUCCHs may be associated with one TRP / UE panel.

[0106] Multiple PUCCHs associated with the same TRP / UE panel may be transmitted / scheduled / configured in the same time domain (e.g., slot), and may include UCI (e.g., HARQ-ACK / SR / CSI).

[0107] In this case, the UE may multiplex / map the UCI to a specific PUCCH in the time domain (eg, slot).

[0108] The specific PUCCH may be determined, for example, based on the method described in steps 1 to 4 above (or each step described in the third embodiment below). The specific PUCCH may be determined for each TRP / UE panel.

[0109] Fig. 10 is a diagram illustrating an example of a multiplexing / mapping method of multiple PUCCHs according to the first embodiment. In the example illustrated in Fig. 10, PUCCHs #0-0 to #0-2 associated with TRP #0 and UE panel #0 and PUCCHs #1-0 to #1-2 associated with TRP #1 and UE panel #1 are scheduled / configured in the same slot.

[0110] In the example shown in FIG. 10, the UE multiplexes / maps UCI for PUCCHs #0-0 to #0-2 onto the specific PUCCH, PUCCH #0-X, and multiplexes / maps UCI for PUCCHs #1-0 to #1-2 onto the specific PUCCH, PUCCH #1-X.

[0111] According to the first embodiment, it is possible to appropriately perform multi-panel simultaneous transmission of a plurality of PUCCHs.

[0112] Second Embodiment The second embodiment relates to a method for multiplexing / mapping UCI in multiple PUCCHs.

[0113] In this embodiment, either "the UE can multiplex / map UCI of multiple (e.g., two) PUCCHs" or "the UE cannot multiplex / map UCI of multiple (e.g., two) PUCCHs, and the UE transmits the multiple PUCCHs simultaneously" may be determined based on a rule defined in advance in the specifications.

[0114] The rule may be based on at least one of, for example, UCI type, priority index (of UCI type / PUCCH resource), index relating to panel / TRP (e.g., CORESET pool index, e.g., whether multiple PUCCHs are associated with the same panel / TRP or different panels / TRPs).

[0115] The UE may support simultaneous multi-panel transmission (STxMP) of multiple PUCCHs. The UE may report UE capability for simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0116] The UE may receive a configuration for simultaneous multi-panel transmission (STxMP) of multiple PUCCHs, which may be signaled to the UE using higher layer signaling (RRC / MAC CE), and the UE may use the configuration to enable simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0117] The setting / UE capability may be, for example, a setting / UE capability common to at least one of the settings / UE capabilities for multiple simultaneous PUSCH multi-panel transmissions and simultaneous PUSCH and PUCCH multi-panel transmissions.

[0118] The setting / UE capability may be, for example, a setting / UE capability separate from at least one of the setting / UE capability for multiple simultaneous PUSCH multi-panel transmissions and the setting / UE capability for simultaneous PUSCH and PUCCH multi-panel transmissions.

[0119] Multiple PUCCHs may be associated with each TRP / UE panel, and one or more PUCCHs may be associated with one TRP / UE panel.

[0120] The UE may determine whether to multiplex / map UCI for multiple PUCCHs based on at least one of the following: (1) the existence of PUCCH / UCI associated with a certain UE panel / TRP that cannot be multiplexed with PUCCH / UCI associated with another UE panel / TRP; and (2) whether simultaneous transmission of PUCCH associated with a certain UE panel / TRP and PUCCH associated with another UE panel / TRP is performed (whether such simultaneous transmission is possible).

[0121] <<Option 2-1>> For example, when there is at least one PUCCH / UCI associated with a certain UE panel / TRP (e.g., a first UE panel / TRP) that cannot be multiplexed with the PUCCH / UCI associated with another UE panel / TRP (e.g., a second UE panel / TRP), and the UE is capable of simultaneously transmitting the PUCCH associated with the certain UE panel / TRP and the PUCCH associated with the other UE panel / TRP, the UE may simultaneously transmit the PUCCH associated with the certain UE panel / TRP and the PUCCH associated with the other UE panel / TRP without multiplexing the UCI of the PUCCH associated with the certain UE panel / TRP and the PUCCH associated with the other UE panel / TRP.

[0122] Also, for example, if there is no PUCCH / UCI associated with a certain UE panel / TRP (e.g., a first UE panel / TRP) that cannot be multiplexed with the PUCCH / UCI associated with another UE panel / TRP (e.g., a second UE panel / TRP) (if all PUCCHs / UCI associated with other UE panels / TRPs can be multiplexed onto the PUCCH associated with a certain UE panel / TRP), the UE may multiplex / map the UCI of the PUCCH associated with the certain UE panel / TRP and the PUCCH associated with the other UE panel / TRP onto a specific PUCCH.

[0123] 11 is a diagram showing an example of PUCCH transmission according to Option 2-1. In the example shown in Fig. 11, PUCCH #0-0 is associated with TRP / UE panel #0, PUCCH #1-0 and #1-1 are associated with TRP / UE panel #1, and PUCCH #0-0 and PUCCH #1-0 / #1-1 overlap in the time domain.

[0124] In the example shown in FIG. 11 , if PUCCH #0-0 (UCI of PUCCH #0-0) and at least one of PUCCH #1-0 and #1-1 (UCI of PUCCH #1-0 and #1-1) cannot be multiplexed / mapped on one PUCCH, and the UE can (is able to) simultaneously transmit PUCCH #0-0 and PUCCH #1-0 / #1-1, the UE does not multiplex these UCIs and simultaneously transmits PUCCH #0-0 and PUCCH #1-0 / #1-1.

[0125] <<Option 2-2>> For example, if there is a PUCCH / UCI associated with a certain UE panel / TRP (e.g., a first UE panel / TRP) and another UE panel / TRP (e.g., a second UE panel / TRP) that can be multiplexed with the PUCCH / UCI associated with the other UE panel / TRP, the UE may include the PUCCH / UCI associated with the other UE panel / TRP in a specific set (e.g., set Y).

[0126] The UE may multiplex / map the UCI of the PUCCHs associated with a certain UE panel / TRP and the PUCCHs in the specific set in one specific PUCCH resource.

[0127] The specific PUCCH resource may be determined based on a rule defined in advance in a specification.

[0128] For example, the particular PUCCH resource may be determined based on at least one of an index related to the panel / TRP, a UCI type, a priority index, a UCI size, a supported UCI size of the PUCCH resource set / resource, and the number of RBs of the PUCCH resource.

[0129] For example, the specific PUCCH resource may be selected / determined from the PUCCH resources of an index related to any panel / TRP, or the specific PUCCH resource may be selected / determined from the PUCCH resources of an index related to a specific panel / TRP.

[0130] The particular panel / TRP may be, for example, a first (e.g., lower-value index) / second (e.g., higher-value index) panel / TRP, or may be the same panel / TRP as the panel / TRP corresponding to a PUCCH resource with a higher (or lower) priority index, or may be the same panel / TRP as the panel / TRP corresponding to a PUCCH resource including a particular UCI type (e.g., HARQ-ACK).

[0131] Note that the specific PUCCH resource may be a PUCCH resource other than the PUCCH resource before multiplexing (e.g., a PUCCH associated with a certain UE panel / TRP and a PUCCH in the specific set). By configuring in this way, it is possible to appropriately select / determine a PUCCH resource / PUCCH resource set based on the total UCI size after multiplexing / mapping.

[0132] 12 is a diagram showing an example of PUCCH transmission according to Option 2-2. The example of PUCCH allocation shown in FIG. 12 is the same as that in FIG.

[0133] In the example shown in FIG. 12, if PUCCH #0-0 (UCI of PUCCH #0-0) and PUCCH #1-0 (UCI of PUCCH #1-0) can be multiplexed / mapped in one PUCCH, the UE multiplexes / maps these UCIs in PUCCH #a-b and transmits them.

[0134] In the example shown in FIG. 12, PUCCH #0-0 (UCI of PUCCH #0-0) and PUCCH #1-1 (UCI of PUCCH #1-1) cannot be multiplexed / mapped in one PUCCH.

[0135] <Variations of the Second Embodiment> (Analysis 2A) As in the example shown in FIG. 12 above, if the UE can simultaneously transmit PUCCH #a-b and PUCCH #1-1, or if PUCCH #a-b and PUCCH #1-1 do not overlap in the time domain, there is no problem with UE operation.

[0136] However, as in the example shown in Figure 13, if PUCCH #a-b and PUCCH #1-1 overlap in the time domain, and the UE cannot simultaneously transmit PUCCH #a-b and PUCCH #1-1 (for example, PUCCH #a-b and PUCCH #1-1 are associated with the same panel / TRP), and PUCCH #a-b and PUCCH #1-1 cannot be multiplexed, this is an unexpected case, and at least one of PUCCH #a-b and PUCCH #1-1 will not be transmitted (for example, will be dropped).

[0137] Furthermore, when multiple PUCCH resources overlap in the time domain and are associated with different UE panels / TRPs (for example, in the example shown in FIG. 14, PUCCH #0-0, #0-1, #1-0, and #1-1 overlap in the time domain, and PUCCH #0-0 and #0-1 are associated with UE panel / TRP #0, and PUCCH #1-0 and #1-1 are associated with UE panel / TRP #1), and at least two of the multiple PUCCH resources cannot be multiplexed (for example, in the example shown in FIG. 14, multiplexing is possible for PUCCH #0-0 and #0-1, PUCCH #0-0 and #1-0, and PUCCH #1-0 and #1-1, but not for PUCCH #0-0 and #1-1), the UE must simultaneously transmit at least PUCCH #0-0 and PUCCH #1-1.

[0138] However, the behavior of the UE in such a case is unclear.

[0139] Therefore, the following describes UE behavior that can accommodate such cases.

[0140] The UE may determine whether to multiplex / map UCI for multiple PUCCHs based on at least one of the following: (1) the existence of PUCCH / UCI associated with a certain UE panel / TRP that cannot be multiplexed with PUCCH / UCI associated with another UE panel / TRP; and (2) whether simultaneous transmission of PUCCH associated with a certain UE panel / TRP and PUCCH associated with another UE panel / TRP is performed (whether such simultaneous transmission is possible).

[0141] <<Option 2A-1>> The UE may support simultaneous multi-panel transmission (STxMP) of multiple PUCCHs. The UE may report its UE capability regarding simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0142] The UE may receive a configuration for simultaneous multi-panel transmission (STxMP) of multiple PUCCHs, which may be signaled to the UE using higher layer signaling (RRC / MAC CE), and the UE may use the configuration to enable simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0143] Multiple PUCCHs may be associated with each TRP / UE panel, and one or more PUCCHs may be associated with one TRP / UE panel.

[0144] For example, if there is a PUCCH / UCI associated with a certain UE panel / TRP (e.g., a first UE panel / TRP) that cannot be multiplexed with a PUCCH / UCI associated with another UE panel / TRP (e.g., a second UE panel / TRP), and the UE simultaneously transmits (can transmit) the PUCCH associated with the certain UE panel / TRP and the PUCCH associated with the other UE panel / TRP, the UE may multiplex the UCI of the PUCCH associated with the same UE panel / TRP, without multiplexing the UCI of the PUCCH associated with a different UE panel / TRP.

[0145] In this case, the UE may simultaneously transmit PUCCHs associated with different panels / TRPs.

[0146] Also, for example, if there is no PUCCH / UCI associated with another UE panel / TRP that cannot be multiplexed with the PUCCH / UCI associated with a certain UE panel / TRP (if all PUCCH / UCI associated with another UE panel / TRP can be multiplexed with the PUCCH associated with a certain UE panel / TRP), the UE may multiplex the UCI of the PUCCH associated with a different UE panel / TRP.

[0147] 15 is a diagram illustrating an example of PUCCH transmission according to Option 2A-1. In the example shown in FIG. 15, PUCCHs #0-0 and #0-1 are associated with TRP / UE panel #0, PUCCHs #1-0 and #1-1 are associated with TRP / UE panel #1, and PUCCHs #0-0, #0-1, #1-0, and #1-1 overlap in the time domain.

[0148] In the example shown in Figure 15, the UE determines that the UCI of PUCCH #0-0 and PUCCH #0-1 is multiplexed / mapped in one PUCCH resource, PUCCH #0-a, and determines that the UCI of PUCCH #1-0 and PUCCH #1-1 is multiplexed / mapped in one PUCCH resource, PUCCH #0-b. At this time, PUCCH #0-a is associated with TRP / UE panel #0, and PUCCH #0-b is associated with TRP / UE panel #1.

[0149] In this case, the UE transmits PUCCH #0-a and PUCCH #0-b simultaneously.

[0150] <<Option 2A-2>> The UE may support simultaneous multi-panel transmission (STxMP) of multiple PUCCHs. The UE may report its UE capability regarding simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0151] The UE may receive a configuration for simultaneous multi-panel transmission (STxMP) of multiple PUCCHs, which may be signaled to the UE using higher layer signaling (RRC / MAC CE), and the UE may use the configuration to enable simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0152] Multiple PUCCHs may be associated with each TRP / UE panel, and one or more PUCCHs may be associated with one TRP / UE panel.

[0153] A PUCCH resource may overlap in the time domain with multiple PUCCH resources associated with different panels.

[0154] For example, if there is a PUCCH / UCI associated with a certain UE panel / TRP (e.g., a first UE panel / TRP) and another UE panel / TRP (e.g., a second UE panel / TRP) that can be multiplexed with a PUCCH / UCI associated with the other UE panel / TRP, the UE may include the PUCCH / UCI associated with the other UE panel / TRP in a specific set (e.g., set X).

[0155] The UE may multiplex / map the UCI of the PUCCHs associated with a certain UE panel / TRP and the PUCCHs in the specific set in one specific PUCCH resource.

[0156] The specific PUCCH resource may be determined based on a rule defined in advance in a specification.

[0157] For example, the particular PUCCH resource may be determined based on at least one of an index related to the panel / TRP, a UCI type, a priority index, a UCI size, a supported UCI size of the PUCCH resource set / resource, and the number of RBs of the PUCCH resource.

[0158] For example, the specific PUCCH resource may be selected / determined from the PUCCH resources of an index related to any panel / TRP, or the specific PUCCH resource may be selected / determined from the PUCCH resources of an index related to a specific panel / TRP.

[0159] The particular panel / TRP may be, for example, a first (e.g., lower-value index) / second (e.g., higher-value index) panel / TRP, or may be the same panel / TRP as the panel / TRP corresponding to a PUCCH resource with a higher (or lower) priority index, or may be the same panel / TRP as the panel / TRP corresponding to a PUCCH resource including a particular UCI type (e.g., HARQ-ACK).

[0160] Note that the specific PUCCH resource may be a PUCCH resource other than the PUCCH resource before multiplexing (e.g., a PUCCH associated with a certain UE panel / TRP and a PUCCH in the specific set). By configuring in this way, it is possible to appropriately select / determine a PUCCH resource / PUCCH resource set based on the total UCI size after multiplexing / mapping.

[0161] 16 is a diagram showing an example of PUCCH transmission according to Option 2A-2. The example of PUCCH allocation shown in FIG. 16 is the same as that in FIG.

[0162] In the example shown in FIG. 16, if PUCCH #0-0 (UCI of PUCCH #0-0), PUCCH #0-1 (UCI of PUCCH #0-1), and PUCCH #1-0 (UCI of PUCCH #1-0) can be multiplexed / mapped in one PUCCH, the UE multiplexes / maps these UCIs in PUCCH #a-b and transmits them.

[0163] In the example shown in FIG. 16, PUCCH #0-0 (UCI of PUCCH #0-0) and PUCCH #1-1 (UCI of PUCCH #1-1) do not necessarily have to be multiplexed / mapped in one PUCCH.

[0164] According to the second embodiment and its variations, it is possible to appropriately perform multi-panel simultaneous transmission of a plurality of PUCCHs.

[0165] Third Embodiment The third embodiment relates to a method for multiplexing / mapping UCI for multiple PUCCHs.

[0166] This embodiment may be applied to, for example, the second embodiment (and variations of the second embodiment), or may be applied to the first embodiment.

[0167] For example, the operations of steps 1 to 4 above may be extended for the second embodiment (and variations of the second embodiment).

[0168] The UE may determine the multiplexing / mapping of UCI for multiple PUCCHs based on steps 1' to 4' below.

[0169] [Step 1′] If there are multiple PUCCH resources in a certain time domain (eg, slot), the UE may arrange the multiple PUCCH resources in order (may perform ordering for the multiple PUCCH resources).

[0170] For example, a PUCCH resource having an earlier start symbol may be arranged earlier in time than a PUCCH resource having a later start symbol.

[0171] For example, a PUCCH resource with a long duration may be placed earlier in time than a PUCCH resource with a short duration.

[0172] For example, an index related to the panel / TRP corresponding to the PUCCH resource may be used to order the PUCCHs.

[0173] For example, a PUCCH resource with an index related to a lower (or higher) panel / TRP may be positioned earlier in time than a PUCCH resource with an index related to a higher (or lower) panel / TRP.

[0174] Also, for multiple PUCCH resources with the same starting symbol and the same duration, a PUCCH resource with an index relating to a lower (or higher) panel / TRP may be positioned earlier in time than a PUCCH resource with an index relating to a higher (or lower) panel / TRP.

[0175] [Step 2′] Starting from the first PUCCH resource according to the order of step 1′, for PUCCH resource #j, all PUCCH resources that overlap with PUCCH resource #j may be determined.

[0176] [Step 3′] The overlapping PUCCH resources determined in step 2′ may be eliminated (at least one PUCCH resource for eliminating the overlapping may be determined) based on at least one method of the second embodiment and the variations of the second embodiment.

[0177] [Step 4′] For the one PUCCH resource determined in step 3′ and the remaining PUCCH resources for which overlap has not been resolved, the process may be restarted from step 1′.

[0178] Unlike steps 1 to 4 above, there may be multiple PUCCH resources transmitted after step 3′ due to simultaneous multi-panel transmission (STxMP) of multiple PUCCHs.

[0179] These above procedures may be performed until there are no overlapping PUCCH resources, or until there are overlapping PUCCH resources associated with multiple panels / TRPs and the UE is able to transmit on the overlapping PUCCH resources simultaneously.

[0180] According to the third embodiment described above, UCI of a plurality of PUCCHs can be appropriately multiplexed / mapped and simultaneously transmitted.

[0181] Fourth Embodiment The fourth embodiment relates to multiple CSI reports.

[0182] The UE may determine / transmit a PUCCH resource containing multiple CSIs (which may be referred to as a multi-CSI PUCCH) for each UE panel / TRP.

[0183] The UE may be provided with PUCCH resource configuration for multiple CSIs.

[0184] For this setting, for example, a parameter indicating a list of PUCCH resources to be used for transmitting multiple CSIs may be used.

[0185] The setting may be, for example, a common setting for a plurality of UE panels / TRPs, or may be a separate setting for each UE panel / TRP.

[0186] The UE may report whether it supports PUCCH transmission for multiple CSIs using multiple UE panels / TRPs.

[0187] The setting may be, for example, a common report for multiple UE panels / TRPs, or a separate report for each UE panel / TRP.

[0188] Whether transmission is performed on PUCCH resources for multiple CSIs may be determined for each UE panel / TRP.

[0189] Multi-CSI PUCCH transmission may be applied to the above first to third embodiments.

[0190] For example, similar to the first embodiment described above, a UE may simultaneously transmit a multi-CSI PUCCH associated with a certain UE panel / TRP (e.g., a first UE panel / TRP) and a multi-CSI PUCCH associated with another UE panel / TRP (e.g., a second UE panel / TRP).

[0191] For example, similar to the first embodiment, there may be cases where multiple CSIs are not multiplexed / mapped in a multi-CSI PUCCH resource.

[0192] 17 is a diagram illustrating an example of transmission of multiple CSIs according to the fourth embodiment. In the example illustrated in FIG. 17, CSI #0-1 and CSI #0-2 are associated with TRP / UE panel #0, and CSI #1-1 and CSI #1-2 are associated with TRP / UE panel #1. CSI #0-1, CSI #0-2, CSI #1-1, and CSI #1-2 (respective PUCCHs) overlap in the time domain.

[0193] In the example shown in Figure 17, the UE transmits CSI #0-1 and CSI #0-2 on multi-CSI PUCCH resource #0 in TRP / UE panel #0, and transmits CSI #1-1 and CSI #1-2 on multi-CSI PUCCH resource #1 in TRP / UE panel #1. Multi-CSI PUCCH resource #0 and multi-CSI PUCCH resource #1 may or may not be transmitted simultaneously.

[0194] According to the fourth embodiment described above, even when simultaneous multi-panel transmission is performed, multiple CSI transmission can be performed appropriately.

[0195] <Supplementary Information> [Notification of Information to UE] In the above-described embodiments, any information may be notified to the UE (from a network (NW) (e.g., a base station (BS))) (in other words, reception of any information from the BS by the UE) using physical layer signaling (e.g., DCI), higher layer signaling (e.g., RRC signaling, MAC CE), a specific signal / channel (e.g., PDCCH, PDSCH, reference signal), or a combination thereof.

[0196] When the notification is performed by a MAC CE, the MAC CE may be identified by including a new Logical Channel ID (LCID) in the MAC subheader, which is not defined in existing standards.

[0197] When the notification is made by DCI, the notification may be made by a specific field of the DCI, a Radio Network Temporary Identifier (RNTI) used to scramble Cyclic Redundancy Check (CRC) bits assigned to the DCI, the format of the DCI, etc.

[0198] Furthermore, notification of any information to the UE in the above embodiments may be performed periodically, semi-persistently, or aperiodically.

[0199] [Notification of Information from UE] In the above-described embodiments, notification of any information from the UE (to the NW) (in other words, transmission / report of any information from the UE to the BS) may be performed using physical layer signaling (e.g., UCI), higher layer signaling (e.g., RRC signaling, MAC CE), a specific signal / channel (e.g., PUCCH, PUSCH, PRACH, reference signal), or a combination thereof.

[0200] When the notification is performed by a MAC CE, the MAC CE may be identified by including a new LCID, which is not defined in existing standards, in the MAC subheader.

[0201] If the notification is made by UCI, the notification may be transmitted using PUCCH or PUSCH.

[0202] Furthermore, any information in the above-described embodiments may be notified from the UE periodically, semi-persistently, or aperiodically.

[0203] [Application of Each Embodiment] At least one of the above-described embodiments may be applied when a specific condition is met. The specific condition may be defined in a standard or may be notified to a UE / BS using higher layer signaling / physical layer signaling.

[0204] At least one of the above-described embodiments may be applied only to UEs that have reported or support a particular UE capability.

[0205] The specific UE capability may indicate at least one of the following: Supporting specific processing / operation / control / information (e.g., STxMP) for at least one of the above embodiments; Supporting STxMP PUCCH+PUCCH; Supporting new UE operations regarding PUCCH-PUCCH overlap disassembly; Supporting multiplexing / mapping of UCI for multiple PUCCHs associated with different panels / TRPs.

[0206] Furthermore, the above-mentioned specific UE capability may be a capability that is applied across all frequencies (commonly regardless of frequency), or may be a capability for each frequency (e.g., one or a combination of a cell, a band, a band combination, a BWP, a component carrier, etc.), or may be a capability for each frequency range (e.g., Frequency Range 1 (FR1), FR2, FR3, FR4, FR5, FR2-1, FR2-2), or may be a capability for each subcarrier spacing (SubCarrier Spacing (SCS)), or may be a capability for each Feature Set (FS) or Feature Set Per Component-carrier (FSPC).

[0207] Furthermore, the specific UE capability may be a capability that is applied to all duplexing methods (commonly regardless of the duplexing method), or may be a capability for each duplexing method (e.g., Time Division Duplex (TDD) or Frequency Division Duplex (FDD)).

[0208] At least one of the above-described embodiments may be applied when the UE configures / activates / triggers specific information related to the above-described embodiment (or performs the operations of the above-described embodiment) through higher layer signaling / physical layer signaling. For example, the specific information may be information indicating that dynamic switching between STxMP modes / transmission modes is enabled, any RRC parameter for a specific release (e.g., Rel. 18 / 19), etc.

[0209] If the UE does not support at least one of the specific UE capabilities or is not configured with the specific information, the UE may apply, for example, Rel. 15 / 16 behavior.

[0210] (Supplementary Notes) The following inventions are supplemented with respect to one embodiment of the present disclosure. [Supplementary Note 1-1] A terminal comprising: a control unit that, when multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, determines, for each transmission / reception point or panel, specific PUCCH resources to which multiple uplink control information (UCI) of the multiple PUCCHs are mapped; and a transmission unit that transmits the multiple UCIs in the same time domain using the specific PUCCH resources determined for each transmission / reception point or panel, for the different transmission / reception points or using the different panels. [Supplementary Note 1-2] The terminal described in Supplementary Note 1-1, wherein the control unit determines the specific PUCCH resource from resources of PUCCHs other than the multiple PUCCHs. [Supplementary Note 1-3] The terminal described in Supplementary Note 1-1 or Supplementary Note 1-2, wherein the control unit determines the specific PUCCH resource based on ordering based on the duration and start symbol of each of the multiple PUCCHs. [Supplementary Note 1-4] The terminal according to any one of Supplementary Note 1-1 to Supplementary Note 1-3, wherein the control unit controls mapping of a plurality of pieces of channel state information in the specific PUCCH resource determined for each of the transmission / reception points or each of the panels.

[0211] [Supplementary Note 2-1] A terminal comprising: a control unit that determines a specific PUCCH resource to which uplink control information (UCI) of the multiple PUCCHs is mapped, based on at least one of: existence of a PUCCH associated with a second transmission / reception point or panel that cannot be multiplexed with a PUCCH associated with a first transmission / reception point or panel, and whether simultaneous transmission of the PUCCH associated with the first transmission / reception point or panel and the PUCCH associated with the second transmission / reception point or panel is possible, when multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain; and a transmission unit that transmits the UCI using the specific PUCCH resource. [Supplementary Note 2-2] The terminal according to Supplementary Note 2-1, wherein, when a PUCCH associated with the second transmission / reception point or panel that cannot be multiplexed with a PUCCH associated with the first transmission / reception point or panel exists, and the simultaneous transmission is possible, the control unit controls to simultaneously transmit the PUCCHs for the different transmission / reception points or the different panels. [Supplementary Note 2-3] The terminal according to Supplementary Note 2-1 or Supplementary Note 2-2, wherein, when a PUCCH associated with the second transmission / reception point or panel can be multiplexed with a PUCCH associated with the first transmission / reception point or panel, the controller maps a UCI of the PUCCH associated with the first transmission / reception point or panel and a UCI of the PUCCH associated with the second transmission / reception point or panel to the specific PUCCH resource. [Supplementary Note 2-4] The terminal according to any of Supplementary Note 2-1 to Supplementary Note 2-3, wherein the controller determines the specific PUCCH resource based on an ordering based on an index related to the transmission / reception point or an index related to the panel.

[0212] (Wireless Communication System) The configuration of a wireless communication system according to an embodiment of the present disclosure will be described below. In this wireless communication system, communication is performed using any one of the wireless communication methods according to the above embodiments of the present disclosure or a combination thereof.

[0213] 18 is a diagram illustrating an example of a schematic configuration of a wireless communication system according to an embodiment. The wireless communication system 1 (which may be simply referred to as system 1) may be a system that realizes communication using Long Term Evolution (LTE) or 5th generation mobile communication system New Radio (5G NR) specified by the Third Generation Partnership Project (3GPP).

[0214] The wireless communication system 1 may also support dual connectivity between multiple Radio Access Technologies (RATs) (Multi-RAT Dual Connectivity (MR-DC)). MR-DC may include dual connectivity between LTE (Evolved Universal Terrestrial Radio Access (E-UTRA)) and NR (E-UTRA-NR Dual Connectivity (EN-DC)), dual connectivity between NR and LTE (NR-E-UTRA Dual Connectivity (NE-DC)), etc.

[0215] In EN-DC, the LTE (E-UTRA) base station (eNB) is the master node (Master Node (MN)), and the NR base station (gNB) is the secondary node (Secondary Node (SN)). In NE-DC, the NR base station (gNB) is the MN, and the LTE (E-UTRA) base station (eNB) is the SN.

[0216] The wireless communication system 1 may support dual connectivity between multiple base stations within the same RAT (for example, dual connectivity in which both the MN and SN are NR base stations (gNBs) (NR-NR Dual Connectivity (NN-DC))).

[0217] The wireless communication system 1 may include a base station 11 that forms a macrocell C1 with a relatively wide coverage, and base stations 12 (12a-12c) that are located within the macrocell C1 and form small cells C2 that are smaller than the macrocell C1. A user terminal 20 may be located within at least one of the cells. The locations and numbers of the cells and user terminals 20 are not limited to the embodiment shown in the figure. Hereinafter, when there is no need to distinguish between the base stations 11 and 12, they will be collectively referred to as base station 10.

[0218] The user terminal 20 may be connected to at least one of the multiple base stations 10. The user terminal 20 may utilize at least one of carrier aggregation (CA) using multiple component carriers (CCs) and dual connectivity (DC).

[0219] Each CC may be included in at least one of a first frequency band (Frequency Range 1 (FR1)) and a second frequency band (Frequency Range 2 (FR2)). The macro cell C1 may be included in FR1, and the small cell C2 may be included in FR2. For example, FR1 may be a frequency band of 6 GHz or less (sub-6 GHz), and FR2 may be a frequency band higher than 24 GHz (above-24 GHz). Note that the frequency bands and definitions of FR1 and FR2 are not limited to these, and for example, FR1 may correspond to a higher frequency band than FR2.

[0220] Furthermore, the user terminal 20 may perform communication using at least one of time division duplex (TDD) and frequency division duplex (FDD) in each CC.

[0221] The multiple base stations 10 may be connected by wire (e.g., optical fiber compliant with the Common Public Radio Interface (CPRI), an X2 interface, etc.) or wirelessly (e.g., NR communication). For example, when NR communication is used as a backhaul between the base stations 11 and 12, the base station 11 corresponding to the upper station may be called an Integrated Access Backhaul (IAB) donor, and the base station 12 corresponding to the relay station (relay) may be called an IAB node.

[0222] The base station 10 may be connected to the core network 30 directly or via another base station 10. The core network 30 may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), a Next Generation Core (NGC), and the like.

[0223] The core network 30 may include network functions (Network Functions (NF)) such as a User Plane Function (UPF), an Access and Mobility management Function (AMF), a Session Management Function (SMF), a Unified Data Management (UDM), an Application Function (AF), a Data Network (DN), a Location Management Function (LMF), and Operation, Administration and Maintenance (Management) (OAM). A single network node may provide multiple functions. Communication with an external network (e.g., the Internet) may also be performed via the DN.

[0224] The user terminal 20 may be a terminal that supports at least one of communication methods such as LTE, LTE-A, and 5G.

[0225] An Orthogonal Frequency Division Multiplexing (OFDM)-based radio access scheme may be used in the wireless communication system 1. For example, Cyclic Prefix OFDM (CP-OFDM), Discrete Fourier Transform Spread OFDM (DFT-s-OFDM), Orthogonal Frequency Division Multiple Access (OFDMA), Single Carrier Frequency Division Multiple Access (SC-FDMA), or the like may be used in at least one of the downlink (DL) and uplink (UL).

[0226] The radio access scheme may also be called a waveform. Note that in the wireless communication system 1, other radio access schemes (e.g., other single-carrier transmission schemes, other multi-carrier transmission schemes) may be used as the UL and DL radio access schemes.

[0227] In the wireless communication system 1, a downlink shared channel (Physical Downlink Shared Channel (PDSCH)) shared by each user terminal 20, a broadcast channel (Physical Broadcast Channel (PBCH)), a downlink control channel (Physical Downlink Control Channel (PDCCH)), etc. may be used as the downlink channel.

[0228] Furthermore, in the wireless communication system 1, an uplink shared channel (Physical Uplink Shared Channel (PUSCH)) shared by each user terminal 20, an uplink control channel (Physical Uplink Control Channel (PUCCH)), a random access channel (Physical Random Access Channel (PRACH)), or the like may be used as an uplink channel.

[0229] The PDSCH transmits user data, higher layer control information, a System Information Block (SIB), etc. The PUSCH may transmit user data, higher layer control information, etc. Furthermore, the PBCH may transmit a Master Information Block (MIB).

[0230] Lower layer control information may be transmitted by the PDCCH. The lower layer control information may include, for example, Downlink Control Information (DCI) including scheduling information for at least one of the PDSCH and the PUSCH.

[0231] Note that the DCI for scheduling the PDSCH may be referred to as a DL assignment, a DL DCI, etc., and the DCI for scheduling the PUSCH may be referred to as a UL grant, a UL DCI, etc. Note that the PDSCH may be replaced with DL data, and the PUSCH may be replaced with UL data.

[0232] A control resource set (CORESET) and a search space may be used to detect the PDCCH. The CORESET corresponds to resources for searching for DCI. The search space corresponds to a search region and a search method for PDCCH candidates. One CORESET may be associated with one or more search spaces. The UE may monitor the CORESET associated with a certain search space based on the search space configuration.

[0233] One search space may correspond to PDCCH candidates corresponding to one or more aggregation levels. One or more search spaces may be referred to as a search space set. Note that the terms "search space," "search space set," "search space configuration," "search space set configuration," "CORESET," "CORESET configuration," and the like in the present disclosure may be read interchangeably.

[0234] The PUCCH may transmit uplink control information (UCI) including at least one of channel state information (CSI), delivery confirmation information (which may be called, for example, Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK), ACK / NACK, etc.), and scheduling request (SR). The PRACH may transmit a random access preamble for establishing a connection with a cell.

[0235] In the present disclosure, downlink, uplink, etc. may be expressed without adding "link." Also, various channels may be expressed without adding "Physical" to the beginning.

[0236] In the wireless communication system 1, a synchronization signal (SS), a downlink reference signal (DL-RS), etc. may be transmitted. In the wireless communication system 1, as the DL-RS, a cell-specific reference signal (CRS), a channel state information reference signal (CSI-RS), a demodulation reference signal (DMRS), a positioning reference signal (PRS), a phase tracking reference signal (PTRS), etc. may be transmitted.

[0237] The synchronization signal may be, for example, at least one of a Primary Synchronization Signal (PSS) and a Secondary Synchronization Signal (SSS). A signal block including an SS (PSS, SSS) and a PBCH (and a DMRS for the PBCH) may be referred to as an SS / PBCH block, an SS Block (SSB), or the like. Note that the SS, SSB, and the like may also be referred to as a reference signal.

[0238] Furthermore, in the wireless communication system 1, a sounding reference signal (SRS), a demodulation reference signal (DMRS), or the like may be transmitted as an uplink reference signal (UL-RS). Note that the DMRS may also be called a user equipment-specific reference signal (UE-specific reference signal).

[0239] 19 is a diagram showing an example of the configuration of a base station according to an embodiment. The base station 10 includes a control unit 110, a transceiver unit 120, a transceiver antenna 130, and a transmission line interface 140. Note that the base station may include one or more of each of the control unit 110, the transceiver unit 120, the transceiver antenna 130, and the transmission line interface 140.

[0240] In this example, the functional blocks of the characteristic parts of the present embodiment are mainly shown, and it may be assumed that the base station 10 also has other functional blocks necessary for wireless communication. Some of the processing of each unit described below may be omitted.

[0241] The control unit 110 performs overall control of the base station 10. The control unit 110 can be configured from a controller, a control circuit, and the like that are explained based on common understanding in the technical field to which the present disclosure relates.

[0242] The control unit 110 may control signal generation, scheduling (e.g., resource allocation, mapping), etc. The control unit 110 may control transmission and reception using the transceiver unit 120, the transceiver antenna 130, and the transmission path interface 140, measurement, etc. The control unit 110 may generate data, control information, sequences, etc. to be transmitted as signals, and transfer them to the transceiver unit 120. The control unit 110 may perform call processing (setting up, releasing, etc.) of communication channels, status management of the base station 10, management of radio resources, etc.

[0243] The transceiver unit 120 may include a baseband unit 121, a radio frequency (RF) unit 122, and a measurement unit 123. The baseband unit 121 may include a transmission processing unit 1211 and a reception processing unit 1212. The transceiver unit 120 may be configured with a transmitter / receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measurement circuit, a transceiver circuit, etc., which are described based on common understanding in the technical field related to the present disclosure.

[0244] The transmitting / receiving unit 120 may be configured as an integrated transmitting / receiving unit, or may be configured from a transmitting unit and a receiving unit. The transmitting unit may be configured from a transmission processing unit 1211 and an RF unit 122. The receiving unit may be configured from a reception processing unit 1212, the RF unit 122, and a measurement unit 123.

[0245] The transmitting and receiving antenna 130 can be configured from an antenna described based on common understanding in the technical field to which the present disclosure relates, such as an array antenna.

[0246] The transceiver 120 may transmit the above-mentioned downlink channel, synchronization signal, downlink reference signal, etc. The transceiver 120 may receive the above-mentioned uplink channel, uplink reference signal, etc.

[0247] The transceiver 120 may form at least one of the transmit beam and the receive beam using digital beamforming (e.g., precoding), analog beamforming (e.g., phase rotation), or the like.

[0248] The transmitter / receiver unit 120 (transmission processing unit 1211) may perform Packet Data Convergence Protocol (PDCP) layer processing, Radio Link Control (RLC) layer processing (e.g., RLC retransmission control), Medium Access Control (MAC) layer processing (e.g., HARQ retransmission control), etc. on data, control information, etc. obtained from the control unit 110, and generate a bit string to be transmitted.

[0249] The transmitter / receiver unit 120 (transmission processing unit 1211) may perform transmission processing such as channel coding (which may include error correction coding), modulation, mapping, filtering, Discrete Fourier Transform (DFT) processing (if necessary), Inverse Fast Fourier Transform (IFFT) processing, precoding, and digital-to-analog conversion on the bit string to be transmitted, and output a baseband signal.

[0250] The transceiver unit 120 (RF unit 122) may perform modulation, filtering, amplification, etc. on the baseband signal to a radio frequency band, and transmit the radio frequency band signal via the transceiver antenna 130.

[0251] On the other hand, the transceiver unit 120 (RF unit 122) may perform amplification, filtering, demodulation to a baseband signal, etc. on the radio frequency band signal received by the transceiver antenna 130.

[0252] The transceiver 120 (reception processing unit 1212) may apply reception processing such as analog-to-digital conversion, Fast Fourier Transform (FFT) processing, Inverse Discrete Fourier Transform (IDFT) processing (if necessary), filtering, demapping, demodulation, decoding (which may include error correction decoding), MAC layer processing, RLC layer processing, and PDCP layer processing to the acquired baseband signal, thereby acquiring user data, etc.

[0253] The transceiver 120 (measurement unit 123) may perform measurements on the received signal. For example, the measurement unit 123 may perform Radio Resource Management (RRM) measurements, Channel State Information (CSI) measurements, etc. based on the received signal. The measurement unit 123 may measure received power (e.g., Reference Signal Received Power (RSRP)), received quality (e.g., Reference Signal Received Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR), Signal to Noise Ratio (SNR)), signal strength (e.g., Received Signal Strength Indicator (RSSI)), propagation path information (e.g., CSI), etc. The measurement results may be output to the control unit 110.

[0254] The transmission path interface 140 may transmit and receive signals (backhaul signaling) between devices included in the core network 30 (e.g., network nodes that provide NF), other base stations 10, etc., and may acquire and transmit user data (user plane data), control plane data, etc. for the user terminal 20.

[0255] The transmitting section and receiving section of the base station 10 in the present disclosure may be configured by at least one of the transmitting / receiving section 120, the transmitting / receiving antenna 130, and the transmission path interface 140.

[0256] When multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, the control unit 110 may determine specific PUCCH resources to which multiple uplink control information (UCI) of the multiple PUCCHs are mapped, which are determined for each transmission / reception point or each panel. The transceiver unit 120 may receive the multiple UCIs in the same time domain, which are transmitted for the different transmission / reception points or using the different panels, using the specific PUCCH resources determined for each transmission / reception point or each panel (first embodiment).

[0257] When multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, the control unit 110 may determine a specific PUCCH resource to which uplink control information (UCI) of the multiple PUCCHs is mapped based on at least one of: existence of a PUCCH associated with a second transmission / reception point or panel that cannot be multiplexed with a PUCCH associated with a first transmission / reception point or panel; and whether simultaneous transmission of the PUCCH associated with the first transmission / reception point or panel and the PUCCH associated with the second transmission / reception point or panel is possible. The transceiver unit 120 may receive the UCI transmitted using the specific PUCCH resource (second embodiment).

[0258] (User Terminal) Fig. 20 is a diagram showing an example of the configuration of a user terminal according to one embodiment. The user terminal 20 includes a control unit 210, a transceiver unit 220, and a transceiver antenna 230. Note that the user terminal 20 may include one or more of each of the control unit 210, the transceiver unit 220, and the transceiver antenna 230.

[0259] In this example, the functional blocks of the characteristic parts of the present embodiment are mainly shown, and it may be assumed that the user terminal 20 also has other functional blocks necessary for wireless communication. Some of the processing of each unit described below may be omitted.

[0260] The control unit 210 performs overall control of the user terminal 20. The control unit 210 can be configured from a controller, a control circuit, etc., which are described based on common understanding in the technical field to which the present disclosure relates.

[0261] The control unit 210 may control signal generation, mapping, etc. The control unit 210 may control transmission and reception, measurement, etc. using the transceiver unit 220 and the transceiver antenna 230. The control unit 210 may generate data, control information, sequences, etc. to be transmitted as signals and transfer them to the transceiver unit 220.

[0262] The transceiver unit 220 may include a baseband unit 221, an RF unit 222, and a measurement unit 223. The baseband unit 221 may include a transmission processing unit 2211 and a reception processing unit 2212. The transceiver unit 220 may be configured with a transmitter / receiver, an RF circuit, a baseband circuit, a filter, a phase shifter, a measurement circuit, a transceiver circuit, etc., which are described based on common understanding in the technical field related to the present disclosure.

[0263] The transmitting / receiving unit 220 may be configured as an integrated transmitting / receiving unit, or may be composed of a transmitting unit and a receiving unit. The transmitting unit may be composed of a transmission processing unit 2211 and an RF unit 222. The receiving unit may be composed of a reception processing unit 2212, an RF unit 222, and a measurement unit 223.

[0264] The transmitting / receiving antenna 230 can be configured from an antenna described based on common understanding in the technical field to which the present disclosure relates, such as an array antenna.

[0265] The transceiver 220 may receive the above-mentioned downlink channel, synchronization signal, downlink reference signal, etc. The transceiver 220 may transmit the above-mentioned uplink channel, uplink reference signal, etc.

[0266] The transceiver unit 220 may form at least one of the transmit beam and the receive beam using digital beamforming (e.g., precoding), analog beamforming (e.g., phase rotation), or the like.

[0267] The transceiver unit 220 (transmission processing unit 2211) may perform PDCP layer processing, RLC layer processing (e.g., RLC retransmission control), MAC layer processing (e.g., HARQ retransmission control), etc. on data, control information, etc. obtained from the control unit 210, and generate a bit string to be transmitted.

[0268] The transmitter / receiver unit 220 (transmission processing unit 2211) may perform transmission processing such as channel coding (which may include error correction coding), modulation, mapping, filtering, DFT processing (if necessary), IFFT processing, precoding, and digital-to-analog conversion on the bit string to be transmitted, and output a baseband signal.

[0269] Whether or not to apply DFT processing may be based on the setting of transform precoding. When transform precoding is enabled for a certain channel (e.g., PUSCH), the transceiver unit 220 (transmission processing unit 2211) may perform DFT processing as the transmission processing to transmit the channel using a DFT-s-OFDM waveform, and if not, it may not be necessary to perform DFT processing as the transmission processing.

[0270] The transceiver unit 220 (RF unit 222) may perform modulation, filtering, amplification, etc. on the baseband signal to a radio frequency band, and transmit the radio frequency band signal via the transceiver antenna 230.

[0271] On the other hand, the transceiver unit 220 (RF unit 222) may perform amplification, filtering, demodulation to a baseband signal, etc. on the radio frequency band signal received by the transceiver antenna 230.

[0272] The transceiver unit 220 (reception processing unit 2212) may apply reception processing such as analog-to-digital conversion, FFT processing, IDFT processing (if necessary), filtering, demapping, demodulation, decoding (which may include error correction decoding), MAC layer processing, RLC layer processing, and PDCP layer processing to the acquired baseband signal, and acquire user data, etc.

[0273] The transceiver 220 (measurement unit 223) may perform measurements on the received signal. For example, the measurement unit 223 may perform RRM measurements, CSI measurements, etc. based on the received signal. The measurement unit 223 may measure received power (e.g., RSRP), received quality (e.g., RSRQ, SINR, SNR), signal strength (e.g., RSSI), propagation path information (e.g., CSI), etc. The measurement results may be output to the control unit 210.

[0274] The measurement unit 223 may derive channel measurements for CSI calculation based on the channel measurement resources. The channel measurement resources may be, for example, non-zero power (NZP) CSI-RS resources. The measurement unit 223 may also derive interference measurements for CSI calculation based on the interference measurement resources. The interference measurement resources may be at least one of an NZP CSI-RS resource for interference measurement, a CSI-Interference Measurement (IM) resource, etc. Note that CSI-IM may be referred to as CSI-Interference Management (IM) or may be interchangeably read as Zero Power (ZP) CSI-RS. Note that in the present disclosure, CSI-RS, NZP CSI-RS, ZP CSI-RS, CSI-IM, CSI-SSB, etc. may be interchangeably read as interchangeable.

[0275] Note that the transmitting unit and receiving unit of the user terminal 20 in the present disclosure may be configured by at least one of the transmitting / receiving unit 220 and the transmitting / receiving antenna 230.

[0276] When multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, the control unit 210 may determine, for each transmission / reception point or panel, specific PUCCH resources to which multiple uplink control information (UCI) of the multiple PUCCHs is mapped. The transceiver unit 220 may transmit the multiple UCIs in the same time domain using the specific PUCCH resources determined for each transmission / reception point or panel for the different transmission / reception points or using the different panels (first embodiment).

[0277] The control unit 210 may determine the specific PUCCH resource from among the PUCCH resources other than the plurality of PUCCHs (first embodiment).

[0278] The control unit 210 may determine the specific PUCCH resource based on an ordering based on the duration and start symbol of each of the plurality of PUCCHs (first embodiment).

[0279] The control unit 210 may control mapping of a plurality of pieces of channel state information in the specific PUCCH resource determined for each of the transmission / reception points or each of the panels (fourth embodiment).

[0280] When multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, the control unit 210 may determine a specific PUCCH resource to which uplink control information (UCI) of the multiple PUCCHs is mapped based on at least one of: existence of a PUCCH associated with a second transmission / reception point or panel that cannot be multiplexed with a PUCCH associated with a first transmission / reception point or panel; and whether simultaneous transmission of the PUCCH associated with the first transmission / reception point or panel and the PUCCH associated with the second transmission / reception point or panel is possible. The transceiver unit 220 may transmit the UCI using the specific PUCCH resource (second embodiment).

[0281] If there is a PUCCH associated with the second transmission / reception point or panel that cannot be multiplexed with a PUCCH associated with the first transmission / reception point or panel, and if the simultaneous transmission is possible, the control unit 210 may control the PUCCHs for the different transmission / reception points or different panels to be transmitted simultaneously (second embodiment).

[0282] When the PUCCH associated with the second transmission / reception point or panel can be multiplexed with the PUCCH associated with the first transmission / reception point or panel, the control unit 210 may map the UCI of the PUCCH associated with the first transmission / reception point or panel and the UCI of the PUCCH associated with the second transmission / reception point or panel to the specific PUCCH resource (second embodiment).

[0283] The control unit 210 may determine the specific PUCCH resource based on an ordering based on an index related to the transmitting / receiving point or an index related to the panel (third embodiment).

[0284] (Hardware Configuration) Note that the block diagrams used to explain the above embodiments show functional blocks. These functional blocks (components) are realized by any combination of at least one of hardware and software. Furthermore, the method for realizing each functional block is not particularly limited. That is, each functional block may be realized using a single device that is physically or logically coupled, or may be realized using two or more physically or logically separated devices that are directly or indirectly connected (for example, using wires, wirelessly, etc.) and these multiple devices. The functional block may be realized by combining software with the single device or the multiple devices.

[0285] Here, the functions include, but are not limited to, judgment, determination, judgment, calculation, computation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, resolution, selection, election, establishment, comparison, assumption, expectation, deeming, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, and assignment. For example, a functional block (component) that performs transmission may be called a transmitting unit, transmitter, etc. As described above, the implementation method of each is not particularly limited.

[0286] For example, a base station, a user terminal, etc. according to an embodiment of the present disclosure may function as a computer that performs processing of the wireless communication method of the present disclosure. Fig. 21 is a diagram illustrating an example of the hardware configuration of a base station and a user terminal according to an embodiment. The above-described base station 10 and user terminal 20 may be physically configured as a computer device including a processor 1001, a memory 1002, a storage 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, etc.

[0287] In the present disclosure, the terms apparatus, circuit, device, section, unit, etc. may be used interchangeably. The hardware configurations of the base station 10 and the user terminal 20 may be configured to include one or more of the devices shown in the drawings, or may be configured to exclude some of the devices.

[0288] For example, although only one processor 1001 is shown, there may be multiple processors. Furthermore, processing may be performed by one processor, or processing may be performed by two or more processors simultaneously, serially, or in other ways. Furthermore, processor 1001 may be implemented by one or more chips.

[0289] Each function in the base station 10 and the user terminal 20 is realized, for example, by loading specified software (programs) onto hardware such as a processor 1001 and a memory 1002, causing the processor 1001 to perform calculations, control communication via the communication device 1004, and control at least one of reading and writing data in the memory 1002 and the storage 1003.

[0290] The processor 1001, for example, runs an operating system to control the entire computer. The processor 1001 may be configured as a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic unit, a register, etc. For example, at least a part of the above-mentioned control unit 110 (210), transceiver unit 120 (220), etc. may be realized by the processor 1001.

[0291] The processor 1001 also reads programs (program codes), software modules, data, etc. from at least one of the storage 1003 and the communication device 1004 into the memory 1002 and executes various processes in accordance with these. The programs used are those that cause a computer to execute at least some of the operations described in the above-described embodiments. For example, the control unit 110 (210) may be implemented by a control program stored in the memory 1002 and running on the processor 1001, and the other functional blocks may be implemented in a similar manner.

[0292] The memory 1002 is a computer-readable recording medium and may be configured by at least one of, for example, Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically EEPROM (EEPROM), Random Access Memory (RAM), or other suitable storage medium. The memory 1002 may also be referred to as a register, cache, main memory, etc. The memory 1002 may store executable programs (program codes), software modules, etc. for implementing a wireless communication method according to an embodiment of the present disclosure.

[0293] Storage 1003 is a computer-readable recording medium and may be composed of at least one of, for example, a flexible disk, a floppy disk, a magneto-optical disk (e.g., a compact disc (e.g., a Compact Disc ROM (CD-ROM)), a digital versatile disc, a Blu-ray disc), a removable disk, a hard disk drive, a smart card, a flash memory device (e.g., a card, a stick, a key drive), a magnetic stripe, a database, a server, or other suitable storage medium. Storage 1003 may also be referred to as an auxiliary storage device.

[0294] The communication device 1004 is hardware (transmission / reception device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as, for example, a network device, a network controller, a network card, or a communication module. The communication device 1004 may be configured to include a high-frequency switch, a duplexer, a filter, a frequency synthesizer, etc. to realize at least one of frequency division duplex (FDD) and time division duplex (TDD). For example, the above-mentioned transmission / reception unit 120 (220), transmission / reception antenna 130 (230), etc. may be realized by the communication device 1004. The transmission / reception unit 120 (220) may be implemented as a transmission unit 120a (220a) and a reception unit 120b (220b) that are physically or logically separated.

[0295] The input device 1005 is an input device (e.g., a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that accepts input from the outside. The output device 1006 is an output device (e.g., a display, a speaker, a light emitting diode (LED) lamp, etc.) that outputs to the outside. Note that the input device 1005 and the output device 1006 may be integrated into one device (e.g., a touch panel).

[0296] Furthermore, each device, such as the processor 1001 and the memory 1002, is connected by a bus 1007 for communicating information. The bus 1007 may be configured using a single bus, or may be configured using different buses between each device.

[0297] Furthermore, the base station 10 and the user terminal 20 may be configured to include hardware such as a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), or a field programmable gate array (FPGA), and some or all of the functional blocks may be realized using this hardware. For example, the processor 1001 may be implemented using at least one of these pieces of hardware.

[0298] (Modifications) Note that terms described in the present disclosure and terms necessary for understanding the present disclosure may be replaced with terms having the same or similar meanings. For example, a channel, a symbol, and a signal (signal or signaling) may be interchangeable. A signal may also be a message. A reference signal may be abbreviated as RS, and may also be called a pilot, pilot signal, etc. depending on the applicable standard. A component carrier (CC) may also be called a cell, frequency carrier, carrier frequency, etc.

[0299] A radio frame may be composed of one or more periods (frames) in the time domain. Each of the one or more periods (frames) constituting a radio frame may be called a subframe. Furthermore, a subframe may be composed of one or more slots in the time domain. A subframe may have a fixed time length (e.g., 1 ms) that is independent of numerology.

[0300] Here, the numerology may be a communication parameter applied to at least one of transmission and reception of a signal or channel, and may indicate at least one of, for example, Subcarrier Spacing (SCS), bandwidth, symbol length, cyclic prefix length, Transmission Time Interval (TTI), number of symbols per TTI, radio frame structure, specific filtering performed by a transceiver in the frequency domain, and specific windowing performed by a transceiver in the time domain.

[0301] A slot may be composed of one or more symbols (such as an Orthogonal Frequency Division Multiplexing (OFDM) symbol or a Single Carrier Frequency Division Multiple Access (SC-FDMA) symbol) in the time domain. A slot may also be a time unit based on numerology.

[0302] A slot may include multiple minislots. Each minislot may consist of one or multiple symbols in the time domain. A minislot may also be called a subslot. A minislot may consist of fewer symbols than a slot. A PDSCH (or PUSCH) transmitted in a time unit larger than a minislot may be called PDSCH (PUSCH) mapping type A. A PDSCH (or PUSCH) transmitted using a minislot may be called PDSCH (PUSCH) mapping type B.

[0303] A radio frame, a subframe, a slot, a minislot, and a symbol all represent time units for transmitting signals. The radio frame, the subframe, the slot, the minislot, and the symbol may be referred to by other names corresponding to the radio frame, the subframe, the slot, the minislot, and the symbol. Note that the time units such as a frame, a subframe, a slot, a minislot, and a symbol in the present disclosure may be interchangeable.

[0304] For example, one subframe may be referred to as a TTI, or multiple consecutive subframes may be referred to as a TTI, or one slot or one minislot may be referred to as a TTI. That is, at least one of the subframe and the TTI may be a subframe (1 ms) in existing LTE, a period shorter than 1 ms (for example, 1-13 symbols), or a period longer than 1 ms. Note that the unit representing the TTI may be called a slot, minislot, etc. instead of a subframe.

[0305] Here, TTI refers to, for example, the smallest time unit for scheduling in wireless communication. For example, in an LTE system, a base station performs scheduling to allocate radio resources (such as frequency bandwidth and transmission power that can be used by each user terminal) to each user terminal in TTI units. Note that the definition of TTI is not limited to this.

[0306] The TTI may be a transmission time unit for a channel-encoded data packet (transport block), a code block, a code word, etc., or may be a processing unit for scheduling, link adaptation, etc. When a TTI is given, the time interval (e.g., the number of symbols) to which a transport block, a code block, a code word, etc. is actually mapped may be shorter than the TTI.

[0307] When one slot or one minislot is called a TTI, one or more TTIs (i.e., one or more slots or one or more minislots) may be the minimum time unit for scheduling. Also, the number of slots (minislots) constituting the minimum time unit for scheduling may be controlled.

[0308] A TTI having a time length of 1 ms may be called a regular TTI (TTI in 3GPP Rel. 8-12), normal TTI, long TTI, regular subframe, normal subframe, long subframe, slot, etc. A TTI shorter than a regular TTI may be called a shortened TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, minislot, subslot, slot, etc.

[0309] In addition, a long TTI (e.g., a normal TTI, a subframe, etc.) may be interpreted as a TTI having a time length of more than 1 ms, and a short TTI (e.g., a shortened TTI, etc.) may be interpreted as a TTI having a TTI length shorter than the TTI length of a long TTI and greater than or equal to 1 ms.

[0310] A resource block (RB) is a resource allocation unit in the time domain and the frequency domain, and may include one or more consecutive subcarriers in the frequency domain. The number of subcarriers included in an RB may be the same regardless of numerology, for example, 12. The number of subcarriers included in an RB may be determined based on numerology.

[0311] In addition, an RB may include one or more symbols in the time domain and may have a length of one slot, one minislot, one subframe, or one TTI, each of which may be composed of one or more resource blocks.

[0312] In addition, one or more RBs may be referred to as a physical resource block (PRB), a sub-carrier group (SCG), a resource element group (REG), a PRB pair, an RB pair, etc.

[0313] Furthermore, a resource block may be composed of one or more resource elements (REs). For example, one RE may be a radio resource region of one subcarrier and one symbol.

[0314] A Bandwidth Part (BWP), which may also be referred to as a partial bandwidth, may represent a subset of contiguous common resource blocks (RBs) for a given numerology on a given carrier, where the common RBs may be identified by their index relative to a Common Reference Point of the carrier. PRBs may be defined in a BWP and numbered within the BWP.

[0315] The BWP may include a UL BWP (BWP for UL) and a DL BWP (BWP for DL). One or more BWPs may be configured for a UE within one carrier.

[0316] At least one of the configured BWPs may be active, and the UE may not expect to transmit or receive a given signal / channel outside the active BWP. Note that the terms "cell," "carrier," etc. in this disclosure may be read as "BWP."

[0317] The above-described structures of radio frames, subframes, slots, minislots, symbols, etc. are merely examples. For example, the number of subframes included in a radio frame, the number of slots per subframe or radio frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, the number of subcarriers included in an RB, the number of symbols in a TTI, the symbol length, the cyclic prefix (CP) length, etc. may be changed in various ways.

[0318] Furthermore, the information, parameters, etc. described in the present disclosure may be expressed using absolute values, may be expressed using relative values ​​from a predetermined value, or may be expressed using other corresponding information. For example, a radio resource may be indicated by a predetermined index.

[0319] The names used for parameters and the like in this disclosure are not intended to be limiting in any way. Furthermore, the mathematical expressions and the like using these parameters may differ from those explicitly disclosed in this disclosure. The various channels (PUCCH, PDCCH, etc.) and information elements may be identified by any suitable names, and therefore the various names assigned to these various channels and information elements are not intended to be limiting in any way.

[0320] The information, signals, etc. described in this disclosure may be represented using any of a variety of different technologies. For example, data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description may be represented by voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any combination thereof.

[0321] Furthermore, information, signals, etc. may be output from a higher layer to a lower layer and / or from a lower layer to a higher layer. Information, signals, etc. may be input / output via multiple network nodes.

[0322] Input and output information, signals, etc. may be stored in a specific location (for example, memory) or may be managed using a management table. Input and output information, signals, etc. may be overwritten, updated, or added. Output information, signals, etc. may be deleted. Input information, signals, etc. may be transmitted to another device.

[0323] The notification of information is not limited to the aspects / embodiments described in the present disclosure, and may be performed using other methods. For example, the notification of information in the present disclosure may be performed by physical layer signaling (e.g., Downlink Control Information (DCI) and Uplink Control Information (UCI)), higher layer signaling (e.g., Radio Resource Control (RRC) signaling, broadcast information (Master Information Block (MIB) and System Information Block (SIB)), Medium Access Control (MAC) signaling), other signals, or a combination thereof.

[0324] Note that the physical layer signaling may be referred to as Layer 1 / Layer 2 (L1 / L2) control information (L1 / L2 control signal), L1 control information (L1 control signal), etc. Furthermore, the RRC signaling may be referred to as an RRC message, such as an RRC Connection Setup message or an RRC Connection Reconfiguration message. Furthermore, the MAC signaling may be notified using, for example, a MAC Control Element (CE).

[0325] Furthermore, notification of specified information (e.g., notification that "it is X") is not limited to explicit notification, but may be made implicitly (e.g., by not notifying the specified information or by notifying other information).

[0326] The determination may be made by a value represented by one bit (0 or 1), by a Boolean value represented by true or false, or by a comparison of numerical values ​​(e.g., comparison with a predetermined value).

[0327] Software shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, threads of execution, procedures, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.

[0328] Software, instructions, information, etc. may also be transmitted or received over a transmission medium. For example, if software is transmitted from a website, server, or other remote source using wired technologies (such as coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL)), and / or wireless technologies (such as infrared, microwave), these wired and / or wireless technologies are included within the definition of transmission media.

[0329] As used in this disclosure, the terms "system" and "network" may be used interchangeably. A "network" may refer to devices included in the network (e.g., base stations).

[0330] In this disclosure, terms such as "precoding," "precoder," "weight (precoding weight)," "Quasi-Co-Location (QCL)," "Transmission Configuration Indication state (TCI state)," "spatial relation," "spatial domain filter," "transmit power," "phase rotation," "antenna port," "layer," "number of layers," "rank," "resource," "resource set," "beam," "beam width," "beam angle," "antenna," "antenna element," "panel," "UE panel," "transmitting entity," "receiving entity," etc. may be used interchangeably.

[0331] In the present disclosure, the term "antenna port" may be interchangeably read as an antenna port for any signal / channel (e.g., a demodulation reference signal (DMRS) port). In the present disclosure, the term "resource" may be interchangeably read as a resource for any signal / channel (e.g., a reference signal resource, an SRS resource, etc.). The resource may include time / frequency / code / space / power resources. Furthermore, the spatial domain transmission filter may include at least one of a spatial domain transmission filter and a spatial domain reception filter.

[0332] The group may include, for example, at least one of a spatial relationship group, a Code Division Multiplexing (CDM) group, a Reference Signal (RS) group, a Control Resource Set (CORESET) group, a PUCCH group, an antenna port group (e.g., a DMRS port group), a layer group, a resource group, a beam group, an antenna group, a panel group, and the like.

[0333] In addition, in the present disclosure, beam, SRS Resource Indicator (SRI), CORESET, CORESET pool, PDSCH, PUSCH, codeword (CW), transport block (TB), RS, etc. may be read as interchangeable terms.

[0334] In addition, in the present disclosure, the terms TCI state, downlink TCI state (DL TCI state), uplink TCI state (UL TCI state), unified TCI state, common TCI state, joint TCI state, etc. may be read interchangeably.

[0335] Furthermore, in the present disclosure, terms such as "QCL," "QCL assumption," "QCL relationship," "QCL type information," "QCL property / properties," "specific QCL type (e.g., Type A, Type D) property," and "specific QCL type (e.g., Type A, Type D)" may be interchangeable.

[0336] In the present disclosure, terms such as index, identifier (ID), indicator, indication, and resource ID may be interchangeable. In the present disclosure, terms such as sequence, list, set, group, cluster, and subset may be interchangeable.

[0337] Furthermore, the spatial relationship information identifier (ID) (TCI state ID) and the spatial relationship information (TCI state) may be interchangeable. The "spatial relationship information (TCI state)" may be interchangeable with "set of spatial relationship information (TCI state)", "one or more pieces of spatial relationship information", etc. The TCI state and the TCI may be interchangeable. The spatial relationship information and the spatial relationship may be interchangeable.

[0338] In the present disclosure, terms such as "base station (BS)," "radio base station," "fixed station," "NodeB," "eNB (eNodeB)," "gNB (gNodeB)," "access point," "transmission point (TP)," "reception point (RP)," "transmission / reception point (TRP)," "panel," "cell," "sector," "cell group," "carrier," "component carrier," etc. may be used interchangeably. Base stations may also be referred to by terms such as macrocell, small cell, femtocell, picocell, etc.

[0339] A base station can accommodate one or more (e.g., three) cells. When a base station accommodates multiple cells, the overall coverage area of ​​the base station can be partitioned into multiple smaller areas, and each smaller area can be provided with communication service by a base station subsystem (e.g., a small indoor base station (Remote Radio Head (RRH))). The terms "cell" or "sector" refer to part or all of the coverage area of ​​a base station and / or base station subsystem that provides communication service within that coverage.

[0340] In the present disclosure, a base station transmitting information to a terminal may be interpreted as the base station instructing the terminal to control / operate based on the information.

[0341] In this disclosure, the terms "Mobile Station (MS)," "user terminal," "User Equipment (UE)," "terminal," etc. may be used interchangeably.

[0342] A mobile station may also be referred to as a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable terminology.

[0343] At least one of the base station and the mobile station may be called a transmitting device, a receiving device, a wireless communication device, etc. Note that at least one of the base station and the mobile station may be a device mounted on a moving object, the moving object itself, etc.

[0344] The mobile body is a movable object that can move at any speed and naturally includes cases where the mobile body is stationary. Examples of the mobile body include, but are not limited to, vehicles, transport vehicles, automobiles, motorcycles, bicycles, connected cars, excavators, bulldozers, wheel loaders, dump trucks, forklifts, trains, buses, handcars, rickshaws, ships and other watercraft, airplanes, rockets, satellites, drones, multicopters, quadcopters, balloons, and objects mounted thereon. The mobile body may also be a mobile body that moves autonomously based on an operation command.

[0345] The mobile object may be a vehicle (e.g., a car, an airplane, etc.), an unmanned mobile object (e.g., a drone, an autonomous vehicle, etc.), or a robot (manned or unmanned). Note that at least one of the base station and the mobile station may also include devices that do not necessarily move during communication operations. For example, at least one of the base station and the mobile station may be an Internet of Things (IoT) device such as a sensor.

[0346] 22 is a diagram showing an example of a vehicle according to an embodiment. The vehicle 40 includes a drive unit 41, a steering unit 42, an accelerator pedal 43, a brake pedal 44, a shift lever 45, left and right front wheels 46, left and right rear wheels 47, axles 48, an electronic control unit 49, various sensors (including a current sensor 50, an RPM sensor 51, an air pressure sensor 52, a vehicle speed sensor 53, an acceleration sensor 54, an accelerator pedal sensor 55, a brake pedal sensor 56, a shift lever sensor 57, and an object detection sensor 58), an information service unit 59, and a communication module 60.

[0347] The drive unit 41 is configured with at least one of an engine, a motor, and a hybrid of an engine and a motor, for example. The steering unit 42 includes at least a steering wheel (also called a handle) and is configured to steer at least one of the front wheels 46 and the rear wheels 47 based on the operation of the steering wheel operated by a user.

[0348] The electronic control unit 49 is composed of a microprocessor 61, memory (ROM, RAM) 62, and a communication port (for example, an input / output (IO) port) 63. Signals are input to the electronic control unit 49 from various sensors 50-58 provided in the vehicle. The electronic control unit 49 may also be called an Electronic Control Unit (ECU).

[0349] The signals from the various sensors 50-58 include a current signal from a current sensor 50 that senses the current of the motor, a rotation speed signal of the front wheels 46 / rear wheels 47 obtained by a rotation speed sensor 51, an air pressure signal of the front wheels 46 / rear wheels 47 obtained by an air pressure sensor 52, a vehicle speed signal obtained by a vehicle speed sensor 53, an acceleration signal obtained by an acceleration sensor 54, a depression amount signal of the accelerator pedal 43 obtained by an accelerator pedal sensor 55, a depression amount signal of the brake pedal 44 obtained by a brake pedal sensor 56, an operation signal of the shift lever 45 obtained by a shift lever sensor 57, and a detection signal for detecting obstacles, vehicles, pedestrians, etc. obtained by an object detection sensor 58.

[0350] The information service unit 59 is composed of various devices, such as a car navigation system, an audio system, speakers, a display, a television, and a radio, for providing (outputting) various information such as driving information, traffic information, and entertainment information, and one or more ECUs for controlling these devices. The information service unit 59 uses information acquired from external devices via the communication module 60 or the like to provide various information / services (e.g., multimedia information / multimedia services) to the occupants of the vehicle 40.

[0351] The information service unit 59 may include input devices (e.g., keyboards, mice, microphones, switches, buttons, sensors, touch panels, etc.) that accept input from the outside, and may also include output devices (e.g., displays, speakers, LED lamps, touch panels, etc.) that output to the outside.

[0352] The driving assistance system unit 64 includes various devices for providing functions to prevent accidents and reduce the driver's driving burden, such as millimeter-wave radar, Light Detection and Ranging (LiDAR), cameras, positioning locators (e.g., Global Navigation Satellite System (GNSS)), map information (e.g., High Definition (HD) maps, Autonomous Vehicle (AV) maps), gyro systems (e.g., Inertial Measurement Units (IMUs), Inertial Navigation Systems (INSs)), artificial intelligence (AI) chips, and AI processors, as well as one or more ECUs that control these devices. The driving assistance system unit 64 also transmits and receives various information via the communication module 60 to realize driving assistance functions or autonomous driving functions.

[0353] The communication module 60 can communicate with the microprocessor 61 and components of the vehicle 40 via the communication port 63. For example, the communication module 60 transmits and receives data (information) via the communication port 63 to and from the drive unit 41, steering unit 42, accelerator pedal 43, brake pedal 44, shift lever 45, left and right front wheels 46, left and right rear wheels 47, axles 48, the microprocessor 61 and memory (ROM, RAM) 62 in the electronic control unit 49, and the various sensors 50-58, which are provided in the vehicle 40.

[0354] The communication module 60 is a communication device that can be controlled by the microprocessor 61 of the electronic control unit 49 and can communicate with an external device. For example, it transmits and receives various information to and from the external device via wireless communication. The communication module 60 may be located either inside or outside the electronic control unit 49. The external device may be, for example, the base station 10 or the user terminal 20 described above. Furthermore, the communication module 60 may be, for example, at least one of the base station 10 and the user terminal 20 described above (or may function as at least one of the base station 10 and the user terminal 20).

[0355] The communication module 60 may transmit at least one of signals from the above-mentioned various sensors 50-58 input to the electronic control unit 49, information obtained based on the signals, and information based on input from the outside (user) obtained via the information service unit 59 to an external device via wireless communication. The electronic control unit 49, the various sensors 50-58, the information service unit 59, etc. may be referred to as input units that accept input. For example, the PUSCH transmitted by the communication module 60 may include information based on the above-mentioned input.

[0356] The communication module 60 receives various information (traffic information, traffic signal information, vehicle distance information, etc.) transmitted from an external device and displays it on an information service unit 59 provided in the vehicle. The information service unit 59 may also be called an output unit that outputs information (for example, outputs information to a device such as a display or speaker based on the PDSCH received by the communication module 60 (or data / information decoded from the PDSCH)).

[0357] Furthermore, the communication module 60 stores various information received from external devices in a memory 62 that can be used by the microprocessor 61. Based on the information stored in the memory 62, the microprocessor 61 may control the drive unit 41, steering unit 42, accelerator pedal 43, brake pedal 44, shift lever 45, left and right front wheels 46, left and right rear wheels 47, axles 48, various sensors 50-58, and the like provided in the vehicle 40.

[0358] Furthermore, a base station in the present disclosure may be read as a user terminal. For example, the aspects / embodiments of the present disclosure may be applied to a configuration in which communication between a base station and a user terminal is replaced with communication between multiple user terminals (which may be called, for example, Device-to-Device (D2D) or Vehicle-to-Everything (V2X)). In this case, the user terminal 20 may be configured to have the functions of the base station 10 described above. Furthermore, terms such as "uplink" and "downlink" may be read as terms corresponding to terminal-to-terminal communication (for example, "sidelink"). For example, terms such as an uplink channel and a downlink channel may be read as a sidelink channel.

[0359] Similarly, the user terminal in the present disclosure may be read as a base station, in which case the base station 10 may be configured to have the functions of the user terminal 20 described above.

[0360] In the present disclosure, an operation described as being performed by a base station may be performed by its upper node in some cases. It is apparent that in a network including one or more network nodes having a base station, various operations performed for communication with a terminal may be performed by the base station, one or more network nodes other than the base station (such as, but not limited to, a Mobility Management Entity (MME), a Serving-Gateway (S-GW), etc.), or a combination thereof.

[0361] Each aspect / embodiment described in this disclosure may be used alone, in combination, or switched depending on the implementation. Furthermore, the order of the processing procedures, sequences, flowcharts, etc. of each aspect / embodiment described in this disclosure may be changed unless inconsistent. For example, the methods described in this disclosure present elements of various steps using an example order, and are not limited to the particular order presented.

[0362] Each aspect / embodiment described in the present disclosure may be a technology other than Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 6th generation mobile communication system (6G), xth generation mobile communication system (xG (x is, for example, an integer or decimal number)), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New radio access (NX), Future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.17 (WiMAX (registered trademark)), IEEE 802.19 (WiMAX (registered trademark)), IEEE 802.20 (WiMAX (registered trademark)), IEEE 802.21 (Wi-Fi (registered trademark)), IEEE 802.22 (WiMAX (registered trademark)), IEEE 802.23 (WiMAX (registered trademark)), IEEE 802.24 (WiMAX (registered trademark)), IEEE 802.25 (WiMAX (registered trademark)), IEEE 802.26 (WiMAX (registered trademark)), IEEE 802.27 (WiMAX (registered trademark)), IEEE 802.28 (WiMAX (registered trademark)), IEEE 802.29 (WiMAX (registered trademark)), IEEE 802.30 (WiMAX (registered trademark)), IEEE 802.31 (Wi-Fi (registered trademark)), IEEE 802.32 (WiMAX (registered trademark)), IEEE 802.33 (WiMAX (registered trademark)), IEEE 802. The present invention may be applied to systems that use IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), or other suitable wireless communication methods, or to next-generation systems that are expanded, modified, created, or defined based on these. Furthermore, the present invention may be applied to a combination of multiple systems (e.g., a combination of LTE or LTE-A and 5G).

[0363] As used in this disclosure, the phrase "based on" does not mean "based only on," unless expressly stated otherwise. In other words, the phrase "based on" means both "based only on" and "based at least on."

[0364] As used in this disclosure, any reference to an element using a designation such as "first," "second," etc. does not generally limit the quantity or order of those elements. These designations may be used in this disclosure as a convenient method of distinguishing between two or more elements. Thus, a reference to a first and a second element does not imply that only two elements may be employed or that the first element must in some way precede the second element.

[0365] The term "determining" as used in this disclosure may encompass a wide variety of actions. For example, "determining" may be considered to be judging, calculating, computing, processing, deriving, investigating, looking up, search, inquiry (e.g., looking up in a table, database, or another data structure), ascertaining, etc.

[0366] Additionally, "determining" may be considered to be "determining" receiving (e.g., receiving information), transmitting (e.g., sending information), input, output, accessing (e.g., accessing data in memory), etc.

[0367] Furthermore, "determination" may be considered to be "determining" resolving, selecting, choosing, establishing, comparing, etc. In other words, "determination" may be considered to be "determining" some kind of action. In the present disclosure, "determination" may be read interchangeably with the above-mentioned actions.

[0368] Furthermore, in this disclosure, "determine / determining" may be interchangeably read as "assume / assuming," "expect / expecting," "consider / considering," etc. Furthermore, in this disclosure, "does not expect to do..." may be interchangeably read as "assumes not to do...."

[0369] In the present disclosure, "expect" may be interchangeably read as "be expected." For example, "expect(s) ..." ("..." may be expressed, for example, as a that clause, a to-infinitive, etc.) may be interchangeably read as "be expected ...." "does not expect ..." may be interchangeably read as "be not expected ...." Furthermore, "An apparatus A is not expected ..." may be interchangeably read as "an apparatus B other than apparatus A does not expect ... from apparatus A" (e.g., if apparatus A is a UE, apparatus B may be a base station).

[0370] The "maximum transmit power" in this disclosure may mean the maximum value of transmit power, the nominal UE maximum transmit power, or the rated UE maximum transmit power.

[0371] As used in this disclosure, the terms "connected," "coupled," or any variation thereof, refer to any direct or indirect connection or coupling between two or more elements, and may include the presence of one or more intermediate elements between two elements that are "connected" or "coupled" to each other. The coupling or connection between elements may be physical, logical, or a combination thereof. For example, "connected" may be read as "access."

[0372] In this disclosure, when two elements are connected, they may be considered to be "connected" or "coupled" to one another using one or more wires, cables, printed electrical connections, etc., as well as using electromagnetic energy having wavelengths in the radio frequency range, microwave range, light (both visible and invisible) range, etc., as some non-limiting and non-exhaustive examples.

[0373] In the present disclosure, the term "A and B are different" may mean "A and B are different from each other." The term may also mean "A and B are each different from C." Terms such as "separate" and "coupled" may also be interpreted in the same way as "different."

[0374] When the terms "include," "including," and variations thereof are used in this disclosure, these terms are intended to be inclusive, similar to the term "comprising." Furthermore, when the term "or" is used in this disclosure, it is not intended to be an exclusive or.

[0375] In this disclosure, where articles are added by translation, such as a, an, and the in English, the disclosure may include that the nouns following these articles are in the plural form.

[0376] In the present disclosure, terms such as "less than or equal to," "less than," "greater than," "more than," "equal to," etc. may be interchangeable. Furthermore, in the present disclosure, terms meaning "good," "bad," "big," "small," "high," "low," "fast," "slow," "wide," "narrow," etc. may be interchangeable, not limited to the positive, comparative, and superlative. Furthermore, in the present disclosure, terms meaning "good," "bad," "big," "small," "high," "low," "fast," "slow," "wide," "narrow," etc. may be interchangeable, not limited to the positive, comparative, and superlative, as expressions with "i-th" (i is an arbitrary integer) attached (for example, "highest" may be interchangeable with "i-th highest").

[0377] In this disclosure, the terms "of," "for," "regarding," "related to," "associated with," etc. may be read interchangeably.

[0378] In the present disclosure, terms such as "when A, B," "if A, (then) B," "B upon A," "B in response to A," "B based on A," "B during / while A," "B before A," "B at (the same time as) / on A," "B after A," "B since A," and "B until A" may be interchangeable. Note that A, B, and the like herein may be replaced with appropriate expressions such as nouns, gerunds, and regular sentences, depending on the context. Note that the time difference between A and B may be approximately zero (immediately after or immediately before). A time offset may also be applied to the time at which A occurs. For example, "A" may be interchangeable with "before / after a time offset at which A occurs." The time offset (eg, one or more symbols / slots) may be predefined or may be specified by the UE based on signaled information.

[0379] In the present disclosure, timing, time, duration, time instance, any time unit (e.g., slot, subslot, symbol, subframe), period, occasion, resource, etc. may be read interchangeably.

[0380] Although the invention according to the present disclosure has been described in detail above, it is clear to those skilled in the art that the invention according to the present disclosure is not limited to the embodiments described in the present disclosure. The description of the present disclosure is for illustrative purposes only and does not impose any limiting meaning on the invention according to the present disclosure.

Claims

1. A terminal having: a control unit that, when multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, determines a specific PUCCH resource to which multiple uplink control information (UCI) of the multiple PUCCHs is mapped for each transmission / reception point or panel; and a transmission unit that transmits the multiple UCI in the same time domain using the specific PUCCH resource determined for each transmission / reception point or each panel, for the different transmission / reception points or using the different panels.

2. The terminal according to claim 1, wherein the control unit determines the specific PUCCH resource from PUCCH resources other than the plurality of PUCCHs.

3. The terminal according to claim 1, wherein the control unit determines the specific PUCCH resource based on an ordering based on a period and a starting symbol of each of the plurality of PUCCHs.

4. The terminal according to claim 1, wherein the control unit controls mapping of a plurality of pieces of channel state information in the specific PUCCH resource determined for each of the transmission / reception points or each of the panels.

5. A wireless communication method for a terminal, comprising: when multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, a step of determining, for each transmission / reception point or panel, a specific PUCCH resource to which multiple uplink control information (UCI) of the multiple PUCCHs is mapped; and a step of transmitting, for the different transmission / reception points or using the different panels, the multiple UCIs in the same time domain using the specific PUCCH resource determined for each transmission / reception point or panel.

6. A base station having: a control unit that, when multiple physical uplink control channels (PUCCHs) associated with different transmission / reception points or different panels overlap in the time domain, determines specific PUCCH resources to which multiple uplink control information (UCI) of the multiple PUCCHs are mapped, which are determined for each transmission / reception point or for each panel; and a receiving unit that receives the multiple UCI in the same time domain, transmitted using the specific PUCCH resources determined for each transmission / reception point or for each panel, for the different transmission / reception points or using the different panels.

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